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Full-Text Articles in Graphics and Human Computer Interfaces
An Ambiguous Technique For Nonvisual Text Entry, Dylan C. Gaines
An Ambiguous Technique For Nonvisual Text Entry, Dylan C. Gaines
Dissertations, Master's Theses and Master's Reports
Text entry is a common daily task for many people, but it can be a challenge for people with visual impairments when using virtual touchscreen keyboards that lack physical key boundaries. In this thesis, we investigate using a small number of gestures to select from groups of characters to remove most or all dependence on touch locations. We leverage a predictive language model to select the most likely characters from the selected groups once a user completes each word.
Using a preliminary interface with six groups of characters based on a Qwerty keyboard, we find that users are able to …