Sciweavers

ICASSP
2011
IEEE
13 years 3 months ago
Adjugate pairs of sparse arrays for sampling two dimensional signals
Sparse sampling with coprime lattice arrays was introduced recently in the literature. It has been shown that a dense coarray can be constructed from such a pair of arrays, and is...
Palghat P. Vaidyanathan, Piya Pal
ICASSP
2011
IEEE
13 years 3 months ago
Motion vector recovery with Gaussian Process Regression
In this paper, we propose a Gaussian Process Regression (GPR) framework for concealment of corrupted motion vectors in predictive video coding of packet video systems. The problem...
Hadi Asheri, Abdolkhalegh Bayati, Hamid R. Rabiee,...
ICASSP
2011
IEEE
13 years 3 months ago
A binaural algorithm for space and pitch detection
A binaural algorithm to simultaneously detect the azimuth angle and the pitch of the sound source is proposed in this paper. This algorithm is extended from the stereausis model w...
Wen-Sheng Chou, Kah-Meng Cheong, Tai-Shih Chi
ICASSP
2011
IEEE
13 years 3 months ago
Resource allocation for OFDMA cognitive radios under channel uncertainty
A weighted sum-rate maximization problem is considered for an access point (AP) allocating resources to wireless cognitive radios (CRs) communicating using orthogonal frequency-di...
Seung-Jun Kim, Nasim Yahya Soltani, Georgios B. Gi...
ICASSP
2011
IEEE
13 years 3 months ago
Estimating Sparse MIMO channels having Common Support
We propose an algorithm (SCS-FRI) to estimate multipath channels with Sparse Common Support (SCS) based on Finite Rate of Innovation (FRI) sampling. In this setup, theoretical low...
Yann Barbotin, Ali Hormati, Sundeep Rangan, Martin...
ICASSP
2011
IEEE
13 years 3 months ago
Multichannel nonnegative tensor factorization with structured constraints for user-guided audio source separation
Separating multiple tracks from professionally produced music recordings (PPMRs) is still a challenging problem. We address this task with a user-guided approach in which the sepa...
Alexey Ozerov, Cédric Févotte, Rapha...
ICASSP
2011
IEEE
13 years 3 months ago
Audio-visual synchronization recovery in multimedia content
This paper proposes a method recovering audio-visual synchronization of multimedia content. It exploits the correlation between the acoustic and the visual signals in order to est...
Jong-Seok Lee, Touradj Ebrahimi
ICASSP
2011
IEEE
13 years 3 months ago
Microphone position optimization for planar superdirective beamforming
The performance of a fixed beamformer highly depends on the position of the microphones in the array. In this paper, different heuristic optimisation approaches for arbitrary pla...
Ina Kodrasi, Thomas Rohdenburg, Simon Doclo
ICASSP
2011
IEEE
13 years 3 months ago
A multiwindow time-frequency approach based on the concepts of robust estimate theory
An approach to multiwindow time-frequency analysis that provides robust performance in noisy environment is proposed. The concept of robust estimates of instantaneous frequency is...
Irena Orovic, Nikola Zaric, Srdjan Stankovic, Moen...
ICASSP
2011
IEEE
13 years 3 months ago
Audio identification based on spectral modeling of bark-bands energy and synchronization through onset detection
In this paper, we present for the first time the fingerprint IRCAM system for audio identification in streams. The baseline system relies on a double-nested Short Time Fourier ...
Mathieu Ramona, Geoffroy Peeters