How to check if two images are similar or not using openCV in java?

Question

I have to check if two images are similar or not in java using OpenCV, I am using OpenCV for that and using ORB

Here is my main class

System.out.println(         


        

Answer 1

Matcher only search for nearest match of keypoints graph. For measure difference you need use (average) sum (or other metric) of distances.