def prepare_data(): # split the video list vnames = get_video_names(cfg.DATASET.VIDEO_LIST) train_split = vnames test_split = vnames[:int(0.2 * len(train_split))] train_transforms = transforms.Compose([ video_transforms.Resize(cfg.DATA_TRANSFORM.LOADSIZE), video_transforms.RandomCrop(cfg.DATA_TRANSFORM.FINESIZE) ]) #video_transforms.RandomHorizontalFlip()]) test_transforms = transforms.Compose([ video_transforms.Resize(cfg.DATA_TRANSFORM.LOADSIZE), video_transforms.CenterCrop(cfg.DATA_TRANSFORM.FINESIZE) ]) video_root = cfg.DATASET.VIDEO_ROOT annot_path = cfg.DATASET.ANNOT_JSON_SAVE_PATH dataset = Dataset(train_split, video_root, annot_path, train_transforms) train_dataloader = torch.utils.data.DataLoader( dataset, batch_size=cfg.TRAIN.BATCH_SIZE, shuffle=True, num_workers=cfg.NUM_WORKERS, drop_last=True, pin_memory=True) video_root = cfg.DATASET.VIDEO_ROOT annot_path = cfg.DATASET.ANNOT_JSON_SAVE_PATH test_dataset = Dataset(test_split, video_root, annot_path, test_transforms) test_dataloader = torch.utils.data.DataLoader( test_dataset, batch_size=cfg.TEST.BATCH_SIZE, shuffle=False, num_workers=cfg.NUM_WORKERS, drop_last=False, pin_memory=True) dataloaders = {'train': train_dataloader, 'test': test_dataloader} return dataloaders
def search_result(video_path): video_path = "./static/data/" + video_path b_time = time.time() # set args args = parser.parse_args() args = autofill(args) set_logger(log_file=args.log_file, debug_mode=args.debug_mode) logging.info("Start evaluation with args:\n" + json.dumps(vars(args), indent=4, sort_keys=True)) # set device states os.environ["CUDA_VISIBLE_DEVICES"] = str(args.gpus) # before using torch assert torch.cuda.is_available(), "CUDA is not available" # load dataset related configuration dataset_cfg = dataset.get_config(name=args.dataset) # number_class=51 # creat model sym_net, input_config = get_symbol(name=args.network, use_flow=False, **dataset_cfg) # network if torch.cuda.is_available(): cudnn.benchmark = True sym_net = torch.nn.DataParallel(sym_net).cuda() criterion = torch.nn.CrossEntropyLoss().cuda() else: sym_net = torch.nn.DataParallel(sym_net) criterion = torch.nn.CrossEntropyLoss() net = static_model(net=sym_net, criterion=criterion, model_prefix=args.model_prefix) net.load_checkpoint(epoch=args.load_epoch) m_time = time.time() dict_name_label = get_name_label() Video_list, feature_list = get_feature_dict() all_feature = np.array(feature_list) d_time = time.time() get_query(video_path) extract_query_frame() data_root = "./query/" query_names = os.listdir(data_root + "videos") txt_path = "./query/list_cvt/search.txt" if os.path.exists(txt_path): os.remove(txt_path) with open(txt_path, "w")as f: for i in range(len(query_names)): f.write(str(i) + "\t" + "0" + "\t" + query_names[i] + "\n") normalize = transforms.Normalize(mean=input_config['mean'], std=input_config['std']) val_sampler = sampler.RandomSampling(num=args.clip_length, interval=args.frame_interval, speed=[1.0, 1.0]) val_loader = VideoIter(video_prefix=os.path.join(data_root, 'videos'), frame_prefix=os.path.join(data_root, 'frames'), txt_list=os.path.join(data_root, 'list_cvt', 'search.txt'), sampler=val_sampler, force_color=True, video_transform=transforms.Compose([ transforms.Resize((256, 256)), transforms.CenterCrop((224, 224)), transforms.ToTensor(), normalize, ]), name='test', return_item_subpath=True ) eval_iter = torch.utils.data.DataLoader(val_loader, batch_size=args.batch_size, shuffle=True, num_workers=1, # change this part accordingly pin_memory=True) net.net.eval() avg_score = {} sum_batch_elapse = 0. sum_batch_inst = 0 duplication = 1 softmax = torch.nn.Softmax(dim=1) pr_time = time.time() # print("preprocessing video time:" ,pv_time-lm_time) total_round = 1 # change this part accordingly if you do not want an inf loop for i_round in range(total_round): list_Ap = [] i_batch = 0 dict_q_r = {} # dict_AP={} for data, target, video_subpath in eval_iter: # print(video_subpath) batch_start_time = time.time() feature = net.get_feature(data) feature = feature.detach().cpu().numpy() for i in range(len(video_subpath)): dict_info = {} V_feature = feature[i] topN_re = get_top_N(Video_list, all_feature, args.topN, V_feature) dict_info["result"] = topN_re if video_subpath[i] in dict_name_label.keys(): tmp_AP10 = cal_AP(topN_re[:10], dict_name_label[video_subpath[i]]) tmp_AP50 = cal_AP(topN_re[:50], dict_name_label[video_subpath[i]]) tmp_AP200 = cal_AP(topN_re[:200], dict_name_label[video_subpath[i]]) else: print("video is not in the database, AP=0") tmp_AP10 = 0 tmp_AP50 = 0 tmp_AP200 = 0 print(video_subpath[i], str(tmp_AP10), str(tmp_AP50), str(tmp_AP200)) list_Ap = [tmp_AP10, tmp_AP50, tmp_AP200] dict_info["AP"] = list_Ap dict_q_r[video_subpath[i]] = dict_info batch_end_time = time.time() dict_q_r[video_subpath[0]]["time"] = batch_end_time - batch_start_time + pr_time - d_time dict_q_r[video_subpath[0]]["lmtime"] = m_time - b_time dict_q_r[video_subpath[0]]["datatime"] = d_time - m_time json.dump(dict_q_r, open("q_r.json", "w")) return dict_q_r
data_root = "../dataset/{}".format(args.dataset) normalize = transforms.Normalize(mean=input_config['mean'], std=input_config['std']) val_sampler = sampler.RandomSampling(num=args.clip_length, interval=args.frame_interval, speed=[1.0, 1.0]) val_loader = VideoIter( video_prefix='/UCF101/TSN_input/', # change this part accordingly txt_list=os.path.join(data_root, 'raw', 'list_cvt', 'testlist0{}.txt'.format(args.split)), sampler=val_sampler, force_color=True, video_transform=transforms.Compose([ #transforms.Resize((256,256)), #transforms.RandomCrop((224,224)), transforms.CenterCrop( (224, 224)), # we did not use center crop in our paper # transforms.RandomHorizontalFlip(), # we did not use mirror in our paper transforms.ToTensor(args.modality), normalize, ]), name='test', cached_info_path=os.path.join( data_root, 'raw', 'list_cvt', 'ucf101_split{}_test_info.txt'.format(args.split)), return_item_subpath=True, check_video=True, load_from_img=True, modality=args.modality, accumulate=args.accumulate, ds_factor=args.ds_factor, mv_minmaxnorm=args.mv_minmaxnorm,
net = static_model(net=sym_net, criterion=criterion, model_prefix=args.model_prefix) net.load_checkpoint(epoch=args.load_epoch) # data iterator: data_root = "../dataset/{}".format(args.dataset) normalize = transforms.Normalize(mean=input_config['mean'], std=input_config['std']) val_sampler = sampler.RandomSampling(num=args.clip_length, interval=args.frame_interval, speed=[1.0, 1.0]) if args.use_flow: val_transform = transforms.Compose([ transforms.Resize((256, 256)), transforms.CenterCrop((224, 224)), transforms.ToTensorMixed(dim1=3, dim2=2, t_channel=args.clip_length * 3), normalize, ]) else: val_transform = transforms.Compose([ transforms.Resize((256, 256)), transforms.CenterCrop((224, 224)), transforms.ToTensor(), normalize, ]) val_loader = VideoIter( video_prefix=os.path.join(data_root, 'raw', 'data'), # change this part accordingly