I'm developing a project in android for image comparison. The images can be in any scale / rotation. I did some tests with my current project, but the results are not good. I thought to do beyond the keypoints matching, a histogram matching. Can anyone help me?
Images for comparison (example):
Image1:
Image2:
My Code:
FeatureDetector detector = FeatureDetector.create(FeatureDetector.ORB);
DescriptorExtractor extractor = DescriptorExtractor.create(DescriptorExtractor.ORB);
DescriptorMatcher matcher = DescriptorMatcher.create(DescriptorMatcher.BRUTEFORCE_HAMMING);
Mat img1 = Imgcodecs.imread(teste,Imgcodecs.CV_LOAD_IMAGE_COLOR);
Mat descriptors1 = new Mat();
MatOfKeyPoint keypoints1 = new MatOfKeyPoint();
detector.detect(img1, keypoints1);
extractor.compute(img1, keypoints1, descriptors1);
Mat img2 = Imgcodecs.imread(file,Imgcodecs.CV_LOAD_IMAGE_COLOR);
Mat descriptors2 = new Mat();
MatOfKeyPoint keypoints2 = new MatOfKeyPoint();
detector.detect(img2, keypoints2);
extractor.compute(img2, keypoints2, descriptors2);
MatOfDMatch matches = new MatOfDMatch();
matcher.match(descriptors1,descriptors2,matches);
int distLimit = 80;
List matchesList = matches.toList();
List goodMatches= new ArrayList();
for(int i=0; i
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