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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

• Ally: Understanding Text Messaging to Build a Better Onscreen Keyboard for Blind People

  Danielle Lottridge, Chris Yoon, Darren Burton, Chester Wang, Jofish Kaye · 2022 · ACM Transactions on Accessible Computing

  This research presents Ally, a smartphone onscreen keyboard designed specifically for blind users who need to enter text messages when voice input or external keyboards are unavailable. The authors recognized that blind smartphone users employ heterogeneous input methods—voice…

  blindness · text entry · mobile accessibility · keyboard design · VoiceOver

• AIGuide: Augmented Reality Hand Guidance in a Visual Prosthetic

  Sooyeon Lee, Chien Wen Yuan, So-yeon Yoon, John M. Carroll · 2022 · ACM Transactions on Accessible Computing

  AIGuide is an iOS smartphone application designed as a "visual prosthetic" to help people with visual impairments locate and physically reach objects in their environment. The app addresses what the authors call the "last meter problem"—while existing object detection apps like…

  augmented reality · visual impairment · object detection · hand guidance · multimodal feedback

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