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    • 10. 发明授权
    • Method of determining the trajectory of a body suitable for moving along
a portion of a path, and apparatus for implementing the method
    • 确定适于沿着路径的一部分移动的主体的轨迹的方法以及用于实现该方法的装置
    • US4839648A
    • 1989-06-13
    • US143875
    • 1988-01-14
    • Serge BeucherJean-Marc BlossevilleFrancois Lenoir
    • Serge BeucherJean-Marc BlossevilleFrancois Lenoir
    • G08G1/04
    • G08G1/04
    • A method of determining the trajectory of a body (1) such as a vehicle body on a relatively plane path portion (2), the method being characterized in that it consists: in forming a main real image (4) of the path portion in a plane (19) at a non-zero angle (5) with the path portion; in decomposing said main image as formed into a plurality of points (21); in determining the relationship between the size of a unit length (30) taken substantially at the level of the path portion and the size of its image formed in the main image the size being a function of the number of points covered by the image and of the location of the unit length on said path portion; in determining a secondary image (32) in the main image, the secondary image corresponding to a longitudinal reference mark (31) related to the vehicle on the path portion; and in determining the various successive positions (32, 33, 34) of the secondary image by correlation of the number of points covered by the secondary image, given that the secondary image corresponds, according to the relationship, to a length which is constant on the path portion.
    • 一种在相对平面路径部分(2)上确定车体(1)诸如车体的轨迹的方法,其特征在于,它包括:形成路径部分的主实际图像(4) 与路径部分成非零角度(5)的平面(19); 在将所述主图像分解成多个点(21)时; 在确定基本上在路径部分的水平上拍摄的单位长度(30)的尺寸与在主图像中形成的图像的尺寸之间的关系中,该尺寸是图像所覆盖的点数的函数,以及 所述路径部分上的单位长度的位置; 在确定主图像中的次要图像(32)时,与在路径部分上与车辆相关的纵向参考标记(31)对应的次要图像; 以及在通过所述次级图像覆盖的点的数量的相关性来确定所述次级图像的各个连续位置(32,33,34),根据所述关系,所述辅助图像根据所述关系对应于长度,所述长度对于 路径部分。