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    • 1. 发明申请
    • ENDOSCOPIC MEASUREMENT TECHNIQUES
    • 内窥镜测量技术
    • WO2006120690A2
    • 2006-11-16
    • PCT/IL2006/000563
    • 2006-05-11
    • G.I. VIEW LTD.CABIRI, OzPHILIPP, TzviSHPIGELMAN, Boaz
    • CABIRI, OzPHILIPP, TzviSHPIGELMAN, Boaz
    • G05F1/00
    • A61B5/1079A61B1/00009A61B1/00057A61B1/00096A61B1/00177A61B1/00181A61B1/04A61B1/05A61B1/06A61B1/0607A61B1/0676A61B1/0684A61B1/31A61B5/1032A61B5/1076A61B5/7264
    • Apparatus for use in a lumen is provided, including a light source, configured to illuminate a vicinity of an object of interest of a wall of the lumen, and an optical system (20), which is configured to generate a plurality of images of the vicinity. The apparatus further includes a control unit, which configured to measure a first brightness of a portion of a first one of the plurality of images generated while the optical system (20) is positioned at a first position with respect to the vicinity, measure a second brightness of a portion of a second one of the plurality of images generated while the optical system (20) is positioned at a second position with respect to the vicinity, the second position different from the first position, wherein the portion of the second one of the images generally corresponds to the portion of the first one of the images, and calculate a distance to the vicinity, responsively to the first and second brightnesses. Other embodiments are also described.
    • 提供了一种在管腔中使用的装置,包括构造成照亮管腔壁的感兴趣对象附近的光源,以及光学系统(20),其被配置为产生多个图像 附近。 该装置还包括控制单元,其被配置为测量当光学系统(20)相对于附近定位在第一位置时产生的多个图像中的第一个图像的第一个的一部分的第一亮度,测量第二个 在光学系统(20)位于相对于附近的第二位置处产生的多个图像中的第二个图像中的第二个图像的一部分的亮度,第二位置不同于第一位置,其中第二个 图像通常对应于第一个图像的部分,并且响应于第一和第二亮度计算到附近的距离。 还描述了其它实施例。