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Will PipNet allow gradients to flow through? #64

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mdda opened this issue Oct 9, 2022 · 0 comments
Open

Will PipNet allow gradients to flow through? #64

mdda opened this issue Oct 9, 2022 · 0 comments

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@mdda
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mdda commented Oct 9, 2022

I will just freeze the weights in the PipNet model itself, but I'd like to get gradients (to adjust aspects of the input image) from a loss created by the Landmarks vs some target Landmarks.

It looks like the code 'flows through' from input image to Landmark predictions - does this sound right? Or is there some strange discretisation step that would make the gradients nonsense?
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