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ICASSP
2011
IEEE
13 years 14 days ago
Improvement to esprit-type frequency estimators via reducing data redundancy
In this paper, the problem of estimating the damping factor and frequency parameters from multiple cisoids in noise is addressed. We rst propose a data matrix which generalizes th...
Weize Sun, Hing Cheung So
ICASSP
2011
IEEE
13 years 14 days ago
Music algorithm to localize sources with unknown directivity in acoustic imaging
The Multiple Signal Classification (MUSIC) algorithm for acoustic imaging most commonly assumes that all sources have undirectional radiation pattern. We here propose a modifica...
Forooz Shahbazi Avarvand, Andreas Ziehe, Guido Nol...
CORR
2012
Springer
225views Education» more  CORR 2012»
12 years 4 months ago
Compressive Principal Component Pursuit
We consider the problem of recovering a target matrix that is a superposition of low-rank and sparse components, from a small set of linear measurements. This problem arises in co...
John Wright, Arvind Ganesh, Kerui Min, Yi Ma
TOG
2008
123views more  TOG 2008»
13 years 8 months ago
Efficient multiple scattering in hair using spherical harmonics
Previous research has shown that a global multiple scattering simulation is needed to achieve physically realistic renderings of hair, particularly light-colored hair with low abs...
Jonathan T. Moon, Bruce Walter, Steve Marschner
BMCBI
2008
163views more  BMCBI 2008»
13 years 9 months ago
ProfileGrids as a new visual representation of large multiple sequence alignments: a case study of the RecA protein family
Background: Multiple sequence alignments are a fundamental tool for the comparative analysis of proteins and nucleic acids. However, large data sets are no longer manageable for v...
Alberto I. Roca, Albert E. Almada, Aaron C. Abajia...