An augmented Lagrangian multi-scale dictionary learning algorithm

<p>Abstract</p> <p>Learning overcomplete dictionaries for sparse signal representation has become a hot topic fascinated by many researchers in the recent years, while most of the existing approaches have a serious problem that they always lead to local minima. In this article, we...

Full description

Bibliographic Details
Main Authors: Ye Meng, Liu Qiegen, Luo Jianhua, Wang Shanshan, Xiao Moyan
Format: Article
Language:English
Published: SpringerOpen 2011-01-01
Series:EURASIP Journal on Advances in Signal Processing
Subjects:
Online Access:http://asp.eurasipjournals.com/content/2011/1/58