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Paper Abstract and Keywords
Presentation 2022-03-08 10:25
Robust computation of optimal transport by β-potential regularization
Shintaro Nakamura (Univ. Tokyo), Han Bao (Univ.Tokyo/RIKEN), Masashi Sugiyama (RIKEN/Univ. Tokyo) IBISML2021-31
Abstract (in Japanese) (See Japanese page) 
(in English) Optimal transport (OT) has become a widely used tool to measure the discrepancy between probability distributions
in the machine learning field. For instance, OT is a popular loss function that quantifies the discrepancy between an empirical
distribution and a parametric model. Recently, an entropic penalty term and the celebrated Sinkhorn algorithm have been
commonly used to approximate the original OT in a computationally efficient way. However, since the Sinkhorn algorithm runs
a projection associated with the Kullback-Leibler divergence, it is often vulnerable to outliers. To overcome this problem, we
propose regularizing OT with the
Keyword (in Japanese) (See Japanese page) 
(in English) Optimal transport / Robustness / outlier detection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 419, IBISML2021-31, pp. 8-14, March 2022.
Paper # IBISML2021-31 
Date of Issue 2022-03-01 (IBISML) 
ISSN 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)
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Conference Information
Committee IBISML  
Conference Date 2022-03-08 - 2022-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Machine Learning, etc. 
Paper Information
Registration To IBISML 
Conference Code 2022-03-IBISML 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Robust computation of optimal transport by β-potential regularization 
Sub Title (in English)  
Keyword(1) Optimal transport  
Keyword(2) Robustness  
Keyword(3) outlier detection  
1st Author's Name Shintaro Nakamura  
1st Author's Affiliation University of Tokyo (Univ. Tokyo)
2nd Author's Name Han Bao  
2nd Author's Affiliation University of Tokyo/RIKEN (Univ.Tokyo/RIKEN)
3rd Author's Name Masashi Sugiyama  
3rd Author's Affiliation RIKEN/University of Tokyo (RIKEN/Univ. Tokyo)
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Speaker Author-1 
Date Time 2022-03-08 10:25:00 
Presentation Time 25 minutes 
Registration for IBISML 
Paper # IBISML2021-31 
Volume (vol) vol.121 
Number (no) no.419 
Page pp.8-14 
Date of Issue 2022-03-01 (IBISML) 

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