示例#1
0
class Tracktor:
    def __init__(self, tracktor_config):
        self.tracktor_config = tracktor_config
        with open(tracktor_config, 'r') as f:
            self.tracktor = yaml.load(f)['tracktor']
            self.reid = self.tracktor['reid']

        # Set up seed 
        torch.manual_seed(self.tracktor['seed'])
        torch.cuda.manual_seed(self.tracktor['seed'])
        np.random.seed(self.tracktor['seed'])
        torch.backends.cudnn.deterministic = True

        # Output directory
        self.output_dir = osp.join(get_output_dir(self.tracktor['module_name']), self.tracktor['name'])
        if not osp.exists(self.output_dir):
            os.makedirs(self.output_dir)

        # object detection
        self.obj_detect = FRCNN_FPN(num_classes=2)
        self.obj_detect.load_state_dict(torch.load(self.tracktor['obj_detect_model'],
                                   map_location=lambda storage, loc: storage))

        self.obj_detect.eval()
        self.obj_detect.cuda()

        # reid
        self.reid_network = resnet50(pretrained=False, **self.reid['cnn'])
        self.reid_network.load_state_dict(torch.load(self.tracktor['reid_weights'],
                                     map_location=lambda storage, loc: storage))
        self.reid_network.eval()
        self.reid_network.cuda()

        self.tracker = Tracker(self.obj_detect, self.reid_network, self.tracktor['tracker'])
        self.transforms = ToTensor()
        self.tracker.reset()

    def run(self, image):
        image = Image.fromarray(image[..., ::-1])
        image = self.transforms(image)[None, ...]

        blob = {"dets" : torch.Tensor([]), "img" : image}
        self.tracker.step(blob)

    def get_results(self):
        return self.tracker.get_results()

    def write_predictions(self, output_dir=None):
        if output_dir is None:
            output_dir = self.output_dir
        results = self.get_results()
        if self.tracktor['interpolate']:
            results = interpolate(results)

        print(f"Writing predictions to: {output_dir}")
        write_results(results, output_dir)
示例#2
0
def tracker_obj(base_dir):
    tracktor = yaml.safe_load(
        open(f'{base_dir}/experiments/cfgs/tracktor.yaml').read())['tracktor']
    reid = yaml.safe_load(
        open(f"{base_dir}/{tracktor['reid_config']}"))['reid']
    # set all seeds

    output_dir = osp.join(get_output_dir(tracktor['module_name']),
                          tracktor['name'])

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(f"{base_dir}/{tracktor['obj_detect_model']}",
                   map_location=lambda storage, loc: storage))

    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(
        torch.load(f"{base_dir}/{tracktor['reid_weights']}",
                   map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'],
                                tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    return tracker
示例#3
0
def main(module_name, name, seed, obj_detect_models, reid_models, tracker,
         oracle, dataset, load_results, frame_range, interpolate, write_images,
         _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(seed)
    torch.cuda.manual_seed(seed)
    np.random.seed(seed)
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(module_name), name)
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(copy.deepcopy(_config), outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector(s).")

    obj_detects = []
    for obj_detect_model in obj_detect_models:
        obj_detect = FRCNN_FPN(num_classes=2)
        obj_detect.load_state_dict(
            torch.load(obj_detect_model,
                       map_location=lambda storage, loc: storage))
        obj_detects.append(obj_detect)

        obj_detect.eval()
        if torch.cuda.is_available():
            obj_detect.cuda()

    # reid
    _log.info("Initializing reID network(s).")

    reid_networks = []
    for reid_model in reid_models:
        reid_cfg = os.path.join(os.path.dirname(reid_model),
                                'sacred_config.yaml')
        reid_cfg = yaml.safe_load(open(reid_cfg))

        reid_network = ReIDNetwork_resnet50(pretrained=False,
                                            **reid_cfg['model_args'])
        reid_network.load_state_dict(
            torch.load(reid_model, map_location=lambda storage, loc: storage))
        reid_network.eval()
        if torch.cuda.is_available():
            reid_network.cuda()

        reid_networks.append(reid_network)

    # tracktor
    if oracle is not None:
        tracker = OracleTracker(obj_detect, reid_network, tracker, oracle)
    else:
        tracker = Tracker(obj_detect, reid_network, tracker)

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(dataset)

    for seq, obj_detect, reid_network in zip(dataset, obj_detects,
                                             reid_networks):
        tracker.obj_detect = obj_detect
        tracker.reid_network = reid_network
        tracker.reset()

        _log.info(f"Tracking: {seq}")

        start_frame = int(frame_range['start'] * len(seq))
        end_frame = int(frame_range['end'] * len(seq))

        seq_loader = DataLoader(
            torch.utils.data.Subset(seq, range(start_frame, end_frame)))
        num_frames += len(seq_loader)

        results = {}
        if load_results:
            results = seq.load_results(output_dir)
        if not results:
            start = time.time()

            for frame_data in tqdm(seq_loader):
                with torch.no_grad():
                    tracker.step(frame_data)

            results = tracker.get_results()

            time_total += time.time() - start

            _log.info(f"Tracks found: {len(results)}")
            _log.info(f"Runtime for {seq}: {time.time() - start :.2f} s.")

            if interpolate:
                results = interpolate_tracks(results)

            _log.info(f"Writing predictions to: {output_dir}")
            seq.write_results(results, output_dir)

        if seq.no_gt:
            _log.info("No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq_loader))

        if write_images:
            plot_sequence(results, seq,
                          osp.join(output_dir, str(dataset), str(seq)),
                          write_images)

    if time_total:
        _log.info(
            f"Tracking runtime for all sequences (without evaluation or image writing): "
            f"{time_total:.2f} s for {num_frames} frames ({num_frames / time_total:.2f} Hz)"
        )
    if mot_accums:
        _log.info("Evaluation:")
        evaluate_mot_accums(mot_accums,
                            [str(s) for s in dataset if not s.no_gt],
                            generate_overall=True)
示例#4
0
def main(tracktor, reid, _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']),
                          tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))

    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(
        torch.load(tracktor['reid_weights'],
                   map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # motion network
    motion_network = None
    if tracktor['tracker']['motion_model_enabled'] and not tracktor['motion'][
            'use_cva_model']:
        motion_network = eval(
            tracktor['motion']['model'])(**tracktor['motion']['model_args'])
        motion_network.load_state_dict(
            torch.load(tracktor['motion']['network_weights'])['model'])
        motion_network.eval().cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'],
                                tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, motion_network,
                          tracktor['tracker'], tracktor['motion'], 2)

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'])
    for seq in dataset:
        tracker.reset()
        _log.info(f"Tracking: {seq}")
        data_loader = DataLoader(seq, batch_size=1, shuffle=False)

        start = time.time()
        all_mm_times = []
        all_warp_times = []
        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(
                    seq) * tracktor['frame_split'][1]:
                with torch.no_grad():
                    mm_time, warp_time = tracker.step(frame)
                    if mm_time is not None:
                        all_mm_times.append(mm_time)
                    if warp_time is not None:
                        all_warp_times.append(warp_time)
                num_frames += 1
        results = tracker.get_results()

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")
        _log.info(
            f"Average FPS for {seq}: {len(data_loader) / (time.time() - start) :.3f}"
        )
        _log.info(
            f"Average MM time for {seq}: {float(np.array(all_mm_times).mean()) :.3f} s"
        )
        if all_warp_times:
            _log.info(
                f"Average warp time for {seq}: {float(np.array(all_warp_times).mean()) :.3f} s"
            )

        if tracktor['interpolate']:
            results = interpolate(results)

        if 'semi_online' in tracktor and tracktor['semi_online']:
            for i, track in results.items():
                for frame in sorted(track, reverse=True):
                    if track[frame][5] == 0:
                        break
                    del track[frame]

        if tracktor['write_images']:
            plot_sequence(results, seq,
                          osp.join(output_dir, tracktor['dataset'], str(seq)),
                          tracktor['tracker']['plot_mm'])

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")
        seq.write_results(results, output_dir)

    _log.info(
        f"Tracking runtime for all sequences (without evaluation or image writing): "
        f"{time_total:.2f} s for {num_frames} frames ({num_frames / time_total:.2f} Hz)"
    )
    if mot_accums:
        evaluate_mot_accums(mot_accums,
                            [str(s) for s in dataset if not s.no_gt],
                            generate_overall=True)
示例#5
0
def main(tracktor, reid, _config, _log, _run):
    target = Target()
    targetpath = target.Folder()
    targetname = target.TargetName()

    vottpath = target.GetVottPath()
    vottfile = target.GetVottContent()
    dictid, timelist = target.GetTagTime(vottfile)
    print(f"{len(timelist)} frames were tagged")

    timedict = target.ExtractByTimeList(timelist)
    bbdict = target.GetbbWithTime(vottfile)

    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']),
                          tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))

    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(
        torch.load(tracktor['reid_weights'],
                   map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # tracktor
    print("Tracktor初始化完成")
    tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'])

    for seq in dataset:
        tracker.reset()

        start = time.time()

        _log.info(f"Tracking: {seq}")

        data_loader = DataLoader(seq, batch_size=1, shuffle=False)
        print(f"{seq}加載完成, tracking開始")
        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(
                    seq) * tracktor['frame_split'][1]:
                id = tracker.step(frame, bbdict[timedict["%06d" % num_frames]])
                target.WriteID2asset(id, dictid[timedict["%06d" % num_frames]])
                num_frames += 1
        results = tracker.get_results()
        ids = list(results.keys())
        target.WriteID2vott(ids, vottfile=vottfile)

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")

        target.CleanImg()

        if tracktor['interpolate']:
            results = interpolate(results)

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")
        seq.write_results(results, output_dir)

        if tracktor['write_images']:
            plot_sequence(results, seq,
                          osp.join(output_dir, tracktor['dataset'], str(seq)))

        if tracktor['write_videos']:
            plot_sequence_video(
                results, seq,
                osp.join(output_dir, tracktor['dataset'], str(seq)))

    _log.info(
        f"Tracking runtime for all sequences (without evaluation or image writing): "
        f"{time_total:.1f} s ({num_frames / time_total:.1f} Hz)")
    if mot_accums:
        evaluate_mot_accums(mot_accums,
                            [str(s) for s in dataset if not s.no_gt],
                            generate_overall=True)
示例#6
0
    def __init__(
        self,
        ckpt_path,
        frcnn_weights_path,
        reid_weights_path,
        tracking_cfg_path,
        preprocessing_cfg_path,
        use_gt,
        pre_cnn,
        pre_track,
    ):
        self.name = "MPNTracker"
        self.use_gt = use_gt

        if not self.use_gt:
            with open(tracking_cfg_path) as config_file:
                config = yaml.load(config_file)

            with open(preprocessing_cfg_path) as config_file:
                pre_config = yaml.load(config_file)
                frcnn_prepr_params = pre_config["frcnn_prepr_params"]
                tracktor_params = pre_config["tracktor_params"]

            CustomMOTNeuralSolver.reid_weights_path = reid_weights_path

            # preprocessor
            self.pre_track = pre_track
            if self.pre_track == "Tracktor" or self.pre_track == "FRCNN":
                obj_detect = FRCNN_FPN(num_classes=2)

                obj_detect.load_state_dict(
                    torch.load(
                        frcnn_weights_path,
                        map_location=lambda storage, loc: storage,
                    ))
                obj_detect.eval()
                obj_detect.cuda()

                if self.pre_track == "Tracktor":
                    self.prepr_params = tracktor_params
                    make_deterministic(self.prepr_params["seed"])

                    self.preprocessor = Tracker(obj_detect, None,
                                                self.prepr_params["tracker"])
                elif self.pre_track == "FRCNN":
                    self.prepr_params = frcnn_prepr_params
                    make_deterministic(self.prepr_params["seed"])

                    self.preprocessor = FRCNNPreprocessor(
                        obj_detect, self.prepr_params)
                self.transforms = ToTensor()

            # Load model from checkpoint and update config entries that may vary from the ones used in training
            self.model = CustomMOTNeuralSolver.load_from_checkpoint(
                checkpoint_path=ckpt_path)
            self.model.cnn_model.eval()
            self.model.hparams.update({
                "eval_params": config["eval_params"],
                "data_splits": config["data_splits"],
            })
            self.model.hparams["dataset_params"][
                "precomputed_embeddings"] = False
            self.model.hparams["dataset_params"]["img_batch_size"] = 2500

            self.pre_cnn = pre_cnn
            if self.pre_cnn:
                self.extract_transforms = Compose((
                    Resize(self.model.hparams["dataset_params"]["img_size"]),
                    ToTensor(),
                    Normalize(mean=[0.485, 0.456, 0.406],
                              std=[0.229, 0.224, 0.225]),
                ))
示例#7
0
def main(tracktor, reid, _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']),
                          tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))

    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(
        torch.load(tracktor['reid_weights'],
                   map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'],
                                tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'])

    for seq in dataset:

        tracker.reset()

        start = time.time()

        _log.info(f"Tracking: {seq}")

        data_loader = DataLoader(seq, batch_size=1, shuffle=False)
        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(
                    seq) * tracktor['frame_split'][1]:
                tracker.step(frame)
                num_frames += 1
        results = tracker.get_results()

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")

        if tracktor['interpolate']:
            results = interpolate(results)

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")
        seq.write_results(results, output_dir)

        if tracktor['write_images']:
            plot_sequence(results, seq,
                          osp.join(output_dir, tracktor['dataset'], str(seq)))

            img_array = []
            dir = osp.join(output_dir, tracktor['dataset'], str(seq), "*.jpg")
            files = glob.glob(dir)
            sorted_files = natsorted(files)

            for filename in sorted_files:
                img = cv2.imread(filename)
                height, width, layers = img.shape
                size = (width, height)
                img_array.append(img)

            out = cv2.VideoWriter(
                osp.join(output_dir, tracktor['dataset'],
                         str(seq), "result_video.avi"),
                cv2.VideoWriter_fourcc(*'DIVX'), 10, size)

            for i in range(len(img_array)):
                out.write(img_array[i])
            out.release()

    _log.info(
        f"Tracking runtime for all sequences (without evaluation or image writing): "
        f"{time_total:.1f} s ({num_frames / time_total:.1f} Hz)")
    if mot_accums:
        evaluate_mot_accums(mot_accums,
                            [str(s) for s in dataset if not s.no_gt],
                            generate_overall=True)
def main(tracktor, reid, _config, _log, _run):

    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']),
                          tracktor['name'], tracktor['output_subdir'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2).to(device)
    obj_detect.load_state_dict(
        torch.load(_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))

    obj_detect.eval()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn']).to(device)
    reid_network.load_state_dict(
        torch.load(tracktor['reid_weights'],
                   map_location=lambda storage, loc: storage))
    reid_network.eval()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'],
                                tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'])

    for seq in dataset:

        tracker.reset()

        start = time.time()

        _log.info(f"Tracking: {seq}")

        data_loader = DataLoader(seq, batch_size=1, shuffle=False)
        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(
                    seq) * tracktor['frame_split'][1]:
                tracker.step(frame, i)
                num_frames += 1

        results = tracker.get_results()

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")

        if tracktor['interpolate']:
            results = interpolate(results)

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")

        seq.write_results(results, output_dir)

        if tracktor['write_images']:
            plot_sequence(results, seq,
                          osp.join(output_dir, tracktor['dataset'], str(seq)))

    _log.info(
        f"Tracking runtime for all sequences (without evaluation or image writing): "
        f"{time_total:.1f} s ({num_frames / time_total:.1f} Hz)")

    if mot_accums:
        summary = evaluate_mot_accums(mot_accums,
                                      [str(s) for s in dataset if not s.no_gt],
                                      generate_overall=True)
        summary.to_pickle(
            "output/finetuning_results/results_{}_{}_{}_{}_{}.pkl".format(
                tracktor['output_subdir'],
                tracktor['tracker']['finetuning']['max_displacement'],
                tracktor['tracker']['finetuning']['batch_size'],
                tracktor['tracker']['finetuning']['learning_rate'],
                tracktor['tracker']['finetuning']['iterations']))
示例#9
0
def test_motion_model(val_loader, tracker_config, motion_model):
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(tracker_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    reid_network = resnet50(pretrained=False, output_dim=128)
    reid_network.load_state_dict(
        torch.load(tracker_config['tracktor']['reid_weights'],
                   map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    pred_loss_func = nn.SmoothL1Loss()

    loss_iters = []
    low_vis_loss_sum = 0.0
    low_vis_num = 0
    high_vis_loss_sum = 0.0
    high_vis_num = 0
    total_iters = len(val_loader)
    n_iters = 0

    with torch.no_grad():
        for data in val_loader:
            n_iters += 1

            early_reid = get_batch_mean_early_reid(reid_network,
                                                   data['early_reid_patches'])
            curr_reid = reid_network(data['curr_reid_patch'].cuda())
            conv_features, repr_features = get_features(
                obj_detect, data['curr_img'], data['curr_gt_app'])

            prev_loc = data['prev_gt_warped'].cuda()
            curr_loc = data['curr_gt_warped'].cuda()
            label_loc = data['label_gt'].cuda()
            curr_vis = data['curr_vis'].cuda()

            pred_loc_wh, vis = motion_model(early_reid, curr_reid,
                                            conv_features, repr_features,
                                            prev_loc, curr_loc)
            label_loc_wh = two_p_to_wh(label_loc)

            pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
            loss_iters.append(pred_loss.item())

            low_vis_ind = curr_vis < 0.3
            if low_vis_ind.any():
                low_vis_pred_loss = pred_loss_func(pred_loc_wh[low_vis_ind],
                                                   label_loc_wh[low_vis_ind])
                low_vis_loss_sum += (low_vis_pred_loss *
                                     torch.sum(low_vis_ind)).item()
                low_vis_num += torch.sum(low_vis_ind).item()

            high_vis_ind = curr_vis > 0.7
            if high_vis_ind.any():
                high_vis_pred_loss = pred_loss_func(pred_loc_wh[high_vis_ind],
                                                    label_loc_wh[high_vis_ind])
                high_vis_loss_sum += (high_vis_pred_loss *
                                      torch.sum(high_vis_ind)).item()
                high_vis_num += torch.sum(high_vis_ind).item()

            if n_iters % 50 == 0:
                print('Iter %5d/%5d finished.' % (n_iters, total_iters),
                      flush=True)

    mean_loss = np.mean(loss_iters)
    mean_low_vis_loss = low_vis_loss_sum / low_vis_num
    mean_high_vis_loss = high_vis_loss_sum / high_vis_num

    print('All finished! Loss %.6f, low vis loss %.6f, high vis loss %.6f.' %
          (mean_loss, mean_low_vis_loss, mean_high_vis_loss))
示例#10
0
def main(tracktor, reid, _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']), tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(torch.load(_config['tracktor']['obj_detect_model'],
                               map_location=lambda storage, loc: storage))

    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(torch.load(tracktor['reid_weights'],
                                 map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'], tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    time_total = 0
    num_frames = 0
    mot_accums = []

    # Data transform
    normalize_mean=[0.485, 0.456, 0.406]
    normalize_std=[0.229, 0.224, 0.225]
    # dataset = Datasets(tracktor['dataset'])
    transforms = ToTensor()
    # transforms = Compose([ToTensor(), Normalize(normalize_mean,
    #                                             normalize_std)])

    tracker.reset()
    # tracker.public_detections=False

    start = time.time()

    _log.info(f"Tracking: video")

    # Load video and annotations
    cap = cv2.VideoCapture("/home/yc3390/camera_detection_demo/data/prid2011_videos/test_b_1min_1min.mp4")
    with open("/home/yc3390/camera_detection_demo/data/prid2011_videos/anno_b.pkl", 'rb') as f:
        gts = pk.load(f)

    det_file = "/data/yc3390/tracktor_output/output/tracktor/MOT17/Tracktor++/Video-result_ReID.txt"
    # with open("/data/yc3390/tracktor_output/output/tracktor/MOT17/Tracktor++/Video-result_ReID.pkl", 'rb') as f:
    #     dts = pk.load(f)

    #     for dt in dts:
    #         if len(dt['boxes'][0]):
    #             for i in range(len(dt['boxes'])):
    #                 dt['boxes'][i][-1] = -1
    offset = 25 * 60
    dets = {}
    for i in range(1, offset+1):
        dets[i] = []
    assert osp.exists(det_file)
    with open(det_file, "r") as inf:
        reader = csv.reader(inf, delimiter=',')
        for row in reader:
            x1 = float(row[2]) - 1
            y1 = float(row[3]) - 1
            # This -1 accounts for the width (width of 1 x1=x2)
            x2 = x1 + float(row[4]) - 1
            y2 = y1 + float(row[5]) - 1
            score = float(row[6])
            bb = np.array([x1,y1,x2,y2], dtype=np.float32)
            dets[int(float(row[0]))].append(bb)
    frame_count = offset

    while True:
        ret, image = cap.read()
        if not ret:
            break
        # BGR to RGB
        image = Image.fromarray(image[..., ::-1])
        image = transforms(image)[None, ...]

        # Detection
        # if frame_count in gts.keys():
        #     frames = 
        blob = {"dets" : torch.Tensor([dets[i]]), "img" : image}
        tracker.step(blob)
        frame_count += 1
        print("Finished ", frame_count, output_dir, image.shape)
        
    results = tracker.get_results()

    time_total += time.time() - start

    _log.info(f"Tracks found: {len(results)}")
    _log.info(f"Runtime for video: {time.time() - start :.1f} s.")

    if tracktor['interpolate']:
        results = interpolate(results)

    if True:
        _log.info(f"No GT data for evaluation available.")
    else:
        mot_accums.append(get_mot_accum(results, seq))

    _log.info(f"Writing predictions to: {output_dir}")
    write_results(results, output_dir)
示例#11
0
        box_head_features = obj_detect.roi_heads.box_head(box_features)

    return box_features.cpu(), box_head_features.cpu()


with open('experiments/cfgs/tracktor.yaml', 'r') as f:
    tracker_config = yaml.safe_load(f)

val_set = MOT17Vis('val', 0.8, 0.0, val_bbox_jitter=True)
val_loader = DataLoader(val_set, batch_size=1, shuffle=True, num_workers=2)

obj_detect = FRCNN_FPN(num_classes=2)
obj_detect.load_state_dict(
    torch.load(tracker_config['tracktor']['obj_detect_model'],
               map_location=lambda storage, loc: storage))
obj_detect.eval()
obj_detect.cuda()

vis_model = VisEst(conv_only=False)
vis_model.load_state_dict(
    torch.load(
        'output/tracktor/motion/vis_valjit_flip_fullfeat_l21e-4/vis_model_epoch_94.pth'
    ))
vis_model.eval()
vis_model.cuda()

for data in val_loader:
    conv_features, repr_features = get_features(obj_detect, data['img'],
                                                data['gt'])
    conv_features = conv_features.cuda()
    repr_features = repr_features.cuda()
示例#12
0
def main(dataset_names, prepr_w_tracktor, frcnn_prepr_params, tracktor_params,
         frcnn_weights, _config, _log, _run):
    sacred.commands.print_config(_run)

    if prepr_w_tracktor:
        prepr_params = tracktor_params

    else:
        prepr_params = frcnn_prepr_params

    make_deterministic(prepr_params['seed'])
    MOV_CAMERA_DICT = {**MOT15_MOV_CAMERA_DICT, **MOT17_MOV_CAMERA_DICT}

    # object detection
    _log.info("Initializing object detector.")
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(osp.join(OUTPUT_PATH, frcnn_weights),
                   map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    if prepr_w_tracktor:
        preprocessor = Tracker(obj_detect, None, prepr_params['tracker'])
    else:
        preprocessor = FRCNNPreprocessor(obj_detect, prepr_params)

    _log.info(
        f"Starting  preprocessing of datasets {dataset_names} with {'Tracktor' if prepr_w_tracktor else 'FRCNN'} \n"
    )

    for dataset_name in dataset_names:
        dataset = Datasets(dataset_name)
        _log.info(
            f"Preprocessing {len(dataset)} sequences from dataset {dataset_name} \n"
        )

        time_total = 0
        num_frames = 0
        for seq in dataset:
            preprocessor.reset()

            start = time.time()
            _log.info(f"Preprocessing : {seq}")
            if prepr_w_tracktor:
                preprocessor.do_align = tracktor_params['tracker'][
                    'do_align'] and (MOV_CAMERA_DICT[str(seq)])

            data_loader = DataLoader(seq,
                                     batch_size=1,
                                     shuffle=False,
                                     num_workers=8,
                                     pin_memory=True)
            for i, frame in enumerate(tqdm(data_loader)):
                with torch.no_grad():
                    preprocessor.step(frame)
                num_frames += 1

            time_total += time.time() - start
            _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")

            output_file_path = osp.join(seq.seq_path, 'det',
                                        prepr_params['det_file_name'])
            if prepr_w_tracktor:
                results = preprocessor.get_results()
                seq.write_results(results, output_file_path)
            else:
                _log.info(f"Writing predictions in: {output_file_path}")
                preprocessor.save_results(output_file_path)

        _log.info(
            f"Tracking runtime for all sequences (without evaluation or image writing): "
            f"{time_total:.1f} s ({num_frames / time_total:.1f} Hz)")
示例#13
0
def main():
    args = parse_args()

    logging.basicConfig(level=logging.INFO,format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
    logging.root.setLevel(logging.INFO)

    is_cuda = torch.cuda.is_available()
    if is_cuda:
        LOG.info('-' * 50)
        LOG.info('Enabling CUDA')
        LOG.info('-' * 50)

    device = torch.device('cuda' if is_cuda else 'cpu')
    # sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    if is_cuda:
        torch.cuda.manual_seed(tracktor['seed'])
        torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']), tracktor['name'])

    if not osp.exists(output_dir):
        os.makedirs(output_dir)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    LOG.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect_state_dict = torch.load(args.detection_path, map_location=device)
    obj_detect.load_state_dict(obj_detect_state_dict)

    obj_detect.eval()
    if is_cuda:
        obj_detect.cuda()

    # LOG.info('Load detection model...')
    # obj_detect = load_object_detection_driver(args.detection_path)
    # LOG.info('Done.')

    # reid
    LOG.info("Initializing reidentification network.")
    reid_network = resnet50(pretrained=False, output_dim=128)
    reid_network.load_state_dict(torch.load(args.reid_path, map_location=device))
    reid_network.eval()
    if is_cuda:
        reid_network.cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'], tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    time_total = 0
    tracker.reset()

    start = time.time()
    vc = cv2.VideoCapture(args.source)

    frame_count = vc.get(cv2.CAP_PROP_FRAME_COUNT)
    video_output = args.output
    fourcc = cv2.VideoWriter_fourcc(*'avc1')
    width = int(vc.get(cv2.CAP_PROP_FRAME_WIDTH))
    height = int(vc.get(cv2.CAP_PROP_FRAME_HEIGHT))
    fps = vc.get(cv2.CAP_PROP_FPS)
    each_frame = args.every_frame
    writer = cv2.VideoWriter(video_output, fourcc, fps / each_frame, frameSize=(width, height))

    LOG.info(f"Tracking: {args.source}")
    frame_id = 0
    frame_num = 0
    results = {}
    try:
        while True:
            frame_num += 1
            if frame_num % each_frame == 0:
                ret, frame = vc.read()
                if not ret:
                    break
            else:
                vc.grab()
                continue

            frame_id += 1
            if frame_id % 50 == 0:
                LOG.info(f'Processing frame {frame_id}')

            if frame_count * tracktor['frame_split'][0] <= frame_id <= frame_count * tracktor['frame_split'][1]:
                rgb_frame = frame[:, :, ::-1]

                torch_frame = F.to_tensor(rgb_frame.copy())
                torch_frame = torch_frame.expand([1, *torch_frame.shape])
                if is_cuda:
                    torch_frame = torch_frame.cuda()

                torch_blob = {
                    'img': torch_frame
                }
                tracker.step(torch_blob, frame)

                # __import__('ipdb').set_trace()
                results = tracker.results
                output = draw_boxes(frame, frame_id - 1, results=results)
                writer.write(output)
    except KeyboardInterrupt:
        LOG.info('Stopping.')

    writer.release()

    time_total += time.time() - start

    LOG.info(f"Tracks found: {len(results)}")
    LOG.info(f"Runtime for {args.source}: {time.time() - start :.1f} s.")

    if tracktor['interpolate']:
        results = utils.interpolate(results)

    # if tracktor['write_images']:
    #     utils.plot_sequence(results, seq, osp.join(output_dir, args.source))

    LOG.info(f"Tracking runtime for all sequences (without evaluation or image writing): "
             f"{time_total:.1f} s ({frame_id / time_total:.1f} Hz)")
def main(tracktor, reid, _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']),
                          tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    _log.info("Initializing object detector.")

    # object detection
    obj_detect = FRCNN_FPN(num_classes=2, correlation_head=CorrelationHead())
    obj_detect_model = torch.load(_config['tracktor']['obj_detect_model'],
                                  map_location=lambda storage, loc: storage)
    correlation_weights = torch.load(
        _config['tracktor']['correlation_weights'],
        map_location=lambda storage, loc: storage)
    for k in correlation_weights:
        obj_detect_model.update(
            {"correlation_head." + k: correlation_weights[k]})
    obj_detect.load_state_dict(obj_detect_model)
    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(
        torch.load(tracktor['reid_weights'],
                   map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'],
                                tracktor['oracle'])
    else:
        tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'])
    for seq in dataset:
        tracker.reset()

        start = time.time()

        _log.info(f"Tracking: {seq}")

        data_loader = DataLoader(seq, batch_size=1, shuffle=False)
        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(
                    seq) * tracktor['frame_split'][1]:
                with torch.no_grad():
                    tracker.step(frame)
                num_frames += 1
        results = tracker.get_results()

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.2f} s.")

        if tracktor['interpolate']:
            results = interpolate(results)

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")
        seq.write_results(results, output_dir)

        if tracktor['write_images']:
            plot_sequence(results, seq,
                          osp.join(output_dir, tracktor['dataset'], str(seq)))

        score_killed_tracks = tracker.get_score_killed_tracks()
        _log.info(f"Score Killed Tracks: ({len(score_killed_tracks)})")
        for kill in score_killed_tracks:
            _log.info(
                f"Track [ {kill['id']:3d} ] killed in frame [ {kill['frame']:3d} ]"
            )

        nms_killed_tracks = tracker.get_nms_killed_tracks()
        _log.info(f"NMS Killed Tracks ({len(nms_killed_tracks)}):")
        for kill in nms_killed_tracks:
            _log.info(
                f"Track [ {kill['id']:3d} ] killed in frame [ {kill['frame']:3d} ]"
            )

    _log.info(
        f"Tracking runtime for all sequences (without evaluation or image writing): "
        f"{time_total:.2f} s for {num_frames} frames ({num_frames / time_total:.2f} Hz)"
    )
    if mot_accums:
        evaluate_mot_accums(mot_accums,
                            [str(s) for s in dataset if not s.no_gt],
                            generate_overall=True)
def train_main(use_ecc, use_modulator, use_bn, use_residual, use_reid_distance, no_visrepr, vis_loss_ratio, no_vis_loss, motion_noise,
               lr, weight_decay, batch_size, output_dir, ex_name):
    random.seed(12345)
    torch.manual_seed(12345)
    torch.cuda.manual_seed(12345)
    np.random.seed(12345)
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(output_dir, ex_name)
    log_file = osp.join(output_dir, 'epoch_log.txt')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)

    with open(log_file, 'w') as f:
        f.write('[Experiment name]%s\n\n' % ex_name)
        f.write('[Parameters]\n')
        f.write('use_ecc=%r\nuse_modulator=%r\nuse_bn=%r\nuse_residual=%r\nuse_reid_distance=%r\nno_visrepr=%r\nvis_loss_ratio=%f\nno_vis_loss=%r\nmotion_noise=%f\nlr=%f\nweight_decay=%f\nbatch_size=%d\n\n' % 
            (use_ecc, use_modulator, use_bn, use_residual, use_reid_distance, no_visrepr, vis_loss_ratio, no_vis_loss, motion_noise, lr, weight_decay, batch_size))
        f.write('[Loss log]\n')

    with open('experiments/cfgs/tracktor.yaml', 'r') as f:
        tracker_config = yaml.safe_load(f)

    #################
    # Load Datasets #
    #################
    train_set = MOT17ClipsWrapper('train', 0.8, 0.0, clip_len=10, motion_noise=motion_noise, train_jitter=True, ecc=True, tracker_cfg=tracker_config)
    train_loader = DataLoader(train_set, batch_size=1, shuffle=True, num_workers=1, collate_fn=clips_wrapper_collate)
    val_set = MOT17ClipsWrapper('val', 0.8, 0.0, clip_len=10, motion_noise=motion_noise, train_jitter=True, ecc=True, tracker_cfg=tracker_config)
    val_loader = DataLoader(val_set, batch_size=1, shuffle=False, num_workers=1, collate_fn=clips_wrapper_collate)

    with open(osp.join(cfg.ROOT_DIR, 'output', 'precomputed_ecc_matrices_3.pkl'), 'rb') as f:
        ecc_dict = pickle.load(f)

    train_set.load_precomputed_ecc_warp_matrices(ecc_dict)
    val_set.load_precomputed_ecc_warp_matrices(ecc_dict)

    ########################
    # Initializing Modules #
    ########################
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(torch.load(tracker_config['tracktor']['obj_detect_model'],
                               map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    motion_model = MotionModelReID(use_modulator=use_modulator, use_bn=use_bn, use_residual=use_residual, 
                                   use_reid_distance=use_reid_distance, no_visrepr=no_visrepr)

    motion_model.train()
    motion_model.cuda()

    reid_network = resnet50(pretrained=False, output_dim=128)
    reid_network.load_state_dict(torch.load(tracker_config['tracktor']['reid_weights'],
                                 map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()


    optimizer = torch.optim.Adam(motion_model.parameters(), lr=lr, weight_decay=weight_decay)
    pred_loss_func = nn.SmoothL1Loss()
    vis_loss_func = nn.MSELoss()

    #######################
    # Training Parameters #
    #######################

    # usage: historical_reid, curr_reid, roi_pool_output, representation_feature, prev_loc, curr_loc, curr_vis, label_loc
    batch_manager = BatchForgerManager([
        BatchForgerList(batch_size),
        BatchForger(batch_size, (motion_model.reid_dim,)),
        BatchForger(batch_size, (motion_model.roi_output_dim, motion_model.pool_size, motion_model.pool_size)),
        BatchForger(batch_size, (motion_model.representation_dim,)),
        BatchForger(batch_size, (4,)),
        BatchForger(batch_size, (4,)),
        BatchForger(batch_size, ()),
        BatchForger(batch_size, (4,))
    ])

    max_epochs = 100
    log_freq = 25

    train_pred_loss_epochs = []
    train_vis_loss_epochs = []
    val_pred_loss_epochs = []
    val_vis_loss_epochs = []
    lowest_val_loss = 9999999.9
    lowest_val_loss_epoch = -1

    ############
    # Training #
    ############

    for epoch in range(max_epochs):
        n_iter = 0
        train_pred_loss_iters = []
        train_vis_loss_iters = []
        val_pred_loss_iters = []
        val_vis_loss_iters = []

        for data in train_loader:
            historical_reid = get_batch_reid_features(reid_network, data['imgs'], data['historical'])
            curr_reid = get_curr_reid_features(reid_network, data['imgs'], data['curr_frame_offset'], data['curr_gt_app'])
            conv_features, repr_features = get_features(obj_detect, data['imgs'], data['curr_frame_offset'], data['curr_gt_app'])
            prev_loc = (data['prev_gt_warped'] if use_ecc else data['prev_gt']).cuda()
            curr_loc = (data['curr_gt_warped'] if use_ecc else data['curr_gt']).cuda()
            curr_vis = data['curr_vis'].cuda()
            label_loc = data['label_gt'].cuda()

            batch_manager.feed((historical_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc, curr_vis, label_loc))

            while batch_manager.has_one_batch():
                n_iter += 1
                historical_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc, curr_vis, label_loc = \
                    batch_manager.dump()

                optimizer.zero_grad()

                pred_loc_wh, vis = motion_model(historical_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc)
                label_loc_wh = two_p_to_wh(label_loc)

                pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
                vis_loss = vis_loss_func(vis, curr_vis)
                if no_vis_loss:
                    loss = pred_loss
                else:
                    loss = pred_loss + vis_loss_ratio * vis_loss

                loss.backward()
                optimizer.step()

                train_pred_loss_iters.append(pred_loss.item())
                train_vis_loss_iters.append(vis_loss.item())
                if n_iter % log_freq == 0:
                    print('[Train Iter %5d] train pred loss %.6f, vis loss %.6f ...' % 
                        (n_iter, np.mean(train_pred_loss_iters[n_iter-log_freq:n_iter]), 
                         np.mean(train_vis_loss_iters[n_iter-log_freq:n_iter])), flush=True)

        mean_train_pred_loss = np.mean(train_pred_loss_iters)
        mean_train_vis_loss = np.mean(train_vis_loss_iters)
        train_pred_loss_epochs.append(mean_train_pred_loss)
        train_vis_loss_epochs.append(mean_train_vis_loss)
        print('Train epoch %4d end.' % (epoch + 1))

        batch_manager.reset()
        motion_model.eval()

        with torch.no_grad():
            for data in val_loader:
                historical_reid = get_batch_reid_features(reid_network, data['imgs'], data['historical'])
                curr_reid = get_curr_reid_features(reid_network, data['imgs'], data['curr_frame_offset'], data['curr_gt_app'])
                conv_features, repr_features = get_features(obj_detect, data['imgs'], data['curr_frame_offset'], data['curr_gt_app'])
                prev_loc = (data['prev_gt_warped'] if use_ecc else data['prev_gt']).cuda()
                curr_loc = (data['curr_gt_warped'] if use_ecc else data['curr_gt']).cuda()
                curr_vis = data['curr_vis'].cuda()
                label_loc = data['label_gt'].cuda()

                batch_manager.feed((historical_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc, curr_vis, label_loc))

                while batch_manager.has_one_batch():
                    historical_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc, curr_vis, label_loc = \
                        batch_manager.dump()

                    pred_loc_wh, vis = motion_model(historical_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc)
                    label_loc_wh = two_p_to_wh(label_loc)

                    pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
                    vis_loss = vis_loss_func(vis, curr_vis)

                    val_pred_loss_iters.append(pred_loss.item())
                    val_vis_loss_iters.append(vis_loss.item())

        mean_val_pred_loss = np.mean(val_pred_loss_iters)
        mean_val_vis_loss = np.mean(val_vis_loss_iters)
        val_pred_loss_epochs.append(mean_val_pred_loss)
        val_vis_loss_epochs.append(mean_val_vis_loss)

        print('[Epoch %4d] train pred loss %.6f, vis loss %.6f; val pred loss %.6f, vis loss %.6f' % 
            (epoch+1, mean_train_pred_loss, mean_train_vis_loss, mean_val_pred_loss, mean_val_vis_loss), flush=True)
        with open(log_file, 'a') as f:
            f.write('Epoch %4d: train pred loss %.6f, vis loss %.6f; val pred loss %.6f, vis loss %.6f\n' % 
                (epoch+1, mean_train_pred_loss, mean_train_vis_loss, mean_val_pred_loss, mean_val_vis_loss))

        batch_manager.reset()
        motion_model.train()

        if mean_val_pred_loss < lowest_val_loss:
            lowest_val_loss, lowest_val_loss_epoch = mean_val_pred_loss, epoch + 1
            torch.save(motion_model.state_dict(), osp.join(output_dir, 'reid_motion_model_epoch_%d.pth'%(epoch+1)))
示例#16
0
def train_main(sgd, lr, weight_decay, batch_size, output_dir, ex_name):
    random.seed(12345)
    torch.manual_seed(12345)
    torch.cuda.manual_seed(12345)
    np.random.seed(12345)
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(output_dir, ex_name)
    log_file = osp.join(output_dir, 'epoch_log.txt')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)

    with open(log_file, 'w') as f:
        f.write('[Experiment name]%s\n\n' % ex_name)
        f.write('[Parameters]\n')
        f.write('lr=%f\nweight_decay=%f\nbatch_size=%d\n\n' % 
            (lr, weight_decay, batch_size))
        f.write('[Loss log]\n')

    with open('experiments/cfgs/tracktor.yaml', 'r') as f:
        tracker_config = yaml.safe_load(f)

    #################
    # Load Datasets #
    #################
    train_set = MOT17SimpleReIDWrapper('train', 0.8, 0.0, 1, train_random_sample=False, ecc=False)
    train_loader = DataLoader(train_set, batch_size=batch_size, shuffle=True, num_workers=2, collate_fn=simple_reid_wrapper_collate)
    val_set = MOT17SimpleReIDWrapper('val', 0.8, 0.0, 1, train_random_sample=False, ecc=False)
    val_loader = DataLoader(val_set, batch_size=batch_size, shuffle=False, num_workers=2, collate_fn=simple_reid_wrapper_collate)

    ########################
    # Initializing Modules #
    ########################
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(torch.load(tracker_config['tracktor']['obj_detect_model'],
                               map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    reid_network = resnet50(pretrained=False, output_dim=128)
    reid_network.load_state_dict(torch.load(tracker_config['tracktor']['reid_weights'],
                                 map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    vis_model = VisSimpleReID()
    
    vis_model.train()
    vis_model.cuda()

    if sgd:
        optimizer = torch.optim.SGD(vis_model.parameters(), lr=lr, weight_decay=weight_decay, momentum=0.9)
    else:
        optimizer = torch.optim.Adam(vis_model.parameters(), lr=lr, weight_decay=weight_decay)
    loss_func = nn.MSELoss()

    #######################
    # Training Parameters #
    #######################
    max_epochs = 100
    log_freq = 25

    lowest_val_loss = 9999999.9
    lowest_val_loss_epoch = -1

    ############
    # Training #
    ############
    for epoch in range(max_epochs):
        n_iter = 0
        new_lowest_flag = False
        train_loss_iters = []
        val_loss_iters = []

        for data in train_loader:
            with torch.no_grad():
                early_reid = get_batch_mean_early_reid(reid_network, data['early_reid_patches'])
                curr_reid = reid_network(data['curr_reid_patch'].cuda())
                conv_features, repr_features = get_features(obj_detect, data['curr_img'], data['curr_gt_app'])

            curr_vis = data['curr_vis'].cuda()
            
            n_iter += 1
            optimizer.zero_grad()
            vis = vis_model(early_reid, curr_reid, conv_features, repr_features)
            loss = loss_func(vis, curr_vis)

            loss.backward()
            optimizer.step()

            train_loss_iters.append(loss.item())
            if n_iter % log_freq == 0:
                print('[Train Iter %5d] train loss %.6f ...' % 
                    (n_iter, np.mean(train_loss_iters[n_iter-log_freq:n_iter])),
                    flush=True)

        mean_train_loss = np.mean(train_loss_iters)
        print('Train epoch %4d end.' % (epoch + 1))

        vis_model.eval()

        with torch.no_grad():
            for data in val_loader:
                early_reid = get_batch_mean_early_reid(reid_network, data['early_reid_patches'])
                curr_reid = reid_network(data['curr_reid_patch'].cuda())
                conv_features, repr_features = get_features(obj_detect, data['curr_img'], data['curr_gt_app'])

                curr_vis = data['curr_vis'].cuda()

                vis = vis_model(early_reid, curr_reid, conv_features, repr_features)
                loss = loss_func(vis, curr_vis)

                val_loss_iters.append(loss.item())

        mean_val_loss = np.mean(val_loss_iters)
        print('[Epoch %4d] train loss %.6f, val loss %.6f' % 
               (epoch+1, mean_train_loss, mean_val_loss))

        vis_model.train()

        if mean_val_loss < lowest_val_loss:
            lowest_val_loss, lowest_val_loss_epoch = mean_val_loss, epoch + 1
            new_lowest_flag = True
            torch.save(vis_model.state_dict(), osp.join(output_dir, 'vis_model_epoch_%d.pth'%(epoch+1)))

        with open(log_file, 'a') as f:
            f.write('[Epoch %4d] train loss %.6f, val loss %.6f %s\n' % 
                    (epoch+1, mean_train_loss, mean_val_loss, '*' if new_lowest_flag else ''))
示例#17
0
def test_tracktor_motion(val_loader, tracker_config, bbox_regression=True):
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(tracker_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    pred_loss_func = nn.SmoothL1Loss()

    loss_iters = []
    low_vis_loss_sum = 0.0
    low_vis_num = 0
    high_vis_loss_sum = 0.0
    high_vis_num = 0
    total_iters = len(val_loader)
    n_iters = 0

    print(total_iters)

    with torch.no_grad():
        for data in val_loader:
            n_iters += 1

            prev_loc = data['prev_gt_warped'].cuda()
            curr_loc = data['curr_gt_warped'].cuda()
            label_loc = data['label_gt'].cuda()
            curr_vis = data['curr_vis'].cuda()

            pred_loc = curr_loc.clone()

            last_motion = curr_loc - prev_loc
            pred_loc += last_motion

            if bbox_regression:
                obj_detect.load_image(data['label_img'][0])
                pred_loc, _ = obj_detect.predict_boxes(pred_loc)

            label_loc_wh = two_p_to_wh(label_loc)
            pred_loc_wh = two_p_to_wh(pred_loc)

            pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
            loss_iters.append(pred_loss.item())

            low_vis_ind = curr_vis < 0.3
            if low_vis_ind.any():
                low_vis_pred_loss = pred_loss_func(pred_loc_wh[low_vis_ind],
                                                   label_loc_wh[low_vis_ind])
                low_vis_loss_sum += (low_vis_pred_loss *
                                     torch.sum(low_vis_ind)).item()
                low_vis_num += torch.sum(low_vis_ind).item()

            high_vis_ind = curr_vis > 0.7
            if high_vis_ind.any():
                high_vis_pred_loss = pred_loss_func(pred_loc_wh[high_vis_ind],
                                                    label_loc_wh[high_vis_ind])
                high_vis_loss_sum += (high_vis_pred_loss *
                                      torch.sum(high_vis_ind)).item()
                high_vis_num += torch.sum(high_vis_ind).item()

            if n_iters % 500 == 0:
                print('Iter %5d/%5d finished.' % (n_iters, total_iters),
                      flush=True)

    mean_loss = np.mean(loss_iters)
    mean_low_vis_loss = low_vis_loss_sum / low_vis_num
    mean_high_vis_loss = high_vis_loss_sum / high_vis_num

    print('All finished! Loss %.6f, low vis loss %.6f, high vis loss %.6f.' %
          (mean_loss, mean_low_vis_loss, mean_high_vis_loss))
示例#18
0
def train_main(oracle_training, no_visrepr, max_previous_frame, use_ecc,
               use_modulator, use_bn, use_residual, vis_loss_ratio,
               no_vis_loss, lr, weight_decay, batch_size, output_dir,
               pretrain_vis_path, ex_name):
    random.seed(12345)
    torch.manual_seed(12345)
    torch.cuda.manual_seed(12345)
    np.random.seed(12345)
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(output_dir, ex_name)
    log_file = osp.join(output_dir, 'epoch_log.txt')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)

    with open(log_file, 'w') as f:
        f.write('[Experiment name]%s\n\n' % ex_name)
        f.write('[Parameters]\n')
        f.write(
            'oracle_training=%r\nno_visrepr=%r\nmax_previous_frame=%d\nuse_ecc=%r\nuse_modulator=%r\nuse_bn=%r\nuse_residual=%r\nvis_loss_ratio=%f\nno_vis_loss=%r\nlr=%f\nweight_decay=%f\nbatch_size=%d\n\n'
            % (oracle_training, no_visrepr, max_previous_frame, use_ecc,
               use_modulator, use_bn, use_residual, vis_loss_ratio,
               no_vis_loss, lr, weight_decay, batch_size))
        f.write('[Loss log]\n')

    with open('experiments/cfgs/tracktor.yaml', 'r') as f:
        tracker_config = yaml.safe_load(f)

    #################
    # Load Datasets #
    #################
    train_set = MOT17TracksWrapper('train',
                                   0.8,
                                   0.0,
                                   input_track_len=max_previous_frame + 1,
                                   max_sample_frame=max_previous_frame,
                                   get_data_mode='sample' +
                                   (',ecc' if use_ecc else ''),
                                   tracker_cfg=tracker_config)
    train_loader = DataLoader(train_set,
                              batch_size=batch_size,
                              shuffle=True,
                              num_workers=1,
                              collate_fn=tracks_wrapper_collate)
    val_set = MOT17TracksWrapper('val',
                                 0.8,
                                 0.1,
                                 input_track_len=max_previous_frame + 1,
                                 max_sample_frame=max_previous_frame,
                                 get_data_mode='sample' +
                                 (',ecc' if use_ecc else ''),
                                 tracker_cfg=tracker_config)
    val_loader = DataLoader(val_set,
                            batch_size=batch_size,
                            shuffle=False,
                            num_workers=1,
                            collate_fn=tracks_wrapper_collate)

    with open(
            osp.join(cfg.ROOT_DIR, 'output', 'precomputed_ecc_matrices_3.pkl'),
            'rb') as f:
        ecc_dict = pickle.load(f)

    train_set.load_precomputed_ecc_warp_matrices(ecc_dict)
    val_set.load_precomputed_ecc_warp_matrices(ecc_dict)

    ########################
    # Initializing Modules #
    ########################
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(tracker_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    if oracle_training:
        motion_model = VisOracleMotionModel(vis_conv_only=False,
                                            use_modulator=use_modulator)
    else:
        if no_visrepr:
            motion_model = MotionModelNoVisRepr(vis_conv_only=False,
                                                use_modulator=use_modulator,
                                                use_bn=use_bn)
        else:
            motion_model = MotionModelV2(vis_conv_only=False,
                                         use_modulator=use_modulator,
                                         use_bn=use_bn,
                                         use_residual=use_residual)
    # motion_model.load_vis_pretrained(pretrain_vis_path)

    motion_model.train()
    motion_model.cuda()

    optimizer = torch.optim.Adam(motion_model.parameters(),
                                 lr=lr,
                                 weight_decay=weight_decay)
    pred_loss_func = nn.SmoothL1Loss()
    vis_loss_func = nn.MSELoss()

    #######################
    # Training Parameters #
    #######################

    max_epochs = 100
    log_freq = 25

    train_pred_loss_epochs = []
    train_vis_loss_epochs = []
    val_pred_loss_epochs = []
    val_vis_loss_epochs = []
    lowest_val_loss = 9999999.9
    lowest_val_loss_epoch = -1

    ############
    # Training #
    ############

    for epoch in range(max_epochs):
        n_iter = 0
        train_pred_loss_iters = []
        train_vis_loss_iters = []
        val_pred_loss_iters = []
        val_vis_loss_iters = []

        for data, label in train_loader:
            # jitter bboxs for getting roi features
            im_w = torch.tensor([img.size()[-1] for img in data['curr_img']],
                                dtype=data['curr_gt'].dtype)
            im_h = torch.tensor([img.size()[-2] for img in data['curr_img']],
                                dtype=data['curr_gt'].dtype)
            jittered_curr_gt = bbox_jitter(data['curr_gt'].clone(), im_w, im_h)

            conv_features, repr_features = get_features(
                obj_detect, data['curr_img'], jittered_curr_gt)

            # for motion calculation, we still use the unjittered bboxs
            prev_loc = (data['prev_gt_warped']
                        if use_ecc else data['prev_gt']).cuda()
            curr_loc = (data['curr_gt_warped']
                        if use_ecc else data['curr_gt']).cuda()
            label_loc = label['label_gt'].cuda()
            curr_vis = data['curr_vis'].cuda()

            n_iter += 1
            # TODO the output bbox should be (x,y,w,h)?
            optimizer.zero_grad()
            if oracle_training:
                pred_loc_wh, vis = motion_model(conv_features, repr_features,
                                                prev_loc, curr_loc,
                                                curr_vis.unsqueeze(-1))
            else:
                pred_loc_wh, vis = motion_model(conv_features, repr_features,
                                                prev_loc, curr_loc)
            label_loc_wh = two_p_to_wh(label_loc)

            pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
            vis_loss = vis_loss_func(vis, curr_vis)
            if no_vis_loss:
                loss = pred_loss
            else:
                loss = pred_loss + vis_loss_ratio * vis_loss

            loss.backward()
            optimizer.step()

            train_pred_loss_iters.append(pred_loss.item())
            train_vis_loss_iters.append(vis_loss.item())
            if n_iter % log_freq == 0:
                print(
                    '[Train Iter %5d] train pred loss %.6f, vis loss %.6f ...'
                    %
                    (n_iter,
                     np.mean(train_pred_loss_iters[n_iter - log_freq:n_iter]),
                     np.mean(train_vis_loss_iters[n_iter - log_freq:n_iter])),
                    flush=True)

        mean_train_pred_loss = np.mean(train_pred_loss_iters)
        mean_train_vis_loss = np.mean(train_vis_loss_iters)
        train_pred_loss_epochs.append(mean_train_pred_loss)
        train_vis_loss_epochs.append(mean_train_vis_loss)
        print('Train epoch %4d end.' % (epoch + 1))

        motion_model.eval()

        with torch.no_grad():
            for data, label in val_loader:
                # do not jitter for validation
                conv_features, repr_features = get_features(
                    obj_detect, data['curr_img'], data['curr_gt'])

                prev_loc = (data['prev_gt_warped']
                            if use_ecc else data['prev_gt']).cuda()
                curr_loc = (data['curr_gt_warped']
                            if use_ecc else data['curr_gt']).cuda()
                label_loc = label['label_gt'].cuda()
                curr_vis = data['curr_vis'].cuda()

                if oracle_training:
                    pred_loc_wh, vis = motion_model(conv_features,
                                                    repr_features, prev_loc,
                                                    curr_loc,
                                                    curr_vis.unsqueeze(-1))
                else:
                    pred_loc_wh, vis = motion_model(conv_features,
                                                    repr_features, prev_loc,
                                                    curr_loc)
                label_loc_wh = two_p_to_wh(label_loc)

                pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
                vis_loss = vis_loss_func(vis, curr_vis)

                val_pred_loss_iters.append(pred_loss.item())
                val_vis_loss_iters.append(vis_loss.item())

        mean_val_pred_loss = np.mean(val_pred_loss_iters)
        mean_val_vis_loss = np.mean(val_vis_loss_iters)
        val_pred_loss_epochs.append(mean_val_pred_loss)
        val_vis_loss_epochs.append(mean_val_vis_loss)

        print(
            '[Epoch %4d] train pred loss %.6f, vis loss %.6f; val pred loss %.6f, vis loss %.6f'
            % (epoch + 1, mean_train_pred_loss, mean_train_vis_loss,
               mean_val_pred_loss, mean_val_vis_loss))
        with open(log_file, 'a') as f:
            f.write(
                'Epoch %4d: train pred loss %.6f, vis loss %.6f; val pred loss %.6f, vis loss %.6f\n'
                % (epoch + 1, mean_train_pred_loss, mean_train_vis_loss,
                   mean_val_pred_loss, mean_val_vis_loss))

        motion_model.train()
        if mean_val_pred_loss < lowest_val_loss:
            lowest_val_loss, lowest_val_loss_epoch = mean_val_pred_loss, epoch + 1
            torch.save(
                motion_model.state_dict(),
                osp.join(output_dir,
                         'motion_model_epoch_%d.pth' % (epoch + 1)))
def train_main(v2, use_refine_model, use_ecc, use_modulator, use_bn, use_residual, vis_roi_features, no_visrepr, vis_loss_ratio, no_vis_loss,
               modulate_from_vis, max_sample_frame, lr, weight_decay, batch_size, output_dir, ex_name):
    random.seed(12345)
    torch.manual_seed(12345)
    torch.cuda.manual_seed(12345)
    np.random.seed(12345)
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(output_dir, ex_name)
    log_file = osp.join(output_dir, 'epoch_log.txt')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)

    with open(log_file, 'w') as f:
        f.write('[Experiment name]%s\n\n' % ex_name)
        f.write('[Parameters]\n')
        f.write('use_ecc=%r\nuse_modulator=%r\nuse_bn=%r\nuse_residual=%r\nvis_roi_features=%r\nno_visrepr=%r\nvis_loss_ratio=%f\nno_vis_loss=%r\nmodulate_from_vis=%r\nmax_sample_frame=%d\nlr=%f\nweight_decay=%f\nbatch_size=%d\n\n' % 
            (use_ecc, use_modulator, use_bn, use_residual, vis_roi_features, no_visrepr, vis_loss_ratio, no_vis_loss, modulate_from_vis, max_sample_frame, lr, weight_decay, batch_size))
        f.write('[Loss log]\n')

    with open('experiments/cfgs/tracktor.yaml', 'r') as f:
        tracker_config = yaml.safe_load(f)

    #################
    # Load Datasets #
    #################
    train_set = MOT17SimpleReIDWrapper('train', 0.8, 0.0, max_sample_frame, tracker_cfg=tracker_config)
    train_loader = DataLoader(train_set, batch_size=batch_size, shuffle=True, num_workers=1, collate_fn=simple_reid_wrapper_collate)
    val_set = MOT17SimpleReIDWrapper('val', 0.8, 0.0, max_sample_frame, tracker_cfg=tracker_config)
    val_loader = DataLoader(val_set, batch_size=batch_size, shuffle=False, num_workers=1, collate_fn=simple_reid_wrapper_collate)

    with open(osp.join(cfg.ROOT_DIR, 'output', 'precomputed_ecc_matrices_3.pkl'), 'rb') as f:
        ecc_dict = pickle.load(f)

    train_set.load_precomputed_ecc_warp_matrices(ecc_dict)
    val_set.load_precomputed_ecc_warp_matrices(ecc_dict)

    ########################
    # Initializing Modules #
    ########################
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(torch.load(tracker_config['tracktor']['obj_detect_model'],
                               map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    if v2:
        motion_model = MotionModelSimpleReIDV2(use_modulator=use_modulator, use_bn=use_bn, use_residual=use_residual, 
                                               vis_roi_features=vis_roi_features, no_visrepr=no_visrepr, modulate_from_vis=modulate_from_vis)
    else:
        motion_model = MotionModelSimpleReID(use_modulator=use_modulator, use_bn=use_bn, use_residual=use_residual, 
                                             vis_roi_features=vis_roi_features, no_visrepr=no_visrepr, modulate_from_vis=modulate_from_vis)
    motion_model.train()
    motion_model.cuda()

    if use_refine_model:
        motion_model = RefineModel(motion_model)
        motion_model.train()
        motion_model.cuda()

    reid_network = resnet50(pretrained=False, output_dim=128)
    reid_network.load_state_dict(torch.load(tracker_config['tracktor']['reid_weights'],
                                 map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    optimizer = torch.optim.Adam(motion_model.parameters(), lr=lr, weight_decay=weight_decay)
    pred_loss_func = nn.SmoothL1Loss()
    vis_loss_func = nn.MSELoss()

    #######################
    # Training Parameters #
    #######################
    max_epochs = 100
    log_freq = 25

    train_pred_loss_epochs = []
    train_vis_loss_epochs = []
    val_pred_loss_epochs = []
    val_vis_loss_epochs = []
    lowest_val_loss = 9999999.9
    lowest_val_loss_epoch = -1
    last_save_epoch = 0
    save_epoch_freq = 5

    ############
    # Training #
    ############
    for epoch in range(max_epochs):
        n_iter = 0
        new_lowest_flag = False
        train_pred_loss_iters = []
        train_vis_loss_iters = []
        val_pred_loss_iters = []
        val_vis_loss_iters = []

        for data in train_loader:
            early_reid = get_batch_mean_early_reid(reid_network, data['early_reid_patches'])
            curr_reid = reid_network(data['curr_reid_patch'].cuda())

            conv_features, repr_features = get_features(obj_detect, data['curr_img'], data['curr_gt_app'])

            prev_loc = (data['prev_gt_warped'] if use_ecc else data['prev_gt']).cuda()
            curr_loc = (data['curr_gt_warped'] if use_ecc else data['curr_gt']).cuda()
            label_loc = data['label_gt'].cuda()
            curr_vis = data['curr_vis'].cuda()

            n_iter += 1
            optimizer.zero_grad()
            if use_refine_model:
                pred_loc_wh, vis = motion_model(obj_detect, data['label_img'], conv_features, repr_features, prev_loc, curr_loc,
                                                early_reid=early_reid, curr_reid=curr_reid)
                label_loc_wh = two_p_to_wh(label_loc)

                pred_loss = weighted_smooth_l1_loss(pred_loc_wh, label_loc_wh, curr_vis)
                vis_loss = vis_loss_func(vis, curr_vis)
            else:
                if v2:
                    pred_loc_wh, vis = motion_model(early_reid, curr_reid, repr_features, prev_loc, curr_loc)
                else:
                    pred_loc_wh, vis = motion_model(early_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc)
                label_loc_wh = two_p_to_wh(label_loc)

                pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
                vis_loss = vis_loss_func(vis, curr_vis)
            
            if no_vis_loss:
                loss = pred_loss
            else:
                loss = pred_loss + vis_loss_ratio * vis_loss

            loss.backward()
            optimizer.step()

            train_pred_loss_iters.append(pred_loss.item())
            train_vis_loss_iters.append(vis_loss.item())
            if n_iter % log_freq == 0:
                print('[Train Iter %5d] train pred loss %.6f, vis loss %.6f ...' % 
                    (n_iter, np.mean(train_pred_loss_iters[n_iter-log_freq:n_iter]), np.mean(train_vis_loss_iters[n_iter-log_freq:n_iter])),
                    flush=True)

        mean_train_pred_loss = np.mean(train_pred_loss_iters)
        mean_train_vis_loss = np.mean(train_vis_loss_iters)
        train_pred_loss_epochs.append(mean_train_pred_loss)
        train_vis_loss_epochs.append(mean_train_vis_loss)
        print('Train epoch %4d end.' % (epoch + 1))

        motion_model.eval()

        with torch.no_grad():
            for data in val_loader:
                early_reid = get_batch_mean_early_reid(reid_network, data['early_reid_patches'])
                curr_reid = reid_network(data['curr_reid_patch'].cuda())

                conv_features, repr_features = get_features(obj_detect, data['curr_img'], data['curr_gt_app'])

                prev_loc = (data['prev_gt_warped'] if use_ecc else data['prev_gt']).cuda()
                curr_loc = (data['curr_gt_warped'] if use_ecc else data['curr_gt']).cuda()
                label_loc = data['label_gt'].cuda()
                curr_vis = data['curr_vis'].cuda()

                if use_refine_model:
                    pred_loc_wh, vis = motion_model(obj_detect, data['label_img'], conv_features, repr_features, prev_loc, curr_loc,
                                                    early_reid=early_reid, curr_reid=curr_reid)
                    label_loc_wh = two_p_to_wh(label_loc)

                    pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
                    vis_loss = vis_loss_func(vis, curr_vis)
                else:
                    if v2:
                        pred_loc_wh, vis = motion_model(early_reid, curr_reid, repr_features, prev_loc, curr_loc)
                    else:
                        pred_loc_wh, vis = motion_model(early_reid, curr_reid, conv_features, repr_features, prev_loc, curr_loc)
                    label_loc_wh = two_p_to_wh(label_loc)

                    pred_loss = pred_loss_func(pred_loc_wh, label_loc_wh)
                    vis_loss = vis_loss_func(vis, curr_vis)

                val_pred_loss_iters.append(pred_loss.item())
                val_vis_loss_iters.append(vis_loss.item())

        mean_val_pred_loss = np.mean(val_pred_loss_iters)
        mean_val_vis_loss = np.mean(val_vis_loss_iters)
        val_pred_loss_epochs.append(mean_val_pred_loss)
        val_vis_loss_epochs.append(mean_val_vis_loss)

        print('[Epoch %4d] train pred loss %.6f, vis loss %.6f; val pred loss %.6f, vis loss %.6f' % 
            (epoch+1, mean_train_pred_loss, mean_train_vis_loss, mean_val_pred_loss, mean_val_vis_loss))

        motion_model.train()

        if mean_val_pred_loss < lowest_val_loss:
            lowest_val_loss, lowest_val_loss_epoch = mean_val_pred_loss, epoch + 1
            last_save_epoch = lowest_val_loss_epoch
            new_lowest_flag = True
            torch.save(motion_model.state_dict(), osp.join(output_dir, 'simple_reid_motion_model_epoch_%d.pth'%(epoch+1)))
        elif epoch + 1 - last_save_epoch == save_epoch_freq:
            last_save_epoch = epoch + 1
            torch.save(motion_model.state_dict(), osp.join(output_dir, 'simple_reid_motion_model_epoch_%d.pth'%(epoch+1)))

        with open(log_file, 'a') as f:
            f.write('Epoch %4d: train pred loss %.6f, vis loss %.6f; val pred loss %.6f, vis loss %.6f %s\n' % 
                (epoch+1, mean_train_pred_loss, mean_train_vis_loss, mean_val_pred_loss, mean_val_vis_loss, '*' if new_lowest_flag else ''))
示例#20
0
def pretrain_main(conv_only, image_flip, train_jitter, val_jitter, lr,
                  weight_decay, batch_size, output_dir, ex_name):
    random.seed(12345)
    torch.manual_seed(12345)
    torch.cuda.manual_seed(12345)
    np.random.seed(12345)
    torch.backends.cudnn.deterministic = True

    # output_dir = osp.join(get_output_dir('motion'), 'vis')
    output_dir = osp.join(output_dir, ex_name)
    log_file = osp.join(output_dir, 'epoch_log.txt')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)

    with open(log_file, 'w') as f:
        f.write('[Experiment name]%s\n\n' % ex_name)
        f.write('[Parameters]\n')
        f.write(
            'conv_only=%r\nimage_flip=%r\ntrain_jitter=%r\nval_jitter=%r\nlr=%f\nweight_decay=%f\nbatch_size=%d\n\n'
            % (conv_only, image_flip, train_jitter, val_jitter, lr,
               weight_decay, batch_size))
        f.write('[Loss log]\n')

    with open('experiments/cfgs/tracktor.yaml', 'r') as f:
        tracker_config = yaml.safe_load(f)

    #################
    # Load Datasets #
    #################
    train_set = MOT17Vis('train',
                         0.8,
                         0.0,
                         train_bbox_jitter=train_jitter,
                         random_image_flip=image_flip)
    train_loader = DataLoader(train_set,
                              batch_size=1,
                              shuffle=True,
                              num_workers=2)
    val_set = MOT17Vis('val', 0.8, 0.0, val_bbox_jitter=val_jitter)
    val_loader = DataLoader(val_set,
                            batch_size=1,
                            shuffle=False,
                            num_workers=2)

    ########################
    # Initializing Modules #
    ########################
    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(
        torch.load(tracker_config['tracktor']['obj_detect_model'],
                   map_location=lambda storage, loc: storage))
    obj_detect.eval()
    obj_detect.cuda()

    vis_model = VisEst(conv_only=conv_only)
    vis_model.train()
    vis_model.cuda()

    optimizer = torch.optim.Adam(vis_model.parameters(),
                                 lr=lr,
                                 weight_decay=weight_decay)
    loss_func = nn.MSELoss()

    #######################
    # Training Parameters #
    #######################

    max_epochs = 100

    conv_batch_forger = BatchForger(
        batch_size,
        (vis_model.output_dim, vis_model.pool_size, vis_model.pool_size))
    repr_batch_forger = BatchForger(batch_size,
                                    (vis_model.representation_dim, ))
    label_batch_forger = BatchForger(batch_size, (1, ))

    log_freq = 100

    train_loss_epochs = []
    val_loss_epochs = []
    lowest_val_loss = 9999999.9
    lowest_val_loss_epoch = -1

    ############
    # Training #
    ############

    for epoch in range(max_epochs):
        n_iter = 0
        train_loss_iters = []
        val_loss_iters = []

        for data in train_loader:
            conv_features, repr_features = get_features(
                obj_detect, data['img'], data['gt'])
            conv_batch_forger.feed(conv_features)
            repr_batch_forger.feed(repr_features)
            label_batch_forger.feed(data['vis'].squeeze(0).unsqueeze(-1))

            while label_batch_forger.has_one_batch():
                n_iter += 1
                batch_conv = conv_batch_forger.dump().cuda()
                batch_repr = repr_batch_forger.dump().cuda()
                batch_label = label_batch_forger.dump().cuda()

                optimizer.zero_grad()
                pred, _ = vis_model(batch_conv, batch_repr)
                loss = loss_func(pred, batch_label)
                loss.backward()
                optimizer.step()

                train_loss_iters.append(loss.item())
                if n_iter % log_freq == 0:
                    print(
                        '[Train Iter %5d] train loss %.6f ...' %
                        (n_iter,
                         np.mean(train_loss_iters[n_iter - log_freq:n_iter])))

        mean_train_loss = np.mean(train_loss_iters)
        train_loss_epochs.append(mean_train_loss)
        print('Train epoch %4d end.' % (epoch + 1))

        conv_batch_forger.reset()
        repr_batch_forger.reset()
        label_batch_forger.reset()

        vis_model.eval()

        for data in val_loader:
            conv_features, repr_features = get_features(
                obj_detect, data['img'], data['gt'])
            conv_batch_forger.feed(conv_features)
            repr_batch_forger.feed(repr_features)
            label_batch_forger.feed(data['vis'].squeeze(0).unsqueeze(-1))

            while label_batch_forger.has_one_batch():
                batch_conv = conv_batch_forger.dump().cuda()
                batch_repr = repr_batch_forger.dump().cuda()
                batch_label = label_batch_forger.dump().cuda()

                pred, _ = vis_model(batch_conv, batch_repr)
                loss = loss_func(pred, batch_label)

                val_loss_iters.append(loss.item())

        mean_val_loss = np.mean(val_loss_iters)
        val_loss_epochs.append(mean_val_loss)
        print('[Epoch %4d] train loss %.6f, val loss %.6f' %
              (epoch + 1, mean_train_loss, mean_val_loss))
        with open(log_file, 'a') as f:
            f.write('Epoch %4d: train loss %.6f, val loss %.6f\n' %
                    (epoch + 1, mean_train_loss, mean_val_loss))

        conv_batch_forger.reset()
        repr_batch_forger.reset()
        label_batch_forger.reset()

        vis_model.train()

        if mean_val_loss < lowest_val_loss:
            lowest_val_loss, lowest_val_loss_epoch = mean_val_loss, epoch + 1
            torch.save(
                vis_model.state_dict(),
                osp.join(output_dir, 'vis_model_epoch_%d.pth' % (epoch + 1)))
示例#21
0
def main(tracktor, reid, _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']), tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")

    obj_detect = FRCNN_FPN(num_classes=2)
    obj_detect.load_state_dict(torch.load(_config['tracktor']['obj_detect_model'],
                               map_location=lambda storage, loc: storage))

    obj_detect.eval()
    obj_detect.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(torch.load(tracktor['reid_weights'],
                                 map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # neural motion model 

    vis_model = VisSimpleReID()

    motion_model = MotionModelV3(vis_model)
    motion_model.load_state_dict(torch.load('output/motion/finetune_motion_model_v3.pth')) 

    motion_model.eval()
    motion_model.cuda()

    save_vis_results = False

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(obj_detect, reid_network, tracktor['tracker'], tracktor['oracle'])
    else:
        # tracker = Tracker(obj_detect, reid_network, tracktor['tracker'])
        tracker = TrackerNeuralMM(obj_detect, reid_network, motion_model, tracktor['tracker'], save_vis_results=save_vis_results, vis_model=None)

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'], {'use_val_split':True})
    for seq in dataset:
        tracker.reset()

        start = time.time()

        _log.info(f"Tracking: {seq}")

        data_loader = DataLoader(seq, batch_size=1, shuffle=False)
        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(seq) * tracktor['frame_split'][1]:
                with torch.no_grad():
                    tracker.step(frame)
                num_frames += 1
        results = tracker.get_results()

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")

        if tracktor['interpolate']:
            results = interpolate(results)

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")
        seq.write_results(results, output_dir)
        if save_vis_results:
            vis_results = tracker.get_vis_results()
            seq.write_vis_results(vis_results, output_dir)

        if tracktor['write_images']:
            plot_sequence(results, seq, osp.join(output_dir, tracktor['dataset'], str(seq)))

    _log.info(f"Tracking runtime for all sequences (without evaluation or image writing): "
              f"{time_total:.1f} s ({num_frames / time_total:.1f} Hz)")
    if mot_accums:
        evaluate_mot_accums(mot_accums, [str(s) for s in dataset if not s.no_gt], generate_overall=True)
示例#22
0
def main(tracktor, reid, _config, _log, _run):
    sacred.commands.print_config(_run)

    # set all seeds
    torch.manual_seed(tracktor['seed'])
    torch.cuda.manual_seed(tracktor['seed'])
    np.random.seed(tracktor['seed'])
    torch.backends.cudnn.deterministic = True

    output_dir = osp.join(get_output_dir(tracktor['module_name']), tracktor['name'])
    sacred_config = osp.join(output_dir, 'sacred_config.yaml')

    if not osp.exists(output_dir):
        os.makedirs(output_dir)
    with open(sacred_config, 'w') as outfile:
        yaml.dump(_config, outfile, default_flow_style=False)

    ##########################
    # Initialize the modules #
    ##########################

    # object detection
    _log.info("Initializing object detector.")
    use_masks = _config['tracktor']['tracker']['use_masks']
    mask_model = Mask_RCNN(num_classes=2)
    fast_model = FRCNN_FPN(num_classes=2)
    fast_model.load_state_dict(torch.load(_config['tracktor']['fast_rcnn_model'],
                               map_location=lambda storage, loc: storage))
    if(use_masks):

      mask_model.load_state_dict(torch.load(_config['tracktor']['mask_rcnn_model'],
                               map_location=lambda storage, loc: storage)['model_state_dict'])
      mask_model.eval()
      mask_model.cuda()

    fast_model.eval()
    fast_model.cuda()

    # reid
    reid_network = resnet50(pretrained=False, **reid['cnn'])
    reid_network.load_state_dict(torch.load(tracktor['reid_weights'],
                                 map_location=lambda storage, loc: storage))
    reid_network.eval()
    reid_network.cuda()

    # tracktor
    if 'oracle' in tracktor:
        tracker = OracleTracker(fast_model, reid_network, tracktor['tracker'], tracktor['oracle'])
    else:
        tracker = Tracker(fast_model, reid_network, tracktor['tracker'], mask_model)

    time_total = 0
    num_frames = 0
    mot_accums = []
    dataset = Datasets(tracktor['dataset'])
    for seq in dataset:
        num_frames = 0
        tracker.reset()

        start = time.time()

        _log.info(f"Tracking: {seq}")

        data_loader = DataLoader(seq, batch_size=1, shuffle=False)
        if tracktor['write_images'] and use_masks:
            print("[*] Plotting image to {}".format(osp.join(output_dir, tracktor['dataset'])))


        for i, frame in enumerate(tqdm(data_loader)):
            if len(seq) * tracktor['frame_split'][0] <= i <= len(seq) * tracktor['frame_split'][1]:
                tracker.step(frame)
                if tracktor['write_images'] and use_masks:
                  result = tracker.get_results()
                  masks = tracker.get_masks()
                  plot_sequence(result, masks, seq, num_frames, osp.join(output_dir, tracktor['dataset'], str(seq)), plot_masks = True)
                num_frames += 1

        results = tracker.get_results()
        import matplotlib.pyplot as plt

        time_total += time.time() - start

        _log.info(f"Tracks found: {len(results)}")
        _log.info(f"Runtime for {seq}: {time.time() - start :.1f} s.")

        if tracktor['interpolate']:
            results = interpolate(results)

        if seq.no_gt:
            _log.info(f"No GT data for evaluation available.")
        else:
            mot_accums.append(get_mot_accum(results, seq))

        _log.info(f"Writing predictions to: {output_dir}")
        seq.write_results(results, output_dir)


    _log.info(f"Tracking runtime for all sequences (without evaluation or image writing): "
              f"{time_total:.1f} s ({num_frames / time_total:.1f} Hz)")
    if mot_accums:
        evaluate_mot_accums(mot_accums, [str(s) for s in dataset if not s.no_gt], generate_overall=True)