Literature Reviews

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

• Lessons Learned from Designing, Deploying and Testing an Accessible BLE Beacon-based Wayfinding System in a Multi-Floor Indoor Environment

  Ajay Abraham (2022) — Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This paper documents the practical guidelines and design decisions involved in deploying a Bluetooth Low Energy (BLE) beacon-based indoor wayfinding system in a three-story college campus building. The system builds on GuideBeacon, a previously devel…

  • indoor navigation
  • wayfinding
  • BLE beacon
  • blind and low vision
  • mobile accessibility
  • localization
  • wheelchair accessibility
  • assistive technology

• Experiments with RouteNav, A Wayfinding App for Blind Travelers in a Transit Hub

  Peng Ren, Jonathan Lam, Roberto Manduchi, Fatemeh Mirzaei (2023) — Proceedings of the 25th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '23)

  This paper presents RouteNav, an iOS wayfinding app designed to help blind travelers navigate indoor/outdoor transit hubs without requiring any external infrastructure such as Bluetooth Low Energy (BLE) beacons or Wi-Fi fingerprinting. The system ach…

  • wayfinding
  • indoor navigation
  • blind and low vision
  • transit accessibility
  • mobile application
  • localization
  • dead reckoning
  • particle filtering

• 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