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Technological Opportunity Analysis: Assistive Technology for Blind and Visually Impaired People

Author

Listed:
  • Jumi Hwang

    (Department of Industrial Management Engineering, Korea University, Seoul 02841, Korea)

  • Kyung Hee Kim

    (New Transportation Innovation Research Center, Korea Railroad Research Institute, Gyeonggi 16105, Korea)

  • Jong Gyu Hwang

    (New Transportation Innovation Research Center, Korea Railroad Research Institute, Gyeonggi 16105, Korea)

  • Sungchan Jun

    (Department of Industrial Management Engineering, Korea University, Seoul 02841, Korea)

  • Jiwon Yu

    (Department of Industrial Management Engineering, Korea University, Seoul 02841, Korea)

  • Chulung Lee

    (Department of Industrial Management Engineering, Korea University, Seoul 02841, Korea)

Abstract

As life expectancy increases, the number of people who suffer from blind and visual impairment due to presbyopia is gradually increasing. Assistive device systems have been used to overcome various physical, social, infrastructure, and accessibility barriers. As technology has advanced, the scope of assistive technologies has been expanded. Therefore, we explored technological opportunities in assistive technology for the blind and visually impaired to establish a strategy for the technology competition in the near future. Firstly, the patent vacuum is detected by generating the patent map based on generative topographic mapping (GTM). Secondly, social network analysis is applied to identify the relationship between patent vacuums and occupied grid points in the patent map. Finally, the technology activity index and technology impact index are considered at quantitative and qualitative levels. Consequently, it was identified that wearable devices, including the road situation signal acquisition module and data acquisition process control module, could be occupied in the future. This study can provide practical ideas for research and development (R&D) in the field of assistive devices for the blind and visually impaired. In addition, this study can be an ample source for decision/policy makers to project new contents.

Suggested Citation

  • Jumi Hwang & Kyung Hee Kim & Jong Gyu Hwang & Sungchan Jun & Jiwon Yu & Chulung Lee, 2020. "Technological Opportunity Analysis: Assistive Technology for Blind and Visually Impaired People," Sustainability, MDPI, vol. 12(20), pages 1-17, October.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:20:p:8689-:d:431634
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    References listed on IDEAS

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    Cited by:

    1. Alina Betlej & Jan Gondek & Natalia Gondek, 2023. "Ageing and Keeping Pace with Technology: A Grounded Theory Study on Blind Adults’ Experiences of Adapting to New Technologies," IJERPH, MDPI, vol. 20(3), pages 1-19, January.
    2. Eunsuk Chun & Sungchan Jun & Chulung Lee, 2021. "Identification of Promising Smart Farm Technologies and Development of Technology Roadmap Using Patent Map Analysis," Sustainability, MDPI, vol. 13(19), pages 1-22, September.

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