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» The Cardinality Matrix Constraint

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ICASSP
2010
IEEE

141views Signal Processing» more ICASSP 2010»

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

14 years 9 months ago

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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

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IPCO
2007

87views Optimization» more IPCO 2007»

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

14 years 11 months ago

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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

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IJPRAI
2008

84views more IJPRAI 2008»

Robust Fundamental Matrix Estimation Using Coplanar Constraints

14 years 9 months ago