Pierre Chatelier

Google protobuf offers the "file descriptor" abstraction to read/write through a FileInputStream. Unfortunately, while under Unix those file descriptor are perfectly compatible with TCP sockets, it is not the case...

cv::line() with thickness might take a very long time for pathological huge segments

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### System Information OpenCV 4.12.0 ### Detailed description When using `cv::line()` with a pathological huge segment (the segment points being very far away from the image bounds, but crossing the...

[Proposal] cv::Mat::releaseIfShared()

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### Describe the feature and motivation Proposal : I suggest adding a `cv::Mat::releaseIfShared()` method, (ok, the name is not great), which purpose is to release a `cv::Mat` only if it...

Try to fix distant points to save time when ThickLine() calls FillConvexPoly()

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Proposal for #27365 cv::clipLine() is useful, but one should take care of a margin to preserve line caps. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I...

I report here a bug that is *not* an OpenCV bug It is a bug that I have identified recently in the CUDA run-time ([https://forums.developer.nvidia.com/t/bug-current-device-change-after-nppsmalloc-does-nppsmalloc-call-cudasetdevice/324156](https://forums.developer.nvidia.com/t/bug-current-device-change-after-nppsmalloc-does-nppsmalloc-call-cudasetdevice/324156)) The bug occurs for CUDA...

[CMAKE] build with HDF5 with external zlib

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NetCDF 4.9.3 Windows 7/10/11 Visual studio 2019/2022 CMake-GUI 3.31.4 Building netcdf with HDF5 (with external zlib support) *almost* work flawlessly. my HDF5 is compiled, by myself, with an external zlib...