Javacv ObjectFinder. Поиск шаблона

public void trackTemplate(IplImage object, IplImage image){
        ObjectFinder.Settings settings = new ObjectFinder.Settings();
        settings.setObjectImage(object);
        settings.setUseFLANN(true);
        settings.setDescriptorChannels(3);
        settings.setRansacReprojThreshold(4);
        ObjectFinder finder = new ObjectFinder(settings);
 
        long start = System.currentTimeMillis();
        double[] dst_corners = finder.find(image);
        System.out.println(dst_corners.length);
        System.out.println("Finding time = " + (System.currentTimeMillis() - start) + " ms");
        if (dst_corners !=  null) {
            for (int i = 0; i < 4; i++) {
                int j = (i+1)%4;
                int x1 = (int)Math.round(dst_corners[2*i    ]);
                int y1 = (int)Math.round(dst_corners[2*i + 1]);
                int x2 = (int)Math.round(dst_corners[2*j    ]);
                int y2 = (int)Math.round(dst_corners[2*j + 1]);
                line(cvarrToMat(image), new opencv_core.Point(x1, y1),
                        new opencv_core.Point(x2, y2),
                        Scalar.RED, 3, 8, 0);
            }
        }
    }