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» An Efficient Algorithm for Local Distance Metric Learning
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CORR
2010
Springer
157views Education» more  CORR 2010»
14 years 9 months ago
Efficient Clustering with Limited Distance Information
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model ...
Konstantin Voevodski, Maria-Florina Balcan, Heiko ...
TPDS
2002
173views more  TPDS 2002»
14 years 9 months ago
Data Gathering Algorithms in Sensor Networks Using Energy Metrics
Sensor webs consisting of nodes with limited battery power and wireless communications are deployed to collect useful information from the field. Gathering sensed information in an...
Stephanie Lindsey, Cauligi S. Raghavendra, Krishna...
ICCV
2009
IEEE
1297views Computer Vision» more  ICCV 2009»
15 years 8 months ago
Effective and Efficient Interpolation for Mutual Information based Multimodality Elastic Image Registration
Mutual information (MI) is a popular similarity metric for multimodality image registration purpose. However, it is negatively influenced by artifacts due to interpolation effec...
R. Gallea, E. Ardizzone, R. Pirrone, O. Gambino
AUSAI
2009
Springer
15 years 4 months ago
A Graph Distance Based Structural Clustering Approach for Networks
In the era of information explosion, structured data emerge on a large scale. As a description of structured data, network has drawn attention of researchers in many subjects. Netw...
Xin Su, Chunping Li
JCB
2006
115views more  JCB 2006»
14 years 9 months ago
Designing an A* Algorithm for Calculating Edit Distance between Rooted-Unordered Trees
Tree structures are useful for describing and analyzing biological objects and processes. Consequently, there is a need to design metrics and algorithms to compare trees. A natura...
Yair Horesh, Ramit Mehr, Ron Unger