Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
10 results found tagged smartphone.
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Smartphone Application for Indoor Scene Localization
This demonstration paper presents a smartphone-based assistive technology that uses computer vision to determine a blind user's location inside a building where GPS is ineffective. The system operates on a client-server model running on an Android HT…
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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…
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Do You See What I See? Designing a Sensory Substitution Device to Access Non-Verbal Modes of Communication
This paper presents iFEPS (improved Facial Expression Perception through Sound), a visual-to-auditory sensory substitution device that enables blind users to perceive their conversation partner's facial expressions through audio feedback. Research su…
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NavCog3: An Evaluation of a Smartphone-Based Blind Indoor Navigation Assistant with Semantic Features in a Large-Scale Environment
This paper presents NavCog3, a smartphone-based indoor navigation assistant for people with visual impairments, evaluated at scale in a 21,000 m² shopping mall in Japan. Unlike many prior indoor navigation prototypes that were tested only in constrai…
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Help Kiosk: An Augmented Display System to Assist Older Adults to Learn How to Use Smart Phones
This demonstration paper presents Help Kiosk (HK), a system that uses a large 19-inch touchscreen display to temporarily augment a smartphone's small screen during learning episodes for older adults. The system addresses two converging trends: rapidl…
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VizWiz: Nearly Real-Time Answers to Visual Questions
This paper introduces VizWiz, a pioneering mobile application that enables blind and low-vision people to get nearly real-time answers to visual questions by connecting their smartphone cameras to remote paid workers on Amazon Mechanical Turk. Users …
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Achieving Practical and Accurate Indoor Navigation for People with Visual Impairments
This paper presents improvements to the NavCog indoor navigation system that achieve sub-meter localization accuracy for blind pedestrians while significantly reducing the infrastructure cost of deploying BLE (Bluetooth Low Energy) beacon networks. G…
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Collaborative Accessibility Assessments by Senior Citizens Using Smartphone Application ReAcTS (Real-world Accessibility Transaction System)
This paper presents ReAcTS (Real-world Accessibility Transaction System), a smartphone application designed to enable senior citizen volunteers to collaboratively assess and share real-world physical accessibility conditions in their local communitie…
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VStroll: An Audio-based Virtual Exploration to Encourage Walking among People with Vision Impairments
People with visual impairments (PVIs) engage in significantly less physical exercise than sighted adults, with 1.5 times higher odds of obesity. Barriers include inaccessible infrastructure, parental discouragement due to safety concerns, lack of wal…
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Tactile Graphics with a Voice
This paper presents Tactile Graphics with a Voice (TGV), a system that uses QR codes and a smartphone application to make text labels on tactile graphics accessible to blind and low-vision users — particularly the estimated 60% of blind people who ar…