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- A Straightforward method to build ffmpeg for OpenCV?
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 2019 I AM able to compile OpenCV to dll’s and the world version but getting ffmpeg to build is beyond me I set the ffmpeg setting in CMake Nothing, though I do see a number of mentions in the world dll Perhaps it is being built but if
- 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
- Error: OpenCV(4. 11. 0) error: (-5:Bad argument) in function imshow
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 inputs created with numpy in Linux-based systems in the current version?
- OpenCV - Ask OpenCV Questions, Get OpenCV Answers
OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library
- 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
- 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
- RPi Camera, options cannot be set - C++ - OpenCV
I’ve noticed strange behavior with LCCV and OpenCV and the Raspberry Pi’s HQ Camera or GS Camera I’m having problems manually setting ExposureTime, Gain, and Shutter I use C++ About two months ago, everything worked fine; I was using OpenCV 4 10 with LCCV With: lccv::PiCamera cam; cam options->ev = Exposure; some value cam options->gain = Gain; cam options->shutter = Shutter; I
- Python3-opencv versus opencv-python - OpenCV
I was wondering what is the difference between the two ways of using opencv from python given that opencv-python is now officially part of the opencv project apt installing python3-opencv Pip installing opencv-python Thanks
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