Difference between upsample and convtranspose

1

Could someone please explain the difference of upsample layer and convtranspose layer to me?

I’m trying to implement a UNet model. I’ve seen both of the two layers in different UNet implementation. It seems they are very similar layers.

2

There are learnable parameters in nn.ConvTranspose2d while nn.Upsample not.

It’s something like the difference between nn.Conv2d and nn.AvgPool2d.

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3

Thanks for the answer, Yun.