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VITA-Group / LightGaussian

"LightGaussian: Unbounded 3D Gaussian Compression with 15x Reduction and 200+ FPS", Zhiwen Fan, Kevin Wang, Kairun Wen, Zehao Zhu, Dejia Xu, Zhangyang Wang
https://lightgaussian.github.io/
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Question about rendering #8

Closed cfchi closed 6 months ago

cfchi commented 6 months ago

Hi, thanks for sharing your great work. About rendering, I'd like to ask about the generalizability of your work. According to code in render_video.py

image

If I use command 'python render_video.py' without --video, then the operation of rasterization is the same as that of 3DGS, right? Is it correct that if I only do inference I can render it offline? In other words, for inference, the calculation of important scores is unnecessary, and there is no additional calculation comparing with 3DGS.

Kevin-2017 commented 6 months ago

Thanks for your interest in our work! Yeah, the inference is the same as 3DGS and the important score is only calculated during training.

cfchi commented 6 months ago

Thank you for your prompt reply. I am very impressed by the results you have been able to achieve.