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Paper Abstract and Keywords
Presentation 2021-06-04 14:45
Acceleration of High-Dimensional Signal Restoration with Primal-Dual Splitting
Gai Yamamoto, Shogo Muramatsu (Niigata Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, an acceleration technique is proposed for high-dimensional signal restoration. In general, it is inevitable that signals observed by sensors are affected by noise, and the techniques of removing noise taken during the observation process and restoring signals contaminated through inadequate environments are essential. Restoration of high-dimensional signals such as volumetric data can take several hours or even days. Therefore, speeding up the restoration process is an important issue. In this study, we aim to speed up a primal-dual splitting (PDS) method, which is one of optimization algorithms used for the high-dimensional signal restoration. We propose to introduce an acceleration method, RMSpropGraves, into PDS, and compare and evaluate the processing speed between the conventional and proposed methods for artificial volumetric data restoration, where an optical coherence tomography (OCT) observation model is adopted as an example. The proposed method is shown to be faster than the conventional one under the same mean squared error (MSE).
Keyword (in Japanese) (See Japanese page) 
(in English) Primal-dual splitting / Image restoration / Volumetric data restoration / Acceleration method / / / /  
Reference Info. ITE Tech. Rep., vol. 45, no. 13, ME2021-57, pp. 81-86, June 2021.
Paper # ME2021-57 
Date of Issue 2021-05-27 (IST, ME) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2021-06-03 - 2021-06-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ME 
Conference Code 2021-06-IST-ME-IE-SIP-BioX 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acceleration of High-Dimensional Signal Restoration with Primal-Dual Splitting 
Sub Title (in English)  
Keyword(1) Primal-dual splitting  
Keyword(2) Image restoration  
Keyword(3) Volumetric data restoration  
Keyword(4) Acceleration method  
1st Author's Name Gai Yamamoto  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Shogo Muramatsu  
2nd Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2021-06-04 14:45:00 
Presentation Time 30 minutes 
Registration for ME 
Paper # IST2021-26, ME2021-57 
Volume (vol) vol.45 
Number (no) no.13 
Page pp.81-86 
Date of Issue 2021-05-27 (IST, ME) 

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