feature-extraction - w3toppers.com

How to save OpenCV Keypoint features to database?

In my opinion the most universal way to store the keypoints is to first convert them to a data-interchange format like JSON. After you are able to do that conversion you have a lot of flexibility to store it. JSON is easily converted to a String and/or sent through a network connection. With OpenCV C++ … Read more

Are there any fast alternatives to SURF and SIFT for scale-invariant feature extraction?

Although you already choose BRISK, you might find FREAK interesting. Author claims to have better results than BRISK and ORB. I should also add that ORB is scale-invariant but has some problems in that area. So I would still recommend it for someone to try it. The FREAK source code is compatible with OpenCV (how … Read more