Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
161 results found tagged computer vision.
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Effect of Sign-recognition Performance on the Usability of Sign-language Dictionary Search
This paper investigates how the performance of sign-language recognition technology affects user satisfaction with ASL dictionary search systems. Unlike written languages where users can type unfamiliar words to look them up, ASL learners who encount…
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Iterative Design of Sonification Techniques to Support People with Visual Impairments in Obstacle Avoidance
This paper presents WatchOut, a sonification system that conveys real-time obstacle information to blind or visually impaired (BVI) people through non-verbal audio cues. While white canes detect obstacles only within about 1 meter and miss elevated h…
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Deep Learning Methods for Sign Language Translation
This comprehensive study evaluates deep learning methods for translating sign language video directly to spoken/written text—critically, without requiring the intermediate step of gloss-based recognition (manual sign-for-sign transcription). The rese…
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Machine Generation of Audio Description for Blind and Visually Impaired People
This paper presents an extension to CineAD, a system for automatically generating audio descriptions (AD) for videos. The authors address a critical accessibility gap: most videos, films, and cultural programming lack audio descriptions, leaving blin…
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Image Recognition Tools for Blind and Visually Impaired Users: An Emphasis on the Design Considerations
This research examines the current landscape of image recognition tools (IRT) designed for blind and visually impaired users, evaluating their capabilities against user needs and ISO ergonomic design standards. The authors conducted both a comprehens…
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Zebra Crossing Spotter: Automatic Population of Spatial Databases for Increased Safety of Blind Travelers
This paper presents a computer vision system that automatically detects zebra crosswalks by mining satellite imagery and Google Street View, with the goal of augmenting geographic information systems (GIS) to help blind travelers plan safer routes. K…
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A Computer Vision-Based System for Stride Length Estimation using a Mobile Phone Camera
This paper presents an affordable computer vision system for measuring stride length in Parkinson's disease (PD) patients using only a smartphone camera and a printed PVC mat. Gait analysis is a critical non-invasive method for PD diagnosis and asses…
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Magic Touch: Interacting with 3D Printed Graphics
Magic Touch is a computer vision-based system that augments 3D printed tactile graphics with audio information, addressing a key limitation of physical models for blind users: while 3D printing can effectively convey shapes and textures, text annotat…
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Imagining Artificial Intelligence Applications with People with Visual Disabilities using Tactile Ideation
This paper presents a novel tactile ideation methodology for working with people with visual disabilities to imagine future AI applications, and reports on cross-cultural workshops conducted in the UK (6 participants) and India (8 participants). Rath…
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"Is Someone There? Do They Have a Gun": How Visual Information about Others Can Improve Personal Safety Management for Blind Individuals
This paper investigates an underexplored dimension of accessibility for people who are blind: the need for visual information about other people to manage personal physical safety. While decades of assistive technology research have focused on helpin…