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在CBCT中通过新的网格设计纠正散射

Han Cui1, Ting Su1, Xin Zhang1

  • 1Research Center for Advanced Detection Materials and Medical Imaging Devices, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, People's Republic of China.

Physics in medicine and biology
|July 24, 2024
PubMed
概括

一种新的半反散射网格 (h-ASG) 方法快速纠正圆束CT (CBCT) 成像中的康普顿散射. 这种方法可以从单个扫描中估计散射,显著减少文物并提高图像质量.

关键词:
在CBCT成像中使用CBCT成像.这是一个反散射网格.平面面板探测器的检测器分散的纠正纠正分散的纠正.

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Adjusting a Traverse01:12

Adjusting a Traverse

In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
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