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  1. Download haarcascade_frontalface_default.xml - OpenCV Q&A …

    Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm

  2. How to use Thin Plate Spline Shape Transformer correctly?

    Oct 30, 2024 · other “warp” functions in opencv will implicitly invert the given transform, e.g. an affine or homography matrix, such that the result is the expected forward transform. you might …

  3. 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_ (''): …

  4. 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 …

  5. Unable to compile CUDA Version - Python - OpenCV

    Apr 25, 2025 · Hello guys. I’m during 3 days trying to make opencv to work with CUDA. I already have CUDA installed, cudnn etc. What happens: After making all process described in some …

  6. 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 …

  7. Build OpenCV with Cuda - C++ - OpenCV

    Mar 7, 2025 · I am building an OpenCV library by Cmake with Cuda. My GPU and Cuda Toolkit are GTX1650 and v12.8, respectively. The command is following: cmake -G "Visual Studio 17 …

  8. 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 …

  9. Opencv + CUDA + C++ - C++ - OpenCV

    Jan 24, 2025 · I had difficulties building from the opencv + CUDA source code for c++. I do everything according to this guide. Build OpenCV (including Python) with CUDA on Windows: …

  10. 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 …