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### Description
There is a function in the library that has an Assert(false) instead of a return value but conan forces OpenCV to be built with -Werror=return-type so this is treated as an error.
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I was discussing with @pc494 that the overall architecture of pyxem has now settled down quite a lot and this may mean we are now getting towards the stage where releasing `pyxem-1.0.0` should be on t…
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##### System information (version)
- OpenCV => 4.7
- Operating System / Platform =>JAVASCRİPT
- Compiler =>VS CODE
##### Detailed description
Hello, I am developing a project with th…
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### System Information
OpenCV version: 4.9.0
Operating System / Platform: Windows 10
Compiler & compiler version: VS 2022
### Detailed description
[输出-生成.txt](https://github.com/opencv/opencv/fil…
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It should "fail fast" by default providing clear messages.
Optional mode doesn't properly work anyway (including xfeatures2d issues).
[Example](http://pullrequest.opencv.org/buildbot/builders/prec…
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Hi,
I've got an error by compiling with a branch of opencv 3.4.7.
##### Error
```
opencv-3.4.7\modules\videoio\src\cap_dshow.cpp:2313:41: error: 'sprintf_instead_use_StringCbPrintfA_or_StringCch…
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I'm building OpenCV 4.4.0 headlessly on a Jetson Nano with Jetpack 4.4 [L4T 32.4.3]. The build is successful but many tests failed. See attached logs.
[build.log](https://github.com/mdegans/nano_bu…
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- OpenCV => 4.8.0
- Operating System / Platform => MacOS M2M214.1
- Compiler => terminal
- Compiler => cmake
I have installed all the necessary dependencies according to https://docs.opencv.…
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### System Information
OpenCV version: 4.6.0
Operating System / Platform: Ubuntu 20.04 / Windows / WSL2 / Docker
Compiler & compiler version: GCC 9,11, MSVC 2017, 2019, Python 3.10
CUDA: 11.4, 1…
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Call to `cv2.VideoCapture()` with a DVI2USB works well under Python 2, but fails under Python 3 in various setups.
##### System information (version)
- OpenCV => multiple, see below
- Ope…