Luminance dominates geometry formation in 3D Gaussian Splatting, new paper finds

kwangmoo_yi · x · 2026-10-03

A note on the paper "What Builds the Scene? Luminance Dominates Geometry Formation in 3D Gaussian Splatting" (Joshaghani et al.), showing luminance is the dominant cue for geometry in 3DGS. The commenter recalls that early vision used grayscale images because they sufficed to infer shape — and that intuition still holds.

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