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Paper Abstract and Keywords
Presentation 2022-12-03 11:25
Spatio-temporal filtering circuit simulating the characteristics of the visual nervous system
Yuuki Yamaji, Hirotsugu Okuno (OIT) MBE2022-33 NC2022-55
Abstract (in Japanese) (See Japanese page) 
(in English) In the present study, we designed a spatio-temporal filter circuit that simulates the characteristics of the visual nervous system by combining a multi-scale spatial Gabor filter and a temporal band-pass filter. To reduce the computational load of the spatial filter, we employed the following techniques: separating one two-dimentional filter into two one-dimentional filters by using the separability of Gaussian and Gabor functions, and multi-scale filter kernels that differ in width but not in shape. We implemented the filter circuit into a field-programmable gate array (FPGA), and developed an image sensor system that consists of a FPGA and a CMOS image sensor. The system provided spatio-temporal filtered images with 160 $times$ 120 pixels at about 110 frames / second.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-scale / Gabor filter / FPGA / image sensor / neuromorphic / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 292, NC2022-55, pp. 47-50, Dec. 2022.
Paper # NC2022-55 
Date of Issue 2022-11-26 (MBE, NC) 
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 MBE2022-33 NC2022-55

Conference Information
Committee MBE NC  
Conference Date 2022-12-03 - 2022-12-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Electro-Communication University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NC, ME, etc. 
Paper Information
Registration To NC 
Conference Code 2022-12-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Spatio-temporal filtering circuit simulating the characteristics of the visual nervous system 
Sub Title (in English)  
Keyword(1) multi-scale  
Keyword(2) Gabor filter  
Keyword(3) FPGA  
Keyword(4) image sensor  
Keyword(5) neuromorphic  
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1st Author's Name Yuuki Yamaji  
1st Author's Affiliation Osaka Institute of Technology (OIT)
2nd Author's Name Hirotsugu Okuno  
2nd Author's Affiliation Osaka Institute of Technology (OIT)
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Speaker Author-1 
Date Time 2022-12-03 11:25:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # MBE2022-33, NC2022-55 
Volume (vol) vol.122 
Number (no) no.291(MBE), no.292(NC) 
Page pp.47-50 
#Pages 4 
Date of Issue 2022-11-26 (MBE, NC) 

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