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• Enhancing Android Accessibility for Users with Hand Tremor by Reducing Fine Pointing and Steady Tapping

  Yu Zhong, Astrid Weber, Casey Burkhardt, Phil Weaver, Jeffrey P. Bigham · 2015 · Proceedings of the 12th International Web for All Conference (W4A)

  This paper introduces Touch Guard, a system-wide Android accessibility service developed as a Google intern research project that helps users with hand tremor interact more accurately with touchscreen devices. The core problem addressed is that conventional touchscreen…

  mobile accessibility · touchscreen accessibility · hand tremor · motor impairment · Android

• A Performance Comparison of On-Hand versus On-Phone Nonvisual Input by Blind and Sighted Users

  Uran Oh, Leah Findlater · 2015 · ACM Transactions on Accessible Computing (TACCESS)

  This study investigates whether using one's own hand as an input surface offers performance advantages over touchscreen phones for blind users performing nonvisual interaction. On-body input is particularly attractive for blind users because it provides enhanced tactile and…

  on-body interaction · mobile accessibility · blindness · touchscreen accessibility · gesture input

• RegionSpeak: Quick Comprehensive Spatial Descriptions of Complex Images for Blind Users

  Yu Zhong, Walter S. Lasecki, Erin Brady, Jeffrey P. Bigham · 2015 · Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems (CHI 2015)

  This paper introduces RegionSpeak, a mobile application that helps blind users get comprehensive spatial descriptions of complex visual scenes by combining image stitching with parallelized crowdsourced labeling. The authors identify a gap in existing visual question-answering…

  visual accessibility · crowdsourcing · image description · spatial awareness · blind users

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