line drawing colorization using chainer
Jupyter Notebook Python JavaScript HTML CSS
Pull request Compare This branch is 8 commits ahead, 161 commits behind pfnet:master.

Paints Chainer

Paints Chainer is line drawing colorizer using chainer. Using CNN, you can colorize your scketch automatically / semi-automatically .



  • Chainer
  • CUDA / cudnn

How to boot UI

UI is html based. using wPaint.js Server side is very basic python server

boot local server python

access to localhost localhost:8000/static/


main code of colorization is in cgi-bin/paint_x2_unet

to train 1st layer using GPU 0 python -g 0 to train 2nd layer using GPU 0 python -g 0


Pre-Trained Models

Download following model files to cgi-bin/paint_x2_unet/models/