Technology Advances and Standardization toward Accessible Business Graphics

Various types of graphics are exchanged in our daily business and
education processes. In spite of the importance of business graphics, they are
not accessible for visually impaired people, especially for the blind, and this
impacts their productivity at work. Current serialization-based screen reading
techniques do not provide sufficient functionality for accessing graphics. In this
paper, we report the results of our survey to identify next generation
accessibility features in future graphics standards, especially for the
OpenDocument Format (ODF). We will first compare accessibility functions in
various types of existing standards. Then we will report our survey results for
three related areas, a survey of existing business graphics in presentation
documents to unveil the complexity of practical graphics, a survey of research
on various types of graphical taxonomies, and a survey of interface
technologies for representing graphics non-visually, such as screen reading and
pictorial Braille. Finally, we will propose three practical enhancements for
standard graphic formats based on the survey results.

By: Hironobu Takagi, Tatsuya Ishihara

Published in: RT0715 in 2007


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