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Updated: Jan 21, 2026
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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
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Navigation Systems for the Blind and Visually Impaired: Past Work, Challenges, and Open Problems
Santiago Real1, Alvaro Araujo2
1B105 Electronic Systems Lab, ETSI Telecomunicación, Universidad Politécnica de Madrid Avenida Complutense 30, 28040 Madrid, Spain. sreal@b105.upm.es.
Sensors (Basel, Switzerland)
|August 7, 2019
Summary
Developing navigation aids for the visually impaired remains challenging. This review explores historical solutions and future technologies like smartphone-based computer vision for enhanced mobility and environmental awareness.
Area of Science:
- Computer Science
- Human-Computer Interaction
- Assistive Technology
Background:
- Navigation for the visually impaired presents persistent challenges across indoor and outdoor environments.
- Historical development spans early Electronic Travel Aids (ETAs), sensory substitution, and positioning systems to current artificial vision approaches.
Purpose of the Study:
- To provide a comprehensive, updated overview of research in navigation devices for the blind.
- To guide developers by highlighting the multidisciplinary nature of this field and user-centered design principles.
Main Methods:
- Historical analysis of previous navigation solutions and their criticisms.
- Review of technological advancements, focusing on computer vision and artificial intelligence.
Main Results:
- Identified limitations in prior navigation systems through a user-centered design lens.
- Highlighted the potential of smartphones and wearables with integrated cameras for advanced navigation.
Conclusions:
- Future navigation systems can leverage smartphone/wearable cameras with computer vision for real-time positioning and environmental monitoring.
- Integration with cloud computing and remote sensing offers further enhancements for assistive navigation technologies.
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