Simple interpolated grids beat tested INRs at equal parameter count on dense 2D and 3D signals, while INRs retain an edge on sparse, lower-dimensional signals.
Neural networks for implicit representations of 3d scenes
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Grids Often Outperform Implicit Neural Representations at Compressing Dense Signals
Simple interpolated grids beat tested INRs at equal parameter count on dense 2D and 3D signals, while INRs retain an edge on sparse, lower-dimensional signals.