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_ (''): …
Download haarcascade_frontalface_default.xml - OpenCV Q&A …
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm
OpenCV 5 Roadmap? - opencv-50 - OpenCV
Jun 11, 2025 · 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 …
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 …
Build fails during compilation of cudaimgproc - build - OpenCV
Dec 31, 2024 · Hello, I am trying to compile opencv-4.10.0 from source but I am running into a sudden failure during compilation. Below is at the point where make suddenly fails: [ 66%] Built …
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 …
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 …
OpenCV unable to recognize (any) checkerboard pattern
Apr 11, 2021 · We have been attempting to calibrate a DSLR camera for several weeks now, using literally every kind of calibration board, scene, lighting, and more. In every, single case, …
How to display multiple images in one window? - OpenCV Q&A …
Since images are numpy arrays in OpenCV, we could use concatenate, vstack or hstack to help us achieve the task. The comments in the code should be self explanatory but one thing to be …
Missing opencv dlls - OpenCV
Nov 15, 2024 · OpenCV has, or is in the process of gaining, a kind of runtime dispatch for some of its backends (highgui, videoio). What you’re seeing is its thought process. It will look for stuff …