AI RESEARCH
Voronoi-based Second-order Descriptor with Whitened Metric in LiDAR Place Recognition
arXiv CS.CV
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ArXi:2603.14974v1 Announce Type: new The pooling layer plays a vital role in aggregating local descriptors into the metrizable global descriptor in the LiDAR Place Recognition (LPR). In particular, the second-order pooling is capable of capturing higher-order interactions among local descriptors. However, its existing methods in the LPR adhere to conventional implementations and post-normalization, and incur the descriptor unsuitable for Euclidean distancing.