waifu2x

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Single-Image Super-Resolution for Anime-Style Art using Deep Convolutional Neural Networks. And it supports photo.

Show full demonstration | Go to GitHub

Image choosing (D&D):
Or choose a file:
Limits: Size: 5MB, Noise Reduction: 3000x3000px, Upscaling: 1500x1500px.
Style:
Noise Reduction:
(expect JPEG artifact)
You need use noise reduction if image actually has noise or it may cause opposite effect.
Upscaling:
🚀 4x
Image Format:
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