Warping patch on sphere

asked 2015-04-06 11:59:51 -0500

updated 2015-04-06 12:00:30 -0500

Consider the following image with denoted region of interest (ROI). Assuming the helmet in the image is a perfect sphere, how to warp the ROI so that it simulates rotation of the sphere? The goal is to generate training patterns that are likely to happen when the head rotates.

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