Indeed, this has been implemented in G'MIC [1], which can be used as a plugin in gimp. I definitively recommend it! (based on the exact same paper :-) [1] http

Indeed, this has been implemented in G'MIC [1], which can be used as a plugin in gimp. I definitively recommend it! (based on the exact same paper :-) [1] https://www.youtube.com/watch?v=zsHgQY6025I https://www.youtube.com/watch?v=zsHgQY6025I