@Test
public void testPerspectiveTransform() {

  opencv_core.Mat src = LaneManager.readImage(getResourcePath(TEST_IMAGE));
  opencv_core.Mat warped = LaneManager.perspectiveTransform(
      src, LaneManager.SOURCE_POINTS, LaneManager.getToPoints(TEST_IMAGE_WIDTH, TEST_IMAGE_HEIGHT));
  assertTrue(LaneManager.writeImage("/tmp/robocar_warped.jpg", warped));
}