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by crubier 928 days ago
Yeah splats can encode view dependency without SH, but not with a correct geometry. E.g. often, you see reflections encoded in GS as just a 3d scene on the other side of the mirror. Other view dependency effect can make the surfaces "fluffy", etc. This is not great when you also try to get decent geometry.

That said, I don't think SH are the best way to represent view dependency. Other approaches using MLP or deep features seem more promising.