An optimal algorithm for approximate nearest neighbor searching in fixed dimensions
Sunil Arya,
David M. Mount,
Nathan S. Netanyahu,
Ruth Silverman,
and Angela Y. Wu
J. ACM 45(6):891–923, Nov 1998
Tech. report CS-TR-3568, Univ. of Maryland, College Park, Dept. of Computer Science, Dec 1995
http://www.cfar.umd.edu/ftp/TRs/Text-files-of-published-TRs/TR3568-Arya.tex
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