An implementation of High Pass Skin Smoothing using GPUImage.
##Previews, Concepts
See the Core Image implementation YUCIHighPassSkinSmoothing for detail.
##Usage
The API should be self-explaining.
If you are not familiar with GPUImage, read the documentation here or use the core image implementation.
##Installation
GPUImage is required
Either clone the repo and manually add the files in Sources directory
or if you use Cocoapods, add the following to your Podfile
pod 'YUGPUImageHighPassSkinSmoothing'