[REQ] add GigaGAN

[MarcoRavich]

Hi there, thanks for your work !

It would be great to have GigaGan upscaling too: https://mingukkang.github.io/GigaGAN/

Some - maybe useful - implementations:

• @lucidrains's GigaGAN - Pytorch;
• @JiauZhang's GigaGAN;
• @jianzhnie's GigaGAN.

Hope that inspires !

note: unfortunally VideoGigaGAN - by Adobe Research - sources are not (yet ?) availabe...

[WolframRhodium]

Hi!

One problem with these existing alternative implementations is that they may perform worse than the original. In fact, it seems that none of these provides pre-trained weights.

The second problem is that the GigaGAN model uses text conditioning, which is hard to apply to video in general I think.

[NineMeowICT]

@WolframRhodium
An available weight by FAL: https://blog.fal.ai/introducing-aurasr-an-open-reproduction-of-the-gigagan-upscaler-2/
When it comes to super resolution, it doesn't require text conditioning. You can refer to this: https://github.com/GreenLandisaLie/AuraSR-ComfyUI

[WolframRhodium]

Thanks for the information.

The model is interesting because I need to improve existing vs-mlrt infrastructures to support it. This will take time.