static BufferedImage minFilterBufferedImage(BufferedImage img) { ret MinimumFilter(1).get(img); } static BufferedImage minFilterBufferedImage(int radius, BufferedImage img) { ret MinimumFilter(radius).get(img); } static BufferedImage minFilterBufferedImage(int hradius, int vradius, BufferedImage img) { ret MinimumFilter(hradius, vradius).get(img); }