!7

static int width = 8, y1 = 3, y2 = 4;

p-exp {
  L<RGBImageAndRect> images = markedFaces_scaledToWidth(width);

  Recognizer recognizer = new {
    public Rect get(RGBImage img) {
      print(f2s(img.file));
      RGBImage img2 = rgbClipLineRange(img, y1, y2);
      float[] f = rgbImageColumnBrightnesses(img2);
      printStruct(f);
      int x = indexOfSmallestFloat(f);
      ret rectFromPoints(x-1, y1, x+1, y2);
    }
  };
  
  new Scorer scorer;
  double tolerance = width/2.0;
  for (RGBImageAndRect i : images) {
    Rect guessed = recognizer.get(i.image);
    print(i.rect + " - " + guessed);
    video_scoreRect_x(scorer, i.rect, guessed, tolerance);
  }
  print(scorer);
}

abstract sclass Recognizer extends F1<RGBImage, Rect> {}