Sciweavers

ICASSP
2008
IEEE
13 years 11 months ago
An ICA-based multilinear algebra tools for dimensionality reduction in hyperspectral imagery
Dimensionality reduction (DR) is a major issue to improve the efficiency of the classifiers in Hyperspectral images (HSI). Recently, the independent component analysis (ICA) app...
Nadine Renard, Salah Bourennane
ICASSP
2008
IEEE
13 years 11 months ago
Robust speaker identification using auditory features and computational auditory scene analysis
The performance of speaker recognition systems drop significantly under noisy conditions. To improve robustness, we have recently proposed novel auditory features and a robust spe...
Yang Shao, DeLiang Wang
ICASSP
2008
IEEE
13 years 11 months ago
A pattern classification framework for theoretical analysis of component forensics
Component forensics is an emerging methodology for forensic analysis that aims at estimating the algorithms and parameters in each component of a digital device. This paper propos...
Ashwin Swaminathan, Min Wu, K. J. Ray Liu
ICASSP
2008
IEEE
13 years 11 months ago
Determining the parameters in regularized super-resolution reconstruction
We derive a novel method to determine the parameters for regularized super-resolution problems. The proposed approach relies on the Joint Maximum a Posteriori (JMAP) estimation te...
Marcelo Victor Wüst Zibetti, Joceli Mayer, Fe...
ICASSP
2008
IEEE
13 years 11 months ago
Simultaneous and fast 3D tracking of multiple faces in video by GPU-based stream processing
In this work, we implement a real-time visual tracker that targets the position and 3D pose of objects in video sequences, specifically faces. Using Stream Processors for perform...
Oscar Mateo Lozano, Kazuhiro Otsuka
ICASSP
2008
IEEE
13 years 11 months ago
Extension of EFICA algorithm for blind separation of piecewise stationary non Gaussian sources
We propose an extension of EFICA algorithm for piecewise stationary and non Gaussian signals. The proposed method is able to profit from varying distribution of the original sign...
Zbynek Koldovský, Jirí Málek,...
ICASSP
2008
IEEE
13 years 11 months ago
Performance evaluation for tracking algorithms using object labels
This paper proposes performance measures to evaluate object tracking algorithms using object labels and sizes.. The usefulness and effectiveness of the proposed evaluation measure...
Julius Popoola, Aishy Amer
ICASSP
2008
IEEE
13 years 11 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
ICASSP
2008
IEEE
13 years 11 months ago
Automatic Flamingo detection using a multiple birth and death process
Here we present a new approach to automatically detect and count breeding Greater Flamingos (Phoenicopterus Roseus) on aerial photographsof their colonies. We consider a stochasti...
Stig Descamps, Xavier Descombes, Arnaud Bechet, Jo...
ICASSP
2008
IEEE
13 years 11 months ago
Distributed stereo image coding with improved disparity and noise estimation
Distributed coding of correlated grayscale stereo images is effectively addressed by a recently proposed codec that learns block-wise disparity at the decoder. Based on the Slepia...
David M. Chen, David P. Varodayan, Markus Flierl, ...