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• Understanding the Touchscreen-based Nonvisual Target Acquisition Task Performance of Screen Reader Users

  Hwayeon Joh, Yun Jung Lee, Uran Oh · 2022 · Proceedings of the 19th International Web for All Conference (W4A 2022)

  This study investigates how screen reader users find and select targets on a smartphone touchscreen without visual cues, examining the effects of screen size, target size, and the ratio between them. Twelve participants with visual impairments (three totally blind, three with…

  touchscreen · screen readers · target acquisition · mobile accessibility · visual impairment

• Where Are You Taking Me? Reflections from Observing Ridesharing Use By People with Visual Impairments

  Earl W. Huff Jr., Robin N. Brewer, Julian Brinkley · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents a methodological case study of conducting quasi-naturalistic observations of 17 blind or visually impaired participants using the Uber ridesharing service. Rather than reporting substantive findings about ridesharing accessibility (which are reserved for a…

  visual impairment · ridesharing · transportation accessibility · observation study · mobile accessibility

• Designing Gestures for Digital Musical Instruments: Gesture Elicitation Study with Deaf and Hard of Hearing People

  Ryo Iijima, Akihisa Shitara, Yoichi Ochiai · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This study addresses a gap in how deaf and hard of hearing (DHH) people can enjoy playing musical instruments using smartphones. While DHH people can and do enjoy music — often sensing it through vibrations transmitted by instruments or through body movements while performing —…

  deaf and hard of hearing · music accessibility · gesture elicitation · digital musical instruments · haptic feedback

• Blind Users Accessing Their Training Images in Teachable Object Recognizers

  Jonggi Hong, Jaina Gandhi, Ernest Essuah Mensah, Farnaz Zamiri Azar, Kyungjun Lee, Hernisa Kacorri · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This paper introduces MYCam, an open-source iOS testbed application designed to help blind users build and improve personalized object recognizers. While teachable object recognizers allow users to train custom models by taking photos of objects they want to recognize, blind…

  teachable AI · object recognition · blind users · machine learning · camera interaction

• "I Used To Carry A Wallet, Now I Just Need To Carry My Phone": Understanding Current Banking Practices and Challenges Among Older Adults in China

  Xiaofu Jin, Mingming Fan · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This paper investigates how older adults in China navigate the rapidly shifting landscape from physical to digital banking, examining their practices, motivations for learning, and the challenges they encounter. China provides a particularly compelling context: it has the…

  older adults · digital banking · mobile accessibility · digital equity · financial accessibility

• Lessons Learned from Designing, Deploying and Testing an Accessible BLE Beacon-based Wayfinding System in a Multi-Floor Indoor Environment

  Ajay Abraham · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This paper documents the practical guidelines and design decisions involved in deploying a Bluetooth Low Energy (BLE) beacon-based indoor wayfinding system in a three-story college campus building. The system builds on GuideBeacon, a previously developed proximity-based indoor…

  indoor navigation · wayfinding · BLE beacon · blind and low vision · mobile accessibility

• Automatically Generating and Improving Voice Command Interface from Operation Sequences on Smartphones

  Lihang Pan, Chun Yu, JiaHui Li, Tian Huang, Xiaojun Bi, Yuanchun Shi · 2022 · Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems

  This paper presents AutoVCI, a system that automatically generates voice command interfaces (VCIs) for smartphone tasks from recorded touch operation sequences, enabling hands-free and eyes-free interaction without requiring programming expertise, corpora, or hand-written rules.…

  voice command interface · mobile accessibility · speech recognition · natural language understanding · programming by demonstration

• 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

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