Search Sciweavers | Sciweavers

611 search results - page 17 / 123

» The Cardinality Matrix Constraint

Voted

ICASSP
2010
IEEE

141views Signal Processing» more ICASSP 2010»

Multiplicative update rules for nonnegative matrix factorization with co-occurrence constraints

14 years 12 months ago

Download www.cspl.umd.edu

Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, ﬁnanc...

Steven K. Tjoa, K. J. Ray Liu

claim paper

Read More »

click to vote

IPCO
2007

87views Optimization» more IPCO 2007»

On Integer Programming and the Branch-Width of the Constraint Matrix

15 years 1 months ago

Download www.math.uwaterloo.ca

Consider an integer program max(ct x : Ax = b, x ≥ 0, x ∈ Zn ) where A ∈ Zm×n , b ∈ Zm , and c ∈ Zn . We show that the integer program can be solved in pseudo-polynomial...

William H. Cunningham, Jim Geelen

claim paper

Read More »

click to vote

IJPRAI
2008

84views more IJPRAI 2008»

Robust Fundamental Matrix Estimation Using Coplanar Constraints

14 years 11 months ago