facebookresearch / mvp

Training and Evaluation Code for "Mixture of Volumetric Primitives for Efficient Neural Rendering"
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Understanding about the opacity fade factor #15

Open LSQsjtu opened 1 year ago

LSQsjtu commented 1 year ago

Thanks for sharing this awsome job. I have read the paper. And I have some questions about the opacity fade factor.

  1. Due to the fade factor, the opacity downsample at the volume edge. Does it make the primitives scale become bigger to cover the scene?(maybe opposite to the Volume Minimization Prior)
  2. Is there any experiments to ensure the parameters $\alpha$ and $\beta$?
  3. Does the fade factor make the center of the primitives more close to high occupancy point?
  4. And what is the relationship between stylegan2 and fade factor?

And is there any suggestions to understand the cuda code of raymarching? I haven't do anything rely to cuda parallel.