Baidu Maps Tech Team

Nov 10, 2025 · Fundamentals

How GENREGION Revolutionizes City Region Segmentation with Vector Road Networks

GENREGION is an open‑source, vector‑based city region segmentation system that leverages road‑network graphs, novel MBR‑based clustering, and recursive left‑most vector search to produce semantically accurate, scalable polygons, outperforming traditional grid and vector methods in both semantic similarity and computational efficiency.