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Repository for OpenCV's extra modules

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**Note**: this is a copy of an issue in from opencv/opencv: [Link](https://github.com/opencv/opencv/issues/27206#issue-2978097887) As part of [GSOC 2025 idea 11](https://github.com/opencv/opencv/wiki/GSoC_2025#idea-computational-photography-algorithms-for-better-image-quality), implement algorithms for enhancement of technical quality of images. Based on...

Traceback (most recent call last): File "/home/ubuntu/apurva.thakkar/video_analysis/debug.py", line 39, in process_video_with_gpu(video_path) File "/home/ubuntu/apurva.thakkar/video_analysis/debug.py", line 13, in process_video_with_gpu cap = cv2.cudacodec.createVideoReader(video_path) cv2.error: OpenCV(4.12.0-dev) /home/ubuntu/opencv/modules/core/include/opencv2/core/private.cuda.hpp:112: error: (-213:The function/feature is not implemented) The...

Extend `cudaimgproc::demosaicing` to also allow images with f32 values. ### 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...

feature
category: cuda

### System Information Operating System: Deepin 23 / Linux 6.6.71-amd64-desktop-hwe OpenCV: 4.12.0 GCC: 12.3.0 Julia: 1.11.2 ### Detailed description Compiler reported compilation errors that appear to originate from the Julia...

bug
category: bindings julia

### Describe the feature and motivation Description: Currently, OpenCV provides the Structure From Motion (SFM) module only in C++, and there is no official Python binding for it. I have...

feature
category: sfm
category: python bindings

I added serialization support for ColorCorrectionModel. https://github.com/opencv/opencv_contrib/issues/3905 ### 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. -...

feature
category: mcc

The calibration code is useful if you plan to calibrate and use the result in the same executable, but it's not useful in the sense that you can't calibrate a...

I have compiled opencv with cuda support in windows with version 4.11. I tried the following code to compare GPU and CPU versions of stereo SGBM matcher: ``` #include #include...

Hello, I was wondering if there was going to be a CUDA implementation of calcBackProject or if there is an equivalent out there that I could use with existing stuff....

This just cleans up some warnings seen when compiling some of the cuda modules. There are no functional changes. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x]...

category: build/install
category: cuda