CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Cirrin: a word-level unistroke keyboard for pen input
Proceedings of the 11th annual ACM symposium on User interface software and technology
Quikwriting: continuous stylus-based text entry
Proceedings of the 11th annual ACM symposium on User interface software and technology
Dasher—a data entry interface using continuous gestures and language models
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Shorthand writing on stylus keyboard
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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
Modeling human performance of pen stroke gestures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Fitts' law as a research and design tool in human-computer interaction
Human-Computer Interaction
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With the emergence of mobile computing devices such as Personal Digital Assistants (PDAs), a new challenge to design methods of interacting with them for people with disabilities has been created. In this paper, we propose GrooveWrite as a novel text entry system for handheld devices equipped with touch screen and stylus, targeted at people with situational and motor impairments. Based on traditional seven-segment layout, GrooveWrite interface is designed and implemented. The characters are entered by moving the stylus inside physical side-grooves, which are used as a stabilizer for stylus motion, and crossing the subset of segments that forms intended character. Character recognition neither considers the path of movement, nor recognition pattern, but only the subset of seven segments that is crossed. We examine our system theoretically using CLC model. This study shows that GrooveWrite text entry speed will be 24.78 words per minute.