MS-EXPLORER: Multimodal Spatial Access to Information for Visually Impaired People
Résumé
The objective of the MS-EXPLORER project is to provide a new interaction paradigm for document access for visually impaired people. This paradigm aims to preserve spatial structure of information, in particular twodimensional information such as mathematical formulas, maps, web pages, arrays, diagrams, etc. The approach consists in combining different interaction modalities to present the information and relies on the definition of three levels for information access. First, the spatial level allows the user to perceive the overall spatial structure of the information without being bothered by the details. Then, the type level allows having access to the type of information currently explored by the user's fingers (image, paragraph, list, array, menu, etc.). Finally, the substantial level allows getting the detailed content of the currently explored element. Different modalities and devices (dynamic tactile graphics, braille, speech synthesis) will be used to provide access to these different levels. A first prototype has been developed and a preliminary study to determine how to render the spatial structure has been conducted.
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