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opencv.org
https://forum.opencv.org/t/cant-open-read-file-che…
Can't open/read file: check file path/integrity - C++ - OpenCV
Hello friends. The following program WORKED to read image files, but it stopped working and gave the following error: global loadsave.cpp:268 cv::findDecoder imread_ (''): can't open/read file: check file path/integrity …
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opencv.org
https://forum.opencv.org/t/opencv-rtsp-stream-time…
Opencv Rtsp Stream timeout - Python - OpenCV
I have an RTSP URL for streaming from a CCTV camera, but I get the following error: [ WARN:[email protected]] global cap_ffmpeg_impl.hpp:453 _opencv_ffmpeg_interrupt_callback Stream timeout triggered after 30046.359055 ms When I test the same URL in VLC by opening the network stream, the live feed works perfectly. What could be causing this issue, and how can I fix it?
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opencv.org
https://forum.opencv.org/t/unable-to-compile-cuda-…
Unable to compile CUDA Version - Python - OpenCV
Hello guys. I’m during 3 days trying to make opencv to work with CUDA. I already have CUDA installed, cudnn etc. What happens: After making all process described in some youtube videos, many and many times, with lots of versions of opencv, with visual studio 2019 and 2022, the last command which I should do is cmake --build “path” --target INSTALL --config Release. In the example video ...
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opencv.org
https://forum.opencv.org/t/opencv-5-roadmap/22220
OpenCV 5 Roadmap? - opencv-50 - OpenCV
OpenCV 5 is many years late. Here is a quote from one of their old announcements: “In 2020, OpenCV 5.0 is coming out with an emphasis on deep learning and better performance on lower-power computing platforms. The other OpenCV 5.0 highlights are: Julia and Swift bindings, new 3D vision algorithms with elements of SLAM” scien June 18, 2025 ...
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opencv.org
https://forum.opencv.org/t/build-opencv-with-cuda/…
Build OpenCV with Cuda - C++ - OpenCV
I am building an OpenCV library by Cmake with Cuda. My GPU and Cuda Toolkit are GTX1650 and v12.8, respectively. The command is following: cmake -G "Visual Studio 17 2022" -DCMAKE_BUILD_TYPE=Release ^ -D …
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opencv.org
https://forum.opencv.org/t/opencv-with-cuda-suppor…
OpenCV with CUDA support – unsupported visual studio version build ...
Good morning, I am currently experiencing an issue building OpenCV with Cuda support. Following the process of using cmake to configure and generate I am building in visual studio OpenCV 4.11.0. When I attempt to build “ALL_BUILD” in visual studio I hit a snag depending on the vs version that I use. With an older VS version e.g. 17.9.2 I can build without issue. With newer versions such as ...
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opencv.org
https://forum.opencv.org/t/opencv-cuda-c/19868
Opencv + CUDA + C++ - C++ - OpenCV
I had difficulties building from the opencv + CUDA source code for c++. I do everything according to this guide. Build OpenCV (including Python) with CUDA on Windows: Comprehensive Guide including Python Bindings, cuDNN…
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opencv.org
https://forum.opencv.org/t/missing-lib-files-while…
Missing lib files while building with Visual Studio 2022 - build - OpenCV
I tried to build OpenCV but Visual Studio only created 3 files in the /build/lib/release folder: opencv_cudev4100.exp opencv_cudev4100.lib opencv_ts4100.lib and there are a whole bunch of LINK1181 messages about the rest of the .lib files which are missing as well as a lot of MSB8066 ‘custom build exited with code 1’ errors, as well as a few C1189 ‘unsupported Microsoft Visual Studio ...
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opencv.org
https://answers.opencv.org/question/232907/downloa…
Download haarcascade_frontalface_default.xml - OpenCV Q&A Forum
How do I do this from github? I'm using Windows/Pycharm
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opencv.org
https://forum.opencv.org/t/missing-opencv-dlls/192…
Missing opencv dlls - OpenCV
OpenCV is attempting to load GTK-based libraries for its GUI (opencv_highgui_gtk4100_64.dll, opencv_highgui_gtk34100_64.dll, etc.), but it is failing to do so. There are also failed attempts to load parallel processing libraries (like opencv_core_parallel_onetbb4100_64d.dll, opencv_core_parallel_tbb4100_64d.dll, and opencv_core_parallel_openmp4100_64d.dll) Are these issue is impacting the ...