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arXiv (Cornell University)
EHL*: Memory-Budgeted Indexing for Ultrafast Optimal Euclidean Pathfinding
August 2024 • Jinchun Du, Bojie Shen, Muhammad Aamir Cheema
The Euclidean Shortest Path Problem (ESPP), which involves finding the shortest path in a Euclidean plane with polygonal obstacles, is a classic problem with numerous real-world applications. The current state-of-the-art solution, Euclidean Hub Labeling (EHL), offers ultra-fast query performance, outperforming existing techniques by 1-2 orders of magnitude in runtime efficiency. However, this performance comes at the cost of significant memory overhead, requiring up to tens of gigabytes of storage on large maps, w…
Euclidean Geometry
Computer Science
Artificial Intelligence
Theoretical Computer Science
Mathematics
Geometry