This time I'm having fun upscaling old retrogame pixel art to live action characters in ComfyUI. It's basically an overview over various upscaling techniques, Tile ControlNet and a little of prompt engineering. Hope you find it useful!

The workflow: https://pastebin.com/jr8FEYTW

00:00 Intro
00:25 Prompting
02:40 Tile ControlNet
04:30 Latent vs Pixel Upscalers
06:36 Latent Upscale
08:07 Model based Latent Upscale
09:43 Image Upscale (pixel space)
10:59 Image Upscale with Model
12:44 Upscale with ControlNet
15:15 Wrap up with another example
20:13 Conclusions

Background Music
CyberPunk City by Peritune (https://peritune.com/blog/2020/05/22/...)
"Part A" by Alexander Nakarada (https://www.serpentsoundstudios.com)
Licensed under Creative Commons BY Attribution 4.0 License
Last Stop Synthwave by Karl Casey @ White Bat Audio (https://whitebataudio.com/)