OpenCV filtering ORB matches

Question

I am using the ORB feature detector to find matches between two images using this code:

    FeatureDetector detector = FeatureDetector.create(FeatureDetector         


        

Answer 1

After reading Rober Langaniere book. I came to know there is a way. It is to remove matches with the further distances. In java, it is as following

Collections.sort(bestMatches,new Comparator() {
        @Override
        public int compare(DMatch o1, DMatch o2) {
            if(o1.distanceo2.distance)
                return 1;
            return 0;
        }
    });
    if(bestMatches.size()>3){
        bestMatches = bestMatches.subList(0,3);
    }