SIFT

-Djava.library.path=libs

 

 

public static void main(String[] args) {
        System.loadLibrary(org.opencv.core.Core.NATIVE_LIBRARY_NAME);
        SIFT sift = SIFT.create();
        String imgPath = "/Users/doo/project/doo/common/src/main/java/com/bbongdoo/doo/images/guin.jpeg";
        Mat img1 = Imgcodecs.imread(imgPath, Imgcodecs.IMREAD_GRAYSCALE);
        MatOfKeyPoint kpts1 = new MatOfKeyPoint();
        Mat desc1 = new Mat();

        sift.detectAndCompute(img1, new Mat(), kpts1, desc1);

        System.out.println("Found n. keypoints: " + kpts1.size());
        KeyPoint[] keyPoints = kpts1.toArray();
        for (int i = 0; i < keyPoints.length; i++) {
            KeyPoint kp = keyPoints[i];
            System.out.println(i + ": pt " + kp.pt
                    + ", size = " + kp.size
                    + ", angle = " + kp.angle
                    + ", octave = " + kp.octave);
        }
    }