An Interaction Based Approach to Document Segmentation for the Visually Impaired

Authors:
Robert Keefer;Dimitris Dakapoulos;Anna Esposito;Nikoloaos Bourbakis
Affiliations:
Assistive Technologies Research Center, College of Engineering, Wright State University, Dayton, USA OH 45435;Assistive Technologies Research Center, College of Engineering, Wright State University, Dayton, USA OH 45435;Assistive Technologies Research Center, College of Engineering, Wright State University, Dayton, USA OH 45435;Assistive Technologies Research Center, College of Engineering, Wright State University, Dayton, USA OH 45435
Venue:
UAHCI '09 Proceedings of the 5th International Conference on Universal Access in Human-Computer Interaction. Part III: Applications and Services
Year:
2009

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Abstract

While reading devices for the visually impaired have been available for many years, they are often expensive and difficult to use. The image processing required to enable the reading task is a composition of several important sub-tasks, such as image capture, binarization, pyramidal representation, region segmentation, regions grouping, separation of text sentences from images, words recognition, etc. In this paper we deal with some of these sub-tasks in an effort to prototype a machine (Tyflos-reader) that will read a document for a person with a visual impairment and respond to voice commands for control. The methodology used and illustrative results are provided in this paper.