importargparseparser=argparse.ArgumentParser(description='PWCNet_paddle')parser.add_argument('--dataset',default='FlyingChairs',help='dataset type : FlyingChairs')parser.add_argument('--data_root',default='',help='the path of selected datasets')parser.add_argument('--model_out_dir',default='./out',help='the path of selected datasets')parser.add_argument('--loss',default='l2',help='loss type : first train with l2 and finetune with l1')parser.add_argument('--train_val_txt',default='',help='the path of selected train_val_txt of dataset')parser.add_argument('--numEpoch','-e',type=int,default=100,help='Number of epochs to train')parser.add_argument('--batch_size','-b',type=int,default=40,help='batch size')parser.add_argument('--pretrained',default=None,help='path to the pretrained model weights')parser.add_argument('--optimize',default=None,help='path to the pretrained optimize weights')parser.add_argument('--use_multi_gpu',action='store_true',help='Enable multi gpu mode')args=parser.parse_args()args.inference_size=[384,512]args.crop_size=[384,448]