Sciweavers

ICASSP
2011
IEEE
12 years 8 months ago
Learning vocal tract variables with multi-task kernels
The problem of acoustic-to-articulatory speech inversion continues to be a challenging research problem which significantly impacts automatic speech recognition robustness and ac...
Hachem Kadri, Emmanuel Duflos, Philippe Preux
ICASSP
2011
IEEE
12 years 8 months ago
Incremental-cooperative strategies in combination of adaptive filters
A new topology for combination of adaptive filters is proposed. Based on incremental strategies, the standard convexly combined parallel-independent filters are rearranged into ...
Wilder B. Lopes, Cassio G. Lopes
ICASSP
2011
IEEE
12 years 8 months ago
Loquendo - Politecnico di Torino's 2010 NIST speaker recognition evaluation system
This paper describes the improvement introduced in the Loquendo–Politecnico di Torino (LPT) speaker recognition system submitted to the NIST SRE10 evaluation campaign. This syst...
Fabio Castaldo, Daniele Colibro, Claudio Vair, San...
ICASSP
2011
IEEE
12 years 8 months ago
Continuous pilot based adaptive estimation for IDMA systems on underwater acoustic channels
Two adaptive receivers for jointly detecting active users in an interleave division multiple access (IDMA) system are considered for highly dispersive underwater acoustic channels...
Salah Aliesawi, Charalampos C. Tsimenidis, Bayan S...
ICASSP
2011
IEEE
12 years 8 months ago
Linear manifold approximation based on differences of tangents
In this paper, we consider the problem of manifold approximation with affine subspaces. Our objective is to discover a set of low dimensional affine subspaces that represents ma...
Sofia Karygianni, Pascal Frossard
ICASSP
2011
IEEE
12 years 8 months ago
A time-distributed phase space histogram for detecting transient signals
Burst-type signals constitute an important class of transient signals, being used especially in the investigation of various physical environments by electric or acoustic means. A...
Florin-Marian Birleanu, Cornel Ioana, Alexandru Se...
ICASSP
2011
IEEE
12 years 8 months ago
Robust parametrization for non-destructive evaluation of composites using ultrasonic signals
Anticipating and characterizing damages in layered carbon fiberreinforced polymers is a challenging problem. Non-destructive evaluation using ultrasonic signals is a well-establi...
Nicolas Bochud, Angel M. Gomez, Guillermo Rus, Jos...
ICASSP
2011
IEEE
12 years 8 months ago
Non-stationary feature extraction for automatic speech recognition
In current speech recognition systems mainly Short-Time Fourier Transform based features like MFCC are applied. Dropping the short-time stationarity assumption of the voiced speec...
Zoltán Tüske, Pavel Golik, Ralf Schl&u...
ICASSP
2011
IEEE
12 years 8 months ago
An iterative least-squares technique for dereverberation
Some recent dereverberation approaches that have been effective for automatic speech recognition (ASR) applications, model reverberation as a linear convolution operation in the s...
Kshitiz Kumar, Bhiksha Raj, Rita Singh, Richard M....
ICASSP
2011
IEEE
12 years 8 months ago
Continuous audio analytics by HMM and Viterbi decoding
We address the problem of audio analytics with respect to efficient modeling of audio classes and continuous decoding of audio stream to automatically segment and label the audio...
V. Ramasubramanian, R. Karthik, S. Thiyagarajan, S...