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Open Source Computer Vision Library

c-plus-plus computer-vision deep-learning image-processing opencv

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Rostislav Vasilikhin ea47cb3ffe Merge pull request #24480 from savuor:backport_patch_nans Backport to 4.x: patchNaNs() SIMD acceleration #24480 backport from #23098 connected PR in extra: [#1118@extra](https://github.com/opencv/opencv_extra/pull/1118) ### This PR contains: * new SIMD code for `patchNaNs()` * CPU perf test <details> <summary>Performance comparison</summary> Geometric mean (ms) \|Name of Test\|noopt\|sse2\|avx2\|sse2 vs noopt (x-factor)\|avx2 vs noopt (x-factor)\| \|---\|:-:\|:-:\|:-:\|:-:\|:-:\| \|PatchNaNs::OCL_PatchNaNsFixture::(640x480, 32FC1)\|0.019\|0.017\|0.018\|1.11\|1.07\| \|PatchNaNs::OCL_PatchNaNsFixture::(640x480, 32FC4)\|0.037\|0.037\|0.033\|1.00\|1.10\| \|PatchNaNs::OCL_PatchNaNsFixture::(1280x720, 32FC1)\|0.032\|0.032\|0.033\|0.99\|0.98\| \|PatchNaNs::OCL_PatchNaNsFixture::(1280x720, 32FC4)\|0.072\|0.072\|0.070\|1.00\|1.03\| \|PatchNaNs::OCL_PatchNaNsFixture::(1920x1080, 32FC1)\|0.051\|0.051\|0.050\|1.00\|1.01\| \|PatchNaNs::OCL_PatchNaNsFixture::(1920x1080, 32FC4)\|0.137\|0.138\|0.128\|0.99\|1.06\| \|PatchNaNs::OCL_PatchNaNsFixture::(3840x2160, 32FC1)\|0.137\|0.128\|0.129\|1.07\|1.06\| \|PatchNaNs::OCL_PatchNaNsFixture::(3840x2160, 32FC4)\|0.450\|0.450\|0.448\|1.00\|1.01\| \|PatchNaNs::PatchNaNsFixture::(640x480, 32FC1)\|0.149\|0.029\|0.020\|5.13\|7.44\| \|PatchNaNs::PatchNaNsFixture::(640x480, 32FC2)\|0.304\|0.058\|0.040\|5.25\|7.65\| \|PatchNaNs::PatchNaNsFixture::(640x480, 32FC3)\|0.448\|0.086\|0.059\|5.22\|7.55\| \|PatchNaNs::PatchNaNsFixture::(640x480, 32FC4)\|0.601\|0.133\|0.083\|4.51\|7.23\| \|PatchNaNs::PatchNaNsFixture::(1280x720, 32FC1)\|0.451\|0.093\|0.060\|4.83\|7.52\| \|PatchNaNs::PatchNaNsFixture::(1280x720, 32FC2)\|0.892\|0.184\|0.126\|4.85\|7.06\| \|PatchNaNs::PatchNaNsFixture::(1280x720, 32FC3)\|1.345\|0.311\|0.230\|4.32\|5.84\| \|PatchNaNs::PatchNaNsFixture::(1280x720, 32FC4)\|1.831\|0.546\|0.436\|3.35\|4.20\| \|PatchNaNs::PatchNaNsFixture::(1920x1080, 32FC1)\|1.017\|0.250\|0.160\|4.06\|6.35\| \|PatchNaNs::PatchNaNsFixture::(1920x1080, 32FC2)\|2.077\|0.646\|0.605\|3.21\|3.43\| \|PatchNaNs::PatchNaNsFixture::(1920x1080, 32FC3)\|3.134\|1.053\|0.961\|2.97\|3.26\| \|PatchNaNs::PatchNaNsFixture::(1920x1080, 32FC4)\|4.222\|1.436\|1.288\|2.94\|3.28\| \|PatchNaNs::PatchNaNsFixture::(3840x2160, 32FC1)\|4.225\|1.401\|1.277\|3.01\|3.31\| \|PatchNaNs::PatchNaNsFixture::(3840x2160, 32FC2)\|8.310\|2.953\|2.635\|2.81\|3.15\| \|PatchNaNs::PatchNaNsFixture::(3840x2160, 32FC3)\|12.396\|4.455\|4.252\|2.78\|2.92\| \|PatchNaNs::PatchNaNsFixture::(3840x2160, 32FC4)\|17.174\|5.831\|5.824\|2.95\|2.95\| </details> ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake		2023-11-03 08:58:07 +03:00
.github	CI: enable RISC-V for 4.x branch	2023-10-16 09:28:37 +03:00
3rdparty	Merge remote-tracking branch 'upstream/3.4' into merge-3.4	2023-10-31 14:52:49 +00:00
apps	Add missing <sstream> includes	2023-09-05 22:04:26 +03:00
cmake	Merge pull request #23929 from CNClareChen:4.x	2023-10-20 14:20:09 +03:00
data	Merge pull request #22727 from su77ungr:patch-1	2022-11-17 06:54:25 +00:00
doc	Fixed wrong division operator in py_tutorials doc	2023-10-23 19:41:29 +03:00
include	exclude opencv_contrib modules	2020-02-26 15:12:45 +03:00
modules	Merge pull request #24480 from savuor:backport_patch_nans	2023-11-03 08:58:07 +03:00
platforms	Merge pull request #24305 from hanliutong:toolchain	2023-09-25 13:06:22 +03:00
samples	Clean up the Universal Intrinsic API.	2023-10-13 19:23:30 +08:00
.editorconfig	add .editorconfig	2018-10-11 17:57:51 +00:00
.gitattributes	cmake: generate and install ffmpeg-download.ps1	2018-06-09 13:19:48 +03:00
.gitignore	Merge pull request #17165 from komakai:objc-binding	2020-06-08 18:32:53 +00:00
CMakeLists.txt	Fix MinGW build issue due to obsensor	2023-11-01 12:18:09 -06:00
CONTRIBUTING.md	migration: github.com/opencv/opencv	2016-07-12 12:51:12 +03:00
COPYRIGHT	copyright: 2023 (update)	2023-01-09 09:49:22 +00:00
LICENSE	copyright: 2023	2023-01-08 18:18:37 +00:00
README.md	fix 4.x links	2021-12-22 13:24:30 +00:00
SECURITY.md	Updated PGP key for security reports	2023-04-19 19:16:55 +03:00

README.md

OpenCV: Open Source Computer Vision Library

Resources

Homepage: https://opencv.org
- Courses: https://opencv.org/courses
Docs: https://docs.opencv.org/4.x/
Q&A forum: https://forum.opencv.org
- previous forum (read only): http://answers.opencv.org
Issue tracking: https://github.com/opencv/opencv/issues
Additional OpenCV functionality: https://github.com/opencv/opencv_contrib

Contributing

Please read the contribution guidelines before starting work on a pull request.

Summary of the guidelines:

One pull request per issue;
Choose the right base branch;
Include tests and documentation;
Clean up "oops" commits before submitting;
Follow the coding style guide.