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Sergey Sharybin
36c2ce87d1
Add an example application of homography matrix estimation from a 2D euclidean correspondences which is done in two steps: - Coarse algebraic estimation - Fine refinement using Ceres minimizer Nothing terribly exciting apart from an example of how to use user callbacks. User callback is used here to stop minimizer when average of symmetric geometric distance becomes good enough. This might be arguable whether it's the best way to go (in some cases you would want to stop minimizer when maximal symmetric distance is lower than a threshold) but for a callback usage example it's good enough to stick to current logic. Change-Id: I60c8559cb10b001a0eb64ab71920c08bd68455b8