LCGNav improves online topological VLN-CE by converting local depth views to physically truncated 3D point clouds and applying selective dimension-preserving fusion, yielding consistent gains on R2R-CE and RxR-CE benchmarks with open code.
Vision-and-language nav- igation: Interpreting visually-grounded navigation instructions in real environments
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LCGNav: Local Candidate-Aware Geometric Enhancement for General Topological Planning in Vision-Language Navigation
LCGNav improves online topological VLN-CE by converting local depth views to physically truncated 3D point clouds and applying selective dimension-preserving fusion, yielding consistent gains on R2R-CE and RxR-CE benchmarks with open code.