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1. 发明授权

US08675985B2 Apparatus and method for processing image 有权
标题翻译：图像处理装置及方法
公开(公告)号：US08675985B2
公开(公告)日：2014-03-18
申请号：US13162740
申请日：2011-06-17
申请人： Woo-Jin Song , Hyun Woong Cho , Moon Kyu Song , Byoung-kwang Kim , Soon-Wook Chung
发明人： Woo-Jin Song , Hyun Woong Cho , Moon Kyu Song , Byoung-kwang Kim , Soon-Wook Chung
IPC分类号： G06K9/40 , G06K9/48 , H04N9/04
CPC分类号： G06T5/006
摘要： Provided are an apparatus and method for processing an image. The apparatus includes a detector configured to form one group with pieces of pixel information on an edge of a received image, detect line segments, and generate a plurality of curves using the detected line segments, an optimizer configured to apply a weight to a cost function based on the plurality of generated curves according to distance from the center of the image, define a curve having a shorter length than a threshold value as an outlier and a curve having a greater length than the threshold value as an inlier, remove the outlier, and estimate a distortion level parameter, and a corrector configured to correct a position of a pixel with a correction value using the distortion level parameter. Accordingly, it is possible to correct lens distortion of even an image that has not been directly photographed, and to correct images generated by devices equipped with any lens rather than a specific camera or photographing apparatus.
摘要翻译：提供了一种用于处理图像的装置和方法。该装置包括检测器，其被配置为在接收图像的边缘上形成一组像素信息，检测线段，并且使用检测到的线段生成多条曲线;优化器，被配置为向成本函数基于根据距离图像中心的距离的多个生成的曲线，将具有比阈值更短的长度的曲线定义为离群值，并且将具有比阈值更大的长度的曲线作为变换器，去除离群值，并估计失真水平参数，以及校正器，被配置为使用失真水平参数校正具有校正值的像素的位置。因此，即使是没有直接拍摄的图像，也可以校正透镜失真，并且校正由配备有任何透镜的装置产生的图像，而不是特定的照相机或拍摄装置。

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