There's the waifu2x project [1] which also uses neural networks for super resolution. There's also the MPDN extensions project [2] which has various kinds of im

There's the waifu2x project [1] which also uses neural networks for super resolution. There's also the MPDN extensions project [2] which has various kinds of image scaling methods. It depends what kind of algorithms you want to play with really. [1]: https://github.com/nagadomi/waifu2x https://github.com/nagadomi/waifu2x [2]: https://github.com/zachsaw/MPDN_Extensions https://github.com/zachsaw/MPDN_Extensions