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Paper Abstract and Keywords
Presentation 2018-10-26 11:10
Improvement of Calcification regions detection in Dental Panoramic Radiographs Considering Precise Shape Restoration
Takeshi Nasu, Mitsuji Muneyasu, Akira Asano (Kansai Univ.), Keiichi Uchida, Yasuaki Ishioka, Nobuo Yoshinari, Akira Taguchi (Matsumoto Dental Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) It has been proposed to use a dental panoramic radiograph captured in a dental clinic to judge a presence of calcification in a carotid artery, which is considered to be a sign of arteriosclerosis. According to the judgment, we can recommend consultation with a physician to prevent the sudden onset of vascular disease. In this paper, we propose a method to improve the discrimination accuracy on the presence of calcification by improving the accuracy of shape reconstruction of the region considered to be calcified. Here, we extract the coordinates which are considered to constitute the outline of the calcification region and calculate the index which indicates how much the coordinates are appropriate as a part of the outline of the calcification region. Also, contour extraction is performed so that control points of snakes converge according to the value. As a result, the shape can be extracted more accurately than the conventional method. We confirm the improvement of the discrimination accuracy through experiments using dental panoramic radiographs.
Keyword (in Japanese) (See Japanese page) 
(in English) carotid artery calcification region / dental panoramic radiograph / arteriosclerosis / intensity / automatic detection / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 264, SIS2018-19, pp. 89-94, Oct. 2018.
Paper # SIS2018-19 
Date of Issue 2018-10-18 (SIS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SIS ITE-BCT  
Conference Date 2018-10-25 - 2018-10-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto University Clock Tower Centennial Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System Implementation Technology, Short Range Wireless Systems, Smart Multimedia Systems, Broadcasting Technology, etc. 
Paper Information
Registration To SIS 
Conference Code 2018-10-SIS-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Calcification regions detection in Dental Panoramic Radiographs Considering Precise Shape Restoration 
Sub Title (in English)  
Keyword(1) carotid artery calcification region  
Keyword(2) dental panoramic radiograph  
Keyword(3) arteriosclerosis  
Keyword(4) intensity  
Keyword(5) automatic detection  
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1st Author's Name Takeshi Nasu  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Mitsuji Muneyasu  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Akira Asano  
3rd Author's Affiliation Kansai University (Kansai Univ.)
4th Author's Name Keiichi Uchida  
4th Author's Affiliation Matsumoto Dental University (Matsumoto Dental Univ.)
5th Author's Name Yasuaki Ishioka  
5th Author's Affiliation Matsumoto Dental University (Matsumoto Dental Univ.)
6th Author's Name Nobuo Yoshinari  
6th Author's Affiliation Matsumoto Dental University (Matsumoto Dental Univ.)
7th Author's Name Akira Taguchi  
7th Author's Affiliation Matsumoto Dental University (Matsumoto Dental Univ.)
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Speaker
Date Time 2018-10-26 11:10:00 
Presentation Time 20 
Registration for SIS 
Paper # IEICE-SIS2018-19 
Volume (vol) IEICE-118 
Number (no) no.264 
Page pp.89-94 
#Pages IEICE-6 
Date of Issue IEICE-SIS-2018-10-18 


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