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首页> 外文期刊>IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics >Visual capture and understanding of hand pointing actions in a 3-D environment
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Visual capture and understanding of hand pointing actions in a 3-D environment

机译：视觉捕捉和理解3-D环境中的手指操作

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摘要

We present a nonintrusive system based on computer vision for human-computer interaction in three-dimensional (3-D) environments controlled by hand pointing gestures. Users are allowed to walk around in a room and manipulate information displayed on its walls by using their own hands as pointing devices. Once captured and tracked in real-time using stereo vision, hand pointing gestures are remapped onto the current point of interest, thus reproducing in an advanced interaction scenario the "drag and click" behavior of traditional mice. The system, called PointAt (patent pending), enjoys a careful modeling of both user and optical subsystem, and visual algorithms for self-calibration and adaptation to both user peculiarities and environmental changes. The concluding sections provide an insight into system characteristics, performance, and relevance for real applications.
机译：我们提出了一种基于计算机视觉的非侵入式系统，用于在由手势控制的三维（3-D）环境中进行人机交互。允许用户在房间里走来走去，并通过使用自己的手作为指示设备来操纵显示在墙上的信息。一旦使用立体视觉捕获并实时跟踪了手势，便会将其重新映射到当前的兴趣点，从而在高级交互场景中重现传统鼠标的“拖动并单击”行为。该系统称为PointAt（正在申请专利），它对用户和光学子系统都进行了仔细的建模，并通过可视算法进行自我校准并适应用户的特性和环境变化。结论部分提供了对系统特性，性能以及与实际应用程序相关性的见解。

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