@Test
	public void testSmooth() {
		EdgeFinder edges = new EdgeFinder();
		double[][] smoothedGray = edges.graySmooth(testImage);
		try {
			for(int i = 0; i < smoothedGray.length; ++i) {
				assertArrayEquals(testImageSmoothedGray[i], smoothedGray[i], 0.5);
			}
		} finally {
			System.out.println("Smoothed Gray Expected:");
			System.out.println(Arrays.deepToString(testImageSmoothedGray));
			System.out.println("Smoothed Gray Actual:");
			System.out.println(Arrays.deepToString(smoothedGray));
		}
	}