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DATAMINE
1999
113views more  DATAMINE 1999»
14 years 10 months ago
A Fast Parallel Clustering Algorithm for Large Spatial Databases
The clustering algorithm DBSCAN relies on a density-based notion of clusters and is designed to discover clusters of arbitrary shape as well as to distinguish noise. In this paper,...
Xiaowei Xu, Jochen Jäger, Hans-Peter Kriegel
TPDS
2002
94views more  TPDS 2002»
14 years 10 months ago
Recursive Array Layouts and Fast Matrix Multiplication
The performance of both serial and parallel implementations of matrix multiplication is highly sensitive to memory system behavior. False sharing and cache conflicts cause traditi...
Siddhartha Chatterjee, Alvin R. Lebeck, Praveen K....
73
Voted
TVCG
2010
141views more  TVCG 2010»
14 years 9 months ago
Fast Construction of k-Nearest Neighbor Graphs for Point Clouds
—We present a parallel algorithm for k-nearest neighbor graph construction that uses Morton ordering. Experiments show that our approach has the following advantages over existin...
Michael Connor, Piyush Kumar
106
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ICASSP
2009
IEEE
14 years 8 months ago
Fast mean square convergence of consensus algorithms in WSNs with random topologies
The average consensus in wireless sensor networks is achieved under assumptions of symmetric or balanced topology at every time instant. However, communication and/or node failure...
Silvana Silva Pereira, Alba Pagès-Zamora
TOG
2010
129views more  TOG 2010»
14 years 5 months ago
Optical computing for fast light transport analysis
We present a general framework for analyzing the transport matrix of a real-world scene at full resolution, without capturing many photos. The key idea is to use projectors and ca...
Matthew O'Toole, Kiriakos N. Kutulakos