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Paper Abstract and Keywords
Presentation 2020-03-03 09:00
[Poster Presentation] Multi-scale graph construction method for graph signal coding with SPIHT algorithm
Kosuke Abe, Yuichi Tanaka (TUAT) EA2019-151 SIP2019-153 SP2019-100
Abstract (in Japanese) (See Japanese page) 
(in English) Set Partitioning In Hierarchical Trees (SPIHT) is an efficient wavelet-based image coding method. It is designed for progressive coding of two-dimensional wavelet transform coefficients by utilizing so called ``parent-children relationship'' among scales. In this paper, we propose a multi-scale graph construction method for graph signal coding using the SPIHT algorithm. In contrast to two-dimensional signals, sampling of graph signals is generally nonuniform which leads to that the SPIHT algorithm cannot be applied straightforwardly. To solve this problem, we propose a method to add dummy nodes to the original graph and adjust the vertex indices so that the multi-scale graph has a binary tree structure. In the experiment, the compression performance and the execution time between the conventional and the proposed methods are compared. The proposed method outperformed the conventional point cloud compression methods in SNR in terms of compression performance. Our algorithm was also faster than the existing SPIHT algorithm for graph signals.
Keyword (in Japanese) (See Japanese page) 
(in English) Graph signal processing / Graph wavelet transform / SPIHT / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 440, SIP2019-153, pp. 289-294, March 2020.
Paper # SIP2019-153 
Date of Issue 2020-02-24 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 EA2019-151 SIP2019-153 SP2019-100

Conference Information
Committee SP EA SIP  
Conference Date 2020-03-02 - 2020-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2020-03-SP-EA-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multi-scale graph construction method for graph signal coding with SPIHT algorithm 
Sub Title (in English)  
Keyword(1) Graph signal processing  
Keyword(2) Graph wavelet transform  
Keyword(3) SPIHT  
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1st Author's Name Kosuke Abe  
1st Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
2nd Author's Name Yuichi Tanaka  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
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Speaker Author-1 
Date Time 2020-03-03 09:00:00 
Presentation Time 90 minutes 
Registration for SIP 
Paper # EA2019-151, SIP2019-153, SP2019-100 
Volume (vol) vol.119 
Number (no) no.439(EA), no.440(SIP), no.441(SP) 
Page pp.289-294 
#Pages
Date of Issue 2020-02-24 (EA, SIP, SP) 


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