Adachi, Y.

Tsuruoka, S.

Yoshikawa, T.

English

For printed documents, the projection analysis of black pixels is widely used for the segmentation of a text line. However, for handwritten documents, we think that the projection analysis is not appropriate, as the separating border line of a text line is not a straight line on a paper with no ruled line. We will extract a curved separating border line. In this paper, we propose the new segmentation of a text line from a handwritten document image using a thinning algorithm. In most documents, a text line is separated by a background region for the reader to detect easily. From this point of view we use a new thinning algorithm for the background region to detect the separating border lines. In the thinned objects, the useless chains for the border line are eliminated by gradual conditions. To confirm the usefulness of this method, we applied it to 475 text lines in 22 handwritten documents as test images and an accuracy of 90.0% is obtained

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   University of GroningenTHE SEGMENTATION OF A TEXT LINE FOR A HANDWRITTEN UNCONSTRAINEDDOCUMENT USING THINING ALGORITHMTsuruoka, S.; Adachi, Y.; Yoshikawa, T.Published in:EPRINTS-BOOK-TITLEIMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite fromit. Please check the document version below.Document VersionPublisher's PDF, also known as Version of recordPublication date:2004Link to publication in University of Groningen/UMCG research databaseCitation for published version (APA):Tsuruoka, S., Adachi, Y., & Yoshikawa, T. (2004). THE SEGMENTATION OF A TEXT LINE FOR AHANDWRITTEN UNCONSTRAINED DOCUMENT USING THINING ALGORITHM. In EPRINTS-BOOK-TITLE s.n..CopyrightOther than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of theauthor(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons).The publication may also be distributed here under the terms of Article 25fa of the Dutch Copyright Act, indicated by the “Taverne” license.More information can be found on the University of Groningen website: https://www.rug.nl/library/open-access/self-archiving-pure/taverne-amendment.Take-down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons thenumber of authors shown on this cover page is limited to 10 maximum.505In: L.R.B. Schomaker and L.G. Vuurpijl (Eds.), Proceedings of the Seventh International Workshop on Frontiers in Handwriting Recognition,September 11-13 2000, Amsterdam, ISBN 90-76942-01-3, Nijmegen: International Unipen Foundation, pp 505-510506¾ ¾¾ ¾¾ ¾¾ ¾¾ ¾507Ô/ œ  ç ç/ ł ç/ ø  ç ç/ ß ç508509510

THE SEGMENTATION OF A TEXT LINE FOR A HANDWRITTEN UNCONSTRAINED DOCUMENT USING THINING ALGORITHM

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THE SEGMENTATION OF A TEXT LINE FOR A HANDWRITTEN UNCONSTRAINED DOCUMENT USING THINING ALGORITHM

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