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[D] How can I understand the Max Pooling Operation in this Paper?

In this paper, the Input got scaled down from 41×81×6 to 40x80x6 with Max Pooling.

How did they exactly do it?

https://arxiv.org/ftp/arxiv/papers/1901/1901.07761.pdf

I want to do something similar done in this paper, but I have 2 Matrixes with 65×49 and 4 with 64×48, since there is a difference with nodes and elements. (There is one more node in each dimension of the Elements)

They look like this:

https://imgur.com/a/7Mtq4s4

The problem is: strains can be only on elements, the volume fraction as well (These are the 4 64×48 Matrixes). The displacement can only be shown with nodes. (These are the 2 65×49 Matrixes)

I was thinking about adding padding to the smaller Matrixes, so that the Dimensions are the same. Is a zero-padding okay in this case, since I make a Max Pooling Operation anyways?

submitted by /u/avdalim
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.