Reviews

Search results

• Empowering Accessible Gesture Input Design with Gesture-A11Y

  Mihail Terenti, Laura-Bianca Bilius, Ovidiu-Ciprian Ungurean, Radu-Daniel Vatavu · 2025 · Proceedings of the 22nd International Web for All Conference (W4A)

  This paper from Stefan cel Mare University of Suceava (Romania) introduces Gesture-A11Y, the first open-access web-based tool and database for accessible gesture input design, containing over 22,000 gesture records collected from 122 users with visual and/or motor impairments.…

  gesture interaction · motor accessibility · visual impairment · mobile accessibility · wearable technology

• A Usability Study of Nomon: A Flexible Interface for Single-Switch Users

  Nicholas Bonaker, Emli-Mari Nel, Keith Vertanen, Tamara Broderick · 2023 · Proceedings of the 25th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2023)

  This paper presents the first usability study of Nomon — an alternative single-switch interface — with actual motor-impaired users, comparing it against the widely used row-column scanning (RCS) method. Single-switch interfaces are essential communication tools for people with…

  single switch · augmentative and alternative communication · motor impairment · text entry · scanning

• 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

• Freedom to Choose: Understanding Input Modality Preferences of People with Upper-body Motor Impairments for Activities of Daily Living

  Franklin Mingzhe Li, Michael Xieyang Liu, Yang Zhang, Patrick Carrington · 2022 · Proceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '22)

  This paper investigates how people with upper-body motor impairments currently perform Activities of Daily Living (ADLs) and what input modalities they would prefer for technology-assisted independence. ADLs encompass basic tasks like bathing, dressing, grooming, toileting, and…

  motor impairment · multimodal input · activities of daily living · assistive technology · personal care assistants

• Eyelid Gestures on Mobile Devices for People with Motor Impairments

  Mingming Fan, Zhen Li, Franklin Mingzhe Li · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper presents a novel approach to mobile device interaction for people with severe motor impairments: using eyelid gestures detected by the smartphone's front-facing camera. While existing eye-based interaction research has primarily focused on gaze direction and simple…

  motor accessibility · mobile accessibility · input methods · gesture interaction · eye tracking

• The Reliability of Fitts's Law as a Movement Model for People with and without Limited Fine Motor Function

  Ather Sharif, Victoria Pao, Katharina Reinecke, Jacob O. Wobbrock · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper investigates a foundational assumption in HCI and assistive technology research: that Fitts's law reliably measures pointing performance. Fitts's law, introduced in 1954, models the relationship between the time to complete a pointing movement and the difficulty of…

  motor accessibility · input methods · research methods · pointing devices · assistive technology

• "I just went into it assuming that I wouldn't be able to have the full experience": Understanding the Accessibility of Virtual Reality for People with Limited Mobility

  Martez Mott, John Tang, Shaun Kane, Edward Cutrell, Meredith Ringel Morris · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper presents the first in-depth investigation of VR accessibility for people with limited mobility, a population largely overlooked in VR research that has focused primarily on rehabilitation applications rather than mainstream consumer VR use. Through semi-structured…

  virtual reality · motor accessibility · physical disability · ability assumptions · inclusive design

• Demonstration of GestureCalc: An Eyes-Free Calculator for Touch Screens

  Leah Perlmutter, Bindita Chaudhuri, Justin Petelka, Philip Garrison, James Fogarty, Jacob O. Wobbrock, Richard E. Ladner · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This demonstration paper presents GestureCalc, an eyes-free, target-less digital calculator for touch screen devices that replaces traditional button-based input with intuitive gesture-based input. The core problem is that existing calculator apps require precise tapping on…

  gesture-based interaction · touchscreen accessibility · blindness · visual impairment · screen reader

• GestureCalc: An Eyes-Free Calculator for Touch Screens

  Bindita Chaudhuri, Leah Perlmutter, Justin Petelka, Philip Garrison, James Fogarty, Jacob O. Wobbrock, Richard E. Ladner · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This full research paper presents GestureCalc, an eyes-free, target-less gesture-based calculator for touch screens, along with a rigorous three-session longitudinal evaluation with eight screen reader users. The system replaces the spatial button layout of conventional…

  gesture-based interaction · touchscreen accessibility · blindness · visual impairment · screen reader

• Why Is Gesture Typing Promising for Older Adults? Comparing Gesture and Tap Typing Behavior of Older with Young Adults

  Yu-Hao Lin, Suwen Zhu, Yu-Jung Ko, Wenzhe Cui, Xiaojun Bi · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

  This study from Stony Brook University investigates whether gesture typing (gliding a finger continuously across keys to spell words) is a viable alternative to traditional tap typing for older adults on smartphones. Text entry is one of the most significant barriers older…

  older adults · text entry · gesture typing · touchscreen accessibility · mobile accessibility

• Exploring an Ambiguous Technique for Eyes-Free Mobile Text Entry

  Dylan Gaines · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2018)

  This student research competition paper from Michigan Technological University presents Tap123, an ambiguous eyes-free keyboard for mobile text entry that does not require users to tap specific keys. The system is motivated by the limitations of existing blind text entry…

  blindness · low vision · text entry · mobile accessibility · eyes-free interaction

• Predictive Link Following Plug-In For Web Browsers

  Lyle Pierson Stachecki, John Magee · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This demonstration paper presents the first public release of a target-aware pointing assistance plug-in for web browsers that uses Predictive Link Following to help people with motor impairments select links on web pages. Web browsing is challenging for users of mouse…

  motor accessibility · web accessibility · mouse replacement interface · eye tracking · assistive technology

• Development and Theoretical Evaluation of Optimized Phonemic Interfaces

  Gabriel J. Cler, Cara E. Stepp · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '17)

  This paper presents the development and computational evaluation of optimized phonemic communication interfaces for augmentative and alternative communication (AAC) users. Unlike traditional letter-based (orthographic) interfaces like QWERTY keyboards, phonemic interfaces allow…

  augmentative and alternative communication · motor disability · input methods · interface design · speech synthesis

• OnScreenDualScribe with Point-and-Click Interface: A Viable Computer Interaction Alternative based on a Virtual Modified Numerical Keypad

  Kavita Krishnaswamy, Patricia Ordóñez, Phillip Beckerle, Stephan Rinderknecht, Torsten Felzer · 2016 · Proceedings of the 18th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '16)

  This paper presents a first-person evaluation of the OnScreenDualScribe (OSDS) Point-and-Click Interface, a virtual keyboard designed for people who cannot use a standard keyboard or mouse effectively. The first author, who has Spinal Muscular Atrophy (SMA), can only interact…

  text entry · motor disability · virtual keyboard · assistive technology · word prediction

• Design of and Subjective Response to On-body Input for People with Visual Impairments

  Uran Oh, Leah Findlater · 2014 · Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS)

  This paper investigates on-body input — using the skin as an input surface — as an alternative or complement to touchscreen interaction for people with visual impairments. Since blind users do not need the visual display of a mobile device, on-body input offers potential…

  mobile accessibility · on-body interaction · gesture interaction · blindness · wearable technology

• KeyGlasses: Semi-transparent Keys on Soft Keyboard

  Mathieu Raynal · 2014 · Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS)

  This paper presents KeyGlass, a text entry system designed to reduce pointer travel distance on soft (on-screen) keyboards by dynamically adding predicted character keys near the most recently typed character. Standard soft keyboards use QWERTY or AZERTY layouts familiar from…

  text entry · soft keyboard · character prediction · motor accessibility · input methods

• Move&Flick: Design and Evaluation of a Single-Finger and Eyes-Free Kana-Character Entry Method on Touch Screens

  Ryosuke Aoki, Ryo Hashimoto, Akihiro Miyata, Shunichi Seko, Masahiro Watanabe, Masayuki Ihara · 2014 · Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS '14)

  This demonstration paper presents Move&Flick, a Japanese Kana-character text entry method designed for visually impaired users on touchscreen devices. Standard touchscreen text entry for visually impaired people is burdensome: users must explore the screen to find software keys…

  text entry · touchscreen accessibility · visual impairment · mobile accessibility · gesture interaction

• Elderly Text-Entry Performance on Touchscreens

  Hugo Nicolau, Joaquim Jorge · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '12)

  This paper presents an empirical study of how elderly users perform text-entry tasks on touchscreen devices, examining both mobile phones and tablets. Fifteen participants aged 67 to 89 (mean 79) were asked to copy sentences on an HTC Desire smartphone and an ASUS Transformer…

  touchscreen accessibility · text entry · aging · motor accessibility · tremor

• TypeInBraille: A Braille-Based Typing Application for Touchscreen Devices

  Sergio Mascetti, Cristian Bernareggi, Matteo Belotti · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This demonstration paper presents TypeInBraille, a novel text entry application for touchscreen smartphones that allows blind users to type using Braille code rather than the standard on-screen QWERTY keyboard. While screen readers like VoiceOver have made smartphones broadly…

  blindness and low vision · braille · text entry · touchscreen accessibility · mobile accessibility

• Blind People and Mobile Touch-based Text-Entry: Acknowledging the Need for Different Flavors

  João Oliveira, Tiago Guerreiro, Hugo Nicolau, Joaquim Jorge, Daniel Gonçalves · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper investigates how individual differences among blind people affect their performance with different touchscreen text-entry methods. Thirteen blind participants (ages 24-62) were evaluated using four methods on a Samsung Galaxy S: QWERTY (standard VoiceOver-style…

  blindness and low vision · text entry · touchscreen accessibility · mobile accessibility · ability-based design

• A Simple Solution: Solution Migration from Disabled to Small Device Context

  Yeliz Yesilada, Tianyi Chen, Simon Harper · 2010 · Proceedings of the 2010 International Cross Disciplinary Conference on Web Accessibility (W4A)

  This paper demonstrates how accessibility solutions developed for motor-impaired desktop users can be migrated to benefit small-device (mobile) users who experience similar input difficulties. The authors had previously replicated a study originally investigating input…

  motor accessibility · mobile accessibility · input methods · situational impairment · error correction

• The One-Key Challenge: Searching for a Fast One-Key Text Entry Method

  I. Scott MacKenzie · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper presents SAK (Scanning Ambiguous Keyboard), a novel one-key text entry method designed for people who can only operate a single switch input. The design combines two established techniques — scanning keyboards (where items are highlighted sequentially and selected…

  text entry · switch access · scanning keyboard · ambiguous keyboard · motor disability

• Input to the Mobile Web is Situationally-Impaired

  Tianyi Chen · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This paper investigates the overlap between input problems experienced by mobile web users and those faced by disabled desktop users, particularly people with motor impairments. The author argues that these two domains are typically studied in isolation despite sharing…

  mobile accessibility · situational impairment · motor disability · input methods · web accessibility

• Hover or Tap? Supporting Pen-based Menu Navigation for Older Adults

  Karyn Moffatt, Sandra Yuen, Joanna McGrenere · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This paper investigates "drifting" — an error specific to pen-based (Tablet PC) interaction where users accidentally hover over an adjacent menu head, causing their intended menu to close and the wrong one to open. This occurs because inductive pen technology tracks the pen…

  aging · input methods · touchscreen accessibility · inclusive design · user interface design

• Understanding Pointing Problems in Real World Computing Environments

  Amy Hurst, Jennifer Mankoff, Scott E. Hudson · 2008 · Proceedings of the 10th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '08)

  This paper develops techniques for collecting and analysing pointing performance data during real-world computer use, rather than solely in laboratory settings, to understand how pointing behaviour varies over time for individuals with motor impairments. Two computers were…

  motor disability · pointing · input methods · assistive technology · cerebral palsy