Sciweavers

ICASSP
2011
IEEE
12 years 11 months ago
Transceiver optimization for multi-user multi-antenna two-way relay channels
In this paper, we study a multi-user multi-antenna two-way relay system, where a multi-antenna base station (BS) exchanges uplink and downlink signals with multiple users via a mu...
Can Sun, Chenyang Yang, Yonghui Li, Branka Vucetic
ICASSP
2011
IEEE
12 years 11 months ago
A general Bayesian algorithm for visual object tracking based on sparse features
This paper describes a Bayesian algorithm for rigid/non-rigid 2D visual object tracking based on sparse image features. The algorithm is inspired by the way human visual cortex se...
Mauricio Soto Alvarez, Carlo S. Regazzoni
ICASSP
2011
IEEE
12 years 11 months ago
Approximation of pattern transformation manifolds with parametric dictionaries
The construction of low-dimensional models explaining highdimensional signal observations provides concise and efficient data representations. In this paper, we focus on pattern ...
Elif Vural, Pascal Frossard
ICASSP
2011
IEEE
12 years 11 months ago
An analytical approach to local sound field synthesis using linear arrays of loudspeakers
Methods like Wave Field Synthesis aim at the synthesis of a given desired sound field over a large receiver area. Practical limitations lead to considerable artifacts commonly re...
Jens Ahrens, Sascha Spors
ICASSP
2011
IEEE
12 years 11 months ago
Multiple LDPC decoding using bitplane correlation for Transform Domain Wyner-Ziv video coding
Distributed video coding (DVC) is an emerging video coding paradigm for systems which fully or partly exploit the source statistics at the decoder to reduce the computational burd...
Huynh Van Luong, Xin Huang, Søren Forchhamm...
ICASSP
2011
IEEE
12 years 11 months ago
Using F0 to constrain the unit selection Viterbi network
The goal of the work described here is to limit the computation needed in unit selection Viterbi search for text-to-speech synthesis. The broader goal is to improve speech quality...
Alistair Conkie, Ann K. Syrdal
ICASSP
2011
IEEE
12 years 11 months ago
Overlapped speech detection using long-term spectro-temporal similarity in stereo recording
The problem of detecting overlapped speech in stereo recordings using close-talk microphones is important for a variety of applications including the identification of back-chann...
Bo Xiao, Prasanta Kumar Ghosh, Panayiotis G. Georg...
ICASSP
2011
IEEE
12 years 11 months ago
Relative proportionate NLMS: Improving convergence for acoustic channel identification
It is known that the proportionate normalized least mean square (PNLMS) algorithm outperforms traditional normalized least mean square(NLMS) algorithm, in terms of fast initial co...
Tao Yu, John H. L. Hansen
ICASSP
2011
IEEE
12 years 11 months ago
Fast damped gauss-newton algorithm for sparse and nonnegative tensor factorization
Alternating optimization algorithms for canonical polyadic decomposition (with/without nonnegative constraints) often accompany update rules with low computational cost, but could...
Anh Huy Phan, Petr Tichavský, Andrzej Cicho...