There's an interesting recent Siggraph paper on scaling up Gaussian splatting in a very different way, which offers some interesting benefits; Gaussian point splatting.

* Video: https://www.youtube.com/watch?v=2AWv_nIfp-U

* Paper: https://jorisar.nl/gaussian_point_splatting/gaussian_point_s...

* Repo: https://github.com/JorisAR/gaussian-point-splatting