コード例 #1
0
ファイル: coco.py プロジェクト: ayoolaolafenwa/PixelLib
    import datasets  # noqa # add pre-defined metadata
    import sys

    logger = setup_logger(name=__name__)
    assert sys.argv[3] in DatasetCatalog.list()
    meta = MetadataCatalog.get(sys.argv[3])

    dicts = load_coco_json(sys.argv[1], sys.argv[2], sys.argv[3])
    logger.info("Done loading {} samples.".format(len(dicts)))

    dirname = "coco-data-vis"
    os.makedirs(dirname, exist_ok=True)
    for d in dicts:
        img = np.array(Image.open(d["file_name"]))
        visualizer = Visualizer(img, metadata=meta)
        vis = visualizer.draw_dataset_dict(d)
        fpath = os.path.join(dirname, os.path.basename(d["file_name"]))
        vis.save(fpath)


class RotatedBoxes(Boxes):
    """
    This structure stores a list of rotated boxes as a Nx5 torch.Tensor.
    It supports some common methods about boxes
    (`area`, `clip`, `nonempty`, etc),
    and also behaves like a Tensor
    (support indexing, `to(device)`, `.device`, and iteration over all boxes)
    """
    def __init__(self, tensor: torch.Tensor):
        """
        Args: