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ICASSP
2011
IEEE
13 years 2 months ago
Machine and acoustical condition dependency analyses for fast acoustic likelihood calculation techniques
The acceleration of acoustic likelihood calculation has been an important research issue for developing practical speech recognition systems. And there are various specification ...
Atsunori Ogawa, Satoshi Takahashi, Atsushi Nakamur...
ICASSP
2011
IEEE
13 years 2 months ago
Cosparse analysis modeling - uniqueness and algorithms
In the past decade there has been a great interest in a synthesis-based model for signals, based on sparse and redundant representations. Such a model assumes that the signal of i...
Sangnam Nam, Michael E. Davies, Michael Elad, R&ea...
ICASSP
2011
IEEE
13 years 2 months ago
WinDSK8: A user interface for the OMAP-L138 DSP board
A new multi-core DSP board is available for university and industry engineers. The LogicPD ZoomTM OMAP-L138 eXperimenter Kit, featuring Texas Instruments’ dual core SoC (ARM9 an...
Michael G. Morrow, Cameron H. G. Wright, Thad B. W...
ICASSP
2011
IEEE
13 years 2 months ago
Analysis of rate constraints for MWF-based noise reduction in acoustic sensor networks
In an acoustic sensor network, consisting of spatially distributed microphone nodes, a significant noise reduction can be achieved using the centralized multi-channel Wiener fil...
Toby Christian Lawin-Ore, Simon Doclo
ICASSP
2011
IEEE
13 years 2 months ago
F0 range and peak alignment across speakers and emotions
We present an analysis of F0 range and peak alignment in emotional speech from a heterogeneous group of speakers varying in age and gender. Both speaker and emotion had a strong e...
Eric Morley, Jan P. H. van Santen, Esther Klabbers...
ICASSP
2011
IEEE
13 years 2 months ago
Hierarchical Latent Dirichlet Allocation models for realistic action recognition
It has always been very difficult to recognize realistic actions from unconstrained videos because there are tremendous variations from camera motion, background clutter, object a...
Heping Li, Jie Liu, Shuwu Zhang
ICASSP
2011
IEEE
13 years 2 months ago
An unsupervised algorithm for hybrid/morphological signal decomposition
The main contribution presented here is an adaptive/unsupervised iterative thresholding algorithm for sparse representation of signals which can be modeled as the sum of two compo...
Matthieu Kowalski, Thomas Rodet
ICASSP
2011
IEEE
13 years 2 months ago
Convex approximation algorithms for back-pressure power control of wireless multi-hop networks
Cross-layer design and operation of wireless networks has attracted significant interest in the last decade, yet some basic problems in the area remain unsolved. In this paper, w...
Evaggelia Matskani, Nikos D. Sidiropoulos, Leandro...
ICASSP
2011
IEEE
13 years 2 months ago
Pronunciation variants generation using SMT-inspired approaches
Enriching a pronunciation dictionary with phonological variation is a challenging task, not yet solved despite several decades of research, in particular for speech-to-text transc...
Panagiota Karanasou, Lori Lamel
ICASSP
2011
IEEE
13 years 2 months ago
Modeling anatomical heterogeneity in populations
Our goal is to model anatomical variability across individuals, which presents substantial challenges in clinical population studies and in building atlases for segmentation. Base...
Polina Golland, Mert R. Sabuncu