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Scientific PDF Document Reader with Simple Interface for Visually Impaired People

  • Conference paper
Computers Helping People with Special Needs (ICCHP 2006)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 4061))

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Abstract

We proposed our integrated system for scientific documents including mathematical formulae with speech output interface [1], named “ChattyInfty.” This system consists of recognizer, editor and speech interface for scientific documents. Using this system, visually impaired people can read printed scientific documents with speech output. In this paper, we propose a new additional function of this system, which recognizes PDF documents. Using this function, visually impaired people can also read PDF documents including mathematical formulae with ChattyInfty. If PDF documents have embedded text, our PDF recognition engine does not only recognize PDF documents as page images but also utilizes the text information to verify its recognition results, to improve the recognition results. Recent commercial OCR software usually provides PDF output. Combining it with our PDF reader, users can get integrated recognition results of any such commercial OCR with Infty’s results of mathematical formulae. This system also provides simple interface customized for visually impaired people. It enables them to read scientific document (as image files / PDF) in minimum steps of key operation.

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References

  1. Suzuki, M., Kanahori, T., Ohtake, N., Yamaguchi, K.: An Integrated OCR Software for mathematical Documents and Its Output with Accessibility. In: Miesenberger, K., Klaus, J., Zagler, W., Burger, D. (eds.) ICCHP 2004. LNCS, vol. 3118, pp. 648–655. Springer, Heidelberg (2004)

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  2. Kanahori, T., Suzuki, M.: Refinement of digitized documents through recognition of mathematical formulae. In: The Proceedings of the 2nd International Workshop on Document Image Analysis for Libraries (to appear)

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Author information

Authors and Affiliations

  1. Research and Support Center on Higher Education for the Hearing and Visually Impaired, Tsukuba University of Technology, 4-12-7 Kasuga, Tsukuba, Ibaraki, 305-8521, Japan

    Toshihiro Kanahori

  2. Faculty of Mathematics, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka, 812-8581, Japan

    Masakazu Suzuki

Authors
  1. Toshihiro Kanahori
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  2. Masakazu Suzuki
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Editor information

Editors and Affiliations

  1. Institut Integriert Studieren, Johannes Kepler Universität, Altenbergerstraße 69, 4040, Linz, Austria

    Klaus Miesenberger

  2. Studienzentrum fuer Sehgeschaedigte, Universitaet Karlsruhe (TH), Germany

    Joachim Klaus

  3. fortec - Research Group on Rehabilitation Technology, Institute integrated study, Vienna Univ. of Technology, Favoritenstr. 11/029, A 1040, Vienna, Austria

    Wolfgang L. Zagler

  4. The Universal Math Access Lab, University of San Francisco, 281 Masonic San Francisco, 94117, CA, USA

    Arthur I. Karshmer

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© 2006 Springer-Verlag Berlin Heidelberg

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Cite this paper

Kanahori, T., Suzuki, M. (2006). Scientific PDF Document Reader with Simple Interface for Visually Impaired People. In: Miesenberger, K., Klaus, J., Zagler, W.L., Karshmer, A.I. (eds) Computers Helping People with Special Needs. ICCHP 2006. Lecture Notes in Computer Science, vol 4061. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11788713_8

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  • DOI: https://doi.org/10.1007/11788713_8

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-36020-9

  • Online ISBN: 978-3-540-36021-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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