How to use

invert

method

in

boofcv.alg.filter.binary.BinaryImageOps

for (int i = 0; i < list.size(); i++) {
  GrayU8 binary = manager.loadBinaryImage(list.get(i).id);
  BinaryImageOps.invert(binary, binary);
  PixelMath.multiply(binary, 255, 0, 255, binary);
  detector.addPatternImage(binary, 125, list.get(i).sideLength);