Sciweavers

ICASSP
2011
IEEE
13 years 2 months ago
A CLT on the SINR of the diagonally loaded Capon/MVDR beamformer
The Capon or minimum variance distorsionless response (MVDR) beamformer is a prominent example of spatial ltering structure in sensor array signal processing. Typical implementati...
Francisco Rubio, Xavier Mestre, Walid Hachem
ICASSP
2011
IEEE
13 years 2 months ago
Intra-session variability compensation and a hypothesis generation and selection strategy for speaker segmentation
This paper addresses the problem of speaker segmentation in two-speaker telephone conversations, using an eigenvoice based factor analysis approach. We present a set of improvemen...
Carlos Vaquero, Alfonso Ortega, Eduardo Lleida
ICASSP
2011
IEEE
13 years 2 months ago
On 2D localization of reflectors using robust beamforming techniques
This paper presents a method for the localization of reflectors in an acoustic environment, using robust beamforming techniques and a cylindrical microphone array, for which an i...
Edwin Mabande, Haohai Sun, Konrad Kowalczyk, Walte...
ICASSP
2011
IEEE
13 years 2 months ago
Video error concealment using sparse recovery and local dictionaries
Video error concealment is a post-processing technique that conceals the errors in a decoded video sequence based on data available only at the decoder. Most of the current techni...
Dzung Nguyen, Minh Dao, Trac Tran
ICASSP
2011
IEEE
13 years 2 months ago
A stochastic compartmental approach to modeling and simulation of cancer spheroid formation and evolution
In this paper we model and simulate a biological system describing the evolution of cancer stem cells into tumors. Starting from some basic hypotheses about the behavior of these ...
Mónica F. Bugallo, Shishir Dash, Galina Bot...
ICASSP
2011
IEEE
13 years 2 months ago
Generic object recognition using automatic region extraction and dimensional feature integration utilizing multiple kernel learn
Recently, in generic object recognition research, a classification technique based on integration of image features is garnering much attention. However, with a classifying techn...
Toru Nakashika, Akira Suga, Tetsuya Takiguchi, Yas...
ICASSP
2011
IEEE
13 years 2 months ago
Speaker authentication using video-based lip information
The lip-region can be interpreted as either a genetic or behavioural biometric trait depending on whether static or dynamic information is used. In this paper, we use a texture de...
Budhaditya Goswami, Chi-Ho Chan, Josef Kittler, Wi...
ICASSP
2011
IEEE
13 years 2 months ago
A robust clock synchronization algorithm for wireless sensor networks
Recently, the maximum likelihood estimator (MLE) and Cramer-Rao Lower Bound (CRLB) were proposed with the goal of maximizing and assessing the synchronization accuracy in wireless...
Jang-Sub Kim, Jaehan Lee, Erchin Serpedin, Khalid ...
ICASSP
2011
IEEE
13 years 2 months ago
Time-to-Onset latency in fMRI: Fast detection of delayed activation
A standard fMRI experiment is structured around the assumption that onset of relevant neural activity occurs almost immediately after external stimulus. Introducing deliberate len...
Victor Solo, Ben Cassidy, Christopher J. Long, Car...
ICASSP
2011
IEEE
13 years 2 months ago
Multi-channel EEG compression based on matrix and tensor decompositions
Compression schemes for EEG signals are developed based on matrix and tensor decomposition. Various ways to arrange EEG signals into matrices and tensors are explored, and several...
Justin Dauwels, K. Srinivasan, M. Ramasubba Reddy,...