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相关概念视频

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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相关实验视频

Updated: May 25, 2025

Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

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谱造型 计算机断层扫描 应用程序

Julian Wong1, Peter Kutschera1,2, Kenneth K Lau1,2,3

  • 1Monash Imaging, Monash Health, Melbourne.

Journal of computer assisted tomography
|February 26, 2025
PubMed
概括
此摘要是机器生成的。

计算机断层扫描 (CT) 中的光谱成型使用过器去除低能光子. 这种技术可以减少辐射剂量和文物,改善各种临床应用的图像质量.

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Three-Dimensional Particle Shape Analysis Using X-ray Computed Tomography: Experimental Procedure and Analysis Algorithms for Metal Powders
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Retrospective Cardiac Gating with A Prototype Small-Animal X-ray Computed Tomograph
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科学领域:

  • 医疗成像医学成像
  • 辐射物理学 辐射物理学

背景情况:

  • 计算机断层扫描 (CT) 系统越来越多地使用光谱成型.
  • 光谱成型,或光谱过,使用材料,如锡 (Sn) 或银 (Ag) 过器.
  • 这些过器选择性地吸收低能光子,改变X射线光谱.

研究的目的:

  • 审查光谱成形在计算机断层扫描 (CT) 中的实用性.
  • 证明其在各种临床方案和情况中的有效性.

主要方法:

  • 在CT中使用锡 (Sn) 或银 (Ag) 过器进行光谱成型.
  • 使用光谱形状CT协议获取诊断图像.

主要成果:

  • 光谱形状的CT协议,特别是带有锡过器的CT协议,使诊断图像获取成为可能.
  • 观察到辐射剂量,金属文物和光子饥饿的显著减少.
  • 该技术被证明适用于广泛的诊断和干预CT成像场景.

结论:

  • 谱造型是现代CT成像中一个有价值的技术.
  • 它提高了图像质量,同时减少了辐射剂量和文物.
  • 它的多功能性使其适用于许多临床CT应用.