Drishti: An Integrated Indoor/Outdoor Blind Navigation System and Service
PERCOM '04 Proceedings of the Second IEEE International Conference on Pervasive Computing and Communications (PerCom'04)
Mobile messenger for the blind
ERCIM'06 Proceedings of the 9th conference on User interfaces for all
Subway mobility assistance tools for blind users
ERCIM'06 Proceedings of the 9th conference on User interfaces for all
The blind interactive guide system using RFID-Based indoor positioning system
ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
Making visual maps accessible to the blind
UAHCI'11 Proceedings of the 6th international conference on Universal access in human-computer interaction: users diversity - Volume Part II
International Journal of Human-Computer Studies
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In this paper we present a set of mobile, audio-based applications to assist with the navigation of blind users through real environments. These applications are used with handheld PocketPC devices and are developed for different contexts such as the neighborhood, bus transportation, the Metro network and the school. The interfaces were developed with the use of verbalized and sound-based environments. The usability of the hardware and the software was evaluated, obtaining a high degree of acceptance of the sound and user control, as well as a high level of satisfaction and motivation expressed by the blind users.