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• FootUI: Designing and Detecting Foot Gestures to Assist People with Upper Body Motor Impairments to Use Smartphones on the Bed

  Xiaozhu Hu, Jiting Wang, Weiwei Gao, Yongquan Hu · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents FootUI, a vision-based interaction technique that enables people with upper body motor impairments but sound lower limbs to use smartphones through foot gestures while reclining on a bed. The system uses the phone's front-facing camera, mounted on a phone…

  motor accessibility · foot-based interaction · gesture recognition · smartphone accessibility · computer vision

• Quantifying Touch: New Metrics for Characterizing What Happens During a Touch

  Junhan Kong, Mingyuan Zhong, James Fogarty, Jacob O. Wobbrock · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This paper formalizes 15 target-agnostic metrics for characterizing what happens during a touch interaction on a touchscreen, moving beyond the traditional approach of treating touches as simple (x, y) coordinate events. The key insight is that touches are not atomic — they…

  touch input · motor accessibility · human performance · touch metrics · fine motor function

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