A Characterization of Ten Hidden-Surface Algorithms
ACM Computing Surveys (CSUR)
Exploring Context-aware Information Push
Personal and Ubiquitous Computing
Drishti: An Integrated Navigation System for Visually Impaired and Disabled
ISWC '01 Proceedings of the 5th IEEE International Symposium on Wearable Computers
3D Audio Augmented Reality: Implementation and Experiments
ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
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)
Accessible contextual information for urban orientation
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Mobility Impaired Pedestrians Are Not Cars: Requirements for the Annotation of Geographical Data
ICCHP '08 Proceedings of the 11th international conference on Computers Helping People with Special Needs
Auditory icons: using sound in computer interfaces
Human-Computer Interaction
Earcons and icons: their structure and common design principles
Human-Computer Interaction
Investigating background & foreground interactions using spatial audio cues
CHI '09 Extended Abstracts on Human Factors in Computing Systems
SWAN: System for Wearable Audio Navigation
ISWC '07 Proceedings of the 2007 11th IEEE International Symposium on Wearable Computers
Initial development of a PDA mobility aid for visually impaired people
INTERACT'07 Proceedings of the 11th IFIP TC 13 international conference on Human-computer interaction - Volume Part II
Timbremap: enabling the visually-impaired to use maps on touch-enabled devices
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Supporting spatial awareness and independent wayfinding for pedestrians with visual impairments
The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility
Towards a geographic information system facilitating navigation of visually impaired users
ICCHP'12 Proceedings of the 13th international conference on Computers Helping People with Special Needs - Volume Part II
The visually pervasive augmented world
Proceedings of the 6th International Conference on PErvasive Technologies Related to Assistive Environments
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Numerous projects have investigated assistive navigation technologies for the blind community, tackling challenges ranging from interface design to sensory substitution. However, none of these have successfully integrated what we consider to be the three factors necessary for a widely deployable system that delivers a rich experience of one's environment: implementation on a commodity device, use of a pre-existing worldwide point of interest (POI) database, and a means of rendering the environment that is superior to a naive playback of spoken text. Our "In Situ Audio Services" (ISAS) application responds to these needs, allowing users to explore an urban area without necessarily having a particular destination in mind. We describe the technical aspects of its implementation, user requirements, interface design, safety concerns, POI data source issues, and further requirements to make the system practical on a wider basis. Initial qualitative feedback from blind users is also discussed.