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Paper Abstract and Keywords
Presentation 2017-10-05 16:45
Diagnosing deterioration of tree trunks using GPR
Ken Kajino, Kazunori Takahashi, Kunio Aoike, Yayoi Ashiba, Nobuaki Ishizawa (OYO)
Abstract (in Japanese) (See Japanese page) 
(in English) The authors have been using GPR to non-destructively diagnose the internal deteriorations of tree trunks. We accurately measure the shapes of the tree trunks using total station, and migrate GPR signals with an estimated relative permittivity based on the travel times in transmission measurements, and superimposed the migrated images to ortho-photographs of ground surface around the tree. Continuity of the phases in transmission data indicated the presence of a void inside trunk. To make tree diagnosis by GPR low cost, we plan to screen trees estimated to possess more than 50% deteriorated area first. Next incorporating the shapes of the tree trunks to detailed analysis is to be performed.
Keywords Ground penetrating radar (GPR), tree trunk, deterioration, total station (TS).
Keyword (in Japanese) (See Japanese page) 
(in English) Ground penetrating radar (GPR) / tree trunk / deterioration / total station (TS) / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 222, SANE2017-61, pp. 95-100, Oct. 2017.
Paper # SANE2017-61 
Date of Issue 2017-09-27 (SANE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SANE  
Conference Date 2017-10-04 - 2017-10-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Maison franco - japonaise (Tokyo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 14th workshop on subsurface electromagnetic measurement 
Paper Information
Registration To SANE 
Conference Code 2017-10-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Diagnosing deterioration of tree trunks using GPR 
Sub Title (in English)  
Keyword(1) Ground penetrating radar (GPR)  
Keyword(2) tree trunk  
Keyword(3) deterioration  
Keyword(4) total station (TS)  
1st Author's Name Ken Kajino  
1st Author's Affiliation OYO corporation (OYO)
2nd Author's Name Kazunori Takahashi  
2nd Author's Affiliation OYO corporation (OYO)
3rd Author's Name Kunio Aoike  
3rd Author's Affiliation OYO corporation (OYO)
4th Author's Name Yayoi Ashiba  
4th Author's Affiliation OYO corporation (OYO)
5th Author's Name Nobuaki Ishizawa  
5th Author's Affiliation OYO corporation (OYO)
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Date Time 2017-10-05 16:45:00 
Presentation Time 25 
Registration for SANE 
Paper # IEICE-SANE2017-61 
Volume (vol) IEICE-117 
Number (no) no.222 
Page pp.95-100 
#Pages IEICE-6 
Date of Issue IEICE-SANE-2017-09-27 

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