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Designing motion marking menus for people with visual impairments

Title
Designing motion marking menus for people with visual impairments
Author
김기범
Keywords
Marking menus; Motion gestures; Accessibility; People with visual impairments
Issue Date
2018-01
Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES, v. 109, Page. 79-88
Abstract
Current smartphone accessibility for people with visual impairments relies largely on screen readers and voice commands. However, voice commands and screen readers are often not ideal because users with visual impairments rely mostly on hearing ambient sound from the environment for their safety in mobile situations. Recent research has shown that marking menus in mobile devices provide fast and eyes-free access for sighted users Francone et al., 2010; Oakley and Park, 2007, 2009. However, the literature is lacking design implications and adaptations that meet the needs of users with visual impairments. This paper investigates the capabilities of visually impaired people to invoke smartphone functions using marking menus via 3D motions. We explore and present the optimal numbers of menu items (breadth) and menu levels (depth) for marking menus that people with visual impairments can successfully adopt. We also compared a marking menu prototype to TalkBack (TM) which is an accessibility menu system in Android smartphones. The experimental results show that our participants could perform menu selections using marking menus faster than when using TalkBack. Based on the study results, we provide implications and guidelines for designing marking menus and motion gesture interfaces for people with visual impairments.
URI
https://www.sciencedirect.com/science/article/pii/S1071581917301283http://repository.hanyang.ac.kr/handle/20.500.11754/80958
ISSN
1095-9300; 1071-5819
DOI
10.1016/j.ijhcs.2017.09.002
Appears in Collections:
COLLEGE OF COMPUTING[E] > MEDIA, CULTURE, AND DESIGN TECHNOLOGY(ICT융합학부) > Articles
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