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	25083	March 4, 2022
Welcome to OpenCV Forum!	34	17100	August 10, 2024
Failed to parse ONNX model C++ dnn , onnx	3	12	May 6, 2026
[Help] Struggling to detect pool pockets and place these pockets in live video Projects calib3d , homography , feature-detection , imgproc	5	57	May 5, 2026
Show HN: I built a zero-luck board game. Now I need a CV engineer to help run the rules Gigs and Jobs	0	9	May 5, 2026
How to distinguish exterior wall outline lines from hatch, dimension, and view-crop lines in architectural elevation PDFs?	1	9	May 5, 2026
Relative position of two ArUco markers Python calib3d , aruco	2	20	May 5, 2026
OpenCV CMake config file sets OpenCV_FOUND to FALSE C++ build , cmake , cuda	0	11	April 30, 2026
Looking to contribute to OpenCV — GSoC 2027 aspirant with C++ background C++ gsoc	0	11	April 30, 2026
ArUco relative displacement measurement between markers - precision issues when object rotates C++ aruco	3	30	April 30, 2026
KNN background subtraction algorithm C++	6	53	April 22, 2026
Seeking collaboration: AI-powered foot measurement & size recommendation using OpenCV (for online sports shoe brand) Gigs and Jobs	2	45	April 16, 2026
cv2.findChessboardCorners() running endlessly on certain images Python calib3d , features2d	4	1031	April 15, 2026
Topic: OpenCV error in code::blocks C++ build	1	33	April 14, 2026
Best vision tool for part identification? C++	1	50	April 11, 2026
Eye To Hand Calibration Using LeRobot calib3d	1	250	April 10, 2026
2 serious bugs (Mat scaling and VideoCapture::set) still active? imgproc	0	16	April 8, 2026
What camera to use for low-latency with high fps? tracking , camera	1	35	April 3, 2026
Introducing PureCV: A Pure Rust Port of OpenCV Projects rust	3	125	March 31, 2026
GSoC 2026 — Intro: Neural Feature Matching (ALIKED/LightGlue) Python gsoc	0	37	March 28, 2026
Nvidia Hardware Optical flow costbuffer question Python cuda	3	35	March 28, 2026
Recommended OpenCV version, CMake flags, or pre-built binaries for CUDA 13.2 & cuDNN 9.2 C++ cuda , imgproc	1	93	March 27, 2026
GSoC 2026 - Interest in Tokenizer Support Project Python gsoc	0	15	March 26, 2026
GSoC 2026 Proposal:OpenCV Documentation Redesign and Modernization gsoc	0	28	March 25, 2026
solvePnPGeneric() solution order C++ calib3d	1	44	March 23, 2026
[GSoC 2026] Interest in Idea #7: Automated Code Hygiene & Security Hardening gsoc	3	35	March 22, 2026
OpenCV Rodrigues And RVECS calib3d	4	88	March 22, 2026
Sub-pixel tracking of an optical fiber tip in microscopy images: Challenges with reflections and drift using Lucas-Kanade Python	5	49	March 20, 2026
The transition to the desired frame does not work cap.set(CAP_PROP_POS_FRAMES, 100); videoio	5	35	March 20, 2026
Opencv camera calibration C++ calib3d	3	81	March 18, 2026

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…