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BradLarson / GPUImage

An open source iOS framework for GPU-based image and video processing
http://www.sunsetlakesoftware.com/2012/02/12/introducing-gpuimage-framework
BSD 3-Clause "New" or "Revised" License
20.2k stars 4.61k forks source link

Are there any algorithm specifications or helpful references about the "GPUImageLookupFilter.m"? #2578

Closed FinleyPan closed 6 years ago

FinleyPan commented 6 years ago

I am reading and trying to understand the threads in "GPUImageLookupFilter.m". But there are too few information for me, so can anyone porvide me some enlightening and relevant documentations about it?

BradLarson commented 6 years ago

This explains the process in detail, from the one who created it:

http://liovch.blogspot.com/2012/07/add-instagram-like-effects-to-your-ios.html