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ICASSP
2008
IEEE
16 years 28 days 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
ICASSP
2008
IEEE
16 years 28 days 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
ICASSP
2008
IEEE
16 years 28 days ago
Null-Space representation for view-invariant motion trajectory classification-recognition and indexing-retrieval
This paper presents a novel classification/ retrieval system for motion events based on a perfect view invariant representation of motion trajectories and a linear classifier al...
Eser Ustunel, Xu Chen, Dan Schonfeld, Ashfaq A. Kh...
ICC
2008
IEEE
159views Communications» more  ICC 2008»
16 years 28 days ago
A Performance Study of Mobile Handoff Delay in IEEE 802.11-Based Wireless Mesh Networks
— Wireless mesh networks (WMNs) have recently emerged to be a cost-effective solution to support large-scale wireless Internet access. One important component of realizing large-...
Akshay Mangalam Srivatsa, Jiang Xie
ICMCS
2008
IEEE
169views Multimedia» more  ICMCS 2008»
16 years 27 days ago
Encoding optimization of low resolution soccer video sequences
In this article we propose an optimization method for encoding low resolution soccer video sequences. The considered video codec is the state of the art H.264/AVC, as recommended ...
Luca Superiori, Markus Rupp