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Paper Abstract and Keywords
Presentation 2020-07-16 13:50
Modeling of Cognitive Bias before and after Image Quality Change for Video Viewing Users
Natsumi Nishizawa, Tatsuya Otoshi, Masayuki Murata (Osaka Univ.) CQ2020-24
Abstract (in Japanese) (See Japanese page) 
(in English) Improving user satisfaction is an important issue in providing video content delivery services over the network. The network control that considers the quality of experience (QoE) of users is effective to optimize the service performance from the user's point of view. Studies on QoE models using network quality and other factors have been carried out to estimate the QoE of users.
However, since QoE is affected by not only network quality but also by human emotions and cognitive biases, a QoE model that includes human psychological effects is necessary. In recent years, quantum decision making has been attracting attention as a method to model cognitive biases.
In this paper, we propose a QoE model that includes cognitive biases using quantum decision-making. Then, we simulate the QoE model using video data and show that the user's cognitive bias and its temporal change can be represented by the QoE model with quantum decision making.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum Decision Making / QoE / Video Streaming / MPEG-DASH / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 108, CQ2020-24, pp. 13-18, July 2020.
Paper # CQ2020-24 
Date of Issue 2020-07-09 (CQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 CQ2020-24

Conference Information
Committee CQ  
Conference Date 2020-07-16 - 2020-07-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) QoE and QoS Evaluation/Measurement/Control, Network Contorol/Management, IoT, etc. 
Paper Information
Registration To CQ 
Conference Code 2020-07-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Modeling of Cognitive Bias before and after Image Quality Change for Video Viewing Users 
Sub Title (in English)  
Keyword(1) Quantum Decision Making  
Keyword(2) QoE  
Keyword(3) Video Streaming  
Keyword(4) MPEG-DASH  
1st Author's Name Natsumi Nishizawa  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Tatsuya Otoshi  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Masayuki Murata  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2020-07-16 13:50:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2020-24 
Volume (vol) vol.120 
Number (no) no.108 
Page pp.13-18 
Date of Issue 2020-07-09 (CQ) 

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