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Improved ct - receptacles for investigations strongly debilitating objects to be investigated

机译:改进的ct-研究用容器,使研究对象严重衰弱

摘要

A process for the acquisition of measurement data (p) of an object to be examined with a computer tomography system (c1) for a reconstruction of image data (f) of the object to be examined, wherein the measurement data (p) as the projections during travel of the radiation source (c2, c4) around the object to be examined are detected, the measurement data detection, for the image data (f) of a volume element dv of the object to be examined during a plurality of turns, takes place, and per rotation, a not - integral number of projections is detected, so that the projections of the plurality of turns, to an integer number of projections, wherein the number of projections per revolution, multiplied by the integration time the time duration of a revolution is achieved, whereby the integration time is extended in such a way that the relative contribution of the electronic noise is reduced in comparison with the quantum noise.
机译:一种利用计算机断层摄影系统(c1)获取待检查对象的测量数据(p)以重建待检查对象的图像数据(f)的过程,其中,测量数据(p)作为检测辐射源(c2,c4)在被检查物体周围行进期间的投影,测量数据检测用于在多转中被检查物体的体积元素dv的图像数据(f),发生,并且每旋转一次,检测到一个不是整数的凸起,从而使多个匝的凸起变为整数个凸起,其中,每转凸起的数量乘以积分时间和持续时间实现了转数的变化,从而以使得与量子噪声相比电子噪声的相对贡献减小的方式延长了积分时间。

著录项

  • 公开/公告号DE102010005635B4

    专利类型

  • 公开/公告日2018-09-20

    原文格式PDF

  • 申请/专利权人 SIEMENS HEALTHCARE GMBH;

    申请/专利号DE20101005635

  • 发明设计人 THOMAS DR. FLOHR;RAINER DR. RAUPACH;

    申请日2010-01-25

  • 分类号A61B6/03;G06F19/00;G01N23/06;

  • 国家 DE

  • 入库时间 2022-08-21 12:35:06

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