Paints Chainer

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

DEMO

If not specified, versions are assumed to be recent LTS version.

A Nvidia graphic card supporting cuDNN i.e. compute capability >= 3.0 (See https://developer.nvidia.com/cuda-gpus)
Linux: gcc/ g++ 4.8
Windows: "Microsoft Visual C++ Build Tools 2015" (NOT "Microsoft Visual Studio Community 2015")
Python 3 (3.5 recommended) ( Python 2.7 needs modifying web host (at least) )
Numpy
openCV "cv2" (Python 3 support possible, see installation guide)
Chainer 2.0.0 or later
CUDA / cuDNN (If you use GPU)

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

boot local server
python server.py

access to localhost
localhost:8000/

main code of colorization is in cgi-bin/paint_x2_unet

to train 1st layer using GPU 0 python train_128.py -g 0
to train 2nd layer using GPU 0 python train_x2.py -g 0

Source code : MIT License

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

Feel free to request an invitation!

This project is powered by Preferred Networks.

Thanks a lot for rezoolab, mattya, okuta, ofk . This project could not be achived without their great support.

Line drawing of top image is by ioiori18.