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Using bat-modelled sonar as a navigational tool in virtual environments
International Journal of Human-Computer Studies
YPOP indoor navigation and service information system for public environments
ICCOM'07 Proceedings of the 11th Conference on 11th WSEAS International Conference on Communications - Volume 11
LaureaPOP indoor navigation service for the visually impaired in a WLAN environment
EHAC'07 Proceedings of the 6th WSEAS International Conference on Electronics, Hardware, Wireless and Optical Communications
LaureaPOP indoor navigation service for the visually impaired in a WLAN environment
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RouteCheckr: personalized multicriteria routing for mobility impaired pedestrians
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Assisting mobility of the disabled using space-identifying ubiquitous infrastructure
Proceedings of the 10th international ACM SIGACCESS conference on Computers and accessibility
Mobility Impaired Pedestrians Are Not Cars: Requirements for the Annotation of Geographical Data
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Proactive Versus Multimodal Online Help: An Empirical Study
AH '08 Proceedings of the 5th international conference on Adaptive Hypermedia and Adaptive Web-Based Systems
Applications of location-based services: a selected review
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Short Communication: Improving location awareness in indoor spaces using RFID technology
Expert Systems with Applications: An International Journal
AudioNav: a mixed reality navigation system for individuals who are visually impaired
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A 3D pose estimator for the visually impaired
IROS'09 Proceedings of the 2009 IEEE/RSJ international conference on Intelligent robots and systems
Development of a cane with a haptic interface using IC tags for the visually impaired
IROS'09 Proceedings of the 2009 IEEE/RSJ international conference on Intelligent robots and systems
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Guidelines for designing mobility and orientation software for blind children
INTERACT'07 Proceedings of the 11th IFIP TC 13 international conference on Human-computer interaction
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Proceedings of the 11th International Conference on Computer Systems and Technologies and Workshop for PhD Students in Computing on International Conference on Computer Systems and Technologies
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International Journal of Robotics Research
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Development of a shoe-mounted assistive user interface for navigation
International Journal of Sensor Networks
A hybrid computational model for an automated image descriptor for visually impaired users
Computers in Human Behavior
Haptic-GIS: exploring the possibilities
SIGSPATIAL Special
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CHI '11 Extended Abstracts on Human Factors in Computing Systems
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Proceedings of the 2nd International Convention on Rehabilitation Engineering & Assistive Technology
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Proceedings of the 12th International Conference on Computer Systems and Technologies
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HCII'11 Proceedings of the 14th international conference on Human-computer interaction: towards mobile and intelligent interaction environments - Volume Part III
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Proceedings of the 13th International Conference on Information Integration and Web-based Applications and Services
Proceedings of the 2012 iConference
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Assistive text reading from complex background for blind persons
CBDAR'11 Proceedings of the 4th international conference on Camera-Based Document Analysis and Recognition
KinDectect: kinect detecting objects
ICCHP'12 Proceedings of the 13th international conference on Computers Helping People with Special Needs - Volume Part II
RSNAVI: an RFID-based context-aware indoor navigation system for the blind
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International Journal of Human-Computer Studies
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There are many navigation systems for visuallyimpaired people but few can provide dynamicinteractions and adaptability to changes. None ofthese systems work seamlessly both indoors andoutdoors. Drishti uses a precise position measurementsystem, a wireless connection, a wearable computer,and a vocal communication interface to guide blindusers and help them travel in familiar and unfamiliarenvironments independently and safely. Outdoors, ituses DGPS as its location system to keep the user asclose as possible to the central line of sidewalks ofcampus and downtown areas; it provides the user withan optimal route by means of its dynamic routing andrerouting ability. The user can switch the system froman outdoor to an indoor environment with a simplevocal command. An OEM ultrasound positioningsystem is used to provide precise indoor locationmeasurements. Experiments show an in-door accuracyof 22 cm. The user can get vocal prompts to avoidpossible obstacles and step-by-step walking guidanceto move about in an indoor environment. This paperdescribes the Drishti system and focuses on the indoornavigation design and lessons learned in integratingthe indoor with the outdoor system.