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A multipurpose numerical method for imaging studies and tomographic reconstruction
Journal of Instrumentation ( IF 1.3 ) Pub Date : 2024-03-13 , DOI: 10.1088/1748-0221/19/03/c03032
A. Celora , F. Guiotto , F. Caruggi , G. Croci , G. Gorini , G. Grosso , Z. Hu , E. Lazzaro , G. Marcer , M. Nocente , O. Putignano , J. Scionti , F. Scioscioli , M. Tardocchi , A. Muraro

A multipurpose software, called Revolt, has been developed to fully exploit the imaging capabilities of Triple-GEM 2D cameras for X-rays and neutrons detection. Both tomographic inversion techniques and synthetic data production methods are based on the modeling of a transport matrix between the 2D spatially resolved signal on a detector and the 3D signal emission in the experimental space. The core task of the Revolt software is to provide a transport matrix between the two quantities via a numerical-geometrical approach. The method is based on the analytical evaluation of detector pixels Line Of Sight generated via a Monte Carlo method to include obstacle shading on the detector image. The Revolt implementation and validation are described in this work, which provides a solid base for future application of tomographic inversion techniques in the context of fusion plasma physics.

中文翻译:

用于成像研究和断层重建的多用途数值方法

我们开发了一款名为 Revolt 的多用途软件,以充分利用 Triple-GEM 2D 相机的成像功能进行 X 射线和中子检测。层析成像反演技术和合成数据生成方法均基于探测器上的 2D 空间分辨信号与实验空间中的 3D 信号发射之间的传输矩阵建模。 Revolt 软件的核心任务是通过数值几何方法提供两个量之间的传输矩阵。该方法基于通过蒙特卡罗方法生成的探测器像素视线的分析评估,包括探测器图像上的障碍物阴影。这项工作描述了 Revolt 的实现和验证,为未来在聚变等离子体物理背景下应用层析成像反演技术提供了坚实的基础。
更新日期:2024-03-13
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