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An interactive braille-recognition system for the visually impaired based on a portable camera

Published: 02 April 2005 Publication History

Abstract

We develop an interactive Braille-recognition system using a portable camera for visually impaired persons who cannot read Braille. Our system helps them to find and then push a desired button, as is necessary when using an elevator or a ticket vending machine, for example. It is natural to think that the information provided, in Braille, with specific buttons is sufficient for successful operation in using an elevator or a ticket vending machine. Most visually impaired persons, however, cannot read Braille. To push a desired button, the user needs to hear only the word or letter associated with the specific Braille character so that s/he can correctly relate the buttons to Braille characters. If the user is informed of all the Braille characters in front of her/him, s/he will be unable to relate the buttons to Braille characters. In our system, the user interactively specifies the location of a particular Braille character to be read by using hand gestures. The system recognizes the user's gestures and reads the desired Braille aloud. In our preliminary experiment, six blindfolded subjects were all able to interact with our system, and recognized the meaning of the buttons that s/he identified.

References

[1]
Dept. of Health and Welfare for Persons with Disabilities, Ministry of Health, Labour and Welfare: "Result of A Survey Pertaining to Physically Impaired (surveyed in June 1 2001)" (in Japanese), 2002.
[2]
X. Fernández Hermida, A. Corbacho Rodríguez and F. Martín Rodríguez: "A Braille O.C.R. for Blind People", Proc. of ICSPAT, 1996.
[3]
J. Terrillon, A. Pilprè, Y. Nishizawa and K. Yamamoto: "Analysis of Human Skin Color Images for a Large Set of Color Spaces and for Different Camera Systems", Proc. of IAPR Workshop on Machine Vision Application, pp.20--25, 2002.
[4]
A. Hub, J. Diepstraten and T. Ertl: "Design and Development of an Indoor Navigation and Object Identification System for the Blind", Proc. of ACM ASSETS, pp.147--152, 2004.
[5]
D. A. Ross and B. B. Blash: "Wearable Interfaces for Orientation and Wayfinding", Proc. of ACM ASSETS, pp.193--200, 2000.

Cited By

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  • (2023)Can blindfolded users replace blind ones in product testing? an empirical studyBehaviour & Information Technology10.1080/0144929X.2023.222676843:8(1664-1682)Online publication date: 6-Jul-2023
  • (2019)A Smart Assistive Computer Numerical Control System for Visually Impaired People to Learn Writing2019 International Conference on Sustainable Technologies for Industry 4.0 (STI)10.1109/STI47673.2019.9068045(1-5)Online publication date: Dec-2019
  • (2017)Alignment and disruption robust binary mapper for optical Braille recognitionInternational Journal of Information Technology10.1007/s41870-017-0069-9Online publication date: 19-Dec-2017
  • Show More Cited By

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cover image ACM Conferences
CHI EA '05: CHI '05 Extended Abstracts on Human Factors in Computing Systems
April 2005
1358 pages
ISBN:1595930027
DOI:10.1145/1056808
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 02 April 2005

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Author Tags

  1. braille recognition
  2. gesture recognition
  3. wearable computer

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Cited By

View all
  • (2023)Can blindfolded users replace blind ones in product testing? an empirical studyBehaviour & Information Technology10.1080/0144929X.2023.222676843:8(1664-1682)Online publication date: 6-Jul-2023
  • (2019)A Smart Assistive Computer Numerical Control System for Visually Impaired People to Learn Writing2019 International Conference on Sustainable Technologies for Industry 4.0 (STI)10.1109/STI47673.2019.9068045(1-5)Online publication date: Dec-2019
  • (2017)Alignment and disruption robust binary mapper for optical Braille recognitionInternational Journal of Information Technology10.1007/s41870-017-0069-9Online publication date: 19-Dec-2017
  • (2007)Low-cost portable text recognition and speech synthesis with generic laptop computer, digital camera and softwareProceedings of the 4th international conference on Universal access in human-computer interaction: ambient interaction10.5555/1763296.1763400(918-927)Online publication date: 22-Jul-2007
  • (2007)Low-Cost Portable Text Recognition and Speech Synthesis with Generic Laptop Computer, Digital Camera and SoftwareUniversal Access in Human-Computer Interaction. Ambient Interaction10.1007/978-3-540-73281-5_100(918-927)Online publication date: 2007
  • (2006)Automatic Recognition System for Turkish Braille Coding2006 IEEE 14th Signal Processing and Communications Applications10.1109/SIU.2006.1659851(1-4)Online publication date: 2006

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