Rapid prototyping of mobile context-aware applications: the Cyberguide case study
MobiCom '96 Proceedings of the 2nd annual international conference on Mobile computing and networking
Verbal associations to tactile patterns: a step towards textured legends in multimodal maps
CHI '08 Extended Abstracts on Human Factors in Computing Systems
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In this paper, we present an overview of current electronic locomotion aids for the blind and perspectives for future systems. We start with the two main issues raised by locomotion assistance for the blind : how to capture and present information. Then, we explain how these issues have been dealt with in existing devices, and we describe the techniques that have been used to solve them : infrared, ultrasonic and laser sensors to capture information; tactile and audio modalities to present information. After that, we expose some current ideas and results about a new generation of context-aware, semantics-enhanced locomotion assistance devices, that are expected to provide higher-level information than current ones do.