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Computer Vision with Python 3 by Saurabh Kapur

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oFAST – FAST keypoint orientation

FAST is a feature detection algorithm that is widely recognized due to its fast computation properties. It doesn't propose a descriptor to uniquely identify features. Moreover, it does not have any orientation component, so it performs poorly to in-plane rotation and scale changes. We will take a look at how ORB added an orientation component to FAST features.

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