Utility function to return the image net label for the final `dense` layer output index.

    Args:
        indices: Could be a single value or an array of indices whose labels should be looked up.

    Returns:
        Image net label corresponding to the image category.

def lookup_imagenet_labels(indices):
    """Utility function to return the image net label for the final `dense` layer output index.

    Args:
        indices: Could be a single value or an array of indices whose labels should be looked up.

    Returns:
        Image net label corresponding to the image category.
    """
    global _CLASS_INDEX
    if _CLASS_INDEX is None:
        with open(os.path.join(os.path.dirname(__file__), '../../resources/imagenet_class_index.json')) as f:
            _CLASS_INDEX = json.load(f)

    indices = listify(indices)
    return [_CLASS_INDEX[str(idx)][1] for idx in indices]