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1. 发明授权

US07894632B2 Apparatus and method of estimating center line of intersection 有权
标题翻译：估计中心线交点的装置和方法
公开(公告)号：US07894632B2
公开(公告)日：2011-02-22
申请号：US11858181
申请日：2007-09-20
申请人： Jeong-Ho Park , Seong Ik Cho , Gee Ju Chae
发明人： Jeong-Ho Park , Seong Ik Cho , Gee Ju Chae
IPC分类号： G06K9/00
CPC分类号： G06K9/00798
摘要： Provided are a method and apparatus for estimating a center line of an intersection by recognizing a crosswalk on a road input through a camera installed in a vehicle. The apparatus includes a road information providing unit which provides information about a road being traveled based on location information of a traveling vehicle; a crosswalk recognizing unit which recognizes a crosswalk based on an input image of the intersection and the information about the road and obtains a distance from the traveling vehicle to the crosswalk; and an intersection center line estimating unit which estimates the center line of the intersection based on the information about the road and the distance from the traveling vehicle to the crosswalk. Since the center line of the intersection is estimated, the apparatus and method of estimating a center line of an intersection according to the present invention can prevent traffic accidents occurring frequently at an intersection and helps indicate direction information of ‘real vehicle navigation.’
摘要翻译：提供一种用于通过识别通过安装在车辆中的相机输入的道路上的人行横道来估计交叉路口的中心线的方法和装置。该装置包括道路信息提供单元，其基于行驶车辆的位置信息提供关于正在行驶的道路的信息; 基于交叉口的输入图像识别人行横道的人行横道识别单元和关于道路的信息，并获得从行进车辆到人行横道的距离; 以及基于关于道路的信息和从行驶车辆到人行横道的距离来估计交叉口的中心线的交叉路口中心线估计单元。由于估计了交点的中心线，所以根据本发明的估计交叉路口的中心线的装置和方法可以防止交叉路口频繁发生的交通事故，并且有助于指示“真正的车辆导航”的方向信息。

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