A Straightforward method to build ffmpeg for OpenCV?
Apr 14, 2022 · 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 …
OpenCV - Ask OpenCV Questions, Get OpenCV Answers
May 27, 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_(''): …
Opencv Rtsp Stream timeout - Python - OpenCV
Feb 17, 2025 · I have an RTSP URL for streaming from a CCTV camera, but I get the following error: [ WARN:[email protected]] global cap_ffmpeg_impl.hpp:453 …
Extract Graph Data from image - Python - OpenCV
Mar 22, 2021 · I’m pretty new to both python and openCV. I just need it for one project. Users take picture of ECG with their phones and send it to the server I need to extract the graph data and …
Where can i find dlls for opencv? - OpenCV Q&A Forum
Download opencv for windows from opencv.org. Dlls will be in the bin folder. Do not forget to add the dll folder to your windows system path variable and add correct libraries in your linker …
How to expand image to fullscreen with Imshow () method
Jan 1, 2022 · Hi and happy new year to all, I have a small question regarding the imshow() method. I use the fullscreen property to expand the window to all the screen, but the displayed …
Does OpenCV support ffmpeg 6.x versions? - C++ - OpenCV
May 6, 2025 · not long ago, opencv’s support for ffmpeg was raised from 4.x to 5.x. that alone was a drag and took willpower. try ffmpeg 5.x. opencv should check ffmpeg library versions …
cv2.imshow("Result", img)错误/error - Python - OpenCV
Feb 8, 2023 · Traceback (most recent call last): File “E:\\pythonProject\\lianxi\\图片匹配\\test.py”, line 16, in cv2.imshow(“Result”, img) cv2.error: OpenCV(4.7.0) D:\\a\\opencv-python\\opencv …
Asymmetric Circle Grid Calibration - Python - OpenCV
May 31, 2025 · Thank you for OpenCV. I was trying to use an asymmetric circle grid for calibration, with no success. cv2.findChessboardCorners for checkerboard calibration easily …