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    • 84. 发明授权
    • Image processing method and apparatus and computer-readable storage medium using improved distortion correction
    • 使用改进的失真校正的图像处理方法和装置以及计算机可读存储介质
    • US07313289B2
    • 2007-12-25
    • US09940432
    • 2001-08-29
    • Norihiko MurataTakashi KitaguchiShin Aoki
    • Norihiko MurataTakashi KitaguchiShin Aoki
    • G06K9/40
    • G06T5/006
    • In image processing method and apparatus of the present invention, image distortions caused by oblique imaging are corrected. A feature point of one of a plurality of partially overlapping images corresponding to a common location of an original image, shared by the plurality of partially overlapping images, is determined. A matched point of one of the other partially overlapping images corresponding to the feature point is determined so that a direction of the object plane is calculated based on the feature point and the matched point. One of the plurality of partially overlapping images is selected as a standard image whose image distortions are to be corrected. A distortion-corrected image is generated on a projection plane by projecting the standard image onto the projection plane based on the direction of the object plane such that image distortions in the standard image are eliminated.
    • 在本发明的图像处理方法和装置中,校正了由倾斜成像引起的图像失真。 确定与由多个部分重叠的图像共享的原始图像的公共位置对应的多个部分重叠的图像中的一个的特征点。 确定与特征点对应的其他部分重叠图像之一的匹配点,使得基于特征点和匹配点计算物体平面的方向。 选择多个部分重叠的图像中的一个作为要对其图像失真进行校正的标准图像。 通过基于物平面的方向将标准图像投影到投影平面上,使得标准图像中的图像失真被消除,在投影平面上生成失真校正图像。