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Paper Abstract and Keywords
Presentation 2020-11-18 14:25
Energy Efficient Approximate Storing of Image Data for Non-volatile Memory
Yoshinori Ono, Kimiyoshi Usami (SIT) VLD2020-38 ICD2020-58 DC2020-58 RECONF2020-57
Abstract (in Japanese) (See Japanese page) 
(in English) A non-volatile memory (NVM) employing MTJ has a lot of strong points. However, it consumes a lot of energy when writing the data. To solve this problem, we propose an energy-efficient approximate storing scheme for NVM that allows us to write the data by optimizing the bit positions to split the data and the write time for each bit range. Simulation results with image data have demonstrated the write energy can be reduced up to 50% while maintaining the acceptable image quality. We also investigated the relationship between the input images and the output image quality when using this approach. In addition, we evaluated the energy benefits when applying our approach to several types of image processing. Results showed that the write energy is reduced by further 17% at the maximum.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-volatile Memory / MTJ / Energy Minimization / Approximate Computing / Image Processing / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 234, VLD2020-38, pp. 145-150, Nov. 2020.
Paper # VLD2020-38 
Date of Issue 2020-11-10 (VLD, ICD, DC, RECONF) 
ISSN 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 VLD2020-38 ICD2020-58 DC2020-58 RECONF2020-57

Conference Information
Committee VLD DC RECONF ICD IPSJ-SLDM  
Conference Date 2020-11-17 - 2020-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Gaia 2020 -New Field of VLSI Design- 
Paper Information
Registration To VLD 
Conference Code 2020-11-VLD-DC-RECONF-ICD-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Energy Efficient Approximate Storing of Image Data for Non-volatile Memory 
Sub Title (in English)  
Keyword(1) Non-volatile Memory  
Keyword(2) MTJ  
Keyword(3) Energy Minimization  
Keyword(4) Approximate Computing  
Keyword(5) Image Processing  
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1st Author's Name Yoshinori Ono  
1st Author's Affiliation Shibaura Institute of Technology (SIT)
2nd Author's Name Kimiyoshi Usami  
2nd Author's Affiliation Shibaura Institute of Technology (SIT)
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Speaker Author-1 
Date Time 2020-11-18 14:25:00 
Presentation Time 25 minutes 
Registration for VLD 
Paper # VLD2020-38, ICD2020-58, DC2020-58, RECONF2020-57 
Volume (vol) vol.120 
Number (no) no.234(VLD), no.235(ICD), no.236(DC), no.237(RECONF) 
Page pp.145-150 
#Pages 6 
Date of Issue 2020-11-10 (VLD, ICD, DC, RECONF) 

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