OpenCV - Ask OpenCV Questions, Get OpenCV Answers
2025年8月8日 · OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library.
Opencv Rtsp Stream timeout - Python - OpenCV
2025年2月17日 · I have an RTSP URL for streaming from a CCTV camera, but I get the following error: [ WARN:0@30.061] global cap_ffmpeg_impl.hpp:453 …
OpenCV 5 Roadmap? - opencv-50 - OpenCV
2025年6月11日 · 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 …
A Straightforward method to build ffmpeg for OpenCV?
2022年4月14日 · I have been working and doing research into how to build the opencv_ffmpegxxx.dll. I’m working with OpenCV 4.5.5, the contrib modules and Visual Studio …
How to have OpenCV built process use self-built ffmpeg?
2023年11月17日 · There’s only that setting OPENCV_FFMPEG_WRITER_OPTIONS (e.g. to “crf;18|tune;grain”) before starting my app or before building my app has no effect. It seems to …
Error: OpenCV(4.11.0) error: (-5:Bad argument) in function 'imshow'
2025年4月4日 · I think there was an update to the input sent to opencv in version 4.11 and it especially affects Linux-based systems. The question is, how should we adjust the array …
Opencv + CUDA + C++ - C++ - OpenCV
2025年1月24日 · 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: …
Opencv build did not generate opencv_world dll and only …
2024年2月8日 · Download opencv latest release, opencv contrib, create a build folder and put them in same directory. Run CMake gui: i) Configure selecting VS code 2019 with x64 ii) …
Missing lib files while building with Visual Studio 2022 - build
2024年11月13日 · 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 …
CUDA Decoder issues - Python - OpenCV
2025年3月14日 · I am trying to build OpenCV with CUDA support, it worked but now I wanted to add cudacodec as well, however I am having issues with installing the NVIDIA Video Codec …