Journal of Software:2010.21(zk):33-38

(清华大学 计算机科学与技术系,北京 100084)
UI Management System on Multi-User Interactive Tabletop
WU Chen-Jun,SHI Yuan-Chun,SUO Yue
(Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China)
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Received:July 15, 2009    Revised:July 09, 2010
> 中文摘要: 针对多用户交互桌面的界面管理问题,通过需求分析、界面建模、原型实现与用户研究四个阶段的研究,提出了一个完整的界面管理方案.首先基于对交互式桌面水平显示、直接输入以及多用户使用三个特性的分析,提出了桌面界面管理中输入管理、布局管理、权限管理和冲突管理四个方面的新需求,这些显著区别于台式计算机上的界面管理.在此基础上,设计了层次式的桌面交互界面模型,它自底向上由处理多用户输入的输入管理层、控制交互界面的对象管理层、以及基于树状结构组织的图形对象层组成.进而,实现了多用户桌面的交互界面管理系统uTablePlatform,并开展了实际的用户研究.4 组测试者在uTablePlatform 上分别完成了一次旅行规划的任务,观察和问卷结果表明本文设计并实现的界面管理系统可以有效的帮助用户完成桌面交互任务.
中文关键词: 交互桌面  多用户  协作  交互界面管理
Abstract:Interactive tabletop is now receiving wide publicity for its natural setting for collaboration. However, few works have carefully studied the user interface management on tabletop, and many problems are still to be resolved. In this paper, we carry out a systematic research on tabletop UI management, and develop a system to facilitate user interaction on tabletop. Firstly, based on the analysis of tabletop’s horizontal display, multi-user usage and natural input features, we identify four fundamental requirements for tabletop UI management: input management, layout management, conflict management and authority management, which are significantly different from UI management on desktops. Secondly, we design a model for tabletop UI management. It contains a hierarchical structure for organizing surface elements, Object Manager for multi-user interface controlling, and Input Manager for processing concurrent multimodal inputs. Thirdly, we implement a system, uTablePlatform based on our model, and an SDK for users developing applications on uTablePlatform. At last, we carry out a user study, where four groups carry out a travel planning task using uTablePlatform. Results suggest that the UI management technique we present can help people complete individual or collaborative tasks effectively on tabletop.
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基金项目:Supported by the National High-Tech Research and Development Plan of China under Grant No.2009AA01Z336 (国家高技术研究发展计划(863)) Supported by the National High-Tech Research and Development Plan of China under Grant No.2009AA01Z336 (国家高技术研究发展计划(863))
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WU Chen-Jun,SHI Yuan-Chun,SUO Yue.UI Management System on Multi-User Interactive Tabletop.Journal of Software,2010,21(zk):33-38