opencv_contrib

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Should BM3D be in nonfree?

9

Hi, the BM3D algorithm implemented in OpenCV [1] is only build in case the nonfree option is activated. However, I didn't find a strong evidence that the original BM3D algorithm[2]...

tholzmann

CMake Error at: xobjdetect/CMakeLists.txt:6 (add_subdirectory) - OpenCV 5.0.0-alpha

7

Hello, Trying to build OpenCV using CMake GUI. Performed the following: ``` git clone https://github.com/opencv/opencv.git cd opencv git fetch --all --tags git tag git checkout 5.0.0-alpha git log -1 git...

rajhlinux

Radon transformation produces incorrect sinograms (asymmetric, rotational dependency, information loss)

1

##### System information (version) - OpenCV => 4.10 ##### Detailed description The current implementation produces sinograms which do not satisfy basic properties of sinograms. I will list them and make...

Dugnom

Compilation fails when compiling opencv_hdf with MPI

3

### System Information OpenCV version: 4.7.0 (also tested with 4.10.0) Operating System: Ubuntu 22.04 (also tested with 24.04) Compiler version: GCC 11.4.0 (also tested with 13.3.0) CMake version: 3.22 (also...

AndreiCostinescu

Closed https://github.com/opencv/opencv_contrib/issues/3858 Closed https://github.com/opencv/opencv_contrib/issues/3216 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the...

Kumataro

##### System information (version) - OpenCV => 4.10 - Operating System / Platform => Windows 64 Bit - Compiler => Visual Studio 2022 - OpenCV => 4.10 - Operating System...

FrankEscobar

This PR solves #3846, see description of the problems and proposed fixes there. ### Pull Request Readiness Checklist - [x] I agree to contribute to the project under Apache 2...

Dugnom

##### System information (version) - OpenCV => 4.10 ##### Detailed description The sum of values over each column (projection) has to be equal to the sum of values in the...

Dugnom

jetson orin nano 8g : cap = cv2.cudacodec.createVideoReader(file_path) cv2.error: OpenCV(4.10.0) /home/nvidia/nvidia-codec/opencv_contrib-4.10.0/modules/cudacodec/src/video_reader.cpp:190: error: (-217:Gpu API call) Unknown error code [Code = 520480200] in function 'VideoReaderImpl'

8

cap = cv2.cudacodec.createVideoReader(file_path) cv2.error: OpenCV(4.10.0) /home/nvidia/nvidia-codec/opencv_contrib-4.10.0/modules/cudacodec/src/video_reader.cpp:190: error: (-217:Gpu API call) Unknown error code [Code = 520480200] in function 'VideoReaderImpl' this my sh ``` #!/bin/bash #rm -rf opencv-4.10.0/build/ #rm -rf opencv-4.10.0/install/...

lindsayshuo

##### System information (version) - OpenCV => 4.10.0_14 - Operating System / Platform => macOS Apple Silicon - Compiler => clang++ ##### Detailed description I try to use the cv2::aruco::Board::create...

guruprasadah