OpenCV feature detection and tracking

Wrote some utter shit code to get started with tracking via feature detection. Probably not the best way to go about the business.

Click on the screen to pick the green dot to follow

Uses the ORB feature finder. Each feature then has a descriptor and does brute force search to find best one.

Needs a lot more to be useful for anything. Suggestions: reject outliers, take best k matches and pick closest one to previous match, maintain a set of best current descriptors.

This is another approach to following something, but I’m not sure it is a great one.





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