In an effort to restore them as much as I could, I used a combination of waifu2x ("Single-Image Super-Resolution for Anime-Style Art using Deep Convolutional Neural Networks"), Clip Studio Paint resize/cleanup tools, and manual cleanup done by hand. Unfortunately, the red text on the title page was a lost cause. If anyone can decipher solid red rectangles please contact me lol. Source: about 1 year ago

Maybe this would help. There's also an app version of it. Source: over 1 year ago

I would recommend putting it through an upscaler beforehand, it seems a bit small. Source: over 1 year ago

Http://waifu2x.udp.jp/index.html found this image upscaler from https://www.reddit.com/r/FireEmblemHeroes/comments/a51f0k/i_turned_yusuke_kozakis_artwork_into_a_high/?st=JPIZKYIB&sh=f12f76fe a while ago, perhaps that would be the closest if IS doesn't release anything. Source: over 1 year ago

You can make it bigger for print by using by using an Japanese AI image enlarging tool. Source: over 1 year ago

Yes I could use generator like generated.photos but it gives you a single plain image, which is not enough to perform well. Source: about 1 year ago

Credit to generated.photos for the AI generated face. Source: about 1 year ago

When you reverse image search the photos they all come back as coming from the site generated.photos. Source: about 1 year ago

Https://generated.photos AI generated photos. Source: over 1 year ago

You can use "generated.photos" to create faces of black people but, recently it's now a paid service :\. Source: over 1 year ago