ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
We propose a variant of Orthogonal Matching Pursuit (OMP), called LoCOMP, for scalable sparse signal approximation. The algorithm is designed for shift-invariant signal dictionari...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
An algorithm for estimating the pose, i.e., translation and rotation, of an extended target object is introduced. Compared to conventional methods, where pose estimation is perfor...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
Using interference alignment, it has been shown that the number of degrees of freedom in the interference channel scales linearly with the number of users. Unfortunately, closed-f...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
Speaker identification might be a suitable answer to prevent unauthorized access to personal data. However we also need to provide solutions to secure transmission of spoken infor...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
This paper presents a novel method for training hidden Markov models (HMMs) for use in HMM-based speech synthesis. The primary goal of HMM parameter optimization is to ensure that...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
Background subtraction is a crucial step in many automatic video content analysis applications. While numerous acceptable techniques have been proposed so far for background extra...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
We consider camera self-calibration, i.e. the estimation of parameters for camera sensors, in the setting of a visual sensor network where the sensors are distributed and energy-c...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
Iterative shrinkage of sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. They assume the signal is well approx...
ICASSP
2009
IEEE
14 years 6 months ago
2009
IEEE
Techniques are presented for detecting phoneme level mispronunciations in utterances obtained from a population of impaired children speakers. The intended application of these ap...