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    • 22. 发明授权
    • Camera gestures for user interface control
    • 相机手势用于用户界面控制
    • US08269842B2
    • 2012-09-18
    • US12137202
    • 2008-06-11
    • Kongqiao WangLiang ZhangYuanchun Shi
    • Kongqiao WangLiang ZhangYuanchun Shi
    • H04N5/228
    • G06F3/017G06F3/0304G06F3/0346
    • A system and method for using images captured from a digital camera to control navigation through a three-dimensional user interface. The sequence of images may be examined to identify feature points to be tracked through successive frames of the images captured by the camera. A plurality of classifiers may be used to discern shift from rotation gestures, based on expected behavior of feature points in the image when the camera is shifted or rotated in position. The various classifiers may generate voting values for shift and rotation gestures, and the system can use historical gesture information to assist in categorizing a current gesture.
    • 一种用于使用从数码相机捕获的图像来控制通过三维用户界面的导航的系统和方法。 可以检查图像序列以识别通过由相机捕获的图像的连续帧来跟踪的特征点。 当照相机在位置移动或旋转时,可以使用多个分类器来基于图像中的特征点的预期行为来辨别从旋转手势的偏移。 各种分类器可以产生移动和旋转手势的投票值,并且系统可以使用历史手势信息来辅助对当前手势进行分类。
    • 28. 发明授权
    • Free hand gesture control of automotive user interface
    • 自由手势控制汽车用户界面
    • US09239624B2
    • 2016-01-19
    • US13446793
    • 2012-04-13
    • Kongqiao WangLeo Kärkkäinen
    • Kongqiao WangLeo Kärkkäinen
    • G06F3/03G06F3/01
    • G06F3/017G06K9/00389
    • A free hand gesture control user interface is described. Components of the interface system may include a stereo vision camera, or multiple cameras, a control unit, a projector and a projecting surface. In an automotive application, the projecting surface may be the windscreen in the vehicle or a mounted screen. The camera together with software modules in the control unit define a gesture acceptance border and a gesture acceptance space within which hand gestures may be imaged, defined for various control actions, and executed. The hand images are analyzed in slices of the gesture acceptance space to determine hand orientation (open or closed) and/or motion.
    • 描述自由手势控制用户界面。 接口系统的组件可以包括立体视觉相机或多个相机,控制单元,投影仪和投影表面。 在汽车应用中,突出表面可以是车辆中的挡风玻璃或安装的屏幕。 摄像机与控制单元中的软件模块一起定义手势接受边界和手势接受空间,手势可以被成像,为各种控制动作定义并被执行。 在手势接受空间的切片中分析手图像以确定手取向(打开或关闭)和/或运动。