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ECC alignment is terribly slow #7
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Switched ECC warp method to homography matrix for very noticeable improvement in quality of image alignment. Standalone homography warping prior would improve the runtime of the find/warpECC methods afterwards |
I implemented the ECC algorithm on GPU hardware (C++). It significantly increase the speed, especially in large image cases... |
Problem
The ECC image alignment implementation takes ~10 minutes to align a stack of 15 large (20MP) images. Although a noticeable improvement, the results are not perfect either. Some ghosting lines are still present from image misalignment.
Potential Solution
Bitmap alignment may prove much faster than ECC. Perhaps finding a rough homography first may even be faster.
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