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A sketch extractor for anime/illustration.
| Date | Stars |
|---|---|
| 2026-07-24 | 2124 |
| 2026-07-25 | 2124 |
| 2026-07-28 | 2125 |
| 2026-07-30 | 2125 |
| 2026-08-06 | 2125 |
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# Anime2Sketch
*Anime2Sketch: A sketch extractor for illustration, anime art, manga*
By [Xiaoyu Xiang](https://engineering.purdue.edu/people/xiaoyu.xiang.1)
## Updates
- 2022.1.14: Add Docker environment by [**kitoria**](https://github.com/kitoriaaa)
- 2021.12.25: Update README. Merry Christmas!
- 2021.5.24: Fix an interpolation error and a GPU inference error.
- 2021.5.12: [Web Demo](https://gradio.app/g/AK391/Anime2Sketch) by [**AK391**](https://github.com/AK391)
- 2021.5.2: Upload more example results of anime video.
- 2021.4.30: Upload the test scripts. Now our repo is ready to run!
- 2021.4.11: Upload the pretrained weights, and more test results.
- 2021.4.8: Create the repo.
## Introduction
The repository contains the testing codes and pretrained weights for Anime2Sketch.
Anime2Sketch is a sketch extractor that works well on illustration, anime art, and manga. It is an application based on the paper ["Adversarial Open Domain Adaption for Sketch-to-Photo Synthesis"](https://arxiv.org/abs/2104.05703).
## Prerequisites
- Linux, macOS, Docker
- Python 3 (Recommend to use [Anaconda](https://www.anaconda.com/download/#linux))
- CPU or NVIDIA GPU + CUDA CuDNN
- [Pillow](https://pillow.readthedocs.io/en/stable/), [PyTorch](https://pytorch.org/)
## Get Started
### Installation
Install the required packages: ```pip install -r requirements.txt```
### Download Pretrained Weights
Please download the weights from [GoogleDrive](https://drive.google.com/drive/folders/1Srf-WYUixK0wiUddc9y3pNKHHno5PN6R?usp=sharing), and put it into the [weights/](weights/) folder.
We also have an **artifact-free** version of the model which works with dark / low contrast images. You can download the weights from [GoogleDrive](https://drive.google.com/file/d/1cf90_fPW-elGOKu5mTXT5N1dum-XY_46/view?usp=sharing), and put it into [weights/](weights/) folder.
### Test
```Shell
python3 test.py --dataroot /your_input/dir --load_size 512 --output_dir /your_output/dir
```
The above command includes three arguments:
- dataroot: your test file or directory
- load_size: due to the memory limit, we need to resize the input image before processing. By default, we resize it to `512x512`.
- output_dir: path of the output directory
Run our example:
```Shell
python3 test.py --dataroot test_samples/madoka.jpg --load_size 512 --output_dir results/
```
### Docker
If you want to run on Docker, you can easily do so by customizing the input/output images directory.
Build docker image
```Shell
make docker-build
```
Setting input/output directory
You can customize mount volumes for input/output images by Makefile. Please setting your target directory.
```
docker run -it --rm --gpus all -v `pwd`:/workspace -v {your_input_dir}:/input -v {your_output_dir}:/output anime2sketch
```
example:
```
docker run -it --rm --gpus all -v `pwd`:/workspace -v `pwd`/test_samples:/input -v `pwd`/output:/output anime2sketch
```
Run
```Shell
make docker-run
```
if you want to run **cpu only**, you will need to fix two things (remove gpu options).
- Dockerfile CMD line to ```CMD [ "python", "test.py", "--dataroot", "/input", "--load_size", "512", "--output_dir", "/output" ]```
- Makefile docker-run line to ```docker run -it --rm -v `pwd`:/workspace -v `pwd`/images/input:/input -v `pwd`/images/output:/output anime2sketch```
### Train
This project is a sub-branch of [AODA](https://github.com/Mukosame/AODA). Please check it for the training instructions.
## More Results
Our model works well on illustration arts:
Turn handrawn photos to clean linearts:
Simplify freehand sketches:
And more anime results:
## Contact
[Xiaoyu Xiang](https://engineering.purdue.edu/people/xiaoyu.xiang.1).
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