OpenCV

Topic	Replies	Views	Activity
Useful Links (Read First!) Uncategorized 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…	0	25475	February 26, 2021
Welcome to OpenCV Forum! Uncategorized	33	17471	February 10, 2024
PSA: CascadeClassifier with a missing file does not raise, it fails later in detectMultiScale Uncategorized	1	10	September 22, 2026
Toolbar Definition Uncategorized highgui , programming	0	9	September 21, 2026
Multi-Camera Person Tracking: How to Maintain a Persistent ID Across Non-Overlapping CCTV Cameras? Python	0	13	September 21, 2026
Why is the operation `S0 >> 4` performed when the `resize` function takes `u8` input and a scalar for the V-direction? Since `int32` would not overflow in the scalar case, why is this operation still necessary? Uncategorized imgproc	3	28	September 19, 2026
Image preprocessing for OCR on glossy, curved and unevenly illuminated packaging Uncategorized programming	2	54	September 18, 2026
Computer Vision Task Uncategorized programming	1	89	September 18, 2026
Heap error from cvtColor C++ programming	4	131	September 16, 2026
How are world coordinates and extrinsic parameters defined in camera_calibration.cpp? Uncategorized calib3d	1	52	September 11, 2026
Question regarding GSoC Uncategorized gsoc	0	34	September 6, 2026
[Hiring] AI Systems Engineer — Industrial Computer Vision / Edge AI (Remote US/CA/MX) Gigs and Jobs	1	81	September 5, 2026
Microscope/Telephoto Camera Calibration Uncategorized calib3d	4	91	September 3, 2026
Multi-View CCTV Pallet Counting: Resolving Interlocking Layer Occlusion via Calibrated Ground Plane & Homography Uncategorized	0	34	September 2, 2026
Using OpenCV with Embarcadero Delphi 10.3.3 (Object Pascal) Uncategorized delphi , pascal	12	7338	August 22, 2026
Issues on building OpenCV 5.0.0 C++ build	0	102	August 21, 2026
What kind of algorithm should I use? Python anomaly-detection	0	88	August 17, 2026
Get a Point Cloud from only one Image Uncategorized calib3d	0	69	August 17, 2026
Cross-Section Measurement & Distortion Analysis of Multi-Filament Fibers using OpenCV / OpenCvSharp Python	0	74	August 13, 2026
How can I do this? C# OpenCV C++ imgproc	0	81	August 13, 2026
How can I do this? Python	0	84	August 8, 2026
Abort detection C++	1	86	August 7, 2026
Looking to contribute to OpenCV — GSoC 2027 aspirant Uncategorized gsoc	1	104	August 7, 2026
HoughCircles - finding false positives - help with parameters? Python hough , houghcircles	6	180	August 5, 2026
Making a desktop app using opencv in java/kotlin on Linux (Ubuntu) Android/Java build	4	288	August 3, 2026
Looking to contribute to OpenCV — GSoC 2027 aspirant with C++ background C++ gsoc	1	84	July 30, 2026
Eye To Hand Calibration Using LeRobot Uncategorized calib3d	2	535	July 15, 2026
Get Video Data Post-Compression Pre-Writing C++ videoio	0	103	July 15, 2026
EU AI Act compliance Uncategorized legal	2	132	July 10, 2026
Training data / provenance of the res10 SSD face detector Uncategorized dnn , legal	0	95	July 10, 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…