Sciweavers

ICASSP
2010
IEEE
13 years 9 months ago
Restoration-based iron oxide particles quantification in MR images
Magnetic Resonance Imaging (MRI) is a medical imaging modality that provides structural and functional information. To improve the contrast of MR images, contrast agents, such as ...
Delphine Charpigny, Thomas Grenier, Christophe Ode...
ICASSP
2010
IEEE
13 years 9 months ago
Clap your hands! Calibrating spectral subtraction for dereverberation
Reverberation effects as observed by room microphones severely degrade the performance of automatic speech recognition systems. We investigate the use of dereverberation by spectr...
Uwe Zah, Korbinian Riedhammer, Tobias Bocklet, Elm...
ICA
2010
Springer
13 years 9 months ago
Blind Extraction of Intermittent Sources
In this work, we tackle the problem of blind extraction of intermittent sources. Our approach is based on the generalized eigenvector decomposition of covariance matrices and exten...
Bertrand Rivet, Leonardo Tomazeli Duarte, Christia...
ICA
2010
Springer
13 years 9 months ago
Strong Sub- and Super-Gaussianity
We introduce the terms strong sub- and super-Gaussianity to refer to the previously introduced class of densities log-concave is x2 and log-convex in x2 respectively. We derive rel...
Jason A. Palmer, Kenneth Kreutz-Delgado, Scott Mak...
ICA
2010
Springer
13 years 9 months ago
Non-negative Independent Component Analysis Algorithm Based on 2D Givens Rotations and a Newton Optimization
Abstract. In this paper, we consider the Independent Component Analysis problem when the hidden sources are non-negative (Non-negative ICA). This problem is formulated as a non-lin...
Wendyam Serge Boris Ouedraogo, Antoine Souloumiac,...
ICA
2010
Springer
13 years 9 months ago
Riemannian Geometry Applied to BCI Classification
Abstract. In brain computer interface based on motor imagery, covariances matrices are widely used through spatial filters computation and other signal processing methods. Covarian...
Alexandre Barachant, Stéphane Bonnet, Marco...
TSD
2010
Springer
13 years 10 months ago
Online TV Captioning of Czech Parliamentary Sessions
Abstract. In the paper we introduce the on-line captioning system developed by our teams and used by the Czech Television (CTV), the public service broadcaster in the Czech Republi...
Jan Trmal, Ales Prazák, Zdenek Loose, Josef...
TSD
2010
Springer
13 years 10 months ago
Towards an N-Version Dependency Parser
Abstract. Maltparser is a contemporary dependency parsing machine learningbased system that shows great accuracy. However 90% for Labelled Attachment Score (LAS) seems to be a de f...
Miguel Ballesteros, Jesús Herrera, Virginia...
TSD
2010
Springer
13 years 10 months ago
Using TectoMT as a Preprocessing Tool for Phrase-Based Statistical Machine Translation
Abstract. We present a systematic comparison of preprocessing techniques for two language pairs: English-Czech and English-Hindi. The two target languages, although both belonging ...
Daniel Zeman
TSD
2010
Springer
13 years 10 months ago
Special Speech Synthesis for Social Network Websites
Csaba Zainkó, Tamás Gábor Csa...