Searching Central Difference Convolutional Networks for Face Anti-Spoofing

差分卷积，提取一致性的细粒度信息

Code：虽然已经开源，但是issue提问精度难以复现

GitHub - ZitongYu/CDCN: Central Difference Convolutional Networks (CVPR’20)

• 常规卷积：

    ![[Pasted image 20240326173535.png]]
  

• 差分卷积