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RISS 인기검색어
- 검색키워드
- 저자 : Dongyi Chen (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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An Investigation on Selection Mechanisms for Mobile Camera-based Cursor Manipulation
Liang Chen,Dongyi Chen,Shiji Xiahou,Jie Li 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.3
To avoid the occlusion problem and the fat finger problem while manipulating mobile touch devices, researchers in HCI community have explored the area of mobile camera-based interaction which utilizes camera input instead of touch input. For mobile camera-based cursor manipulation, selection mechanisms may have an effect on users' pointing performance, and therefore worthy of study. In this research, we conducted a user study to explore how selection mechanisms influenced users' performance in mobile camera-based cursor manipulation and users' preferences. The quantitative results indicate that the users' performances of using two selection mechanisms (the button-based selection and tapping-based selection) are similar to each other from a statistical point of view. However, subjective feedback from the participants shows that the tapping-based selection is believed to be more comfortable and easy to use.
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An Exploration of Cursor Positioning Styles of One-Handed Mobile Camera Based Cursor Manipulation
Liang Chen,Dongyi Chen 보안공학연구지원센터 2015 International Journal of Multimedia and Ubiquitous Vol.10 No.9
Mobile camera based interaction, which makes use of video input from the inbuilt camera, has been investigated to serve as a supplementary or alternative technique for direct touch manipulation on mobile devices to address usability issues such as the occlusion problem and fat finger problem. Despite some prototype systems have been designed and developed, we still do not possess a good understanding of many fundamental issues closely related to mobile camera based manipulation. In order to enrich this body of knowledge, we conducted a user study using Fitts’ reciprocal pointing tasks to explore different cursor positioning styles' influence on users' pointing performance in one-handed mobile camera based cursor manipulation. The results showed that the style of moving the cursor to the opposite direction to which the device moved outperformed the style of moving the cursor to the same direction in terms of both selection time and error rate, although the latter was not statistically significant. In addition, the former gained great popularity among participants.
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