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• NavCog3 in the Wild: Large-scale Blind Indoor Navigation Assistant with Semantic Features

  Daisuke Sato, Uran Oh, João Guerreiro, Dragan Ahmetovic, Kakuya Naito, Hironobu Takagi, Kris M. Kitani, Chieko Asakawa · 2019 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents NavCog3, a smartphone-based indoor navigation assistant for people with visual impairments that combines high-accuracy Bluetooth beacon localization with rich semantic environmental features. The system uses off-the-shelf BLE beacons installed in the…

  indoor navigation · visual impairment · blindness · Bluetooth beacons · localization

• Insights on Assistive Orientation and Mobility of People with Visual Impairment Based on Large-Scale Longitudinal Data

  Hernisa Kacorri, Sergio Mascetti, Andrea Gerino, Dragan Ahmetovic, Valeria Alampi, Hironobu Takagi, Chieko Asakawa · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper analyses large-scale longitudinal usage data from iMove, a mobile app supporting outdoor orientation for people with visual impairment (PVI), examining millions of interactions from approximately 15,000 users worldwide over 15 months. This is a departure from the…

  orientation and mobility · visual impairment · large-scale data · longitudinal study · user clustering

• NavCog: A Navigational Cognitive Assistant for the Blind

  Dragan Ahmetovic, Cole Gleason, Chengxiong Ruan, Kris Kitani, Hironobu Takagi, Chieko Asakawa · 2016 · Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI '16)

  This paper introduces NavCog, an iPhone-based turn-by-turn navigation assistant designed to guide blind users through unfamiliar indoor and outdoor environments without requiring expensive infrastructure or structural modifications. The authors argue that while blind travellers…

  blind navigation · indoor navigation · wayfinding · orientation and mobility · assistive technology

• LocalEyes: Accessible GPS and Points of Interest

  Jason Behmer, Stillman Knox · 2010 · Proceedings of the 12th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2010)

  This student research paper presents LocalEyes, an open-source Android application that provides accessible GPS and points-of-interest information for blind and low-vision users. The authors identify that existing accessible GPS devices like the Trekker Talking GPS cost between…

  visual impairment · GPS navigation · mobile accessibility · points of interest · wayfinding

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