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    • 9. 发明申请
    • Imaging position analyzing method
    • 成像位置分析方法
    • US20090080697A1
    • 2009-03-26
    • US11918518
    • 2006-03-17
    • Kiyonari KishikawaKouhei TouToru Irie
    • Kiyonari KishikawaKouhei TouToru Irie
    • G06K9/00
    • G06K9/00798G01C15/00G01C21/26G06T7/246G06T2207/10016G06T2207/20021G06T2207/30244G06T2207/30256
    • The imaging position of each of the frames in image data of a plurality of frames captured while a vehicle is traveling is accurately determined.An image data acquiring device (100) captures a front image by means of a video camera (120) while a vehicle is traveling. When in imaging, the device associates the vehicle speed pulse detected by a vehicle speed sensor (104) with the frame data and records them. An image data processing device (200) arranges data on each frame of the image along the initial path according to the correspondence with the vehicle speed pulse. The device determines the variation between the frames of a feature point such as a road lane marking included in the image, reflects the variation on the initial path, and corrects the errors in the direction perpendicular to the moving direction so as to determine the traveling path and imaging positions of the frames.With this, the accuracy in determining the imaging position of each frame is improved.
    • 精确地确定在车辆行驶时捕获的多个帧的图像数据中的每个帧的成像位置。 图像数据获取装置(100)在车辆行驶时通过摄像机(120)捕获前方图像。 当成像时,装置将由车速传感器(104)检测的车速脉冲与帧数据相关联并将其记录。 图像数据处理装置(200)根据与车速脉冲的对应关系沿着初始路径布置图像的每帧的数据。 该装置确定图像中包括的道路车道标记等特征点的帧之间的变化,反映初始路径上的变化,并且校正与移动方向垂直的方向上的误差,以确定行进路径 和帧的成像位置。 由此,提高了确定每帧成像位置的精度。