Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
249 results found tagged mobile accessibility.
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Analyzing Visual Questions from Visually Impaired Users
This doctoral consortium paper presents an analysis of the types of visual questions that visually impaired users ask through VizWiz, a mobile phone application that provides near-realtime answers to visual questions. VizWiz allows users to take a ph…
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StopFinder: Improving the Experience of Blind Public Transit Riders with Crowdsourcing
This doctoral consortium paper presents StopFinder, a mobile system that uses crowdsourcing to collect and provide information about non-visual landmarks around bus stops for blind public transit riders. The research addresses a fundamental challenge…
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Evaluating Quality and Comprehension of Real-Time Sign Language Video on Mobile Phones
This paper investigates the relationship between objective video quality metrics (PSNR — peak signal-to-noise ratio), subjective quality preferences, and actual comprehension of American Sign Language (ASL) video transmitted at very low bitrates on m…
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An Integrated System for Blind Day-to-Day Life Autonomy
This demonstration paper presents nav4b, an integrated system designed to support the day-to-day autonomy of blind people by combining indoor/outdoor navigation guidance with object recognition in a single platform. Unlike existing solutions that req…
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Exploring Iconographic Interface in Emergency for Deaf
This demonstration paper presents a mobile phone application that enables deaf people to communicate with emergency medical services using an iconographic touchscreen interface rather than voice calls. In Portugal at the time of publication, deaf peo…
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Tapulator: A Non-Visual Calculator Using Natural Prefix-Free Codes
This demonstration paper presents the Tapulator, a non-visual calculator for smartphones that replaces traditional on-screen buttons with a simple gesture-based numeric entry system using multi-finger taps and swipes. The core innovation is a natural…
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Elderly Text-Entry Performance on Touchscreens
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 smartpho…
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Designing for Individuals: Usable Touch-Screen Interaction through Shared User Models
This paper introduces the Shared User Modelling (SUM) Framework, a system that collects touch interaction data during normal application use to build a user model that can be shared across multiple applications and devices via web services. Unlike tr…
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Breath Mobile: A Software-Based Hands-Free and Voice-Free Breathing Controlled Mobile Phone Interface
This short paper proposes Breath Mobile, a software-only breathing interface for mobile phones that uses the device's built-in microphone to detect puffing patterns and translate them into navigation and selection events. Unlike traditional sip-and-p…
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Physical Accessibility of Touchscreen Smartphones
This paper examines touchscreen smartphone adoption and usability for people with dexterity impairments through interviews and hands-on observations with 16 participants (mean age 40) at a New York centre serving approximately 3,500 people with physi…