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Paper Abstract and Keywords
Presentation 2016-03-22 11:50
Calcium imaging data analysis by multi resolution non-negative matrix factorization
Tsubasa Ito (Tokyo Tech), Keisuke Ota (RIKEN/JSPS), Masanori Murayama (RIKEN), Toru Aonishi (Tokyo Tech) NC2015-92
Abstract (in Japanese) (See Japanese page) 
(in English) Ca2+ imaging is the imaging method of neuronal activity in the brain. Recently, the technological advance in Ca2+ imaging methods including two-photon fluorescence microscopy has enabled us to detect several hundreds of cells simultaneously at once. As increasing the data size the manual detection of cells becomes more difficult. Additionally, many researcher groups are desiring to acquire high spatial (more accurate cell shape) and temporal (more accurate neural activity) resolution information. Due to the limitation of scan speed we cannot make able to increase both spatial and temporal resolution simultaneously. In order to address this problems, we propose multi-resolution NMF to extract high spatial and high temporal resolution signals from imaging data with different resolution: high-frame-rate low-spatial resolution data and low-frame-rate high-spatial resolution data.
Keyword (in Japanese) (See Japanese page) 
(in English) Ca2+ imaging / non-negative matrix factorization / multi resolution analysis / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 514, NC2015-92, pp. 131-136, March 2016.
Paper # NC2015-92 
Date of Issue 2016-03-15 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF NC2015-92

Conference Information
Committee MBE NC  
Conference Date 2016-03-22 - 2016-03-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2016-03-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Calcium imaging data analysis by multi resolution non-negative matrix factorization 
Sub Title (in English)  
Keyword(1) Ca2+ imaging  
Keyword(2) non-negative matrix factorization  
Keyword(3) multi resolution analysis  
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1st Author's Name Tsubasa Ito  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Keisuke Ota  
2nd Author's Affiliation RIKEN/JSPS (RIKEN/JSPS)
3rd Author's Name Masanori Murayama  
3rd Author's Affiliation RIKEN (RIKEN)
4th Author's Name Toru Aonishi  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2016-03-22 11:50:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2015-92 
Volume (vol) vol.115 
Number (no) no.514 
Page pp.131-136 
#Pages 6 
Date of Issue 2016-03-15 (NC) 

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