NDLI: Sequential matrix rank minimization approach to signal recovery based on subspace system identification

Content Provider	IEEE Xplore Digital Library
Author	Konishi, K. Kawaguchi, R.
Copyright Year	2012
Description	Author affiliation: Faculty of Informatics, Kogakuin University, Tokyo, Japan (Konishi, K.; Kawaguchi, R.)
Abstract	This paper deals with the problem of recovering the output signals from linear systems with unknown model order. Because the linear system identification problem with unknown model order can be formulated as the matrix rank minimization problem by applying the subspace identification method, this paper takes a matrix rank minimization approach to the signal recovery problem and formulates the problem as the mixed matrix rank and the Frobenius norm minimization problem. In order to solve this problem approximately, this paper proposes the null space based alternating optimization (NSAO) identification algorithm. Modifying the NSAO algorithm, this paper proposes a sequential identification algorithm, which enables us to identify the model order and the true output of switched linear systems. Experimental results using the output signals from the Kinect sensor show that the proposed algorithm can identify the model order and the true output and that the sequential algorithm can recover the missing signals generated from switched linear systems efficiently.
Starting Page	996
Ending Page	1001
File Size	1668908
Page Count	6
File Format	PDF
ISBN	9781467345033
ISSN	10851992
e-ISBN	9781467345057
e-ISBN	9781467345040
DOI	10.1109/CCA.2012.6402385
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-03
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Minimization Linear systems Approximation algorithms Optimization Switches Algorithm design and analysis Mathematical model
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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