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Questions about paper #3

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stalkerrush opened this issue Sep 19, 2020 · 0 comments
Open

Questions about paper #3

stalkerrush opened this issue Sep 19, 2020 · 0 comments

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@stalkerrush
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Hi @B1ueber2y @pengsongyou , thanks for the great work! I have two questions regarding your paper:

  1. For video sequence supervised reconstruction, you mentioned that you did not use masks. Then why does the final predicted shape only contain foreground objects? I assume that the shape should be random at the beginning and the photometric loss is applied to each pixel of a pair of groundtruth images.
  2. It seems that you always optimize the latent code instead of the model. To my understanding, this means for every new object you would need a specific optimization. Is there any reason why you didn't optimize the model and use an image encoder to make the sdf network conditioned on an input?

Thank you!

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