...It creates cool stylized results! Unlike AI-driven upscaling, which takes gigabytes of space and enormous processing power, xBRZ is lightweight and can run on a potato PC! Only 5MB!
(Source code is included with the program .zip file.)
Samples for ML.NET, an open source and cross-platform machine learning
...In addition, it also generates sample C# code to run/score that model plus the C# code that was used to create/train it so you can research what algorithm and settings it is using.