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  1. 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 …

  2. 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_ (''): …

  3. 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, …

  4. 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 …

  5. 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 …

  6. Eye-to-hand calibration - calib3d - OpenCV

    Oct 17, 2021 · This function cv.calibrateHandEye describes an eye-in-calibration process where camera is attached to a robot arm. I want to do an eye-to-hand calibration where a camera is …

  7. Gray frames/lost pixes - Python - OpenCV

    Jul 17, 2025 · Hello guys. I’m using the opencv_contrib_python_rolling-4.12.0.86-cp37-abi3-win_amd64.whl, to read a video streaming (RTSP link). What happens, is that, usually video is …

  8. 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 …

  9. 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 …

  10. OpenCV 3.0 CLAHE with 16bit images - OpenCV Q&A Forum

    Feb 11, 2015 · Hello, I'm trying to use the openCV CLAHE implementation on 16 bits medical images and the results are not what I expected, it looks like the algorithm overlflows, resulting …