Mine

	protected void populateEdges(int tolerance, int incrementation)
			throws InterruptedException {
		short[][][] original = theColorScriptable.getColorMap();
		short[][][] originalSlice = new short[width][height][3];
		for (int x = 0; x < width; x++) {
			for (int y = 0; y < height; y++) {
				originalSlice[x][y][0] = original[x + xStart][y + yStart][0];
				originalSlice[x][y][1] = original[x + xStart][y + yStart][1];
				originalSlice[x][y][2] = original[x + xStart][y + yStart][2];
			}
		}
		original = null;
		theColorScriptable.waitTillNextFrame();
		short[][][] next = theColorScriptable.getColorMap();
		short[][][] nextSlice = new short[width][height][3];
		for (int x = 0; x < width; x++) {
			for (int y = 0; y < height; y++) {
				nextSlice[x][y][0] = next[x + xStart][y + yStart][0];
				nextSlice[x][y][1] = next[x + xStart][y + yStart][1];
				nextSlice[x][y][2] = next[x + xStart][y + yStart][2];
			}
		}
		next = null;
		for (int x = 0; x < width; x += incrementation)
			for (int y = 0; y < height; y += incrementation) {
				if (originalSlice[x][y][0] != nextSlice[x][y][0]
						|| originalSlice[x][y][1] != nextSlice[x][y][1]
						|| originalSlice[x][y][2] != nextSlice[x][y][2]) {
					GameScreenEdges[x][y] = true;
				}
			}
	}