DocumentCode
1208324
Title
On sparse representation in pairs of bases
Author
Feuer, Arie ; Nemirovski, Arkadi
Author_Institution
Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel
Volume
49
Issue
6
fYear
2003
fDate
6/1/2003 12:00:00 AM
Firstpage
1579
Lastpage
1581
Abstract
In previous work, Elad and Bruckstein (EB) have provided a sufficient condition for replacing an l0 optimization by linear programming minimization when searching for the unique sparse representation. We establish here that the EB condition is both sufficient and necessary.
Keywords
linear programming; matrix algebra; minimisation; signal representation; Elad-Bruckstein condition; linear programming minimization; necessary condition; optimization problems; orthogonal matrices; pairs of bases; signal representation; sparse representation; sufficient condition; Cities and towns; Dictionaries; Industrial engineering; Laboratories; Linear programming; Robot control; Service robots; Sparse matrices; Sufficient conditions; Technology management;
fLanguage
English
Journal_Title
Information Theory, IEEE Transactions on
Publisher
ieee
ISSN
0018-9448
Type
jour
DOI
10.1109/TIT.2003.811926
Filename
1201084
Link To Document