New Directions in Approximate Nearest-Neighbor Searching

  • David M. MountEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11394)


Approximate nearest-neighbor searching is an important retrieval problem with numerous applications in science and engineering. This problem has been the subject of many research papers spanning decades of work. Recently, a number of dramatic improvements and extensions have been discovered. In this paper, we will survey some of recent techniques that underlie these developments. In particular, we discuss local convexification, Macbeath regions, Delone sets, and how to apply these concepts to develop new data structures for approximate polytope membership queries and approximate vertical ray-shooting queries.


Approximate nearest-neighbor searching Convexification Macbeath regions Geometric algorithms and data structures 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Computer Science and Institute for Advanced Computer StudiesUniversity of MarylandCollege ParkUSA

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