Pretrained: 4xPSNR

Texture retaining denoiser and sharpener for digital artwork

Sample images: https://1drv.ms/u/s!Aip-EMByJHY28xKFp93VIGydNsoN?e=vN2WYh

ArtClarity

PixelSharpen

Category: Art/Pixel Art
Purpose: Digital Art/People
Pretrained: Mainly for digital art, but can be used to upscale pixel art.

ArtStation1337

ArtStation1337 Bloom

ArtStation1337 Dedither

ArtStation1337 Dedither v2

ArtStation1337 Diffuse

ArtStation1337 v2

Category: Art/Pixel Art

Larger-scaled pixels to digital painting

BigFArt

BigFArt Bang1

BigFArt Base

BigFArt Blend

BigFArt Detail

BigFArt Fine

BigFace

BigFace V3 Blend

BigFace V3 Clear

BigFace v3

FArtFace

Category: Art/Pixel Art
Purpose: Pixel Art/Paintings

Upscale pixel art/paintings to digital painting style

Lady0101

Purpose: Art/People

A sharp upscaler trained specifically for small sprite faces. Does not blend, so avoid using on painted/photo portraits unless you were trying to retain more of the outlines somehow.

SmolFace

SmolFace Clean

Category: Art/Pixel Art
Purpose: Art

Illustrations with with larger shaped features (?).

Pretrained model: 4x_UltraFArt

UltraFArt v3

UltraFArt v3 Fine

UltraFArt v3 Photo

UltraFArt v3 Smooth

Upscaling CG-painted anime with variable outlines.

Pretrained model: Manga109v2.pth

WaifuGAN v3

Basically realesrgan-x4plus without the degradation training. Supposed to help retain more details, but unfortunately due to the dataset (I think) still blurs details adjacent to other objects.

realesrgan-x4minus

Category: Art/Pixel Art
Purpose: Digital Illustrations

Trained on a variety of images from ArtStation

HugePaint

Category: Art/Pixel Art
Purpose: Art/People

Painted humans

DinJerr's Models