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Trinary-Projection Trees for Approximate Nearest Neighbor Search
Approximate nearest neighbor search KD trees trinary-projection trees
2016/1/23
We address the problem of approximate nearest neighbor (ANN) search for visual descriptor indexing. Most spatial partition trees, such as KD trees, VP trees and so on, follow the hierarchical binary s...
Speeding-up lattice sieving without increasing the memory, using sub-quadratic nearest neighbor search
Nearest neighbor search lattice sieve
2015/12/30
We give a simple heuristic sieving algorithm for the m-dimensional
exact shortest vector problem (SVP) which runs in time 20.3112m+o(m)
. Unlike
previous time-memory trade-offs, we do not increase ...