According to the design requirement of the Theme Pavilion of the World Expo 2010, this paper proposes and implements a low-cost multi-touch real-time interactive tabletop system.
针对2010年上海世博会主题馆设计需求，提出并实现一种低成本的多点触摸实时互动桌面系统。
The system can be used as a touch screen, you can refer to both multi-touch, non-interfering, for large interactive sites (large interactive wall, interactive desktop) effect more visible.
系统可以作为触摸屏使用，可以多指同时触摸，互不干扰，对于大型互动地点(大型互动墙、互动桌面)效果更为明显。
The system can be used as a touch screen, you can refer to both multi-touch, non-interfering, for large interactive sites (large interactive wall, interactive desktop) effect more visible.
系统可以作为触摸屏使用，可以多指同时触摸，互不干扰，对于大型互动地点(大型互动墙、互动桌面)效果更为明显。
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