Why does the number of channels in the PointNet increase as we go deeper?

Asked Jul 17 '20 at 05:47

Active Jul 17 '20 at 12:03

Viewed 128 times

For example, in PointNet, you see the 1D convolutions with the following channels 64 -> 128 -> 1024. Why not e.g. 64 -> 1024 -> 1024 or 1024 -> 1024 -> 1024?

edited Jul 17 '20 at 12:03

nbro

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asked Jul 17 '20 at 05:47

user3180

Why does the number of channels in the PointNet increase as we go deeper?

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