private Point autoRecognize(final BufferedImage image) {
final CircleHoughTransform cht =
new CircleHoughTransform(image, backgroundColor, minRadius, maxRadius, 1);
cht.performHoughTransform();
final Circle circle = cht.findOpenCircle(threshold);
if (circle != null) {
return new Point(circle.x(), circle.y());
} else {
return null;
}
}
