Vibrotactile Guidance for Wayfinding of Blind Walkers

IEEE Transactions on Haptics
German FloresEmrah Akin Sisbot

Abstract

We propose a vibrotactile interface in the form of a belt for guiding blind walkers. This interface enables blind walkers to receive haptic directional instructions along complex paths without negatively impacting users' ability to listen and/or perceive the environment the way some auditory directional instructions do. The belt interface was evaluated in a controlled study with 10 blind individuals and compared to the audio guidance. The experiments were videotaped and the participants' behaviors and comments were content analyzed. Completion times and deviations from ideal paths were also collected and statistically analyzed. By triangulating the quantitative and qualitative data, we found that the belt resulted in closer path following to the expense of speed. In general, the participants were positive about the use of vibrotactile belt to provide directional guidance.

References

Oct 26, 2006·International Journal of Audiology·Justin A MacDonaldTomasz R Letowski
Dec 13, 2006·Journal of Experimental Psychology. Applied·Roberta L KlatzkyJack M Loomis
Jan 1, 2010·IEEE Transactions on Haptics·Linda R ElliottMaaike Duistermaat

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Citations

Oct 12, 2017·Disability and Rehabilitation. Assistive Technology·Francesca SorginiCalogero Maria Oddo
Dec 16, 2019·Clinical & Experimental Optometry : Journal of the Australian Optometrical Association·Kuo-Yi Jade ChangLisa Keay
Jan 28, 2020·The Cochrane Database of Systematic Reviews·Ruth Ma van NispenGer Hmb van Rens
May 26, 2020·Somatosensory & Motor Research·İpek Karakuş, Burak Güçlü
Jan 11, 2020·Frontiers in Human Neuroscience·Arnav BharadwajDaniel Goldreich
May 15, 2021·Frontiers in Systems Neuroscience·Timothy R MacaulayJacob J Bloomberg

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