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1. 发明授权

US06791461B2 Object detection sensor 有权
标题翻译：物体检测传感器
公开(公告)号：US06791461B2
公开(公告)日：2004-09-14
申请号：US10083480
申请日：2002-02-27
申请人： Shin-ichi Oku , Yoshinori Tatsumi , Akihiko Hayashi , Maki Takeguchi
发明人： Shin-ichi Oku , Yoshinori Tatsumi , Akihiko Hayashi , Maki Takeguchi
IPC分类号： G08B2300
CPC分类号： G01V8/10 , G08B13/181
摘要： Cameras 31, 32 take images of an image space around a door. A distance calculation unit 33 calculates the distance to an object in the taken images. A coordinate transformation unit 34 detects the three-dimensional position of the object in the image space. The image space covered by the cameras 31, 32 is divided into a plurality of voxels. Some of these voxels are optionally set as constituents of the detection area. A judgement unit 36 judges whether the detected three-dimensional position of the object locates within or outside the detection area. If the object is present within the detection area, an output unit 37 produces an object detection signal, so that the door is allowed to open.
摘要翻译：相机31,32拍摄门周围的图像空间的图像。距离计算单元33计算拍摄图像中与物体的距离。坐标变换单元34检测图像空间中物体的三维位置。由摄像机31,32覆盖的图像空间被划分为多个体素。这些体素中的一些可选地被设置为检测区域的组成部分。判断单元36判断检测到的三维位置是否位于检测区域内或外部。如果物体存在于检测区域内，则输出单元37产生物体检测信号，使门被允许打开。

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