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inria-00112648, version 1

A Block-Based Hough Transform Mapping for Text Line Detection in Handwritten Documents

G. Louloudis () 1, B. Gatos () 2, I. Pratikakis () 2, K. Halatsis () 1

Tenth International Workshop on Frontiers in Handwriting Recognition (2006)

  • 1:  Department of Informatics and Telecommunications (Athens)
  • http://www.di.uoa.gr/en/info.php
    National and Kapodistrian University of Athens National and Kapodistrian University of Athens Dept. of Informatics and Telecommunications Panepistimiopolis, Ilissia Athens 15784 Greece Greece
  • 2:  Computational Intelligence Laboratory [Athens] (CIL)
  • http://cil.iit.demokritos.gr/
    Institute of Informatics and Telecommunications – National Center for Scienfic Research Demokritos Computational Intelligence Laboratory Institute of Informatics and Telecommunications NCSR Demokritos Patriarchou Grigoriou and Neapoleos St Aghia Paraskevi Athens 15310 Greece Greece

Bibliographic reference

  • Type of document: Peer-reviewed conferences/proceedings
  • Domain:
    Computer Science/Document and Text Processing
    Computer Science/Computer Vision and Pattern Recognition
  • Title: A Block-Based Hough Transform Mapping for Text Line Detection in Handwritten Documents
  • Abstract: In this paper, we present a new text line detection method for unconstrained handwritten documents. The proposed technique is based on a strategy that consists of three distinct steps. The first step includes preprocessing for image enhancement, connected component extraction and average character height estimation. In the second step, a block-based Hough transform is used for the detection of potential text lines while a third step is used to correct possible false alarms. The performance of the proposed methodology is based on a consistent and concrete evaluation technique that relies on the comparison between the text line detection result and the corresponding ground truth annotation.
  • ACM Classification:
    I.: Computing Methodologies/I.5: PATTERN RECOGNITION
    I.: Computing Methodologies/I.7: DOCUMENT AND TEXT PROCESSING
  • Full text language: English
  • Publication date: 2006-10-23
  • Audience: not specified
  • Conference title: Tenth International Workshop on Frontiers in Handwriting Recognition
  • Conference city: La Baule (France)
  • Conference date: 2006-10-23
  • Organizer: Université de Rennes 1
  • Scientific editor(s): Guy Lorette
  • Commercial editor: Suvisoft
  • Keywords: Document Analysis – Unconstrained Handwriting – Hough Transform – Text Line Detection – Connected Component Analysis
  • Comment: http://www.suvisoft.com
  • Contract, financing: Université de Rennes 1

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  • inria-00112648, version 1
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  • Submitted on: Thursday, 9 November 2006 14:24:27
  • Updated on: Thursday, 9 November 2006 16:47:55