int red = new long[256];
int blue = new long[256];
int green = new long[256];

for (int y = 0; y < image.getImage().getHeight(); y++) {
            for (int x = 0; x < image.getImage().getWidth(); x++) {
                int redCount = (int)(pr.getColor(x, y).getRed()*255);
                int blueCount = (int)(pr.getColor(x, y).getBlue()*255);
                int greenCount = (int)(pr.getColor(x, y).getGreen()*255);
                int averageCount = ((int)(pr.getColor(x, y).getGreen()*255) +
                                   (int)(pr.getColor(x, y).getRed()*255) +
                                   (int)(pr.getColor(x, y).getBlue()*255))/3;

                red[redCount]++;
                blue[blueCount]++;
                green[greenCount]++;

                rgb3[averageCount]++;
            }
        }
    }