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AVSS
2008
IEEE
15 years 4 months ago
Person Tracking with Audio-Visual Cues Using the Iterative Decoding Framework
Tracking humans in an indoor environment is an essential part of surveillance systems. Vision based and microphone array based trackers have been extensively researched in the pas...
Shankar T. Shivappa, Mohan M. Trivedi, Bhaskar D. ...
GLOBECOM
2008
IEEE
15 years 4 months ago
On Base Station Cooperation Schemes for Downlink Network MIMO under a Constrained Backhaul
— Next generation mobile comunications systems will most likely employ multi-cell cooperative signal processing schemes, often referred to as network MIMO, as these are known to ...
Patrick Marsch, Gerhard Fettweis
ICASSP
2008
IEEE
15 years 4 months ago
Blind audiovisual separation based on redundant representations
In this work we present a method to perform a complete audiovisual source separation without need of previous information. This method is based on the assumption that sounds are c...
Anna Llagostera Casanovas, Gianluca Monaci, Pierre...
ICASSP
2008
IEEE
15 years 4 months ago
Stability analysis of complex maximum likelihood ica using Wirtinger calculus
The desirable asymptotic optimality properties of the maximum likelihood (ML) estimator make it an attractive solution for performing independent component analysis (ICA) as well....
Hualiang Li, Tülay Adali
ICASSP
2008
IEEE
15 years 4 months ago
Blind optimization of algorithm parameters for signal denoising by Monte-Carlo SURE
We consider the problem of optimizing the parameters of an arbitrary denoising algorithm by minimizing Stein’s Unbiased Risk Estimate (SURE) which provides a means of assessing ...
Sathish Ramani, Thierry Blu, Michael Unser