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RISS 인기검색어
- 검색키워드
- 저자 : Xiangshi Ren (검색결과 2 건)
- 무료
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- 유료
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A Natural Remote Target Selection Technique on Large Displays
Kibum Kim,Yang Gao,Xiangshi Ren 한국HCI학회 2014 한국HCI학회 학술대회 Vol.2014 No.12
In order to simplify the selection of remote targets on large displays, a novel technique called ShifTable is presented in this paper, which is similar to natural selection motion. ShifTable starts with users pushing toward the desired target; the interface shifts against the push direction at a faster speed than the user’s hand; the user selects the target when it comes near; the interface goes back to the initial location, ending ShifTable. Besides, during the selection, ShifTable can be undone whenever user double-taps the interface. In the design of ShifTable, we took impact of gestures on musculoskeletal system into consideration and made the technique as simple as possible. In summary, ShifTable had obvious advantages over the existing techniques on large displays for its simplicity and naturalness.
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Designing motion marking menus for people with visual impairments
Dim, Nem Khan,Kim, Kibum,Ren, Xiangshi Elsevier 2018 International Journal of Human-Computer Studies Vol.109 No.-
<P><B>Abstract</B></P> <P>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™ 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.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We explored the potential of marking menus as a solution to current problems of people with visual impairments in using mobile devices. </LI> <LI> We proposed motion-based marking menus (MMM) for eyes-free interactions in smartphones for people with visual impairments. </LI> <LI> We investigated suitable number of menu items and levels of MMM that are usable for people with visual impairments. </LI> <LI> Users were able to perform marking menu selections in up to 8 directions. Based on the system criteria, we also suggested suitable menu levels. </LI> <LI> We assessed the efficiency of MMM relatively to current smartphone accessibility menu, TalkBack. </LI> <LI> Users could perform menu selections with MMM than with TalkBack. Users were also receptive to the new menu system, MMM. </LI> </UL> </P>
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