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OpenCV - Ask OpenCV Questions, Get OpenCV Answers

Wed, 08 Apr 2026 01:14:00 GMT

OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library.

How do i download opencv to termux

Wed, 08 Apr 2026 09:13:00 GMT

I want to install opencv on termux but it doesn’t work, how do I install it??

VS code won't install opencv - Python - OpenCV

Thu, 09 Apr 2026 05:37:00 GMT

OpenCV uses the abi3 interface to Python. That ensures forward -compatibility, so OpenCV does not have to say “Python <= 3.13” when it’s not actually required by OpenCV. The package can run on future Pythons that didn’t exist when the package was built.

Requirements of ffmpeg for OpenCV - build - OpenCV

Tue, 31 Mar 2026 06:24:00 GMT

Nix builds OpenCV against ffmpeg [1]. This is basically a linux build using system library functionality. However, ffmpeg by default pulls a lot of transient dependencies. This makes me ask: What exact features are expected from ffmpeg? Can a minimal ffmpeg with basically no external features work, or will that break some (transient) dependencies of OpenCV in unexpected ways? Pointers would be ...

When will OpenCV support Python 3.14 version, since this version has ...

Tue, 07 Apr 2026 00:32:00 GMT

When will OpenCV support Python 3.14 version, since this version has removed the GIL? Python py-free-threading Neil November 13, 2025, 4:32am

A Straightforward method to build ffmpeg for OpenCV?

Tue, 24 Mar 2026 08:27:00 GMT

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 ...

Need Help With OpenCV & RTSP - Python - Python - OpenCV

Thu, 02 Apr 2026 19:00:00 GMT

I’m working on a Python script that reads multiple RTSP streams using OpenCV, detects motion, and saves frames when motion is detected. Initially, I faced issues with ash-colored frames due to H.265 codec, which OpenCV d…

Error: OpenCV(4.11.0) error: (-5:Bad argument) in function 'imshow'

Thu, 09 Apr 2026 07:46:00 GMT

I am currently using the current version of opencv. When I downgrade to version 4.10, the problem is fixed. 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?

DLL Load Failed Error When Importing cv2 on Windows 11 Pro

Thu, 02 Apr 2026 22:56:00 GMT

I am using Python 3.12 and OpenCV 4.10 on Windows 11 Pro. My code, which was working fine previously, started giving a “DLL load failed” error when importing cv2 this morning.

Limitations of OpenCV on the browser? - opencvjs - OpenCV

Tue, 07 Apr 2026 11:02:00 GMT

The official documentation writes OpenCV.js is a JavaScript binding for selected subset of OpenCV functions for the web platform. It allows emerging web applications with multimedia processing to benefit from the wide variety of vision functions available in OpenCV. OpenCV.js leverages Emscripten to compile OpenCV functions into asm.js or WebAssembly targets, and provides a JavaScript APIs for ...