A Contactless Walking Stick Using a Depth Sensor and Vibrators

  • Dai KudoEmail author
  • Munehiro Takimoto
  • Yasushi Kambayashi
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 876)


Most of visually impaired people use a white walking stick. It extends a touchable region to an extent that may include some obstacles, and then helps them to walk. The wider the touchable region is, the better it seems to be. However, a too long stick is inconvenient in terms of portability. Also the user is liable to hit someone with it. Thus, the touchable region is limited to the periphery of the user, even if he uses a stick. We propose a contactless walking stick system that can be used in place of a white walking stick. Our system consists of a short stick, which has a color ball at its head and vibrators at its three sides, and a depth sensor mounted at a user’s forehead. The depth sensor continuously observes an area on the floor to which the user with the color ball, and once an obstacle appears in the area, the stick informs the existence of the obstacle through vibration in the side of it. In order to demonstrate the effectiveness of our system, we have conducted experiments. As a result, we have observed that the number of collision can be decreased by 85% in average, although consumed time increases by 45% in average.


White walking stick Depth sensor Vibrator User interface Human computer interaction 


  1. 1.
    Yamaguchi, S., Takizawa, H., Aoyagi, M., Ezaki, N., Mizuno, S.: Recognition of upward stairs using a Kinect cane and its performance evaluation. In: IPSJ Interaction 2013, pp. 746–749 (2013)Google Scholar
  2. 2.
    Zöllner, M., Huber, S., Jetter, H.C., Reiterer, H.: NAVI – a proof-of-concept of a mobile navigational aid for visually impaired based on the microsoft kinect. In: LNCS, vol. 6949, pp. 584–587 (2011)Google Scholar
  3. 3.
    Yamaguchi, S., Takizawa, H., Ezaki, N., Mizuno, S.: Supporting system for visually disabled persons using Kinect white cane. In: ITE Winter Annual Convention (2011)Google Scholar
  4. 4.
    Yamaguchi, S., Takizawa, H., Aoyagi, M., Ezaki, N., Mizuno, S.: Kinect cane: object recognition aids for the visually impaired. In: HSI 2013, pp. 473–478 (2013)Google Scholar
  5. 5.
    Yamaguchi, S., Takizawa, H., Aoyagi, M., Ezaki, N., Mizuno, S.: Kinect cane: an assistive system for the visually impaired based on three-dimensional object recognition. In: IEEE/SICE International Symposium on System Integration (SII), pp. 740–745 (2012)Google Scholar

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Dai Kudo
    • 1
    Email author
  • Munehiro Takimoto
    • 1
  • Yasushi Kambayashi
    • 2
  1. 1.Department of Information SciencesTokyo University of ScienceNodaJapan
  2. 2.Department of Computer and Information EngineeringNippon Institute of TechnologySaitamaJapan

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