Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
49 results found tagged alternative input.
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Open, Accurate, and Calibration-Free Muscle-Computer Interfaces
Eddy and colleagues tackle one of the long-standing barriers to practical muscle-computer interfaces (MCIs): that accurate, cross-user gesture recognition from forearm EMG has historically required either per-user calibration or access to closed data…
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Consolidating computer operation and wheelchair control
This short ASSETS 2007 demo proposal from Torsten Felzer and Rainer Nordmann at Darmstadt University of Technology describes the integration of two previously separate assistive systems they had built for people with severe physical disabilities. The…
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Performance analysis of an integrated eye gaze tracking / electromyogram cursor control system
Chin, Barreto, Cremades, and Adjouadi's Assets '07 demonstration paper from Florida International University evaluates a hybrid cursor-control system that combines eye-gaze tracking (EGT) with electromyogram (EMG) input from facial muscles, targeted …
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Demo of VJ-Voicebot: Control of Robotic Arm with the Vocal Joystick
This demonstration paper from the University of Washington presents VJ-Voicebot, a system that allows individuals with motor disabilities to continuously control a 5 degrees-of-freedom robotic arm using non-verbal vocal sounds. The system builds on t…
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Humming Control Interface for Hand-held Devices
This paper from Stanford University presents a control-by-humming interface that allows hands-free operation of portable devices such as cell phones and music players through subvocal humming detected by a Bluetooth-connected insertion earphone/micro…
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Dynamically Adapting GUIs to Diverse Input Devices
This paper presents an analysis framework and demonstration tool (Input Adapter Tool, IAT) for automatically modifying desktop application interfaces to accommodate alternative input devices. Most GUI applications assume keyboard and mouse input, cre…
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The Vocal Joystick: Evaluation of Voice-based Cursor Control Techniques
This paper presents the Vocal Joystick, a system that enables continuous mouse cursor control through vocal parameters — specifically vowel quality, loudness, and pitch. Unlike traditional speech recognition systems that process discrete commands ("m…
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Non-speech Input and Speech Recognition for Real-time Control of Computer Games
This paper compares two acoustic input methods — speech recognition and non-speech humming — for controlling the arcade game Tetris in real time. The motivation is that while turn-based and strategic games are not greatly affected by motor impairment…
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Alternative Text Entry Using Different Input Methods
This paper presents the HaMCoS (Hands-free Mouse Control System) framework and its text entry applications, designed for people who cannot use their hands to operate a keyboard. HaMCoS works by detecting intentional muscle contractions — specifically…
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From Letters to Words: Efficient Stroke-based Word Completion for Trackball Text Entry
This paper presents a significant extension to Trackball EdgeWrite, a unistroke text entry method designed for people who use trackballs as their primary pointing device. The original Trackball EdgeWrite allowed users to enter text one character at a…