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ShenhanQian / GaussianAvatars

[CVPR 2024 Highlight] The official repo for "GaussianAvatars: Photorealistic Head Avatars with Rigged 3D Gaussians"
https://shenhanqian.github.io/gaussian-avatars
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mesh of the Head #59

Closed Zvyozdo4ka closed 2 months ago

Zvyozdo4ka commented 2 months ago

thank you for publishing code.

  1. Is it possible to extract the FLAME mesh along with the Gaussian parameters directly from a video input using the GaussianAvatars method?

  2. Can a point cloud representation be generated from the Gaussian parameters obtained through this method?

ShenhanQian commented 2 months ago

Hi, thanks for your questions.

  1. Theoratically, it is possible because both GaussianAvatars and NVDiffRast can backpropagate gradients to vertices. But it may take some engineering effort.
  2. Yes, you can directly take the positions of 3D Gaussians to form a point cloud.