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@pytest.mark.unit @pytest.mark.convert def test_filter_on_extension_with_predicate(): 'Test convert.filter_on_extension with a predicate argument' test_files = ['file_one.fits', 'file_two.fits', 'file_three.exclude'] extensions = ['fits'] expected_list = test_files[:1] predicate = (lambda f: (f ==...
@pytest.mark.unit @pytest.mark.convert def test_make_dirs(): 'Test convert.make_dirs' helpers.setup() out_dir = helpers.TEST_PATH expected_dirs = set(list(map((lambda f: os.path.join(out_dir, f)), ['0/0', '1/0', '1/1', '2/0', '2/1', '2/2', '2/3']))) convert.make_dirs(out_dir, 0, 2) dirs_exists...
@pytest.mark.unit @pytest.mark.convert def test_get_zoom_range(): 'Test convert.get_zoom_range' in_shape = [10000, 10000] tile_size = [256, 256] expected_min = 0 expected_max = 5 (actual_min, acutal_max) = convert.get_zoom_range(in_shape, tile_size) assert (expected_min == actual_min) ...
@pytest.mark.unit @pytest.mark.convert def test_get_total_tiles(): 'Test convert.get_total_tiles' (min_zoom, max_zoom) = (0, 2) expected_number = 21 actual_number = convert.get_total_tiles(min_zoom, max_zoom) assert (expected_number == actual_number)
@pytest.mark.unit @pytest.mark.convert def test_imread_default(): 'Test convert.imread_default() with valid path' helpers.setup(with_data=True) test_file = os.path.join(helpers.TEST_PATH, 'test_tiling_image.jpg') expected_array = np.flipud(Image.open(test_file)) empty_array = np.zeros([256, 256]) ...
@pytest.mark.unit @pytest.mark.convert def test_imread_default_invalid_path(): 'Test convert.imread_default() with valid path' helpers.setup(with_data=True) test_file = os.path.join(helpers.TEST_PATH, 'doesnt_exist.jpg') empty_array = np.zeros([256, 256]) actual_array = convert.imread_default(test...
@pytest.mark.unit @pytest.mark.convert def test_get_map_layer_name(): 'Test convert.get_map_layer_name' test_file_name = './test/test_file.png' expected_layer_name = 'test_file' actual_layer_name = convert.get_map_layer_name(test_file_name) assert (expected_layer_name == actual_layer_name)
@pytest.mark.unit @pytest.mark.convert def test_get_marker_file_name(): 'Test convert.get_marker_file_names' test_file_name = './test/test_file.cat' expected_marker_file_name = 'test_file.cat.js' actual_marker_file_name = convert.get_marker_file_name(test_file_name) assert (expected_marker_file_na...
@pytest.mark.unit @pytest.mark.convert def test_line_to_cols(): 'Test convert.line_to_cols' line = ['ID', 'RA', 'dec', 'test1', 'test2'] actual_cols = convert.line_to_cols(line) expected_cols = line expected_cols[0] = 'id' expected_cols[1] = 'ra' assert (expected_cols == actual_cols)
@pytest.mark.unit @pytest.mark.convert def test_line_to_cols_with_hash(): 'Test convert.line_to_cols' line = ['#', 'ID', 'RA', 'dec', 'test1', 'test2'] actual_cols = convert.line_to_cols(line) expected_cols = line[1:] expected_cols[0] = 'id' expected_cols[1] = 'ra' assert (expected_cols ==...
@pytest.mark.unit @pytest.mark.convert def test_line_to_json_xy(): 'Test convert.line_to_json with x/y' helpers.setup() in_wcs = None columns = ['id', 'x', 'y', 'col1', 'col2'] catalog_assets_path = os.path.join(helpers.TEST_PATH, 'catalog_assets') os.mkdir(catalog_assets_path) in_line = [...
@pytest.mark.unit @pytest.mark.convert @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_line_to_json_ra_dec(): 'Test convert.line_to_json with ra/dec' helpers.setup(with_data=True) in_wcs = WCS(fits.getheader(os.path.join(helpers.TEST_PATH, 'test_image.fits'))) co...
@pytest.mark.unit @pytest.mark.convert def test_tile_img_pil_serial(): 'Test convert.tile_img' helpers.disbale_tqdm() helpers.setup(with_data=True) out_dir = helpers.TEST_PATH test_image = os.path.join(out_dir, 'test_tiling_image.jpg') pbar_ref = [0, queue.Queue()] convert.tile_img(test_im...
@pytest.mark.unit @pytest.mark.convert def test_tile_img_pil_serial_png_from_tiff(): 'Test convert.tile_img using a converted TIFF->PNG image, has only 2 dims' helpers.disbale_tqdm() helpers.setup(with_data=True) out_dir = helpers.TEST_PATH test_image = os.path.join(out_dir, 'test_png_from_tiff.pn...
@pytest.mark.unit @pytest.mark.convert def test_tile_img_mpl_fits_serial(): 'Test convmax_percentert.tile_img' helpers.disbale_tqdm() helpers.setup(with_data=True) out_dir = helpers.TEST_PATH test_image = os.path.join(out_dir, 'test_img_for_map.fits') pbar_ref = [0, queue.Queue()] convert....
@pytest.mark.unit @pytest.mark.convert def test_tile_img_mpl_fits_serial_with_fname_kwargs(): 'Test convmax_percentert.tile_img' helpers.disbale_tqdm() helpers.setup(with_data=True) out_dir = helpers.TEST_PATH test_image = os.path.join(out_dir, 'test_img_for_map.fits') pbar_ref = [0, queue.Que...
def test_simplify_mixed_ws(): 'Test convert._simplify_mixed_ws' helpers.disbale_tqdm() helpers.setup(with_data=True) test_lines = ['a b c\n', 'test\tdata stuff\n', 'to test\tstuff\n'] out_file = os.path.join(helpers.DATA_DIR, 'test.cat') with open(out_file, 'w') as f: f.writeline...
@pytest.mark.unit @pytest.mark.convert def test_tile_img_pil_parallel(): 'Test convert.tile_img' helpers.disbale_tqdm() helpers.setup(with_data=True) out_dir = helpers.TEST_PATH test_image = os.path.join(out_dir, 'test_tiling_image.jpg') pbar_ref = [0, queue.Queue()] convert.tile_img(test_...
@pytest.mark.unit @pytest.mark.convert def test_tile_img_mpl_parallel(): 'Test convert.tile_img' helpers.disbale_tqdm() helpers.setup(with_data=True) out_dir = helpers.TEST_PATH test_image = os.path.join(out_dir, 'test_img_for_map.fits') pbar_ref = [0, queue.Queue()] convert.tile_img(test_...
@pytest.mark.unit @pytest.mark.convert @pytest.mark.skipif(condition=(not sys.platform.startswith('linux')), reason='temp fix, need osx/windows artififacts for cbor/pbf files') def test_version_not_hard_coded(): 'Tests that the version in the testing artifacts is not hard coded' helpers.disbale_tqdm() hel...
@pytest.mark.integration @pytest.mark.convert @pytest.mark.skipif(condition=(not sys.platform.startswith('linux')), reason='temp fix, need osx/windows artififacts for cbor/pbf files') @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_files_to_map(): 'Integration test for makin...
@pytest.mark.integration @pytest.mark.convert @pytest.mark.skipif(condition=(not sys.platform.startswith('linux')), reason='temp fix, need osx/windows artififacts for cbor/pbf files') @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_files_to_map_ellipse_markers(): 'Integratio...
@pytest.mark.integration @pytest.mark.convert @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_files_to_map_fails_file_not_found(): 'Integration test for making files into map' helpers.disbale_tqdm() helpers.setup(with_data=True) with_path = (lambda f: os.path.joi...
@pytest.mark.integration @pytest.mark.convert @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_dir_to_map_fails_no_files(): 'Integration test for making files into map' helpers.disbale_tqdm() helpers.setup(with_data=True) with_path = (lambda f: os.path.join(helper...
@pytest.mark.integration @pytest.mark.convert @pytest.mark.skipif(condition=(not sys.platform.startswith('linux')), reason='temp fix, need osx/windows artififacts for cbor/pbf files') @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_dir_to_map(): 'Integration test for making ...
@pytest.mark.integration @pytest.mark.convert @pytest.mark.filterwarnings('ignore:.*:astropy.io.fits.verify.VerifyWarning') def test_dir_to_map_no_markers(): 'Integration test for making files into map' helpers.disbale_tqdm() helpers.setup(with_data=True) with_path = (lambda f: os.path.join(helpers.TE...
@pytest.mark.unit def test_build_digit_to_string(): 'test cartographer.build_digit_to_string' digits = range(10) strings = ['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'] for (expected, actual) in zip(strings, map(u.digit_to_string, digits)): assert (expected =...
@pytest.mark.unit def test_build_digit_to_string_fails(): 'test cartographer.build_digit_to_string' digit = (- 1) with pytest.raises(ValueError) as excinfo: u.digit_to_string(digit) assert ('Only digits 0-9 are supported' in str(excinfo.value))
@pytest.mark.unit def test_make_fname_js_safe_digit(): 'Test the cartographer.make_fname_js_safe functions.' unsafe = '123' expected = 'one23' assert (expected == u.make_fname_js_safe(unsafe))
@pytest.mark.unit def test_make_fname_js_safe_dot_dash(): 'Test the cartographer.make_fname_js_safe functions.' unsafe = 'a.b-c' expected = 'a_dot_b_c' assert (expected == u.make_fname_js_safe(unsafe))
@pytest.mark.unit def test_make_fname_js_safe_no_change(): 'Test the cartographer.make_fname_js_safe functions.' safe = 'abc' expected = 'abc' assert (expected == u.make_fname_js_safe(safe))
@pytest.mark.unit def test_MockQueue(): 'Test the MockQueue class.' bar = tqdm() q = u.MockQueue(bar) q.put(100) assert (q.bar.n == 100)
@pytest.mark.unit def test_backpressure_queue(): 'Test backpressure_queue.' helpers.setup() pbar_ref = (0, u.MockQueue(helpers.MockTQDM())) n_parallel_jobs = 1 f_args = [[None], [None], [None]] hit_all_queue = [False, False, False] wait_one = [True] def wait_f(in_progress: List[Any]):...
def digit_to_string(digit: int) -> str: 'Converts an integer into its word representation' if (digit == 0): return 'zero' elif (digit == 1): return 'one' elif (digit == 2): return 'two' elif (digit == 3): return 'three' elif (digit == 4): return 'four' ...
def make_fname_js_safe(fname: str) -> str: 'Converts a string filename to a javascript safe identifier.' if (fname[0] in string.digits): adj_for_digit = (digit_to_string(int(fname[0])) + fname[1:]) else: adj_for_digit = fname return adj_for_digit.replace('.', '_dot_').replace('-', '_')...
def get_fits_image_size(fits_file: str) -> Tuple[(int, int)]: 'Returns image size (x, y)\n\n Args:\n fits_file (str): fits file path\n\n Returns:\n Tuple[int, int]: returns the x and y dims of the input file\n ' hdr = fits.getheader(fits_file) return (hdr['NAXIS1'], hdr['NAXIS2'])
def get_standard_image_size(image_file: str) -> Tuple[(int, int)]: 'Returns image size (x, y)\n\n Args:\n image_file (str): image file path\n\n Returns:\n Tuple[int, int]: returns the x and y dims of the input file\n ' with Image.open(image_file) as f: size = f.size return s...
def peek_image_info(img_file_names: List[str]) -> Tuple[(int, int)]: 'Gets image size values given passed image file names\n\n Args:\n img_file_names (List[str]): Input image files that are being tiled\n\n Returns:\n Tuple[int, int]: The `max x`, and `max y`\n ' fits_sizes = list(map(ge...
def get_version(): with open(os.path.join(fitsmap.__path__[0], '__version__.py'), 'r') as f: return f.readline().strip().replace('"', '')
def backpressure_queue(wait_f: Callable, work_f: Callable, f_args: List[List[Any]], pbar_ref: Tuple[(int, queue.Queue)], n_parallel_jobs: int, batch_size: int=1) -> None: 'A queue that will limit things processed in parallel.\n\n Args:\n wait_f (Callable): A function that will block until a process is f...
class MockQueue(): def __init__(self, bar): self.bar = bar def put(self, n): self.bar.update(n=n)
def read(fname): 'Helper for README file.' return open(os.path.join(os.path.dirname(__file__), fname)).read()
def parse_args(): modify_args() parser = argparse.ArgumentParser(description='Generation demo') parser.add_argument('config', help='test config file path') parser.add_argument('checkpoint', help='checkpoint file') parser.add_argument('img_path', help='path to input image file') parser.add_argu...
def main(): args = parse_args() model = init_model(args.config, args.checkpoint, device=torch.device('cuda', args.device)) output = generation_inference(model, args.img_path, args.unpaired_path) mmcv.imwrite(output, args.save_path) if args.imshow: mmcv.imshow(output, 'predicted generation ...
def parse_args(): parser = argparse.ArgumentParser(description='Matting demo') parser.add_argument('config', help='test config file path') parser.add_argument('checkpoint', help='checkpoint file') parser.add_argument('img_path', help='path to input image file') parser.add_argument('trimap_path', h...
def main(): args = parse_args() model = init_model(args.config, args.checkpoint, device=torch.device('cuda', args.device)) pred_alpha = (matting_inference(model, args.img_path, args.trimap_path) * 255) mmcv.imwrite(pred_alpha, args.save_path) if args.imshow: mmcv.imshow(pred_alpha, 'predic...
def parse_args(): modify_args() parser = argparse.ArgumentParser(description='Restoration demo') parser.add_argument('config', help='test config file path') parser.add_argument('checkpoint', help='checkpoint file') parser.add_argument('img-path', help='path to input image file') parser.add_arg...
def main(): args = parse_args() if (not os.path.isfile(args.img_path)): raise ValueError('It seems that you did not input a valid "image_path". Please double check your input, or you may want to use "restoration_video_demo.py" for video restoration.') if (args.ref_path and (not os.path.isfile(args...
def parse_args(): modify_args() parser = argparse.ArgumentParser(description='Restoration demo') parser.add_argument('config', help='test config file path') parser.add_argument('checkpoint', help='checkpoint file') parser.add_argument('img_path', help='path to input image file') parser.add_arg...
def main(): args = parse_args() if (not os.path.isfile(args.img_path)): raise ValueError('It seems that you did not input a valid "image_path". Please double check your input, or you may want to use "restoration_video_demo.py" for video restoration.') model = init_model(args.config, args.checkpoin...
def parse_args(): modify_args() parser = argparse.ArgumentParser(description='Restoration demo') parser.add_argument('config', help='test config file path') parser.add_argument('checkpoint', help='checkpoint file') parser.add_argument('input_dir', help='directory of the input video') parser.ad...
def main(): " Demo for video interpolation models.\n\n Note that we accept video as input(output), when 'input_dir'('output_dir')\n is set to the path to the video. But using videos introduces video\n compression, which lower the visual quality. If you want actual quality,\n please save them as separa...
def builder_inited_handler(app): subprocess.run(['bash', './merge_docs.sh']) subprocess.run(['python', './stat.py'])
def setup(app): app.connect('builder-inited', builder_inited_handler)
def anchor(name): return re.sub('-+', '-', re.sub('[^a-zA-Z0-9\\+]', '-', name.strip().lower())).strip('-')
def builder_inited_handler(app): subprocess.run(['./merge_docs.sh']) subprocess.run(['./stat.py'])
def setup(app): app.connect('builder-inited', builder_inited_handler)
def anchor(name): return re.sub('-+', '-', re.sub('[^a-zA-Z0-9\\+]', '-', name.strip().lower())).strip('-')
def generation_inference(model, img, img_unpaired=None): 'Inference image with the model.\n\n Args:\n model (nn.Module): The loaded model.\n img (str): File path of input image.\n img_unpaired (str, optional): File path of the unpaired image.\n If not None, perform unpaired imag...
def inpainting_inference(model, masked_img, mask): 'Inference image with the model.\n\n Args:\n model (nn.Module): The loaded model.\n masked_img (str): File path of image with mask.\n mask (str): Mask file path.\n\n Returns:\n Tensor: The predicted inpainting result.\n ' ...
def init_model(config, checkpoint=None, device='cuda:0'): "Initialize a model from config file.\n\n Args:\n config (str or :obj:`mmcv.Config`): Config file path or the config\n object.\n checkpoint (str, optional): Checkpoint path. If left as None, the model\n will not load ...
def matting_inference(model, img, trimap): 'Inference image(s) with the model.\n\n Args:\n model (nn.Module): The loaded model.\n img (str): Image file path.\n trimap (str): Trimap file path.\n\n Returns:\n np.ndarray: The predicted alpha matte.\n ' cfg = model.cfg dev...
def restoration_inference(model, img, ref=None): 'Inference image with the model.\n\n Args:\n model (nn.Module): The loaded model.\n img (str): File path of input image.\n ref (str | None): File path of reference image. Default: None.\n\n Returns:\n Tensor: The predicted restorat...
def single_gpu_test(model, data_loader, save_image=False, save_path=None, iteration=None): 'Test model with a single gpu.\n\n This method tests model with a single gpu and displays test progress bar.\n\n Args:\n model (nn.Module): Model to be tested.\n data_loader (nn.Dataloader): Pytorch data...
def multi_gpu_test(model, data_loader, tmpdir=None, gpu_collect=False, save_image=False, save_path=None, iteration=None, empty_cache=False): "Test model with multiple gpus.\n\n This method tests model with multiple gpus and collects the results\n under two different modes: gpu and cpu modes. By setting 'gpu...
def collect_results_cpu(result_part, size, tmpdir=None): "Collect results in cpu mode.\n\n It saves the results on different gpus to 'tmpdir' and collects\n them by the rank 0 worker.\n\n Args:\n result_part (list): Results to be collected\n size (int): Result size.\n tmpdir (str): P...
def collect_results_gpu(result_part, size): 'Collect results in gpu mode.\n\n It encodes results to gpu tensors and use gpu communication for results\n collection.\n\n Args:\n result_part (list): Results to be collected\n size (int): Result size.\n\n Returns:\n list: Ordered resul...
def init_random_seed(seed=None, device='cuda'): "Initialize random seed.\n If the seed is not set, the seed will be automatically randomized,\n and then broadcast to all processes to prevent some potential bugs.\n Args:\n seed (int, Optional): The seed. Default to None.\n device (str): The ...
def set_random_seed(seed, deterministic=False): 'Set random seed.\n\n Args:\n seed (int): Seed to be used.\n deterministic (bool): Whether to set the deterministic option for\n CUDNN backend, i.e., set `torch.backends.cudnn.deterministic`\n to True and `torch.backends.cudnn....
def train_model(model, dataset, cfg, distributed=False, validate=False, timestamp=None, meta=None): 'Train model entry function.\n\n Args:\n model (nn.Module): The model to be trained.\n dataset (:obj:`Dataset`): Train dataset.\n cfg (dict): The config dict for training.\n distribut...
def _dist_train(model, dataset, cfg, validate=False, logger=None, timestamp=None, meta=None): 'Distributed training function.\n\n Args:\n model (nn.Module): The model to be trained.\n dataset (:obj:`Dataset`): Train dataset.\n cfg (dict): The config dict for training.\n validate (bo...
def _non_dist_train(model, dataset, cfg, validate=False, logger=None, timestamp=None, meta=None): 'Non-Distributed training function.\n\n Args:\n model (nn.Module): The model to be trained.\n dataset (:obj:`Dataset`): Train dataset.\n cfg (dict): The config dict for training.\n vali...
def read_image(filepath): 'Read image from file.\n\n Args:\n filepath (str): File path.\n\n Returns:\n image (np.array): Image.\n ' img_bytes = FILE_CLIENT.get(filepath) image = mmcv.imfrombytes(img_bytes, flag='color', channel_order='rgb', backend='pillow') return image
def read_frames(source, start_index, num_frames, from_video, end_index): 'Read frames from file or video.\n\n Args:\n source (list | mmcv.VideoReader): Source of frames.\n start_index (int): Start index of frames.\n num_frames (int): frames number to be read.\n from_video (bool): We...
def video_interpolation_inference(model, input_dir, output_dir, start_idx=0, end_idx=None, batch_size=4, fps_multiplier=0, fps=0, filename_tmpl='{:08d}.png'): "Inference image with the model.\n\n Args:\n model (nn.Module): The loaded model.\n input_dir (str): Directory of the input video.\n ...
@MODULE_WRAPPERS.register_module() class DistributedDataParallelWrapper(nn.Module): "A DistributedDataParallel wrapper for models in MMediting.\n\n In MMedting, there is a need to wrap different modules in the models\n with separate DistributedDataParallel. Otherwise, it will cause\n errors for GAN train...
class EvalIterHook(Hook): 'Non-Distributed evaluation hook for iteration-based runner.\n\n This hook will regularly perform evaluation in a given interval when\n performing in non-distributed environment.\n\n Args:\n dataloader (DataLoader): A PyTorch dataloader.\n interval (int): Evaluatio...
class DistEvalIterHook(EvalIterHook): 'Distributed evaluation hook.\n\n Args:\n dataloader (DataLoader): A PyTorch dataloader.\n interval (int): Evaluation interval. Default: 1.\n tmpdir (str | None): Temporary directory to save the results of all\n processes. Default: None.\n ...
def gaussian(x, sigma): 'Gaussian function.\n\n Args:\n x (array_like): The independent variable.\n sigma (float): Standard deviation of the gaussian function.\n\n Return:\n ndarray or scalar: Gaussian value of `x`.\n ' return (np.exp(((- (x ** 2)) / (2 * (sigma ** 2)))) / (sigma...
def dgaussian(x, sigma): 'Gradient of gaussian.\n\n Args:\n x (array_like): The independent variable.\n sigma (float): Standard deviation of the gaussian function.\n\n Return:\n ndarray or scalar: Gradient of gaussian of `x`.\n ' return (((- x) * gaussian(x, sigma)) / (sigma ** 2...
def gauss_filter(sigma, epsilon=0.01): 'Gradient of gaussian.\n\n Args:\n sigma (float): Standard deviation of the gaussian kernel.\n epsilon (float): Small value used when calculating kernel size.\n Default: 1e-2.\n\n Return:\n tuple[ndarray]: Gaussian filter along x and y a...
def gauss_gradient(img, sigma): 'Gaussian gradient.\n\n From https://www.mathworks.com/matlabcentral/mlc-downloads/downloads/\n submissions/8060/versions/2/previews/gaussgradient/gaussgradient.m/\n index.html\n\n Args:\n img (ndarray): Input image.\n sigma (float): Standard deviation of ...
def inference_with_session(sess, io_binding, output_names, input_tensor): device_type = input_tensor.device.type device_id = input_tensor.device.index device_id = (0 if (device_id is None) else device_id) io_binding.bind_input(name='input', device_type=device_type, device_id=device_id, element_type=np...
class ONNXRuntimeMattor(nn.Module): def __init__(self, sess, io_binding, output_names, base_model): super(ONNXRuntimeMattor, self).__init__() self.sess = sess self.io_binding = io_binding self.output_names = output_names self.base_model = base_model def forward(self, ...
class RestorerGenerator(nn.Module): def __init__(self, sess, io_binding, output_names): super(RestorerGenerator, self).__init__() self.sess = sess self.io_binding = io_binding self.output_names = output_names def forward(self, x): pred = inference_with_session(self.se...
class ONNXRuntimeRestorer(nn.Module): def __init__(self, sess, io_binding, output_names, base_model): super(ONNXRuntimeRestorer, self).__init__() self.sess = sess self.io_binding = io_binding self.output_names = output_names self.base_model = base_model restorer_ge...
class ONNXRuntimeEditing(nn.Module): def __init__(self, onnx_file, cfg, device_id): super(ONNXRuntimeEditing, self).__init__() ort_custom_op_path = '' try: from mmcv.ops import get_onnxruntime_op_path ort_custom_op_path = get_onnxruntime_op_path() except (I...
@HOOKS.register_module() class ExponentialMovingAverageHook(Hook): "Exponential Moving Average Hook.\n\n Exponential moving average is a trick that widely used in current GAN\n literature, e.g., PGGAN, StyleGAN, and BigGAN. This general idea of it is\n maintaining a model with the same architecture, but ...
def build_optimizers(model, cfgs): "Build multiple optimizers from configs.\n\n If `cfgs` contains several dicts for optimizers, then a dict for each\n constructed optimizers will be returned.\n If `cfgs` only contains one optimizer config, the constructed optimizer\n itself will be returned.\n\n F...
@HOOKS.register_module() class LinearLrUpdaterHook(LrUpdaterHook): "Linear learning rate scheduler for image generation.\n\n In the beginning, the learning rate is 'base_lr' defined in mmcv.\n We give a target learning rate 'target_lr' and a start point 'start'\n (iteration / epoch). Before 'start', we f...
def sync_random_seed(seed=None, device='cuda'): "Make sure different ranks share the same seed.\n All workers must call this function, otherwise it will deadlock.\n This method is generally used in `DistributedSampler`,\n because the seed should be identical across all processes\n in the distributed g...
class BaseDataset(Dataset, metaclass=ABCMeta): 'Base class for datasets.\n\n All datasets should subclass it.\n All subclasses should overwrite:\n\n ``load_annotations``, supporting to load information and generate\n image lists.\n\n Args:\n pipeline (list[dict | callable]): A sequen...
class BaseGenerationDataset(BaseDataset): 'Base class for generation datasets.' @staticmethod def scan_folder(path): 'Obtain image path list (including sub-folders) from a given folder.\n\n Args:\n path (str | :obj:`Path`): Folder path.\n\n Returns:\n list[str]...
@DATASETS.register_module() class BaseMattingDataset(BaseDataset): 'Base image matting dataset.\n ' def __init__(self, ann_file, pipeline, data_prefix=None, test_mode=False): super().__init__(pipeline, test_mode) self.ann_file = str(ann_file) self.data_prefix = str(data_prefix) ...
class BaseSRDataset(BaseDataset): 'Base class for super resolution datasets.\n ' def __init__(self, pipeline, scale, test_mode=False): super().__init__(pipeline, test_mode) self.scale = scale @staticmethod def scan_folder(path): 'Obtain image path list (including sub-folde...
class BaseVFIDataset(BaseDataset): 'Base class for video frame interpolation datasets.\n ' def __init__(self, pipeline, folder, ann_file, test_mode=False): super().__init__(pipeline, test_mode) self.folder = str(folder) self.ann_file = str(ann_file) def __getitem__(self, idx):...
def _concat_dataset(cfg, default_args=None): 'Concat datasets with different ann_file but the same type.\n\n Args:\n cfg (dict): The config of dataset.\n default_args (dict, optional): Default initialization arguments.\n Default: None.\n\n Returns:\n Dataset: The concatenated...
def build_dataset(cfg, default_args=None): 'Build a dataset from config dict.\n\n It supports a variety of dataset config. If ``cfg`` is a Sequential (list\n or dict), it will be a concatenated dataset of the datasets specified by\n the Sequential. If it is a ``RepeatDataset``, then it will repeat the\n ...
def build_dataloader(dataset, samples_per_gpu, workers_per_gpu, num_gpus=1, dist=True, shuffle=True, seed=None, drop_last=False, pin_memory=True, persistent_workers=True, **kwargs): 'Build PyTorch DataLoader.\n\n In distributed training, each GPU/process has a dataloader.\n In non-distributed training, ther...
def worker_init_fn(worker_id, num_workers, rank, seed): 'Function to initialize each worker.\n\n The seed of each worker equals to\n ``num_worker * rank + worker_id + user_seed``.\n\n Args:\n worker_id (int): Id for each worker.\n num_workers (int): Number of workers.\n rank (int): R...