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» Efficient incremental constrained clustering
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ICASSP
2011
IEEE
12 years 11 months ago
Co-clustering as multilinear decomposition with sparse latent factors
The K-means clustering problem seeks to partition the columns of a data matrix in subsets, such that columns in the same subset are ‘close’ to each other. The co-clustering pr...
Evangelos E. Papalexakis, Nicholas D. Sidiropoulos
ICMCS
2007
IEEE
203views Multimedia» more  ICMCS 2007»
14 years 2 months ago
Efficient Video Object Segmentation by Graph-Cut
Segmentation of video objects from background is a popular computer vision problem and has many important applications. Most existing methods are either computationally expensive ...
Jinjun Wang, Wei Xu, Shenghuo Zhu, Yihong Gong
PVLDB
2008
154views more  PVLDB 2008»
13 years 7 months ago
Indexing land surface for efficient kNN query
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
Cyrus Shahabi, Lu-An Tang, Songhua Xing
IMR
2004
Springer
14 years 1 months ago
Efficient Spacetime Meshing with Nonlocal Cone Constraints
Spacetime Discontinuous Galerkin (DG) methods are used to solve hyperbolic PDEs describing wavelike physical phenomena. When the PDEs are nonlinear, the speed of propagation of th...
Shripad Thite
CONSTRAINTS
2002
129views more  CONSTRAINTS 2002»
13 years 7 months ago
Cost-Based Arc Consistency for Global Cardinality Constraints
A global cardinality constraint (gcc) is specified in terms of a set of variables X = {x1, ..., xp} which take their values in a subset of V = {v1, ..., vd}. It constrains the numb...
Jean-Charles Régin