3049 search results - page 506 / 610 » On the Convergence of Bound Optimization Algorithms |
ICASSP
2009
IEEE
13 years 6 months ago
2009
IEEE
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
Query expansion is a functionality of search engines that suggests a set of related queries for a user-issued keyword query. Typical corpus-driven keyword query expansion approach...
MMAS
2011
Springer
12 years 11 months ago
2011
Springer
This paper introduces a new sweeping preconditioner for the iterative solution of the variable coefficient Helmholtz equation in two and three dimensions. The algorithms follow th...
CPM
2007
Springer
14 years 3 months ago
2007
Springer
We consider the two-dimensional Range Minimum Query problem: for a static (m × n)-matrix of size N = mn which may be preprocessed, answer on-line queries of the form “where is t...
CVGIP
2006
13 years 9 months ago
2006
This paper presents a system for rapid editing of highly dynamic motion capture data. At the heart of this system is an optimization algorithm that can transform the captured moti...