Overhead scanner device, image acquiring method, and computer-readable recording medium
    1.
    发明授权
    Overhead scanner device, image acquiring method, and computer-readable recording medium 有权
    高架扫描器装置,图像获取方法和计算机可读记录介质

    公开(公告)号:US08503045B2

    公开(公告)日:2013-08-06

    申请号:US13116097

    申请日:2011-05-26

    Abstract: An overhead scanner device includes an area sensor, a linear sensor, and a control unit, wherein the control unit includes an area-image acquiring unit that controls the area sensor to successively acquire a plurality of images, a feature-point extracting unit that extracts feature points from the images acquired by the area-image acquiring unit, a velocity-vector computing unit that computes a velocity vector of each of the feature points by comparing the feature points extracted by the feature-point extracting unit between the images, and a read-start determining unit that determines a read start by the linear sensor, based on the velocity vector computed by the velocity-vector computing unit.

    Abstract translation: 一种架空扫描仪装置,包括区域传感器,线性传感器和控制单元,其中控制单元包括区域图像获取单元,其控制区域传感器以连续地获取多个图像;特征点提取单元,其提取 由所述区域图像获取单元获取的图像的特征点,速度矢量计算单元,其通过将由所述特征点提取单元提取的所述特征点与所述图像进行比较来计算每个所述特征点的速度矢量;以及 读取开始确定单元,其基于由速度矢量计算单元计算的速度矢量,确定线性传感器的读取开始。

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