//sharpen with 3x3, 5x5 and 7x7 public void onMatrixSharpen() { Bitmap tmp1, tmp2, tmp3; Bitmap[] arr = new Bitmap[3]; tmp1 = (Bitmap)model.getImage().Clone(); tmp2 = (Bitmap)model.getImage().Clone(); tmp3 = (Bitmap)model.getImage().Clone(); arr[0] = Sharpen.FilterSharpen3(tmp1); arr[1] = Sharpen.FilterSharpen5(tmp2); arr[2] = Sharpen.FilterSharpen7(tmp3); model.setChannels(arr); view.showPictures(model.getImage(), model.getChannels()); }