How to run a gradient descent optimization for image registration?

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Emmanuel
Emmanuel on 27 Oct 2014
I am having two images where second image is a translated image of the first. I am choosing a random 8x8 block from the first image, then choosing a subset of blocks of pixels from the second image and I want to estimate a block match by comparing the 8x8 in the subset of pixels. How do I run a gradient optimization in this? Please help me..

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