ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we present a model for unsupervised pattern discovery using non-negative matrix factorization (NMF) with graph regularization. Though the regularization can be appl...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a new algorithm based on shift-invariant probabilistic latent component analysis that analyzes harmonic structures in an audio signal. Each note in a constant-...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a family of log-spectral amplitude (LSA) estimators for speech enhancement. Generalized Gamma distributed (GGD) priors are assumed for speech short-time spectr...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we consider power spectral density estimation of bandlimited, wide-sense stationary signals from sub-Nyquist sampled data. This problem has recently received attent...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Multiplicative update algorithms have encountered a great success to solve optimization problems with non-negativity constraints, such as the famous non-negative matrix factorizat...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a novel study and analysis on two important problems in gait recognition: one is how to perform gait recognition with only segment of a complete gait cycle for...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Decoder architectures for architecture-aware Raptor codes having regular message access-and-processing patterns are presented. Raptor codes are a class of concatenated codes compo...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This contribution presents a modified Kalman filter approach for single channel speech enhancement which is operating in the frequency domain. In the first step, temporal corre...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Efficient operation of RF power amplifiers requires compensation strategies to mitigate nonlinear behavior. As bandwidth increases, memory effects become more pronounced, and Vo...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
The use of statically compiled search networks for ASR systems using huge vocabularies and complex language models often becomes challenging in terms of memory requirements. Dynam...