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Graphics and Human Computer Interfaces Commons™
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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 …
Musical Exercise For People With Visual Impairments, Ridwan Ahmed Khan
Musical Exercise For People With Visual Impairments, Ridwan Ahmed Khan
Dissertations, Master's Theses and Master's Reports
However, it is hard specifically for people with visual impairments to do exercise without proper guidance. They have accessibility issues and thus, without others ’ help, they cannot be sure if they are doing exercise in a consistent form. To address this problem, I have developed a Musical Exercise platform for people with visual impairments . With the help of audio feedback of Musical Exercise, people with visual impairments can perform exercises in a good form consistently. To assess usability of the system and compare different audio profiles of the system, I designed six different con ditions, including blindfolded or …