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    • 66. 发明公开
    • VERFAHREN ZUR TOMOGRAPHISCHEN REKONSTRUKTION EINER MESSGRÖSSE DURCH GEZIELTE BESTIMMUNG DER MESSPUNKTE
    • 方法断层摄影重建的测量通过测量点的靶向拨款
    • EP2191444A1
    • 2010-06-02
    • EP08801207.5
    • 2008-08-20
    • Forschungszentrum Jülich GmbHFachhochschule Aachen
    • STEFFEN, BernhardLUSTFELD, HansHIRSCHFELD, JulianREISSEL, MartinSCHMIDT, Uli
    • G06T11/00G01R19/08
    • G01R19/08G06T11/003G06T11/006
    • The invention relates to a method for the tomographic reconstruction of the distribution of a measurement variable within a sample from values of an auxiliary variable, a method for determining the optimum measurement points for the auxiliary variable, as well as apparatuses for carrying out the methods. According to the invention, when determining the distribution of the measurement variable, the values of the auxiliary variable are weighted on the basis of a relevance measure. Relevance measures can, for example, measure how strongly the value of the auxiliary variable measured at the assessed location reacts to changes in the measurement variable, how large the resolveable structures in the reconstructed distribution of the measurement variable are which are changed in the event of a change in the value of the auxiliary variable measured at the assessed point, or how much information about the overall distribution of the measurement variable is contained in the value of the auxiliary variable measured at the assessed point. It is thus possible to obtain better information, from far fewer recorded values of the auxiliary variable, about the distribution of the measurement variable in the sample than according to the prior art.
    • 本发明涉及一种用于断层摄影重建的测量变量的样本内的分布从一个辅助变量的值的方法,用于确定性采矿的方法的最佳测量点的辅助变量,以及用于实施该方法的设备。 。根据本发明,当确定采矿测量变量的分布中,辅助变量的值被一个关联性测度的基础上加权。 相关性的措施可以,例如,测量在分摊位置测量的辅助变量的值如何强烈反应,以在所述测量变量的变化,如何大的测量参量的重构分布resolveable结构它们是的情况下改变 在被评估的点处测量的辅助变量,或如何的值的变化关于测量变量的总体分布多的信息被包含在在分摊点测得的辅助变量的值。 因此,能够获得更好的信息,从所述辅助变量的少得多的记录值,关于测量变量的样品中的分布比gemäß现有技术。