Nathan Schulte nmschulte

## OpenCL-photogrammetry.md

      
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                natowi
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              June 12, 2024 13:35
            
              
                OpenCL-photogrammetry
              
          
    Depth Estimation using OpenCL

Giovanni Visentini, Amit Gupta 2012
http://psrcentre.org/images/extraimages/40.%20312019.pdf
An implementation of SIFT on GPU with OpenCL

https://github.com/pierrepaleo/sift_pyocl
OpenCL akaze, brute_force_match, fast, orb feature matching in OpenCV

https://github.com/opencv/opencv/tree/master/modules/features2d/src/opencl

  
## brio.md

      
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                turbo
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              January 18, 2023 16:24
            
              
                Recording 4k 4:2:2 from Brio 4k In Linux using FFMpeg
              
          
    Turn auto-exposure off, set absolute exposure to a low level and use gain to compensate for low light if needed. E.g.:
v4l2-ctl -d /dev/video2 -c exposure_absolute=400
v4l2-ctl -d /dev/video2 -c gain=110

# check with
v4l2-ctl -d /dev/video2 -L