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    • 8. 发明授权
    • Image orientation for endoscopic video displays
    • 内窥镜视频显示的图像方向
    • US07211042B2
    • 2007-05-01
    • US10922598
    • 2004-08-20
    • David ChateneverDaniel Mattsson-BozeMarc R. Amling
    • David ChateneverDaniel Mattsson-BozeMarc R. Amling
    • A61B1/04A61B1/045
    • A61B1/00045A61B1/042
    • An apparatus and technique for compensating the display of an image obtained from a video camera system associated with an endoscope as it is moved through various orientations are described. The received optical image is converted to an electrical signal with an image sensor that can be a CCD or a CMOS detector. The endoscope video camera system has an inertial sensor to sense rotations of the received image about the optical axis of the endoscope and the sensor's output signals are used to rotate either the image or the image sensor. In case of rotation of the image sensor the rotation sensor can be a gyroscope or a pair of accelerometers. In case of a rotation of the image obtained with the image sensor the inertial sensor, which can be an accelerometer or a gyroscope, the image is rotated within a microprocessor for subsequent viewing on a video display.
    • 描述了一种用于在通过各种取向移动时补偿从与内窥镜相关联的摄像机系统获得的图像的显示的装置和技术。 接收到的光学图像被转换成具有可以是CCD或CMOS检测器的图像传感器的电信号。 内窥镜摄像机系统具有惯性传感器,用于感测接收到的图像围绕内窥镜的光轴的旋转,并且传感器的输出信号用于旋转图像或图像传感器。 在图像传感器旋转的情况下,旋转传感器可以是陀螺仪或一对加速度计。 在利用图像传感器获得的图像旋转的情况下,惯性传感器(其可以是加速度计或陀螺仪)在微处理器内旋转图像,以便随后在视频显示器上观看。