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Backward Pass of Warping layer #37

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Yihan-zz opened this issue Mar 24, 2021 · 0 comments
Open

Backward Pass of Warping layer #37

Yihan-zz opened this issue Mar 24, 2021 · 0 comments

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@Yihan-zz
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Hi, thanks for your for implementing and sharing. I am wondering how the backward pass of warping layer working. As far as I am concerned, Floor() operation is nondifferentiable. Do we need to use gradient_override_map to substitute gradient of Identity op for Floor ?
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@Yihan-zz