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    • 5. 发明申请
    • APPARATUS AND METHOD FOR EXTRACTING CORRESPONDENCES BETWEEN AERIAL IMAGES
    • 提取相关图像之间相关性的装置和方法
    • US20120155745A1
    • 2012-06-21
    • US13325957
    • 2011-12-14
    • Il-Kyu PARKChang-Woo ChuYoung-Mi ChaBon-Ki Koo
    • Il-Kyu PARKChang-Woo ChuYoung-Mi ChaBon-Ki Koo
    • G06K9/00
    • G06K9/00637G06T7/33G06T17/05G06T2207/10032G06T2207/30184
    • Disclosed herein is an apparatus and method for extracting correspondences between aerial images. The apparatus includes a line extraction unit, a line direction determination unit, a building top area extraction unit, and a correspondence extraction unit. The line extraction unit extracts lines corresponding buildings from aerial images. The line direction determination unit defines the directions of the lines as x, y and z axis directions based on a two-dimensional (2D) coordinate system. The building top area extraction unit rotates lines in the x and y axis directions so that the lines are arranged in parallel with the horizontal and vertical directions of the 2D image, and then extracts building top areas from rectangles. The correspondence extraction unit extracts correspondences between the aerial images by comparing the locations of the building top areas extracted from the aerial images.
    • 本文公开了一种用于提取航空图像之间的对应关系的装置和方法。 该设备包括线提取单元,线路方向确定单元,建筑物顶部区域提取单元和对应提取单元。 线提取单元从航空图像提取相应建筑物的线。 线方向确定单元基于二维(2D)坐标系,将线的方向定义为x,y和z轴方向。 建筑顶部区域提取单元沿x和y轴方向旋转线,使得线与2D图像的水平和垂直方向平行排列,然后从矩形中提取建筑顶部区域。 对应提取单元通过比较从空中图像提取的建筑物顶部区域的位置来提取空间图像之间的对应关系。