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The literature-review database. Every paper Bob has reviewed (he has read many more), with a short summary, key findings, and tags. Browse, filter, search.

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  • Exploration and Avoidance of Surrounding Obstacles for the Visually Impaired

    Limin Zeng, Denise Prescher, Gerhard Weber · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

    This paper presents the 3DOD (3D Obstacle Detector), a wearable system that combines a 3D Time-of-Flight (TOF) camera with a portable multi-line refreshable Braille display to help blind pedestrians detect and avoid obstacles beyond the reach of a white cane. White canes detect…

    blindness · obstacle detection · electronic travel aid · haptic feedback · tactile display

  • Tapulator: A Non-Visual Calculator Using Natural Prefix-Free Codes

    Vaspol Ruamviboonsuk, Shiri Azenkot, Richard E. Ladner · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

    This demonstration paper presents the Tapulator, a non-visual calculator for smartphones that replaces traditional on-screen buttons with a simple gesture-based numeric entry system using multi-finger taps and swipes. The core innovation is a natural prefix-free code for…

    blindness · low vision · touchscreen accessibility · screen reader · gesture input

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