http://nuclearchange.i2p/overboard.html?add=&amp%3Bamp%3Bamp%3Bamp%3Binclude_default=true&amp%3Bamp%3Bamp%3Bamp%3Brem=&amp%3Bamp%3Bamp%3Bamp%3Bpage=2&amp%3Bamp%3Bpage=1&amp%3Bpage=1
The main requirement for image AI is GPU VRAM, so if your computer has a decent amount (or you're willing to rent one online) you should be able to experiment with that. From a quick check, it looks like the most recommended free tool is currently https://github.com/k4yt3x/video2x The quality of the source matters, so try to find the best quality copy of the film first (that doesn't necessarily mean the nicest looking - someone might have increased the saturation to make colors look better...