Пример #1
0
    def __init__(
        self,
        cfg,
        confidence_threshold=0.7,
        show_mask_heatmaps=False,
        masks_per_dim=2,
        min_image_size=224,
    ):
        self.cfg = cfg.clone()
        self.model = build_detection_model(cfg)
        self.model.eval()
        self.device = torch.device(cfg.MODEL.DEVICE)
        self.model.to(self.device)
        self.min_image_size = min_image_size

        save_dir = cfg.OUTPUT_DIR
        checkpointer = DetectronCheckpointer(cfg, self.model, save_dir=save_dir)
        _ = checkpointer.load(cfg.MODEL.WEIGHT)

        self.transforms = self.build_transform()

        mask_threshold = -1 if show_mask_heatmaps else 0.5
        self.masker = Masker(threshold=mask_threshold, padding=1)

        # used to make colors for each class
        self.palette = torch.tensor([2 ** 25 - 1, 2 ** 15 - 1, 2 ** 21 - 1])

        self.cpu_device = torch.device("cpu")
        self.confidence_threshold = confidence_threshold
        self.show_mask_heatmaps = show_mask_heatmaps
        self.masks_per_dim = masks_per_dim
def train(cfg, local_rank, distributed):
    model = build_detection_model(cfg)
    device = torch.device(cfg.MODEL.DEVICE)
    model.to(device)

    optimizer = make_optimizer(cfg, model)
    scheduler = make_lr_scheduler(cfg, optimizer)

    if distributed:
        model = torch.nn.parallel.DistributedDataParallel(
            model,
            device_ids=[local_rank],
            output_device=local_rank,
            # this should be removed if we update BatchNorm stats
            broadcast_buffers=False,
        )

    arguments = {}
    arguments["iteration"] = 0

    output_dir = cfg.OUTPUT_DIR

    summary_writer = SummaryWriter(log_dir=output_dir)
    save_to_disk = get_rank() == 0
    checkpointer = DetectronCheckpointer(cfg, model, optimizer, scheduler,
                                         output_dir, save_to_disk)

    if cfg.MODEL.WEIGHT.upper() == 'CONTINUE':
        model_weight = last_checkpoint(output_dir)
    else:
        model_weight = cfg.MODEL.WEIGHT
    extra_checkpoint_data = checkpointer.load(model_weight)

    arguments.update(extra_checkpoint_data)

    data_loader = make_data_loader(
        cfg,
        is_train=True,
        is_distributed=distributed,
        start_iter=arguments["iteration"],
    )

    data_loader_val = make_data_loader(cfg,
                                       is_train=False,
                                       is_distributed=distributed)[0]

    checkpoint_period = cfg.SOLVER.CHECKPOINT_PERIOD

    do_train(model=model,
             data_loader=data_loader,
             data_loader_val=data_loader_val,
             optimizer=optimizer,
             scheduler=scheduler,
             checkpointer=checkpointer,
             device=device,
             checkpoint_period=checkpoint_period,
             arguments=arguments,
             summary_writer=summary_writer)

    return model
Пример #3
0
def main():
    parser = argparse.ArgumentParser(
        description="PyTorch Object Detection Inference")
    parser.add_argument(
        "--config-file",
        default=
        "/home/bong3/lib/robin_mrcnn/facebook_mrcnn/configs/example/caffe2/e2e_mask_rcnn_X-152-32x8d-FPN-IN5k_1.44x_caffe2.yaml",
        metavar="FILE",
        help="path to config file",
    )
    parser.add_argument("--local_rank", type=int, default=0)
    parser.add_argument(
        "opts",
        help="Modify config options using the command-line",
        default=
        None,  #'MODEL.WEIGHT "/home/bong07/lib/robin_mrcnn/checkpoint/20190117-141315/model_0005000.pth"',
        nargs=argparse.REMAINDER,
    )

    args = parser.parse_args()

    num_gpus = int(
        os.environ["WORLD_SIZE"]) if "WORLD_SIZE" in os.environ else 1
    distributed = num_gpus > 1

    if distributed:
        torch.cuda.set_device(args.local_rank)
        torch.distributed.init_process_group(backend="nccl",
                                             init_method="env://")
        synchronize()

    cfg.merge_from_file(args.config_file)
    cfg.merge_from_list(args.opts)
    cfg.freeze()

    save_dir = ""
    logger = setup_logger("maskrcnn_benchmark", save_dir, get_rank())
    logger.info("Using {} GPUs".format(num_gpus))
    logger.info(cfg)

    logger.info("Collecting env info (might take some time)")
    logger.info("\n" + collect_env_info())

    model = build_detection_model(cfg)
    model.to(cfg.MODEL.DEVICE)

    output_dir = cfg.OUTPUT_DIR
    checkpointer = DetectronCheckpointer(cfg, model, save_dir=output_dir)
    _ = checkpointer.load(cfg.MODEL.WEIGHT)

    iou_types = ("bbox", )
    if cfg.MODEL.MASK_ON:
        iou_types = iou_types + ("segm", )
    if cfg.MODEL.KEYPOINT_ON:
        iou_types = iou_types + ("keypoints", )
    output_folders = [None] * len(cfg.DATASETS.TEST)
    dataset_names = cfg.DATASETS.TEST
    if cfg.OUTPUT_DIR:
        for idx, dataset_name in enumerate(dataset_names):
            output_folder = os.path.join(cfg.OUTPUT_DIR, "inference",
                                         dataset_name)
            mkdir(output_folder)
            output_folders[idx] = output_folder
    data_loaders_val = make_data_loader(cfg,
                                        is_train=False,
                                        is_distributed=distributed)
    for output_folder, dataset_name, data_loader_val in zip(
            output_folders, dataset_names, data_loaders_val):
        inference(
            model,
            data_loader_val,
            dataset_name=dataset_name,
            iou_types=iou_types,
            box_only=False if cfg.MODEL.RETINANET_ON else cfg.MODEL.RPN_ONLY,
            device=cfg.MODEL.DEVICE,
            expected_results=cfg.TEST.EXPECTED_RESULTS,
            expected_results_sigma_tol=cfg.TEST.EXPECTED_RESULTS_SIGMA_TOL,
            output_folder=output_folder,
        )
        synchronize()