ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we show how two classical sparse recovery algorithms, Orthogonal Matching Pursuit and Basis Pursuit, can be naturally extended to recover block-sparse solutions for...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
Our work builds a general visibility model of video packets which is applicable to various types of GOP (Group of Pictures). The data used for analysis and building the model come...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In language modeling for speech recognition, both the amount of training data and the match to the target task impact the goodness of the model, with the trade-off usually favorin...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we propose a novel general framework for tensor based null space affine invariants, namely, tensor null space invariants (TNSI) with a linear classifier for high ...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we consider sparse decomposition (SD) of twodimensional (2D) signals on overcomplete dictionaries with separable atoms. Although, this problem can be solved by conv...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
Gaussian mixture model - universal background model (GMMUBM) is a standard reference classifier in speaker verification. We have recently proposed a simplified model using vect...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
The aim of this paper is to compare different log-likelihood scoring methods, that different sites used in the latest state-of-the-art Joint Factor Analysis (JFA) Speaker Recognit...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
We consider the problem of reconstructing finite energy stimuli from a finite number of contiguous spikes. The reconstructed signal satisfies a consistency condition: when pass...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this article, we introduce a novel approach for monaural source separation with the specific aim to separate a polyphonic musical recording into two main sources: a main instr...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
The problem under study here is the minimax design of linearphase lowpass FIR filters having variable passband width and implemented through a Farrow structure. We have two main ...