facebookresearch / facebookresearch/SlowFast

The temporal kernel size of conv1 in X3D is inconsistent with the paper

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Description

Excellent work and code. Just a question about the kernel size. In the released code, the temporal kernel size of conv1 is 5 for X3D:

![image](https://user-images.githubusercontent.com/46680018/113188039-8e143180-9227-11eb-9d14-492dc0055503.png)

But in the paper, it should be 3:
![image](https://user-images.githubusercontent.com/46680018/113188597-3d510880-9228-11eb-85fd-436f094e48f5.png)

It would be nice if someone could clarify this issue.

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