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Subsampled Multichannel Blind Deconvolution by Sparse Power Factorization
Lee, Kiryung; Yarkony, Elad; Bresler, Yoram
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https://hdl.handle.net/2142/90440
Description
- Title
- Subsampled Multichannel Blind Deconvolution by Sparse Power Factorization
- Author(s)
- Lee, Kiryung
- Yarkony, Elad
- Bresler, Yoram
- Issue Date
- 2013-09
- Keyword(s)
- Multichannel blind deconvolution
- pMRI
- Superresolution
- Alternating minimization
- Sparse model
- Date of Ingest
- 2016-07-07T14:37:21Z
- 2017-07-14T23:13:04Z
- Abstract
- In this technical report, we show that sparse power factorization (SPF) is an effective solution to the subsampled multichannel blind deconvolution (SMBD) problem when the input signal follows a sparse model. SMBD is formulated as the recovery of a sparse rank-one matrix. Unlike the recovery of rank-one matrix or of sparse matrix, when there are multiple priors on the solution simultaneously, SPF outperforms convex relaxation approaches both theoretically and empirically. We confirm that SPF exhibits the same advantage in the context of SMBD.
- Publisher
- Coordinated Science Laboratory, University of Illinois at Urbana-Champaign
- Series/Report Name or Number
- Coordinated Science Laboratory Report no. UILU-ENG-13-2207
- Type of Resource
- text
- Genre of Resource
- Technical Report
- Language
- en
- Permalink
- http://hdl.handle.net/2142/90440
- Sponsor(s)/Grant Number(s)
- National Science Foundation/CCF 10-18789
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