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    • 1. 发明申请
    • A SYSTEM AND METHOD FOR MEASURING AND MAPPING A SURFACE RELATIVE TO A REFERENCE
    • 用于测量和映射表面相对于参考的系统和方法
    • WO2007000010A1
    • 2007-01-04
    • PCT/AU2005/001630
    • 2005-10-20
    • CURTIN UNIVERSITY OF TECHNOLOGYSTEWART, MikeLICHTI, DerekFRANKE, Jochen
    • STEWART, MikeLICHTI, DerekFRANKE, Jochen
    • G01B11/30B02C17/00G01B21/30
    • G01B11/0616B02C4/32G01B11/24
    • A system and method for measuring the displacement of a surface relative to a base reference, as well as for mapping the displacement of the surface relative to the base reference. A laser scanner generates point cloud data in respect of a measure of the spatial orientation of a distal surface relative to a reference point to define a three-dimensional image of the surface. Reference data is stored in respect of the spatial orientation of a base reference relative to the surface. processing means to process said point cloud data and said base reference data to determine the relative displacement of said surface with respect to said base reference. A system comprising: data processing means to obtain point cloud data defining a surface in a co ordinate system coinciding with a base reference and to generate displacement data in respect of the displacement between each point of said point cloud and a related point of said base reference; comparison means to compare the displacement data against a prescribed threshold; and display means to graphically display the result of the comparison.
    • 用于测量表面相对于基准基准的位移的系统和方法,以及用于映射表面相对于基准基准的位移。 激光扫描器产生关于远侧表面相对于参考点的空间取向的度量的点云数据,以限定表面的三维图像。 关于基准参考相对于表面的空间取向存储参考数据。 处理装置,用于处理所述点云数据和所述基准参考数据,以确定所述表面相对于所述基准参考的相对位移。 一种系统,包括:数据处理装置,用于获得定义与基准参考一致的坐标系中的表面的点云数据,并产生关于所述点云的每个点与所述基准参考的相关点之间的位移的位移数据 ; 将位移数据与规定的阈值进行比较的比较装置; 以及以图形方式显示比较结果的显示装置。