Adobe researchers have demonstrated the progress of their VideoGigaGAN AI that upscales low-quality videos. The visual quality of the generated videos is better than other AI tested, but more research is needed to overcome notable limitations.https://www.notebookcheck.net/Adobe-researchers-demonstrate-progress-of-VideoGigaGAN-AI-to-upscale-low-quality-videos-while-maintaining-high-detail-level.831519.0.html
Useful if you have a 15 year old phone I guess