Automated tactile graphics translation

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Automated tactile graphics translation: in the field

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ACM SIGACCESS Conference on Computers and Accessibility archive
Proceedings of the 9th international ACM SIGACCESS conference on Computers and accessibility table of contents

Tempe, Arizona, USA

SESSION: Non-visual presentation of information table of contents

Pages: 75 - 82

Year of Publication: 2007

ISBN:978-1-59593-573-1

Authors

Chandrika Jayant	University of Washington
Matt Renzelmann	University of Washington
Dana Wen	University of Washington
Satria Krisnandi	University of Washington
Richard Ladner	University of Washington
Dan Comden	University of Washington

Sponsors

ACM: Association for Computing Machinery
SIGACCESS: ACM Special Interest Group on Accessible Computing

Publisher

ACM New York, NY, USA

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Downloads (6 Weeks): 5, Downloads (12 Months): 61, Citation Count: 1

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ABSTRACT

We address the practical problem of automating the process of translating figures from mathematics, science, and engineering textbooks to a tactile form suitable for blind students. The Tactile Graphics Assistant (TGA) and accompanying workflow is described. Components of the TGA that identify text and replace it with Braille use machine learning, computational geometry, and optimization algorithms. We followed through with the ideas in our 2005 paper by creating a more detailed workflow, translating actual images, and analyzing the translation time. Our experience in translating more than 2,300 figures from 4 textbooks demonstrates that figures can be translated in ten minutes or less of human time on average. We describe our experience with training tactile graphics specialists to use the new TGA technology.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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