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MIC-DKFZ / dynamic-network-architectures

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Regarding the setting of transposed convolution in unet_decoder.py. #2

Open waxybywmyyfbk opened 1 year ago

waxybywmyyfbk commented 1 year ago

I hope this message finds you well. I've been studying your code. In the original code at dynamic-network-architectures/dynamic_network_architectures/building_blocks/unet_decoder.py on line 53, I noticed that both the kernel_size and stride parameters of the transposed convolution are set using the stride value of the corresponding stage in the encoder. This approach seems a bit different from the common practice, where we typically set the kernel_size of the transposed convolution to match the kernel_size of the corresponding stage in the encoder. I was wondering if this design choice was intentional or perhaps an oversight?

Thank you for your time and consideration. I look forward to your response.

FabianIsensee commented 7 months ago

See this: https://distill.pub/2016/deconv-checkerboard/

And this video which explains it nicely: https://www.youtube.com/watch?v=ilkSwsggSNM

Probably doesn't impact things a lot in practive but having non-overlapping kernels seemed nicer to me Best, Fabian