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From "Prithviraj Sen (JIRA)" <>
Subject [jira] [Commented] (SYSTEMML-1483) Add Deconvolution layer in nn library and Caffe2DML
Date Wed, 03 May 2017 23:22:04 GMT


Prithviraj Sen commented on SYSTEMML-1483:

I tried running conv2d_backward_data with a 3X3 filter and 2X2 delta map (no padding, stride=1).
It returned a 3X3 output. Running a valid convolution on a 3X3 input with a 3X3 filter does
not return a 2X2 output. That's why I couldn't figure out whether the behavior of conv2d_backward_data
was correct, in this case.

Running a valid convolution with a 3X3 filter on a 4X4 input does return a 2X2 output. This
is why, I was expecting a 4X4 result in the previous case.

> Add Deconvolution layer in nn library and Caffe2DML
> ---------------------------------------------------
>                 Key: SYSTEMML-1483
>                 URL:
>             Project: SystemML
>          Issue Type: Sub-task
>            Reporter: Niketan Pansare
> [] [~prithvi_r_s] 

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