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Paper Abstract and Keywords
Presentation 2021-03-04 15:00
[Poster Presentation] A Separation Method for Handwritings and Printed Texts on Documents as a Preprocessing Filter for OCR
Ryotaro Sakurai, Hirohisa Hioki (Kyoto Univ.) EMM2020-73
Abstract (in Japanese) (See Japanese page) 
(in English) In applying OCR to documents with handwritings, printed texts and handwritings have to be separated from each other. We propose a separation method for this purpose. In our method, we first identify printed texts and handwritings in a document and separate them. We would then find the former is damaged by the latter where they intersect. We restore the printed texts through an Inpainting method and a morphological operation. We have evaluated our method by the OCR recognition rate of printed texts using twenty images of English papers with handwritings. The average OCR recognition rate has been improved from about 60% to 95% before and after applying our method.
Keyword (in Japanese) (See Japanese page) 
(in English) OCR / Document Image / Handwritings / Image Inpainting / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 418, EMM2020-73, pp. 34-39, March 2021.
Paper # EMM2020-73 
Date of Issue 2021-02-25 (EMM) 
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)
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Conference Information
Committee EMM  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image and Sound Quality, Metrics for Perception and Recognition, Human Auditory and Visual System, etc. 
Paper Information
Registration To EMM 
Conference Code 2021-03-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Separation Method for Handwritings and Printed Texts on Documents as a Preprocessing Filter for OCR 
Sub Title (in English)  
Keyword(1) OCR  
Keyword(2) Document Image  
Keyword(3) Handwritings  
Keyword(4) Image Inpainting  
1st Author's Name Ryotaro Sakurai  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Hirohisa Hioki  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
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Date Time 2021-03-04 15:00:00 
Presentation Time 15 
Registration for EMM 
Paper # IEICE-EMM2020-73 
Volume (vol) IEICE-120 
Number (no) no.418 
Page pp.34-39 
#Pages IEICE-6 
Date of Issue IEICE-EMM-2021-02-25 

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