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• Game Changer: Accessible Audio and Tactile Guidance for Board and Card Games

  Gabriella M. Johnson, Shaun K. Kane · 2020 · Proceedings of the 17th International Web for All Conference (W4A)

  This paper presents Game Changer, an augmented workspace system that makes board and card games accessible to blind and visually impaired (BVI) players through a combination of audio descriptions and tactile modifications. The system uses an overhead webcam to track ArUco…

  game accessibility · blind and low vision · board games · tangible interaction · audio description

• ThermalCane: Exploring Thermotactile Directional Cues on Cane-Grip for Non-Visual Navigation

  Arshad Nasser, Kai-Ning Keng, Kening Zhu · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper presents ThermalCane, a white-cane grip augmented with flexible Peltier thermoelectric modules that provide thermal directional cues for blind and visually impaired (BVI) navigation. While existing haptic navigation aids primarily use vibrotactile feedback (vibration…

  visual accessibility · navigation · haptic technology · white cane · assistive technology

• "I can't name it, but I can perceive it" Conceptual and Operational Design of "Tactile Accuracy" Assisting Tactile Image Cognition

  Jiangtao Gong, Wenyuan Yu, Long Ni, Yang Jiao, Ye Liu, Xiaolan Fu, Yingqing Xu · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper introduces "tactile accuracy," a new evaluation criterion for measuring how well blind people recognize objects in raised-line tactile images, replacing the conventional "naming accuracy" borrowed from visual image recognition research. The fundamental problem is that…

  visual accessibility · tactile graphics · blindness and low vision · tactile accessibility · cognition

• Travelling more independently: A Requirements Analysis for Accessible Journeys to Unknown Buildings for People with Visual Impairments

  Christin Engel, Karin Müller, Angela Constantinescu, Claudia Loitsch, Vanessa Petrausch, Gerhard Weber, Rainer Stiefelhagen · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper presents a comprehensive survey with 106 people with visual impairments (63 blind, 43 low vision; ages 8-77, mean 46; predominantly German) examining how they plan and carry out journeys to unknown buildings. Unlike previous studies that focused on isolated aspects of…

  visual accessibility · blindness and low vision · indoor navigation · wayfinding · orientation and mobility

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