Top "Feature-descriptor" questions

How to apply RANSAC on SURF, SIFT and ORB matching results

I'm working on image processing. I want to match 2D Features and I did many tests on SURF, SIFT, ORB.…

opencv feature-extraction orb ransac feature-descriptor

OpenCV - Use FLANN with ORB descriptors to match features

I am using OpenCV 3.2 I am trying to use FLANN to match features descriptors in a faster way than brute …

c++ opencv orb flann feature-descriptor

How to train HOG and use my HOGDescriptor?

I want to training data and use HOG algorithm to detect pedestrian. Now I can use defaultHog.setSVMDetector(HOGDescriptor::getDefaultPeopleDetector()); …

opencv histogram feature-descriptor

OpenCV FREAK: Fast Retina KeyPoint descriptor

I am developing an application which involves the use of Freak descriptors, just released in the OpenCV2.4.2 version. In the …

opencv feature-descriptor freak

Printing values of keypoint descriptor matrix opencv

I'm having some trouble printing the values of the descriptor matrix obtained through the use of the 'compute' method of …

c++ opencv matrix unsigned-char feature-descriptor

OpenCV - RobustMatcher using findHomography

I've implement a Robust matcher found on the internet based on differents tests : symmetry test, Ratio Test and RANSAC test. …

c++ opencv matching feature-descriptor