OpenCV

Topic	Replies	Views	Activity
Useful Links (Read First!) Before asking a question in the forum, check out some of these resources and see if you can find a common answer. Documentation Tutorials Super Helpful Wiki Bugs and Issues Here are some additional useful links. Of…	2	23501	March 4, 2022
Welcome to OpenCV Forum!	34	15965	August 10, 2024
How to use output of dnn::net::forward() C++ dnn	4	47	June 13, 2025
Template - rotation and translation	4	29	June 12, 2025
How to accurately segment overlapping rice grains in an image using OpenCV edge-detection	4	109	May 22, 2025
How do I know which coordinates go to which coordinates in the warped image? Python	0	70	June 12, 2025
OpenCV 5 Roadmap? opencv-50	2	58	June 11, 2025
I want to run opencv on my luckfox pico ultra w board supporting arm 32 bit architecture	0	40	June 11, 2025
Help me, whats wrong with my openCv? programming	2	60	June 10, 2025
Asymmetric Circle Grid Calibration Python calib3d	7	193	June 7, 2025
Question about triangulation issues with OpenCV - gait analysis project calib3d	0	106	June 6, 2025
Best practice for debian package creation relying on OpenCV C++	0	90	June 5, 2025
Videowriter web camera logitech(1920x1080) with raspberry pi raspberrypi	1	434	June 4, 2025
Eye-to-Hand calibration in industrial robotics calib3d	0	63	June 3, 2025
Videoio Test Hang/Fail on Windows C++ build , videoio	0	685	June 2, 2025
CMake error trying to add opencv to embarcadero C++ builder 10.3 C++ windows , build , embarcadero , borland , dinkumware	7	2020	June 2, 2025
initUndistortRectifyMap does not return same undistorted image as manual undistortion Python calib3d , distortion , calibration , camera , imgproc	3	59	May 31, 2025
Can you explain values of imgIdx and trainIdx in this example of cv.match? Python programming	1	51	May 30, 2025
Python bindings question Python	1	45	May 29, 2025
Add text or image without desktop environment (RPi and Picamera2) Python raspberrypi , programming	2	55	May 28, 2025
Unable to load .BMP file correctly imgcodecs	5	39	May 28, 2025
Segmentation with an AI model with Opencv C++ dnn	0	41	May 27, 2025
Predicting lux values from RGB images	2	27	May 27, 2025
How to automatically detect video start timestamp from in OpenCV Python	0	24	May 27, 2025
How do I get a side view of a cylinder or table with three cameras 120° apart or four cameras 160° apart? C++	3	34	May 27, 2025
A look at OpenCV's licensing legal	1	25	May 26, 2025
G-API: Python C API symbols not recognized during compilation Python gapi	0	19	May 24, 2025
Using QT on macos 15.5 with opencv (and the unexpected problems) C++ qt , apple , programming	0	1535	May 24, 2025
OpenCV imshow Error: QSocketNotifier: Can only be used with threads started with QThread (No Qt Usage) highgui , qt , programming	2	63	May 24, 2025
Missing Test Data: regression22421.yaml.gz in opencv_extra C++ calib3d	2	17	May 23, 2025

Useful Links (Read First!)

Before asking a question in the forum, check out some of these resources and see if you can find a common answer. Documentation Tutorials Super Helpful Wiki Bugs and Issues Here are some additional useful links. Of…