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COMPGEOM
2006
ACM
15 years 9 months ago
Lower bounds on locality sensitive hashing
Given a metric space (X, dX), c ≥ 1, r > 0, and p, q ∈ [0, 1], a distribution over mappings H : X → N is called a (r, cr, p, q)-sensitive hash family if any two points in...
Rajeev Motwani, Assaf Naor, Rina Panigrahy
AAAI
2004
15 years 4 months ago
Self-Organizing Visual Maps
This paper deals with automatically learning the spatial distribution of a set of images. That is, given a sequence of images acquired from well-separated locations, how can they ...
Robert Sim, Gregory Dudek
120
Voted
CIKM
1997
Springer
15 years 7 months ago
Using a Sequential Index in Terrain-Aided Navigation
Terrain-aided navigation is a database application in which an aeroplane locates itself by matching the height trajectory with a terrain-elevation map on board the aircraft. Witho...
Ling Lin, Tore Risch
270
Voted
GRAPHICSINTERFACE
2008
15 years 4 months ago
Layered variance shadow maps
Shadow maps are commonly used in real-time rendering, but they cannot be filtered linearly like standard color, resulting in severe aliasing. Variance shadow maps resolve this pro...
Andrew Lauritzen, Michael McCool
FAST
2009
15 years 29 days ago
Sparse Indexing: Large Scale, Inline Deduplication Using Sampling and Locality
We present sparse indexing, a technique that uses sampling and exploits the inherent locality within backup streams to solve for large-scale backup (e.g., hundreds of terabytes) t...
Mark Lillibridge, Kave Eshghi, Deepavali Bhagwat, ...