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2011 Fiscal Year Final Research Report

Embedding a Mathematical OCR Module into OCRopus

Research Project

  • PDF
Project/Area Number 21500163
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Perception information processing/Intelligent robotics
Research InstitutionShinshu University

Principal Investigator

OKAMOTO Masayuki  信州大学, 工学部, 教授 (50109196)

Co-Investigator(Kenkyū-buntansha) SHIRAI Keiichiro  信州大学, 工学部, 助教 (00447723)
Project Period (FY) 2009 – 2011
Keywordsパターン認識
Research Abstract

In this research, we aim to contribute the development of the full text OCR system that is also able to read mathematical expression, and embed our mathematical OCR module to an open source OCR soft OCRopus developed by DFKI(German Research Center for Artificial Intelligence). To increase the affinity between our module and the system, we reviewed the embedding position of our module and utilized the existence functions of the OCRopus. As for the display expression in which the mathematical expression appears as a line independently, our module is able to locate and crop the line automatically, then the cropped line is correctly converted to the Math-ML or the LaTex format.

  • Research Products

    (5 results)

All 2011 Other

All Presentation (3 results) Remarks (2 results)

  • [Presentation] Embedding a mathematical OCR module into OCRopus2011

    • Author(s)
      S. Yamazaki, F. Furukori, Q. Zhao, K. Shirai, M. Okamoto
    • Organizer
      Document Analysis and Recognition
    • Place of Presentation
      Proc of IAPR Inter
    • Year and Date
      2011-09-19
  • [Presentation] OCRソフトOCRopusへの数式認識モジュールの組込みの検討2011

    • Author(s)
      山崎慎平,古郡史啓,趙勤政,白井啓一郎,岡本正行
    • Organizer
      信学技報PRMU2010-267
    • Year and Date
      2011-03-11
  • [Presentation] 合焦位置を起点とした文字列抽出の一検討2011

    • Author(s)
      王済凱,馬国峰,白井啓一郎,岡本正行
    • Organizer
      信学技報PRMU2010-286
    • Year and Date
      2011-03-11
  • [Remarks] OCRopus用数式認識モジュール公開ページ

    • URL

      http://syorserv.cs.shinshu-u.ac.jp/src/ocr/

  • [Remarks] 数式認識ライブラリ公開ページ

    • URL

      http://syorserv.cs.shinshu-u.ac.jp/src/ocr/exp.html

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Published: 2013-07-31  

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