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Technology-assisted white cane: evaluation and future directions.

Izaz Khan1, Shah Khusro1, Irfan Ullah1

  • 1Department of Computer Science, University of Peshawar, Peshawar, Khyber Pakhtunkhwa, Pakistan.

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|December 25, 2018
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Summary
This summary is machine-generated.

This review explores technology-assisted white canes to improve navigation for visually impaired individuals. Smartphones offer a promising avenue for developing user-friendly, low-cost solutions that are portable and reliable.

Keywords:
Assistive technologyBlind & visually impaired peopleSensorsWhite cane

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Area of Science:

  • Assistive Technology
  • Human-Computer Interaction
  • Rehabilitation Engineering

Background:

  • A variety of technology-assisted aids exist to support daily activities for blind and visually impaired individuals.
  • Traditional navigational aids, like the white cane, can be enhanced with modern technology to create more reliable solutions.
  • Existing literature reviews cover technological advancements in navigational aids but lack a specific focus on technology-assisted white canes.

Purpose of the Study:

  • To fill a literature gap by reviewing research on technology-assisted white canes.
  • To identify trends and evaluate existing solutions for enhancing white cane utility.
  • To provide a framework for comparing and assessing state-of-the-art technology-assisted white canes.

Main Methods:

  • A systematic literature search was conducted across major digital libraries and publishers for articles published between 2010 and 2017.
  • Inclusion/exclusion criteria were applied to select relevant research articles, resulting in 36 papers for evaluation.
  • The review included research on commercially available aids, even those published outside the specified date range.

Main Results:

  • Research is increasingly focused on developing technology-assisted white cane solutions for both indoor and outdoor navigation.
  • Leveraging smartphones presents a significant opportunity for creating low-cost, user-friendly navigation solutions.
  • A theoretical evaluation framework was developed to compare solutions, identify trends, and suggest future research directions.

Conclusions:

  • Enhancing white cane utility with technology requires user-centric designs that are portable, reliable, trustworthy, lightweight, cost-effective, and require minimal training.
  • Ergonomics and social acceptance are crucial considerations for successful technology-assisted white cane development.
  • Smartphones should be exploited for their capabilities to create smarter and more reliable technology-assisted white canes.