A Fast Approach for Overcomplete Sparse Decomposition Based on Smoothed Norm

H Mohimani, M Babaie-Zadeh… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, a fast algorithm for overcomplete sparse decomposition, called SL0, is
proposed. The algorithm is essentially a method for obtaining sparse solutions of …

Forms: a flexible object recognition and modelling system

SC Zhu, AL Yuille - International journal of computer vision, 1996 - Springer
We describe a flexible object recognition and modelling system (FORMS) which represents
and recognizes animate objects from their silhouettes. This consists of a model for …

Fast Sparse Representation Based on Smoothed ℓ0 Norm

GH Mohimani, M Babaie-Zadeh, C Jutten - … Component Analysis and …, 2007 - Springer
In this paper, a new algorithm for Sparse Component Analysis (SCA) or atomic
decomposition on over-complete dictionaries is presented. The algorithm is essentially a …

Blind spectral unmixing based on sparse component analysis for hyperspectral remote sensing imagery

Y Zhong, X Wang, L Zhao, R Feng, L Zhang… - ISPRS Journal of …, 2016 - Elsevier
Recently, many blind source separation (BSS)-based techniques have been applied to
hyperspectral unmixing. In this paper, a new blind spectral unmixing method based on …

Estimation of modal parameters using the sparse component analysis based underdetermined blind source separation

K Yu, K Yang, Y Bai - Mechanical Systems and Signal Processing, 2014 - Elsevier
The underdetermined blind source separation method based on sparse component analysis
in the time–frequency domain is introduced to estimate the modal parameters in this study …

A novel underdetermined blind source separation method with noise and unknown source number

J Lu, W Cheng, D He, Y Zi - Journal of Sound and Vibration, 2019 - Elsevier
It has been challenging to correctly separate sources from their mixtures with large noise
and unknown source number in underdetermined cases. To address this problem, a novel …

Novel mixing matrix estimation approach in underdetermined blind source separation

J Sun, Y Li, J Wen, S Yan - Neurocomputing, 2016 - Elsevier
This paper proposes the use of density-based spatial clustering of application with noise
(DBSCAN) and the Hough transform to estimate the mixing matrix in underdetermined blind …

Multi-source DOA estimation in reverberant environments by jointing detection and modeling of time-frequency points

M Jia, Y Wu, C Bao, C Ritz - IEEE/ACM Transactions on Audio …, 2020 - ieeexplore.ieee.org
In this article, the direction of arrival (DOA) estimation of multiple speech sources in
reverberant environments is investigated based on the recording of a soundfield …

Locally-Rank-One-Based Joint Unmixing and Demosaicing Methods for Snapshot Spectral Images. Part I: a Matrix-Completion Framework

K Abbas, M Puigt, G Delmaire… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
With the recent advancements in design and processing speed, a new snapshot mosaic
imaging sensor architecture (SSI) has been successfully developed, holding the potential to …

Underdetermined blind source separation based on source number estimation and improved sparse component analysis

B Ma, T Zhang - Circuits, Systems, and Signal Processing, 2021 - Springer
The signal acquisition process is limited by the installation position and number of sensors
in particular types of equipment. Moreover, the observed signals are often compounded by …