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ISITA
2010
15 years 8 days ago
Spectral entropy-based bit allocation
In transform-based compression schemes, the task of choosing, quantizing, and coding the coefficients that best represent a signal is of prime importance. As a step in this directi...
Malavika Bhaskaranand, Jerry D. Gibson
SIAMMAX
2010
123views more  SIAMMAX 2010»
14 years 9 months ago
Joint Spectral Characteristics of Matrices: A Conic Programming Approach
We propose a new approach to estimate the joint spectral radius and the joint spectral subradius of an arbitrary set of matrices. We first restrict our attention to matrices that ...
Vladimir Protasov, Raphaël M. Jungers, Vincen...
ISCAS
2008
IEEE
114views Hardware» more  ISCAS 2008»
15 years 8 months ago
Multimicrophone speech dereverberation using spatiotemporal and spectral processing
— Speech signals acquired in a reverberant room with microphones positioned at a distance from the talker are degraded in quality due to reverberation and measurement noise. Ther...
Nikolay D. Gaubitch, Emanuel A. P. Habets, Patrick...
150
Voted
GECCO
2005
Springer
218views Optimization» more  GECCO 2005»
15 years 8 months ago
Particle swarm optimization for analysis of mass spectral serum profiles
Serum profiling using mass spectrometry is an emerging technology with a great potential to provide biomarkers for complex diseases such as cancer. However, protein profiles obtai...
Habtom W. Ressom, Rency S. Varghese, Daniel Saha, ...
163
Voted
DILS
2008
Springer
15 years 4 months ago
Semi Supervised Spectral Clustering for Regulatory Module Discovery
We propose a novel semi-supervised clustering method for the task of gene regulatory module discovery. The technique uses data on dna binding as prior knowledge to guide the proces...
Alok Mishra, Duncan Gillies