Пример #1
0
def init_loader_config(opt):
    train_config = Config(**opt, crop='random', feature_callbacks=[], label_callbacks=[])
    benchmark_config = Config(**opt, crop=None, feature_callbacks=[], label_callbacks=[], output_callbacks=[])
    infer_config = Config(**opt, feature_callbacks=[], label_callbacks=[], output_callbacks=[])
    benchmark_config.batch = opt.test_batch or 1
    benchmark_config.steps_per_epoch = -1
    if opt.channel == 1:
        train_config.convert_to = 'gray'
        benchmark_config.convert_to = 'gray'
        if opt.output_color == 'RGB':
            benchmark_config.convert_to = 'yuv'
            benchmark_config.feature_callbacks = train_config.feature_callbacks + [to_gray()]
            benchmark_config.label_callbacks = train_config.label_callbacks + [to_gray()]
            benchmark_config.output_callbacks = [to_rgb()]
        benchmark_config.output_callbacks += [save_image(opt.root, opt.output_index)]
        infer_config.update(benchmark_config)
    else:
        train_config.convert_to = 'rgb'
        benchmark_config.convert_to = 'rgb'
        benchmark_config.output_callbacks += [save_image(opt.root, opt.output_index)]
        infer_config.update(benchmark_config)
    if opt.add_custom_callbacks is not None:
        for fn in opt.add_custom_callbacks:
            train_config.feature_callbacks += [globals()[fn]]
            benchmark_config.feature_callbacks += [globals()[fn]]
            infer_config.feature_callbacks += [globals()[fn]]
    if opt.lr_decay:
        train_config.lr_schedule = lr_decay(lr=opt.lr, **opt.lr_decay)
    # modcrop: A boolean to specify whether to crop the edge of images to be divisible
    #          by `scale`. It's useful when to provide batches with original shapes.
    infer_config.modcrop = False
    return train_config, benchmark_config, infer_config
Пример #2
0
def main():
    flags, args = parser.parse_known_args()
    opt = Config()
    for pair in flags._get_kwargs():
        opt.setdefault(*pair)
    overwrite_from_env(opt)
    data_config_file = Path(flags.data_config)
    if not data_config_file.exists():
        raise RuntimeError("dataset config file doesn't exist!")
    for _ext in ('json', 'yaml', 'yml'):  # for compat
        # apply a 2-stage (or master-slave) configuration, master can be
        # override by slave
        model_config_root = Path('Parameters/root.{}'.format(_ext))
        if opt.parameter:
            model_config_file = Path(opt.parameter)
        else:
            model_config_file = Path('Parameters/{}.{}'.format(
                opt.model, _ext))
        if model_config_root.exists():
            opt.update(Config(str(model_config_root)))
        if model_config_file.exists():
            opt.update(Config(str(model_config_file)))

    model_params = opt.get(opt.model, {})
    suppress_opt_by_args(model_params, *args)
    opt.update(model_params)
    model = get_model(opt.model)(**model_params)
    if opt.cuda:
        model.cuda()
    root = f'{opt.save_dir}/{opt.model}'
    if opt.comment:
        root += '_' + opt.comment
    verbosity = logging.DEBUG if opt.verbose else logging.INFO
    trainer = model.trainer

    datasets = load_datasets(data_config_file)
    try:
        test_datas = [datasets[t.upper()] for t in opt.test]
        run_benchmark = True
    except KeyError:
        test_datas = []
        for pattern in opt.test:
            test_data = Dataset(test=_glob_absolute_pattern(pattern),
                                test_pair=_glob_absolute_pattern(pattern),
                                mode='pil-image1',
                                modcrop=False,
                                parser='custom_pairs')
            father = Path(pattern)
            while not father.is_dir():
                if father.parent == father:
                    break
                father = father.parent
            test_data.name = father.stem
            test_datas.append(test_data)
        run_benchmark = False

    if opt.verbose:
        dump(opt)
    for test_data in test_datas:
        loader_config = Config(convert_to='rgb',
                               feature_callbacks=[],
                               label_callbacks=[],
                               output_callbacks=[],
                               **opt)
        loader_config.batch = 1
        loader_config.subdir = test_data.name
        loader_config.output_callbacks += [
            save_image(root, opt.output_index, opt.auto_rename)
        ]
        if opt.channel == 1:
            loader_config.convert_to = 'gray'
            if opt.output_color == 'RGB':
                loader_config.convert_to = 'yuv'
                loader_config.feature_callbacks = [to_gray()]
                loader_config.label_callbacks = [to_gray()]
                loader_config.output_callbacks.insert(0, to_rgb())

        with trainer(model, root, verbosity, opt.pth) as t:
            if opt.seed is not None:
                t.set_seed(opt.seed)
            loader = QuickLoader(test_data,
                                 'test',
                                 loader_config,
                                 n_threads=opt.thread)
            loader_config.epoch = opt.epoch
            if run_benchmark:
                t.benchmark(loader, loader_config)
            else:
                t.infer(loader, loader_config)