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237views
14 years 1 months ago
Estimation of behavioral user state based on eye gaze and head pose—application in an e-learning environment
Most e-learning environments which utilize user feedback or profiles, collect such information based on questionnaires, resulting very often in incomplete answers, and sometimes de...
Stylianos Asteriadis, Paraskevi Tzouveli, Kostas K...
INTERSPEECH
2010
14 years 6 months ago
VAD-measure-embedded decoder with online model adaptation
We previously proposed a decoding method for automatic speech recognition utilizing hypothesis scores weighted by voice activity detection (VAD)-measures. This method uses two Gau...
Tasuku Oonishi, Koji Iwano, Sadaoki Furui
ICASSP
2007
IEEE
15 years 6 months ago
Robust Adaptive Beamforming Algorithm using Instantaneous Direction of Arrival with Enhanced Noise Suppression Capability
In this paper, we propose a novel adaptive beamforming algorithm with enhanced noise suppression capability. The proposed algorithm incorporates the sound-source presence probabil...
Byung-Jun Yoon, Ivan Tashev, Alex Acero
VTC
2006
IEEE
166views Communications» more  VTC 2006»
15 years 5 months ago
TA-MAC: Task Aware MAC Protocol for Wireless Sensor Networks
Abstract— In wireless sensor networks (WSNs), reducing energy consumption of resource constrained sensor nodes is one of the most important issues. In this paper, we propose a ta...
Sangheon Pack, Jaeyoung Choi, Taekyoung Kwon, Yang...
WD
2010
14 years 9 months ago
Beamforming for heterogeneously equipped nodes in wireless ad hoc networks
It has long been known that adaptive beamforming has the potential to enhance the performance of wireless ad hoc networks significantly. However, due to the decentralized nature of...
Ulrike Korger, Manuel Wocheslander, Christian Hart...