final FImage chessboard = ImageUtilities.readF(new URL("http://www.ugcs.caltech.edu/~rajan/REPORT/camera.jpg")); final HoughLines hlines = new HoughLines(1.f); chessboard.process(new CannyEdgeDetector()).analyseWith(hlines);
final HoughLines hl = new HoughLines(360 * this.accuracy); edgeImage.analyseWith(hl);
final HoughLines hl = new HoughLines(360 * this.accuracy); edgeImage.analyseWith(hl);