def validate_boxes(boxes, width=0, height=0):
  """Check that a set of boxes are valid."""
  x1 = boxes[:, 0]
  y1 = boxes[:, 1]
  x2 = boxes[:, 2]
  y2 = boxes[:, 3]
  assert (x1 >= 0).all()
  assert (y1 >= 0).all()
  assert (x2 >= x1).all()
  assert (y2 >= y1).all()
  assert (x2 < width).all()
  assert (y2 < height).all()
Check that a set of boxes are valid.
lib/datasets/ds_utils.py