OpenCV - Ask OpenCV Questions, Get OpenCV Answers
Nov 5, 2025 · OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library.
Can't open/read file: check file path/integrity - C++ - OpenCV
Jan 20, 2025 · 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 …
Unable to compile CUDA Version - Python - OpenCV
Apr 25, 2025 · 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 …
How to use Thin Plate Spline Shape Transformer correctly?
Oct 30, 2024 · other “warp” functions in opencv will implicitly invert the given transform, e.g. an affine or homography matrix, such that the result is the expected forward transform. you might have to fit a …
Download haarcascade_frontalface_default.xml - OpenCV Q&A Forum
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm
How do i download opencv to termux
Sep 18, 2022 · I want to install opencv on termux but it doesn’t work, how do I install it??
Building Open-CV 4.9.0 with Cuda 12.3 in Windows 11 - build - OpenCV
Mar 13, 2024 · Build OpenCV (including Python) with CUDA on Windows: Comprehensive Guide... Guide to building OpenCV (including Python bindings) with CUDA (optionally the Nvidia Video Codec …
DLL load failed while importing cv2 - Python - OpenCV
Aug 29, 2023 · I may be wrong but it seems like you are mixing up two different installation methods. If you pip install you shouldn’t need to copy any dll’s accross. If you are building from scratch then …
OpenCV On Web - A browser-based code editor - Projects - OpenCV
Sep 28, 2024 · My most recent side project is OpenCV On Web: a browser-based IDE for developing image processing applications. Unlike Jupyter Notebook, it runs entirely in the browser, eliminating …
Error: OpenCV(4.11.0) error: (-5:Bad argument) in function 'imshow'
Apr 4, 2025 · 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 …