Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
24 results found tagged switch access.
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Sudoku Access: A Sudoku Game for People with Motor Disabilities
This paper from the University of Algarve, Portugal presents Sudoku Access, an accessible version of the Sudoku puzzle game designed for people with motor disabilities. The system provides two alternative input methods: switch-based scanning and spee…
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The One-Key Challenge: Searching for a Fast One-Key Text Entry Method
This paper presents SAK (Scanning Ambiguous Keyboard), a novel one-key text entry method designed for people who can only operate a single switch input. The design combines two established techniques — scanning keyboards (where items are highlighted …
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Designing AAC Interfaces for Commercial Brain-Computer Interaction Gaming Hardware
This paper explores repurposing a low-cost commercial brain-computer interface (BCI) gaming device — the OCZ Technologies Neural Impulse Actuator (NIA) — as an input device for augmentative and alternative communication (AAC). The NIA is a headband t…
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Optimization of Switch Keyboards
This short paper presents a method for optimizing the character layout of switch keyboards used by people with severe motor control difficulties, including those with locked-in syndrome resulting from spinal cord or brain injury. Switch keyboards wor…
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Motion History to Improve Communication and Switch Access for People with Severe and Multiple Disabilities
This demo paper presents the application of Motion History — a computer vision technique that visualises a user's movement history as a heat map — to support communication and switch access for people with severe and multiple disabilities. The system…
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Text Entry by Raising the Eyebrow with HaMCoS
This demo paper presents HaMCoS (HAnds-free Mouse COntrol System), a system that enables text entry for people with very severe physical disabilities using tiny contractions of the brow muscle. The system targets users in a "locked-in" state, where c…
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Conception and Experimentation of a Communication Device with Adaptive Scanning
This paper presents an adaptive algorithm for optimizing scanning delay (Tscan) in switch-operated AAC devices, addressing one of the fundamental challenges in scanning-based communication: finding the right balance between speed and error rate. For …
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Evaluating the STANDUP Pun Generating Software with Children with Cerebral Palsy
This paper evaluates STANDUP (System To Augment Non-speakers' Dialogue Using Puns), software that uses natural language generation to enable children with complex communication needs (CCN) to create and tell novel punning riddles. Unlike traditional …
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Can We Make Dynamic, Accessible and Fun One-Switch Video Games?
This demonstration paper tackles a significant gap in accessible gaming: children with severe motor disabilities who rely on single-switch input are typically limited to static, time-independent games that lack the dynamic engagement of mainstream vi…
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Breaking Barriers with Assistive Macros
This paper introduces Assistive Macros, an Android accessibility service that enables users with motor impairments to perform multi-step interactions with a single selection. The system addresses two critical problems: the extreme time consumption of…