https://github.com/alixunxing/cdcn

Central Difference Convolutional Networks (CVPR'20)

https://github.com/alixunxing/cdcn

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Central Difference Convolutional Networks (CVPR'20)

https://github.com/alixunxing/CDCN/blob/master/

# CDCN

Main code of [**CVPR2020 paper "Searching Central Difference Convolutional Networks for Face Anti-Spoofing"**  ](https://arxiv.org/pdf/2003.04092v1.pdf) 

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Based on the **Central Difference Convolution (CDC)** and **Contrastive Depth Loss (CDL)**, we achieved

**1st Place** in ChaLearn Multi-Modal Face Anti-spoofing Attack Detection Challenge @CVPR2020


**2nd Place** in ChaLearn Single-Modal(RGB) Face Anti-spoofing Attack Detection Challenge @CVPR2020

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 It is just for **research purpose**, and commercial use is not allowed.

Citation
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If you use the CDC, D-CDC or CDL, please cite these six papers:  

>@inproceedings{yu2020nasfas,  
 >    title={NAS-FAS: Static-Dynamic Central Difference Network Search for Face Anti-Spoofing},      
 >    author={Yu, Zitong and Wan, Jun and Qin, Yunxiao and Li, Xiaobai and Li, Stan Z. and Zhao, Guoying},  
 >    booktitle= {TPAMI},  
 >    year = {2020}  
 >}  

 >@inproceedings{yu2021dual,  
 >    title={Dual-Cross Central Difference Network for Face Anti-Spoofing},      
 >    author={Yu, Zitong and Qin, Yunxiao and Zhao, Hengshuang and Li, Xiaobai and Zhao, Guoying},  
 >    booktitle= {IJCAI},  
 >    year = {2021}  
 >}  

 >@inproceedings{yu2020searching,  
 >    title={Searching Central Difference Convolutional Networks for Face Anti-Spoofing},      
 >    author={Yu, Zitong and Zhao, Chenxu and Wang, Zezheng and Qin, Yunxiao and Su, Zhuo and Li, Xiaobai and Zhou, Feng and Zhao, Guoying},  
 >    booktitle= {CVPR},  
 >    year = {2020}  
 >}  

 >@inproceedings{yu2020face,  
 >    title={Face Anti-spoofing with Human Material Perception},      
 >    author={Yu, Zitong and Li, Xiaobai and Niu, Xuesong and Shi, Jingang and Zhao, Guoying},  
 >    booktitle= {ECCV},  
 >    year = {2020}  
 >}  

 >@inproceedings{wang2020deep,  
 >    title={Deep Spatial Gradient and Temporal Depth Learning for Face Anti-spoofing},      
 >    author={Wang, Zezheng and Yu, Zitong and Zhao, Chenxu and Zhu, Xiangyu and Qin, Yunxiao and Zhou, Qiusheng and Zhou, Feng and Lei, Zhen},  
 >    booktitle= {CVPR},  
 >    year = {2020}  
 >}  

 >@inproceedings{qin2019learning,  
 >    title={Learning Meta Model for Zero-and Few-shot Face Anti-spoofing},      
 >    author={Qin, Yunxiao and Zhao, Chenxu and Zhu, Xiangyu and Wang, Zezheng and Yu, Zitong and Fu, Tianyu and Zhou, Feng and Shi, Jingping and Lei, Zhen},  
 >    booktitle= {AAAI},  
 >    year = {2020}  
 >}  

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