[GitHub] [incubator-mxnet] hubutui opened a new issue #14374: incomplete formula for correlation layer?

[GitBox <gi...@apache.org>]

hubutui opened a new issue #14374: incomplete formula for correlation layer?
URL: https://github.com/apache/incubator-mxnet/issues/14374
 
 
   Hi, I check https://mxnet.incubator.apache.org/versions/master/api/python/ndarray/ndarray.html#mxnet.ndarray.Correlation, and it seems that the formula of correlation is incomplete. According to FlowNet, it should be:
   ```
   c(x_{1}, x_{2}) = \sum_{o \in [-k,k] \times [-k,k]} <f_1(x_1+o), f_2(x_2+o)>
   ```
   Also, adding FlowNet referrence to document may helps.

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