ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
In this paper, we propose two approaches for combining geometric information with ICA algorithm to solve permutation problem under the scenario where a rough information about the...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
— We study the inversion of a random field from pointwise measurements collected by a sensor network. We assume that the field has a sparse representation in a known basis. To ...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
Target detection in sea clutter is a challenging problem in radar detection, specifically, when the Doppler return of the target and clutter are collocated. Polarization diverse ...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
The problem of transmit beamforming for single-group multicasting is considered, where the objective is to transmit common information to a (large) number of users. The transmitte...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
This paper describes a method for solving the permutation problem in the frequency-domain independent component analysis (FD-ICA) approach to blind source separation (BSS). FD-ICA...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
A total corpus-based process of generating prosodic features from text is developed. The process first predicts pauses and phone durations, and then generates F0 contours. Since F...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
We propose a new approach to adaptive system identification when the system model is sparse. The approach applies the ℓ1 relaxation, common in compressive sensing, to improve t...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
In previous work we introduced a new missing data imputation method for ASR, dubbed sparse imputation. We showed that the method is capable of maintaining good recognition accurac...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
In recent work, we studied the problem of causally reconstructing time sequences of spatially sparse signals, with unknown and slow time-varying sparsity patterns, from a limited ...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
We propose novel algorithms for organizing large image and video datasets using both the visual content and the associated sideinformation, such as time, location, authorship, and...