Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
749 results found tagged assistive technology.
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Evaluating Haptic and Auditory Directional Guidance to Assist Blind People in Reading Printed Text Using Finger-Mounted Cameras
This paper presents HandSight, a finger-mounted camera system that enables blind people to read printed text by tracing their finger across lines while receiving real-time directional guidance to stay on track. The research addresses a significant ga…
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Exploring Auditory Graphing Software in the Classroom: The Effect of Auditory Graphs on the Classroom Environment
This study examines the real-world deployment of GNIE (Graph and Number line Input and Exploration), an auditory graphing software developed by Georgia Tech's Sonification Lab, in a middle school math classroom at the Georgia Academy for the Blind ov…
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Fast Human-Computer Interaction by Combining Gaze Pointing and Face Gestures
This paper presents FaceSwitch, an open-source multimodal accessibility system that combines eye gaze tracking for cursor positioning with facial gesture recognition for triggering actions. The system addresses limitations of existing gaze-based inte…
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The Tangible Desktop: A Multimodal Approach to Nonvisual Computing
This paper identifies fundamental limitations of audio-only computer interfaces for blind and low-vision users and proposes a multimodal tangible alternative. The researchers conducted a 4-month field study at EmpowerTech, a computer training school …
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"Hands On" Visual Recognition for Visually Impaired Users
This paper presents a collaborative visual recognition system designed to help blind or visually impaired (BVI) users identify specific product instances — distinguishing between brands, models, or types of objects that feel similar when handled. Whi…
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Towards Devising a Low-cost and Easy-to-use Arithmetic Learning Framework for Economically Less-privileged Visually Impaired Children
This paper addresses a critical gap in assistive technology: the lack of affordable, easy-to-use tools for teaching arithmetic to visually impaired children in low-income countries. While assistive calculators and digital tools exist, they are prohib…
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Use of an Indoor Navigation System by Sighted and Blind Travelers: Performance Similarities across Visual Status and Age
This study evaluates an indoor navigation system using commercial iOS devices and Bluetooth beacons to guide blind and visually impaired (BVI) travelers through complex university buildings. The research compared two navigation conditions: a system-a…
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VectorEntry: Text Entry Mechanism Using Handheld Touch-Enabled Mobile Devices for People with Visual Impairments
This research develops VectorEntry, a gesture-based text entry system for touchscreen mobile devices designed specifically for people with visual impairments. The authors conducted two preliminary studies to understand how users with visual impairmen…
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C-Hg: A Collaborative Haptic-Gripper Fine Motor Skill Training System for Children with Autism Spectrum Disorder
This paper presents C-Hg (Collaborative Haptic-gripper), a virtual reality training system designed to simultaneously address both fine motor skill deficits and social skill challenges in children with Autism Spectrum Disorder (ASD). The system uses …
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Supporting People with Acquired Brain Injury to Use a Reminding App; Narrow-deep vs. Broad-shallow User Interfaces
This study compares two contrasting user interface approaches for smartphone reminder apps used by people with acquired brain injury (ABI). "Broad-shallow" interfaces show lots of information on fewer screens (requiring scrolling), while "narrow-deep…