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• Accessing Passersby Proxemic Signals through a Head-Worn Camera: Opportunities and Limitations for the Blind

  Kyungjun Lee, Daisuke Sato, Saki Asakawa, Chieko Asakawa, Hernisa Kacorri · 2021 · Proceedings of the 23rd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '21)

  This paper explores the potential and limitations of using head-worn cameras with computer vision to help blind people access proxemic signals — the spatial behaviour of nearby people that sighted individuals perceive visually, such as someone's presence, distance, relative…

  blind and low vision · proxemics · wearable camera · smart glasses · pedestrian detection

• LineChaser: A Smartphone-Based Navigation System for Blind People to Stand in Lines

  Masaki Kuribayashi, Seita Kayukawa, Hironobu Takagi, Chieko Asakawa, Shigeo Morishima · 2021 · Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems

  Standing in line is a mundane-looking task — at a cashier, bus stop, or airport check-in — but for a blind person it is a brittle, anxiety-ridden sequence: find where the line currently ends (a position that moves), join it without bumping into anyone, and then shuffle forward…

  line detection · pedestrian detection · orientation and mobility · visual impairment · indoor navigation

• Pedestrian Detection with Wearable Cameras for the Blind: A Two-way Perspective

  Kyungjun Lee, Daisuke Sato, Saki Asakawa, Hernisa Kacorri, Chieko Asakawa · 2020 · Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems

  Wearable cameras — embedded in commercial products like OrCam, Aira, and eSight — promise blind users equitable access to visual information about the people around them: who is approaching, where they are looking, whether eye contact is possible. But the always-on nature of…

  wearable camera · pedestrian detection · social acceptance · face recognition · privacy

• Smartphone-Based Assistance for Blind People to Stand in Lines

  Seita Kayukawa, Hironobu Takagi, João Guerreiro, Shigeo Morishima, Chieko Asakawa · 2020 · Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems (CHI EA '20, Late-Breaking Work)

  This CHI 2020 Late-Breaking Work is the preliminary study that seeded the CHI 2021 LineChaser paper by the same research group. Where the fuller LineChaser system would later combine line-end finding with AR-marker-based localisation and a dual audio/vibration interface, this…

  line standing · pedestrian detection · vibration feedback · visual impairment · orientation and mobility

• BBeep: A Sonic Collision Avoidance System for Blind Travellers and Nearby Pedestrians

  Seita Kayukawa, Keita Higuchi, João Guerreiro, Shigeo Morishima, Yoichi Sato, Kris Kitani, Chieko Asakawa · 2019 · Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems (CHI '19)

  This paper presents BBeep, an assistive suitcase-shaped system designed to help blind travellers navigate crowded public spaces such as international airports, train stations, and shopping malls. The authors argue that existing blind-navigation research has focused largely on…

  blind navigation · obstacle avoidance · collision avoidance · assistive technology · wearable technology

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