[omneity]

Can someone explain to me how is it possible using gaussians to have different reflections based on the angle of view like on the demos? I'm finding it hard to grasp.

[jacobgorm]

I believe that is due to the use of Spherical Harmonics.

[Aardwolf]

That seems more complex to store and render than everything else about a gaussian splat, how are these used efficiently?

[jacobgorm]

There is a bit of explanation here https://aras-p.info/blog/2023/09/05/Gaussian-Splatting-is-pr... (found via Google).