SPHERE: Semantic-PHysical Engaged REpresentation for 3D Semantic Scene Completion
NeutralArtificial Intelligence
The recent publication of SPHERE: Semantic-PHysical Engaged REpresentation for 3D Semantic Scene Completion on arXiv presents a novel approach to camera-based SSC, a crucial task for autonomous driving systems. Traditional voxel-based and plane-based methods have made progress but often fail to capture the physical regularities necessary for realistic scene representation. Meanwhile, neural reconstruction methods like NeRF and 3DGS excel in physical awareness but are hindered by high computational costs and slow convergence. SPHERE addresses these challenges by combining voxel and Gaussian representations, utilizing a Semantic-guided Gaussian Initialization module to enhance efficiency and a Physical-aware Harmonics Enhancement module to improve geometric accuracy. Extensive experiments on the SemanticKITTI and SSCBench-KITTI-360 benchmarks validate SPHERE's effectiveness, indicating a promising step forward in achieving more accurate and efficient scene perception in autonomous drivin…
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