NDLI: Block-sparse signal recovery with synthesized multitask compressive sensing

Content Provider	IEEE Xplore Digital Library
Author	Ying-Gui Wang Zheng Liu Wen-Li Jiang Le Yang
Copyright Year	2014
Description	Author affiliation: Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China (Ying-Gui Wang; Zheng Liu; Wen-Li Jiang) \|\| Sch. of Internet of Things Eng., Jiangnan Univ., Wuxi, China (Le Yang)
Abstract	The paper considers the problem of reconstructing blocks-sparse signals. A new algorithm, called synthesized multitask compressive sensing (SMCS), is proposed. In contrast to existing methods that rely on the availability of the sparsity structure information, the SMCS algorithm resorts to the multitask compressive sensing (MCS) technique for signal recovery. The SMCS algorithm synthesizes new compressive sensing (CS) tasks via circular-shifting operations and utilizes the minimum description length (MDL) principle to determine the proper set of the synthesized CS tasks for signal reconstruction. An outstanding advantage of SMCS is that it can achieve good signal reconstruction performance without using prior information on the block-sparsity structure. Simulations corroborate the theoretical developments.
Sponsorship	IEEE Signal Process. Soc.
Starting Page	1030
Ending Page	1034
File Size	231119
Page Count	5
File Format	PDF
ISBN	9781479928934
DOI	10.1109/ICASSP.2014.6853753
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Compressed sensing Partitioning algorithms Signal processing algorithms Vectors Signal reconstruction Educational institutions Bayes methods minimum description length Block-sparsity Bayesian learning synthesized multitask compressive sensing
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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