EdgeWrite: a stylus-based text entry method designed for high accuracy and stability of motion
Proceedings of the 16th annual ACM symposium on User interface software and technology
Writing with a joystick: a comparison of date stamp, selection keyboard, and EdgeWrite
GI '04 Proceedings of the 2004 Graphics Interface Conference
Text entry from power wheelchairs: edgewrite for joysticks and touchpads
Assets '04 Proceedings of the 6th international ACM SIGACCESS conference on Computers and accessibility
Text Entry Systems: Mobility, Accessibility, Universality
Text Entry Systems: Mobility, Accessibility, Universality
Barrier pointing: using physical edges to assist target acquisition on mobile device touch screens
Proceedings of the 9th international ACM SIGACCESS conference on Computers and accessibility
Ability-Based Design: Concept, Principles and Examples
ACM Transactions on Accessible Computing (TACCESS)
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We are investigating how handheld devices like Palm PDAs and PocketPCs can be used as assistive technologies for computer access by people with motor impairments such as Muscular Dystrophy and Cerebral Palsy. As part of this research, we are developing new input techniques for handheld text entry. People with motor impairments suffer from symptoms that affect their ability to use conventional text entry methods. One symptom is a lack of stability in stylus movements caused by tremor or spasm. In an effort to create a more stable means of text entry, we are researching how to leverage elevated physical edges in our development of new text entry techniques. We present three edge-based techniques: Edge Keyboards, CornerSlide, and EdgeWrite.