Literature Reviews

Reviewed research papers, articles, and publications relevant to digital accessibility.

• 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…

  • blind navigation
  • indoor navigation
  • wayfinding
  • orientation and mobility
  • assistive technology
  • mobile accessibility
  • turn-by-turn navigation
  • bluetooth low energy
  • localization
  • points of interest
  • blindness and low vision

• 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 Trek…

  • visual impairment
  • GPS navigation
  • mobile accessibility
  • points of interest
  • wayfinding
  • low vision
  • assistive technology

• 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…

  • orientation and mobility
  • visual impairment
  • large-scale data
  • longitudinal study
  • user clustering
  • mobile navigation
  • points of interest
  • usage analytics
  • residual vision

• 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 beac…

  • indoor navigation
  • visual impairment
  • blindness
  • Bluetooth beacons
  • localization
  • semantic features
  • points of interest
  • turn-by-turn navigation
  • in-the-wild evaluation