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Resolution Where It Counts: Hash-based GPU-Accelerated 3D Reconstruction via Variance-Adaptive Voxel Grids

DescriptionWe propose a variance-adaptive voxel grid that adjusts size based on local SDF variance. Using a flat spatial hash table, it achieves constant-time access, memory efficiency, and full GPU parallelism. Additionally, a parallel quad-tree structure supports GPU-accelerated Gaussian Splatting rendering, enabling effective control over splat density.

Authors

Lorenzo De Rebotti

University of Rome La Sapienza

Emanuele Giacomini

University of Rome La Sapienza

Giorgio Grisetti

University of Rome La Sapienza

Luca Di Giammarino

University of Rome La Sapienza

Presenter

Lorenzo De Rebotti

Sapienza, University of Rome