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    FEATURE EXTRACTION METHOD, AND IMAGE RECOGNITION METHOD AND FEATURE DATABASE CREATION METHOD USING THE SAME
    3.
    发明公开
    FEATURE EXTRACTION METHOD, AND IMAGE RECOGNITION METHOD AND FEATURE DATABASE CREATION METHOD USING THE SAME 有权
    方法进行特征提取，图像检测方法和此过程封闭功能数据库创建方法

    公开(公告)号：EP2137673A1

    公开(公告)日：2009-12-30

    申请号：EP08765304.4

    申请日：2008-05-30

    申请人： Aisin AW Co., Ltd. ,  Toyota Jidosha Kabushiki Kaisha

    发明人： NAKAMURA, Masaki ,  ISHIKAWA, Tomoaki ,  NAKAO, Koichi ,  KANBA, Motoki ,  AISAKA, Osamu ,  OKADA, Kiyokazu

    IPC分类号： G06K9/00

    CPC分类号： G06K9/00798

    摘要： A feature extraction method includes: the step (#14) of grouping a cluster of features, in which an interval of the respective features is less than or equal to a predetermined grouping interval, to form a feature group, for a plurality of features of which feature information including at least information of a position and a feature type is included in a predetermined feature information storage unit; the step (#15) of excluding the feature, not suitable for use in an image recognition process of the feature with respect to image information, from the cluster of the features within the feature group; and the step (#18) of extracting a part or all of one or more of the features within the feature group remaining as a result of the exclusion step as a target feature suitable for the use in the image recognition process.

    DRIVING SUPPORT SYSTEM
    4.
    发明公开
    DRIVING SUPPORT SYSTEM 审中-公开
    FAHRHILFSSYSTEM

    公开(公告)号：EP2141678A1

    公开(公告)日：2010-01-06

    申请号：EP07742598.1

    申请日：2007-04-27

    申请人： Aisin AW Co., Ltd. ,  Toyota Jidosha Kabushiki Kaisha

    发明人： NAKAMURA, Masaki ,  ISHIKAWA, Tomoaki ,  AISAKA, Osamu ,  KANBA, Motoki ,  NAKAMURA, Motohiro

    IPC分类号： G08G1/09 ,  G08G1/16

    CPC分类号： G08G1/09623 ,  G06K9/00798 ,  G06K9/00818 ,  G08G1/166

    摘要： In a case where it is determined that a road surface marking exists within a specified range from a vehicle 2 (YES at S2), the road surface marking is recognized based on an image that has been acquired by a rear camera 3 (S3), an on-road distance from the vehicle 2 to a control object that is associated with the recognized road surface marking is computed (S5 to S7), and in a case where it has been determined that the on-road distance to the control object has become a specified distance (YES at S8), driving guidance and the vehicle control are performed in accordance with the type of the associated control object (S11).

    摘要翻译： 在确定在车辆2的规定范围内存在路面标记的情况下（S2为“是”），基于后方摄像机3获取的图像（S3）识别路面标记， 计算从车辆2到与识别的路面标记相关联的控制对象的路上距离（S5至S7），并且在已经确定到控制对象的道路距离具有 成为指定距离（S8中为“是”），根据关联控制对象的种类进行驾驶引导和车辆控制（S11）。