Sciweavers

ICASSP
2011
IEEE
13 years 3 months ago
Improved estimation of the amplitude envelope of time-domain signals using true envelope cepstral smoothing
The amplitude modulations of musical instrument sounds and speech are important perceptual cues. Accurate estimation of the amplitude, or equivalently energy, envelope of a time-d...
Marcelo F. Caetano, Xavier Rodet
ICASSP
2011
IEEE
13 years 3 months ago
A single snapshot optimal filtering method for fundamental frequency estimation
Recently, optimal linearly constrained minimum variance (LCMV) filtering methods have been applied for fundamental frequency estimation. Like many other fundamental frequency est...
Jesper Rindom Jensen, Mads Groesboll Christensen, ...
ICASSP
2011
IEEE
13 years 3 months ago
Comparison of several covariance matrix estimators for portfolio optimization
Modern portfolio theory dates back to a seminal 1952 paper by H. Markowitz and has been very influential both in academic finance and among practitioners in the financial indus...
Ka Ki Ng, Priyanka Agarwal, Nathan Mullen, Dzung D...
ICASSP
2011
IEEE
13 years 3 months ago
On-line Memory-Based Parametric Equalization to multimodal training conditions
This paper describes the conceptual and algorithmic evolutions of Memory Based Parametric Equalization (MPEQ) needed to exploit the potentialities of the method within the state-o...
Roberto Gemello, Franco Mana, Luz García, J...
ICASSP
2011
IEEE
13 years 3 months ago
Gain and phase autocalibration for uniform rectangular arrays
—To maintain the performance of direction-of-arrival (DOA) estimation, an accurate model of the array response is required. In a time-varying sensor environment, this is only pos...
Philipp Heidenreich, Abdelhak M. Zoubir
ICASSP
2011
IEEE
13 years 3 months ago
Joint disparity and optical flow by correspondence growing
The scene flow in binocular stereo setup is estimated using a seed growing algorithm. A pair of calibrated and synchronized cameras observe a scene and output a sequence of image...
Jan Cech, Radu Horaud
ICASSP
2011
IEEE
13 years 3 months ago
Evaluating music sequence models through missing data
Building models of the structure in musical signals raises the question of how to evaluate and compare different modeling approaches. One possibility is to use the model to impute...
Thierry Bertin-Mahieux, Graham Grindlay, Ron J. We...
ICASSP
2011
IEEE
13 years 3 months ago
Cheap semidefinite relaxation MIMO detection using row-by-row block coordinate descent
This paper considers the problem of low complexity implementation of high-performance semidefinite relaxation (SDR) MIMO detection methods. Currently, most SDR MIMO detectors are...
Hoi-To Wai, Wing-Kin Ma, Anthony Man-Cho So
ICASSP
2011
IEEE
13 years 3 months ago
BEMD for expression transformation in face recognition
This work presents a novel methodology for the transformation of facial expressions, to assist face biometrics. It is known that identification using only one image per subject p...
Hoda Mohammadzade, Foteini Agrafioti, Jiexin Gao, ...
ICASSP
2011
IEEE
13 years 3 months ago
A passive coupling matrix design for improved resolution small aperture direction finding
In this paper, we present an approach to design passive coupling matrix to overcome the performance limitation of direction finding using small aperture array. This approach is i...
Guohua Wang, Joni Polili Lie, Chong Meng Samson Se...