ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We consider the decentralized Bayesian binary hypothesis testing problem in feedback architectures, in which the fusion center broadcasts information based on the messages of some...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Tracking speakers is an important application in smart environments. Acoustic tracking using microphone arrays is a challenging task due to two major reasons: On the one hand, mul...
ICASSP
2011
IEEE
2011
IEEE
Gaussian approximation of the LLR distribution for the ML and partial marginalization MIMO detectors
12 years 11 months ago
We derive a Gaussian approximation of the LLR distribution conditioned on the transmitted signal and the channel matrix for the soft-output via partial marginalization MIMO detect...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Compressive sensing (CS) is a new approach for the acquisition and recovery of sparse signals that enables sampling rates significantly below the classical Nyquist rate. Based on...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we propose a statistical test to discriminate between original and forged regions in JPEG images, under the hypothesis that the former are doubly compressed while t...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Speech enhancement and separation algorithms frequently employ two-stage processing schemes, where the signal is first mapped to an intermediate low-dimensional parametric descri...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper proposes a novel application of image inpainting techniques for the edge enhancement problems in image deblurring and denoising. The edge enhancement effect is achieved...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Acoustic feedback limits the gain provided by hearing aids. Digital hearing aids identify acoustic feedback signals and cancel them continuously in a closed loop with an adaptive ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Precoding has been extensively studied for point-to-point communications, including the problems of constructing the precoding codebook and selecting the best precoder. This paper...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this work we describe methods for using the directionality of sound energy as a criterion to estimate single- and multichannel linear filters for suppression of diffuse noise ...