Use circular lut history buffer in computeGradient of HOG#15623
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alalek merged 2 commits intoopencv:3.4from Oct 29, 2019
ChipKerchner:optimizeHOGpipeline
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Use circular lut history buffer in computeGradient of HOG#15623alalek merged 2 commits intoopencv:3.4from ChipKerchner:optimizeHOGpipeline
alalek merged 2 commits intoopencv:3.4from
ChipKerchner:optimizeHOGpipeline
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Any traction on this PR? It's been over 3 weeks. It would be nice to have more PRs merged by the end of the month. |
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collinbrake
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Nov 1, 2019
* Use circular lut hustory buffer in computeGradient of HOG * Initialize prefetch data outside main loop. Avoid code duplication.
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Use circular lut history buffer in computeGradient of HOG.
Reduce lut reads by 2/3 and is 33-52% faster.