Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
42 results found tagged touchscreen accessibility.
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StateLens: A Reverse Engineering Solution for Making Existing Dynamic Touchscreens Accessible
This paper presents StateLens, a three-part system that makes existing dynamic touchscreen interfaces accessible to blind users without requiring any modification to the touchscreen hardware or software. Blind people routinely encounter inaccessible …
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Move&Flick: Design and Evaluation of a Single-Finger and Eyes-Free Kana-Character Entry Method on Touch Screens
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 …
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Evaluation of Non-Visual Panning Operations Using Touch-Screen Devices
This demonstration paper addresses a critical challenge in non-visual access to graphical information on touchscreens: how to pan across large-format graphics (maps, floor plans) without losing spatial orientation. The authors built on their Vibro-Au…
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Designing a Text Entry Multimodal Keypad for Blind Users of Touchscreen Mobile Phones
This paper presents MTITK (Multimodal Text Input Touchscreen Keypad), a software-only text entry system for blind users of touchscreen phones that combines the familiar 12-key telephone keypad layout with multimodal audio-tactile feedback. The work i…
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OS-Level Surface Haptics for Touch-Screen Accessibility
This demonstration paper introduces an operating system-level implementation of surface haptic feedback for Android tablets, built on the TPad Tablet platform developed at Northwestern University. The TPad combines a standard 7-inch Android tablet wi…
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A Performance Comparison of On-Hand versus On-Phone Nonvisual Input by Blind and Sighted Users
This study investigates whether using one's own hand as an input surface offers performance advantages over touchscreen phones for blind users performing nonvisual interaction. On-body input is particularly attractive for blind users because it provi…
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Accessible Touchscreen Technology for People with Visual Impairments: A Survey
This comprehensive survey reviews the state of the art in touchscreen accessibility for people who are blind or have low vision, covering research from the mid-1990s through 2016. The authors organize the field by input modalities (gestural, voice, s…
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Principles for Designing Large-Format Refreshable Haptic Graphics Using Touchscreen Devices: An Evaluation of Nonvisual Panning Methods
This paper addresses a fundamental challenge in touchscreen-based accessibility: how to provide non-visual access to large-format graphical materials like maps that exceed the device's screen size. While touchscreens represent the fastest-growing com…
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Design Guidelines and Recommendations for Multimodal, Touchscreen-based Graphics
This paper presents comprehensive design guidelines for creating accessible graphics on touchscreen devices using vibration and audio feedback for people with visual impairments. Drawing on over eight years of research, the authors address a critical…
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WordMelodies: Supporting the Acquisition of Literacy Skills by Children with Visual Impairment through a Mobile App
WordMelodies is a freely available mobile application designed to teach literacy skills to primary school children, with particular attention to accessibility for children with visual impairments or blindness (VIB). The app was developed through an i…