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Paper Abstract and Keywords
Presentation 2012-10-29 14:45
Measurements of depth recognition on stereoscopic scintigrams based on two-altanative forced choice task
Takeshi Hara, Katsuaki Yamazaki (Gifu Univ.), Tetsuro Katafuchi (Gifu Med. Univ.), Tatsunori Kobayashi (Junshin Univ.), Masaki Matsusako (St. Luke Hosp.), Chisako Muramatsu, Xiangrong Zhou, Hiroshi Fujita (Gifu Univ.) MI2012-58
Abstract (in Japanese) (See Japanese page) 
(in English) It is difficult for readers to recognize object depth and overlap in a single scintigraphy. The purpose of this work was to develop a fundamental procedure of stereo scintigraphy with a single gamma camera and to estimate the difference sensitivities of depth recognition by 2-alternative forced choice (2AFC) method. Ten readers took part in the 2AFC study. The difference sensitivities of the depth direction in stereo scintigraphy were larger than that in ordinal imaging method. Seven of 10 readers candistinguish the 1mm difference of depth in the stereo scintigraphy. By comparing the results from single planar image reading, the performance of depth recognition by using the stereo images were considerably improved.
Keyword (in Japanese) (See Japanese page) 
(in English) Scintigram / 2-alternative forced choice / Stereoscopic image / / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 271, MI2012-58, pp. 55-58, Oct. 2012.
Paper # MI2012-58 
Date of Issue 2012-10-22 (MI) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee MI  
Conference Date 2012-10-29 - 2012-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamaguchi Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Biomedical Engineering and Medical Image Processing 
Paper Information
Registration To MI 
Conference Code 2012-10-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurements of depth recognition on stereoscopic scintigrams based on two-altanative forced choice task 
Sub Title (in English)  
Keyword(1) Scintigram  
Keyword(2) 2-alternative forced choice  
Keyword(3) Stereoscopic image  
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1st Author's Name Takeshi Hara  
1st Author's Affiliation Gifu University Graduate School of Medicine (Gifu Univ.)
2nd Author's Name Katsuaki Yamazaki  
2nd Author's Affiliation Gifu University Graduate School of Medicine (Gifu Univ.)
3rd Author's Name Tetsuro Katafuchi  
3rd Author's Affiliation Gifu University of Medical Science (Gifu Med. Univ.)
4th Author's Name Tatsunori Kobayashi  
4th Author's Affiliation Junshin Gakuen University (Junshin Univ.)
5th Author's Name Masaki Matsusako  
5th Author's Affiliation St. Luke's International Hospital (St. Luke Hosp.)
6th Author's Name Chisako Muramatsu  
6th Author's Affiliation Gifu University Graduate School of Medicine (Gifu Univ.)
7th Author's Name Xiangrong Zhou  
7th Author's Affiliation Gifu University Graduate School of Medicine (Gifu Univ.)
8th Author's Name Hiroshi Fujita  
8th Author's Affiliation Gifu University Graduate School of Medicine (Gifu Univ.)
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Speaker Author-1 
Date Time 2012-10-29 14:45:00 
Presentation Time 15 minutes 
Registration for MI 
Paper # MI2012-58 
Volume (vol) vol.112 
Number (no) no.271 
Page pp.55-58 
#Pages 4 
Date of Issue 2012-10-22 (MI) 

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