5942 search results - page 101 / 1189 » On the Processing of Decimated Signals |
ICASSP
2009
IEEE
14 years 4 months ago
2009
IEEE
This paper presents a new sparse representation for acoustic signals which is based on a mixing model defined in the complex-spectrum domain (where additivity holds), and allows ...
ICASSP
2007
IEEE
14 years 3 months ago
2007
IEEE
This paper investigates on the behavior of two blind signal decomposition algorithms, non negative matrix factorization (NMF) and non negative K-SVD (NKSVD), in a polyphonic music...
ICA
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. In this paper, we investigate the importance of the high frequencies in the problem of convolutive blind source separation (BSS) of speech signals. In particular, we focu...
ICASSP
2010
IEEE
13 years 9 months ago
2010
IEEE
The characterization of signals and images in manifolds often lead to efficient dimensionality reduction algorithms based on manifold distance computation for analysis or classi...
ICASSP
2007
IEEE
13 years 9 months ago
2007
IEEE
We present a study into all-pole spectral envelope estimation for the case of harmonic signals. We address the problem of the selection of the model order and propose to make use ...