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» Acoustic source localization using the acoustic ENSBox
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ICDCS
2009
IEEE
14 years 5 months ago
FLASH: Fine-Grained Localization in Wireless Sensor Networks Using Acoustic Sound Transmissions and High Precision Clock Synchro
Sensor localization in wireless sensor networks is an important component of many applications. Previous work has demonstrated how localization can be achieved using various metho...
Evangelos Mangas, Angelos Bilas
ICASSP
2008
IEEE
14 years 2 months ago
Sigma-delta resolution enhancement for far-field acoustic source separation
Many source separation algorithms fail to deliver robust performance when applied to signals recorded using highdensity microphone arrays where distance between sensor elements is...
Amin Fazel, Shantanu Chakrabartty
ACL
2009
13 years 5 months ago
Summarizing multiple spoken documents: finding evidence from untranscribed audio
This paper presents a model for summarizing multiple untranscribed spoken documents. Without assuming the availability of transcripts, the model modifies a recently proposed unsup...
Xiaodan Zhu, Gerald Penn, Frank Rudzicz
ICASSP
2008
IEEE
14 years 2 months ago
Maximum a posteriori ICA: Applying prior knowledge to the separation of acoustic sources
Independent component analysis (ICA) for convolutive mixtures is often applied in the frequency domain due to the desirable decoupling into independent instantaneous mixtures per ...
Graham W. Taylor, Michael L. Seltzer, Alex Acero
INFOCOM
2010
IEEE
13 years 6 months ago
Wormhole-Resilient Secure Neighbor Discovery in Underwater Acoustic Networks
—Neighbor discovery is a fundamental requirement and need be done frequently in underwater acoustic networks (UANs) with floating node mobility. In hostile environments, neighbo...
Rui Zhang, Yanchao Zhang