Complete guide using SURF feature detector

Basically one of the most interesting built in algorithms in OpenCV are feature detectors. In this tutorial I will cover only SURF algorithm, but be aware SURF and SIFT algorithm is not free, and shouldn't be used for commercial purposes only educational. Hopefully you will be able to modify the codefor other feature detectors as well (the free ones), like ORB, FAST, MSER, STAR, BRIEF etc.

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