public static void main(String[] args) {
System.loadLibrary("opencv_java2410");
Mat src = Highgui.imread("img/hx_30.jpg", 0);
Mat dst = new Mat();
Imgproc.equalizeHist(src, dst);
Highgui.imwrite("out/hx_30_src.jpg", src);
Highgui.imwrite("out/hx_30.jpg", dst);
}
public static Mat Histogram(Mat im) {
Mat img = im;
Mat equ = new Mat();
img.copyTo(equ);
// Imgproc.blur(equ, equ, new Size(3, 3));
Imgproc.cvtColor(equ, equ, Imgproc.COLOR_BGR2YCrCb);
List<Mat> channels = new ArrayList<Mat>();
Core.split(equ, channels);
Imgproc.equalizeHist(channels.get(0), channels.get(0));
Core.merge(channels, equ);
Imgproc.cvtColor(equ, equ, Imgproc.COLOR_YCrCb2BGR);
Mat gray = new Mat();
Imgproc.cvtColor(equ, gray, Imgproc.COLOR_BGR2GRAY);
Mat grayOrig = new Mat();
Imgproc.cvtColor(img, grayOrig, Imgproc.COLOR_BGR2GRAY);
System.out.println("Histogram work ///");
return grayOrig;
}