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