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    • 1. 发明申请
    • 3D CAMERA SYSTEM
    • 3D相机系统
    • WO2013160682A1
    • 2013-10-31
    • PCT/GB2013/051047
    • 2013-04-25
    • VISION RT LIMITED
    • HANSON, PeterHALE, Gideon
    • A61N5/00G06T7/00H04N5/225H04N13/02
    • H04N13/296A61N5/1049A61N2005/1059H04N5/2252H04N13/239H04N13/246
    • A 3D camera system (10) for a patient positioning and monitoring system is described. In the system a pair of image detectors (50) are provided where the image detectors (50) are each associated with a heater (64) thermally connected to conducting pads (68) provided at the periphery of the image detectors (50). The heaters (64) and conducting pads (68) act to contain the image detectors (50) in a substantially constant temperature micro climate thereby preventing external temperature variations from causing the relative positions of the image detectors to change so as to record portions of images as different pixels and hence reduce the consistency with which the identification of matching portions of images obtained by the image detectors (50) can be utilized to determine the 3D positions of imaged objects.
    • 描述了用于患者定位和监视系统的3D照相机系统(10)。 在系统中,提供了一对图像检测器(50),其中图像检测器(50)各自与加热器(64)相关联,加热器(64)热连接到设置在图像检测器(50)周边的导电焊盘(68)。 加热器(64)和导电垫(68)用于将图像检测器(50)容纳在基本上恒定的温度微气候中,从而防止外部温度变化导致图像检测器的相对位置改变,以便记录图像的部分 作为不同的像素,从而降低了由图像检测器(50)获得的图像的匹配部分的识别可以用于确定成像对象的3D位置的一致性。