Function is_valid_box_values

monai/data/box_utils.py:723–737

This function checks whether the box size is non-negative. Args: boxes: bounding boxes, Nx4 or Nx6 torch tensor or ndarray. The box mode is assumed to be ``StandardMode`` Returns: whether ``boxes`` is valid

(boxes: NdarrayOrTensor)

def is_valid_box_values(boxes: NdarrayOrTensor) -> bool:
    """
    This function checks whether the box size is non-negative.

    Args:
        boxes: bounding boxes, Nx4 or Nx6 torch tensor or ndarray. The box mode is assumed to be ``StandardMode``

    Returns:
        whether ``boxes`` is valid
    """
    spatial_dims = get_spatial_dims(boxes=boxes)
    for axis in range(spatial_dims):
        if (boxes[:, spatial_dims + axis] < boxes[:, axis]).sum() > 0:
            return False
    return True


def box_area(boxes: NdarrayOrTensor) -> NdarrayOrTensor: