Implementation of Steerable CNNs

[yuehhua]

• SteerableConv layer
• steerable CNN example

Ref. Steerable CNNs

[Jay-sanjay]

@yuehhua sir I would be more than happy to contribute to this issue , could you please elaborate the issue , like how and where to to implement the CNNs

[yuehhua]

Perhaps, we could have a better understand about the paper, then we could decide how to implement it.