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Paper Abstract and Keywords
Presentation 2021-10-09 09:00
Omni-Directional Image Representation in GAN-based Image Generator
Keisuke Okubo, Takao Yamanaka (Sophia Univ.) PRMU2021-17
Abstract (in Japanese) (See Japanese page) 
(in English) The omni-directional image generation from a snapshot image taken by an ordinary camera has been developed using conditional generative adversarial networks (cGAN). This method can be utilized for various applications such as virtual reality and social network services. Although the equirectangular projection is widely used for the omni-directional image representation, the cube-map projection has less distortion at the poles. In this study, these projections were compared to examine the better representation in the cGAN-based omni-directional image generator. For these projections, padding methods before the discriminator in cGAN were developed to preserve the continuities at the edges of the generated omni-directional image. As a result of evaluating the generated images, it was found that the equirectangular projection is more suitable for the omni-directional image generator.
Keyword (in Japanese) (See Japanese page) 
(in English) Omni-directional image / Generative adversarial networks / Equirectangular projection / Cube-map projection / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 192, PRMU2021-17, pp. 5-10, Oct. 2021.
Paper # PRMU2021-17 
Date of Issue 2021-10-01 (PRMU) 
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)
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Conference Information
Committee PRMU  
Conference Date 2021-10-08 - 2021-10-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Processes and technologies to make research more efficient 
Paper Information
Registration To PRMU 
Conference Code 2021-10-PRMU 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Omni-Directional Image Representation in GAN-based Image Generator 
Sub Title (in English)  
Keyword(1) Omni-directional image  
Keyword(2) Generative adversarial networks  
Keyword(3) Equirectangular projection  
Keyword(4) Cube-map projection  
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1st Author's Name Keisuke Okubo  
1st Author's Affiliation Sophia University (Sophia Univ.)
2nd Author's Name Takao Yamanaka  
2nd Author's Affiliation Sophia University (Sophia Univ.)
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Speaker
Date Time 2021-10-09 09:00:00 
Presentation Time 15 
Registration for PRMU 
Paper # IEICE-PRMU2021-17 
Volume (vol) IEICE-121 
Number (no) no.192 
Page pp.5-10 
#Pages IEICE-6 
Date of Issue IEICE-PRMU-2021-10-01 


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