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OpenCV – convert projection matrix to maps

Filed under: Uncategorized — Tags: , , , , , — admin @ 2013-07-12 11:22

I created an application for a target hit evaluation using a webcam. The camera is never vertical to the target so there is a significant perspective distortion and I need a bird’s eye view. Fixing this with getPerspectiveTransform() and cv::warpPerspective() is easy but cv::warpPerspective() is very slow (at least for my purpose). (more…)