Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
69 results found tagged indoor navigation.
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CaBot: Designing and Evaluating an Autonomous Navigation Robot for Blind People
This paper presents CaBot (Carry-on roBot), an autonomous suitcase-shaped navigation robot designed to guide blind people to destinations in unfamiliar indoor environments while avoiding obstacles. Unlike smartphone navigation apps that provide turn-…
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Leveraging Augmented Reality to Create Apps for People with Visual Disabilities: A Case Study in Indoor Navigation
This paper presents Clew, an iOS app that leverages Apple’s ARKit augmented reality framework to help people who are blind or visually impaired (B/VI) navigate indoor environments — a setting where GPS is unreliable (accuracy drops to ~5m+ indoors). …
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Go That Way: Exploring Supplementary Physical Movements by a Stationary Robot When Providing Navigation Instructions
This paper explores how stationary kiosk-type robots might provide navigation instructions to blind people by supplementing verbal directions with physical movements. The work is inspired by a technique used by Orientation and Mobility (O&M) experts …
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Jido: A Conversational Tactile Map for Blind People
This demonstration paper presents Jido, a system that combines a touch-sensitive tactile map with a voice-based conversational agent to help blind people understand and navigate indoor environments. The tactile map is constructed from laser-cut acryl…
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An Independent and Interactive Museum Experience for Blind People
This paper presents a prototype system for supporting independent, interactive museum visits by blind people, deployed and evaluated at The Andy Warhol Museum in Pittsburgh. The system combines indoor navigation with context-aware art appreciation th…
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GuideCall: Affordable and Trustworthy Video Call-Based Remote Assistance for People with Visual Impairments
This demonstration paper presents GuideCall, a free Android application that enables blind or visually impaired (BVI) individuals to get remote visual assistance through video calls with trusted personal contacts. The system addresses two key limitat…
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SafeExit4All: An Inclusive Indoor Emergency Evacuation System for People With Disabilities
This paper presents SafeExit4All, a smartphone-based emergency evacuation system designed to help people with disabilities independently find safe exits from indoor spaces during emergencies such as fires, tornadoes, and active shooter situations. Th…
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Travelling more independently: A Requirements Analysis for Accessible Journeys to Unknown Buildings for People with Visual Impairments
This paper presents a comprehensive survey with 106 people with visual impairments (63 blind, 43 low vision; ages 8-77, mean 46; predominantly German) examining how they plan and carry out journeys to unknown buildings. Unlike previous studies that f…
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Indoor Localization for Visually Impaired Travelers Using Computer Vision on a Smartphone
This paper presents a computer vision-based indoor localization system that runs as a real-time app on a conventional iPhone, designed to help blind and visually impaired travelers navigate indoor spaces where GPS is unavailable. The system combines …
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Lessons Learned from Designing, Deploying and Testing an Accessible BLE Beacon-based Wayfinding System in a Multi-Floor Indoor Environment
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…