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ICASSP
2009
IEEE
16 years 28 days ago
Wrapping snakes for improved lip segmentation
A key step in the process of lip-reading is determining the shape of the speaker’s lips. This has previously been achieved through an energy method known as “snakes”, howeve...
Matthew Ramage, Euan Lindsay
VR
2009
IEEE
200views Virtual Reality» more  VR 2009»
16 years 27 days ago
Can Camera Motions Improve the Perception of Traveled Distance in Virtual Environments?
This paper reports one experiment conducted to evaluate the influence of oscillating camera motions on the perception of traveled distances in virtual environments. In the experi...
Léo Terziman, Anatole Lécuyer, S&eac...
ICASSP
2008
IEEE
16 years 19 days ago
Exploiting contextual information for improved phoneme recognition
In this paper, we investigate the significance of contextual information in a phoneme recognition system using the hidden Markov model - artificial neural network paradigm. Cont...
Joel Pinto, B. Yegnanarayana, Hynek Hermansky, Mat...
ICASSP
2008
IEEE
16 years 19 days ago
An improved SNR estimator for speech enhancement
In this paper, we propose an MMSE a priori SNR estimator for speech enhancement. This estimator has similar benefits to the well-known decision-directed approach, but does not req...
Yao Ren, Michael T. Johnson
VTC
2007
IEEE
16 years 13 days ago
Improving Energy Consumption in Ad Hoc Networks through Prioritization
—Energy is a major concern in ad hoc networks as it dictates the lifetime of a terminal and consequently the whole network. In an ad hoc network, not all terminals are equally sol...
Olfa Bouattay, Tijani Chahed, Mounir Frikha, Sami ...