Assertion failed while drawing match Key Points BF BRISK+FREAK...

Having a hard time finding any tutorials/examples for the FREAK feature extractor...

FREAK Descriptor with Opencv Python...

Why does opencv FREAK extractor remove so many keypoints, specifically using ORB detector...

OpenCV FREAK: Fast Retina KeyPoint descriptor...

How is defined the Freak descriptor pattern...

Freak Descriptor Row type...

Convert a row of cv::Mat to an int...

OpenCV FREAK returns too many outliers...

Cannot find FREAK detector in OpenCV...