srecord noeq BlurredBufferedImageFromIntegralImage(IIntegralImage img, int blurw, int blurh) {
  BufferedImage result;
  
  *(IIntegralImage img, int blurw) {
    this(img, blurw, blurw);
  }
  
  BufferedImage get() {
    int[] pixels = img cast IntegralImage
      ? blurredPixelsFromIntegralImage(blurw, blurh, img)
      : blurredPixelsFromIntegralImage(blurw, blurh, img);
    ret result = bufferedImage(img.w()-blurw, img.h()-blurh, pixels);
  }
  
  public IIntegralImage blurringSrcImage() { ret img; }
}