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• How Context and User Behavior Affect Indoor Navigation Assistance for Blind People

  João Guerreiro, Eshed Ohn-Bar, Dragan Ahmetovic, Kris Kitani, Chieko Asakawa · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper presents a fine-grained thematic analysis of user behaviour during indoor assisted navigation to understand when and why navigation errors occur even when the underlying localisation system is accurate. The research uses NavCog, a smartphone-based indoor…

  indoor navigation · blind · orientation and mobility · guide dog · white cane

• Turn Right: Analysis of Rotation Errors in Turn-by-Turn Navigation for Individuals with Visual Impairments

  Dragan Ahmetovic, Uran Oh, Sergio Mascetti, Chieko Asakawa · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18)

  This paper examines a frequently overlooked problem in navigation assistance for blind and visually impaired (BVI) people: how accurately users execute rotation instructions during turn-by-turn guidance. While much research has focused on improving localization accuracy (knowing…

  navigation · blindness · orientation and mobility · indoor navigation · assistive technology

• Crowdsourcing the Installation and Maintenance of Indoor Localization Infrastructure to Support Blind Navigation

  Cole Gleason, Dragan Ahmetovic, Saiph Savage, Carlos Toxtli, Carl Posthuma, Chieko Asakawa, Kris M. Kitani, Jeffrey P. Bigham · 2018 · Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)

  This paper introduces LuzDeploy, a physical crowdsourcing system that coordinates non-expert volunteers to install and maintain Bluetooth Low Energy (BLE) beacon infrastructure for indoor navigation systems used by blind people. The central problem is that indoor navigation…

  indoor navigation · crowdsourcing · Bluetooth beacons · blind users · wayfinding

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