What is STN Second-Order Difference Constraint?

switchablenorms / DeepFashion_Try_On

Official code for "Towards Photo-Realistic Virtual Try-On by Adaptively Generating↔Preserving Image Content"，CVPR‘20 https://arxiv.org/abs/2003.05863

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Closed raviranjankarn closed 2 years ago

raviranjankarn commented 2 years ago

Hi all, I tried to understand Second-Order Difference Constraint. But could not understand it well. Can someone explain what is it?

LZQhardworker commented 2 years ago

It is a Laplacian penalty, which can be seen as a second-order total variation loss applied on grid