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ICML
2003
IEEE
14 years 6 months ago
Weighted Low-Rank Approximations
We study the common problem of approximating a target matrix with a matrix of lower rank. We provide a simple and efficient (EM) algorithm for solving weighted low-rank approximat...
Nathan Srebro, Tommi Jaakkola
BIOINFORMATICS
2008
119views more  BIOINFORMATICS 2008»
13 years 5 months ago
Optimal design of thermally stable proteins
Motivation: For many biotechnological purposes, it is desirable to redesign proteins to be more structurally and functionally stable at higher temperatures. For example, chemical ...
Ryan M. Bannen, Vanitha Suresh, George N. Phillips...
FUZZY
1997
Springer
166views Fuzzy Logic» more  FUZZY 1997»
13 years 10 months ago
Optimizing Video Signal Processing Algorithms by Evolution Strategies
Today many kinds of postprocessing are used in digital TV receivers or multimedia terminals for video signals to enhance the picture quality. To achieve this the properties of hum...
H. Blume, O. Franzen, M. Schmidt
ICIP
2002
IEEE
14 years 7 months ago
A MAP IIR filter for 3D ultrasound
Bayesian reconstruction methods are slow and have been avoided in 3D ultrasound, since fast algorithms are required. This paper tries to overcome this difficulty by presenting a f...
João M. Sanches, Jorge S. Marques
IJON
2008
124views more  IJON 2008»
13 years 5 months ago
A dynamic algorithm for blind separation of convolutive sound mixtures
We study an efficient dynamic blind source separation algorithm of convolutive sound mixtures based on updating statistical information in the frequency domain, and minimizing the...
Jie Liu, Jack Xin, Yingyong Qi