pb = new ParameterBlock();
pb.addSource(monochrome);
pb.addSource(abImage);
PlanarImage maskImage = JAI.create("BandMerge", pb, layoutHints);
colorSelectionMask = new RGBColorSelectionMaskOpImage(maskImage, getColorSelection(), null);
ParameterBlock maskPB;
// KernelJAI morph = new KernelJAI(3, 3, new float[]{1, 1, 1, 1, 1, 1, 1, 1, 1});
//