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• Mind Your Crossings: Mining GIS Imagery for Crosswalk Localization

  Dragan Ahmetovic, Roberto Manduchi, James M. Coughlan, Sergio Mascetti · 2017 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents a computer vision system for automatically detecting and localizing zebra crosswalks in urban environments by mining existing geospatial image databases, specifically Google satellite imagery and Google Street View. The motivation is that blind pedestrians…

  visual impairment · orientation and mobility · computer vision · navigation · crowdsourcing

• Sensory Glasses for the Visually Impaired

  Michael Barney, Jonathan Kilner, Gilmar Brito, Aida Araújo, Meuse Nogueira · 2017 · Proceedings of the 14th International Web for All Conference (W4A)

  This demonstration paper presents the design and development of a low-cost wearable assistive device — sensory glasses — intended to help visually impaired people navigate their surroundings. The device addresses a well-known limitation of the traditional white cane: it cannot…

  assistive technology · blindness · wearable technology · sonification · navigation

• "Is Someone There? Do They Have a Gun": How Visual Information about Others Can Improve Personal Safety Management for Blind Individuals

  Stacy M. Branham, Ali Abdolrahmani, William Easley, Morgan Scheuerman, Erick Ronquillo, Amy Hurst · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '17)

  This paper investigates an underexplored dimension of accessibility for people who are blind: the need for visual information about other people to manage personal physical safety. While decades of assistive technology research have focused on helping blind individuals navigate…

  blindness · personal safety · facial recognition · assistive technology · navigation

• DroneNavigator: Using Leashed and Free-Floating Quadcopters to Navigate Visually Impaired Travelers

  Mauro Avila Soto, Markus Funk, Matthias Hoppe, Robin Boldt, Katrin Wolf, Niels Henze · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '17)

  This paper explores an unconventional approach to navigation assistance for visually impaired travelers: using small, lightweight quadcopters as mobile sound and haptic sources to guide users through indoor environments. While existing navigation systems deliver directional…

  navigation · blindness · drones · assistive technology · haptic technology

• Virtual Navigation for Blind People: Building Sequential Representations of the Real-World

  João Guerreiro, Dragan Ahmetovic, Kris M. Kitani, Chieko Asakawa · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '17)

  This paper investigates whether blind people can build accurate mental representations of real-world routes by virtually navigating them on a smartphone before physically visiting the location. Sighted people routinely study maps before visiting new places, building a sequential…

  blindness · navigation · cognitive mapping · virtual navigation · orientation and mobility

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