opencv_contrib

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Building OpenCV Contrib 4.5.4 from source along with LibTiff4

2

### System information (version) - Building OpenCV 4.5.4 and OpenCV Contrib 4.5.4 from source - Ubuntu 20.04 - cmake 3.16.3 - GNU Make 4.2.1 - gcc 9.3.0 ## Build failure...

matanox

Sfm and Viz in sample scene reconstruction

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Opencv 3.2.0-dev Windows 10 VS 2015 VTK 7.1.0 I cannot retrieve camera pose in sample [scenereconstruction ](https://github.com/opencv/opencv_contrib/blob/master/modules/sfm/samples/scene_reconstruction.cpp)of module sfm. In images given in folder data it is not easy to...

LaurentBerger

WeChat QR code cannot detect and decode the QR code cropped from the image

1

##### System information (version) - OpenCV => 4.5.4 - Operating System / Platform => Ubuntu 21.10 - Compiler => GCC 11.2.0 ##### Detailed description I have built OpenCV 4.5.4 with...

donalduk

viz3D spinOnce method broken with latest stable version of VTK

1

##### System information (version) - OpenCV => 4.5.4 - VTK => 9.1.0 - Python => 3.9.7 - Operating System / Platform => Arch Linux x64 - Compiler => :grey_question: #####...

dshemnv

Is the training code of wechat QRcode open source？

1


Dandelion111

cuda::BackgroundSubtractorMOG2 gives different results after 4.2.0

1

##### System information (version) - OpenCV => 4.4.0 - Operating System / Platform => Debian - Compiler => gcc 7.3.0 ##### Detailed description Recently I'm working on some background subtractor...

Chester-zZz

Performance regression in TV-L1 optical flow

3

##### System information (version) - OpenCV => 4.10 - Operating System / Platform => Linux 64 Bit - Compiler => GCC/nvcc ##### Detailed description The CUDA Implementation of TVL1 seems...

willprice

### 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 best of my knowledge,...

augustinmanecy

Issue #2837

2

solved #2837 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 best of my knowledge, the proposed patch...

LaurentBerger

### 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 best of my knowledge,...

Selotkin