Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
161 results found tagged computer vision.
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Dual Level Intraframe Coding for Increased Video Telecommunication Bandwidth
This paper from the Applied Science and Engineering Laboratories at the University of Delaware presents a dual-level video compression approach designed to make sign language transmission viable over bandwidth-limited telephone networks. The authors …
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Interactive Tactile Display System: A Support System for the Visually Disabled to Recognize 3D Objects
This paper from the Electrotechnical Laboratory in Tsukuba, Japan describes an interactive tactile display system that combines stereo computer vision with a pin-based tactile display and voice synthesis to help blind users recognize three-dimensiona…
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Note-Taker: Enabling Students Who Are Legally Blind to Take Notes in Class
This full paper from Arizona State University presents the CUbiC Note-Taker in detail, including its motivation, design principles, and results from two extensive case studies totaling over 200 hours of in-class use. The paper opens with a compelling…
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Enabling the Legally Blind in Classroom Note-Taking
This paper demonstrates the CUbiC Note Taker, a portable assistive device developed at Arizona State University that enables students who are legally blind to independently take notes in classroom settings. The system addresses multiple limitations o…
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Technology for Just-in-Time In-Situ Learning of Facial Affect for Persons Diagnosed with an Autism Spectrum Disorder
This MIT Media Lab paper presents a wearable technology system designed to help adolescents with autism spectrum disorders (ASD) learn to recognize and interpret facial expressions during real-time social interactions with their everyday companions. …
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A Camera Phone Based Currency Reader for the Visually Impaired
This paper presents a camera phone-based system for identifying U.S. paper currency denominations for people who are blind or visually impaired. The work addresses a specific accessibility gap: unlike currencies in many other countries, U.S. paper bi…
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Instant Tactile-Audio Map: Enabling Access to Digital Maps for People with Visual Impairment
This paper presents an automated system for converting standard digital map images into interactive tactile-audio maps that people who are blind can explore independently. The core problem addressed is that while online map services like Google Maps …
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Spatial and Temporal Pyramids for Grammatical Expression Recognition of American Sign Language
This paper presents a novel computer vision framework for recognizing grammatical facial expressions and head gestures in American Sign Language (ASL) video. While most sign language recognition research has focused on manual components (hand shapes …
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A System of Clothes Matching for Visually Impaired Persons
This short paper presents a proof-of-concept computer vision system designed to help blind and visually impaired people determine whether two clothing items match in both color and pattern. The system addresses a common daily living challenge: select…
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A Tool to Promote Prolonged Engagement in Art Therapy: Design and Development from Arts Therapist Requirements
This paper describes the design and evaluation of a customisable touch-screen tool that assists creative arts therapists working with older adults with dementia. The system uses a partially observable Markov decision process (POMDP) controller to aut…