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1. 发明授权

US08542882B2 Method for determining flow conditions 有权
标题翻译：确定流量条件的方法
公开(公告)号：US08542882B2
公开(公告)日：2013-09-24
申请号：US13202397
申请日：2010-01-11
申请人： Berhnard Wieneke
发明人： Berhnard Wieneke
IPC分类号： G06K9/62
CPC分类号： G01P5/001
摘要： The invention relates to a method for determining flow conditions in a measured volume permeated by a fluid spiked with optically detectable particles. A plurality of two-dimensional images of the particle distribution is thereby created at each of a plurality of times, an estimated particle distribution is determined therefrom, and a three-dimensional displacement vector field is calculated. According to the invention, a transfer function for the image detectors used is first determined, by means of which the real distribution is mapped by the image detector. Starting from a roughly estimated initial distribution, and by means of the transfer function, virtual images of the estimated distribution are then calculated and compared to the associated real images. The estimated distribution is modified in an iterative method until sufficient matching of the virtual and real images has been achieved.
摘要翻译：本发明涉及一种用于确定被光学上可检测的颗粒掺入的流体渗透的测量体积中的流动条件的方法。由此，在多次中形成粒子分布的多个二维图像，由此确定估计的粒子分布，并计算三维位移矢量场。根据本发明，首先确定所使用的图像检测器的传递函数，利用该传递函数，由图像检测器映射实际分布。从大致估计的初始分布开始，并且通过传递函数，然后计算估计分布的虚拟图像并将其与相关联的真实图像进行比较。估计的分布在迭代方法中进行修改，直到实现了虚拟和真实图像的充分匹配。

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