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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

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Comprehensive Review: High-Performance Positioning Systems for Navigation and Wayfinding for Visually Impaired

Jean Marc Feghali^1,2, Cheng Feng¹, Arnab Majumdar¹

¹Department of Civil and Environmental Engineering, Imperial College London, Skempton Building, South Kensington, London SW7 2BU, UK.

Sensors (Basel, Switzerland)

|November 9, 2024

Summary

This summary is machine-generated.

Visually impaired people (VIPs) need better navigation systems due to limitations in current technology. This review identifies gaps and recommends advancements for improved mobility and societal integration.

Keywords:

PNT mobility navigation positioning visually impaired wayfinding

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Area of Science:

Assistive Technology
Human-Computer Interaction
Mobility Aids

Background:

Growing global population of visually impaired people (VIPs) necessitates advanced navigation solutions.
Current VIP navigation systems lack accuracy, integrity, and availability in complex environments (indoor, outdoor, urban).
Research silos between medical and engineering disciplines hinder access to user requirements for technology developers.

Purpose of the Study:

To conduct a comprehensive review of visually impaired (VI) navigation systems.
To identify research gaps and provide recommendations for enhancing VIP mobility.
To address the limitations of current technologies in diverse and complex environments.

Main Methods:

Review of global VI classifications and international/regional navigation standards.
Analysis of fundamental VIP requirements and user behavior experimentation.
Evaluation of state-of-the-art positioning systems and challenges during exceptional circumstances (e.g., COVID-19).

Main Results:

Identified limitations in positioning capabilities and transition area investigations for current VIP navigation systems.
Highlighted the need for interdisciplinary collaboration to integrate user requirements into technological development.
Pinpointed specific research gaps in VIP navigation and wayfinding technologies.

Conclusions:

Current navigation systems are insufficient for the needs of the visually impaired population.
Advancements in positioning systems and interdisciplinary research are crucial for improving VIP mobility.
Recommendations provided aim to enhance daily activities and promote societal integration for VIPs.