static ImageWithProtos imageWithProtos_segment(IF1<BufferedImage, L<Rect>> segmenter, BufferedImage img, O... _) {
  if (img == null || segmenter == null) null;
  long time = sysNow();
  ImageWithProtos info = nu(optPar iwpClass(_, ImageWithProtos));
  info.image = img;
  info.segments = map(segmenter.get(img), r -> nuObject(optPar segmentClass(_, BWImageAndRect), r));
  done2_always(time, "Make " + nSegments(info.segments));
  ret info;
}