MODNet: Is a Green Screen Really Necessary for Real-Time Portrait Matting?

Arxiv Preprint | Supplementary Video

WebCam Demo [Offline][Colab] | Image Demo [WebGUI][Colab]

This is the official project of our paper Is a Green Screen Really Necessary for Real-Time Portrait Matting?

MODNet is a trimap-free model for portrait matting in real time under changing scenes.

News

[Dec 15 2020] A cool WebGUI for image matting based on MODNet is built by the Gradio team!
[Dec 10 2020] Release WebCam Matting Demo [Offline][Colab] and Image Matting Demo [WebGUI][Colab].
[Nov 24 2020] Release Arxiv Preprint and Supplementary Video.

WebCam Matting Demo

We provide two real-time portrait video matting demos based on WebCam. When using the demo, you can move the WebCam around at will. If you have an Ubuntu system, we recommend you to try the offline demo to get a higher fps. Otherwise, you can access the online Colab demo.

Image Matting Demo

We provide an online Colab demo for portrait image matting.
It allows you to upload portrait images and predict/visualize/download the alpha mattes.

You can also use this WebGUI (hosted on Gradio) for portrait image matting directly from your browser without any code! The source code of this demo is coming soon.

TO DO

Release training code (scheduled in Jan. 2021)
Release PPM-100 validation benchmark (scheduled in Feb. 2021)

License

This project is released under the Creative Commons Attribution NonCommercial ShareAlike 4.0 license.

Acknowledgement

We thank City University of Hong Kong and SenseTime for their support to this project.
We thank the Gradio team for their contributions to building the demos.

Citation

If this work helps your research, please consider to cite:

@article{MODNet,
  author = {Zhanghan Ke and Kaican Li and Yurou Zhou and Qiuhua Wu and Xiangyu Mao and Qiong Yan and Rynson W.H. Lau},
  title = {Is a Green Screen Really Necessary for Real-Time Portrait Matting?},
  journal={ArXiv},
  volume={abs/2011.11961},
  year = {2020},
}

Contact

This project is currently maintained by Zhanghan Ke (@ZHKKKe).
If you have any questions, please feel free to contact kezhanghan@outlook.com.

zstarpak/MODNet

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