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• See-Thru: Towards Minimally Obstructive Eye-Controlled Wheelchair Interfaces

  Corten Clemente Singer, Björn Hartmann · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents See-Thru, an eye-tracking interface for controlling power wheelchairs that replaces the conventional obstructive computer screen with a transparent wire-frame device containing spatially arranged LEDs. The fundamental problem with existing eye-controlled…

  eye tracking · eye-gaze control · power wheelchair · motor disability · assistive technology

• Sidewalk, A Wayfinding Message Syntax for People with a Visual Impairment

  Joey van der Bie, Christina Jaschinski, Somaya Ben Allouch · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This poster paper introduces Sidewalk, a structured wayfinding message syntax designed to improve navigation instructions for people with visual impairments (PVI) using mobile applications. The authors argue that traditional turn-by-turn navigation apps fail PVI because they…

  visual impairment · wayfinding · navigation · natural language · mobile accessibility

• Go That Way: Exploring Supplementary Physical Movements by a Stationary Robot When Providing Navigation Instructions

  Xiang Zhi Tan, Elizabeth J. Carter, Samantha Reig, Aaron Steinfeld · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper explores how stationary kiosk-type robots might provide navigation instructions to blind people by supplementing verbal directions with physical movements. The work is inspired by a technique used by Orientation and Mobility (O&M) experts called Palm Drawing, in which…

  blindness · human-robot interaction · navigation · haptic feedback · orientation and mobility

• Closing the Gap: Designing for the Last-Few-Meters Wayfinding Problem for People with Visual Impairments

  Manaswi Saha, Alexander J. Fiannaca, Melanie Kneisel, Edward Cutrell, Meredith Ringel Morris · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper comprehensively investigates the last-few-meters wayfinding problem — the gap between where GPS navigation ends (within approximately 5 meters of a destination) and where a person with visual impairment actually needs to arrive (the specific door, entrance, or…

  blindness · wayfinding · navigation · GPS · computer vision

• WatchOut: Obstacle Sonification for People with Visual Impairment or Blindness

  Giorgio Presti, Dragan Ahmetovic, Mattia Ducci, Cristian Bernareggi, Luca Ludovico, Adriano Baratè, Federico Avanzini, Sergio Mascetti · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper presents WatchOut, a sonification technique that conveys real-time information about obstacle characteristics to people who are blind or visually impaired (BVI) through non-verbal sound, enabling them to avoid obstacles while walking. The white cane, the primary…

  sonification · obstacle avoidance · blind · low vision · computer vision

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