Evaluation of the single scatter simulation algorithm implemented in the STIR library
Evaluation of the single scatter simulation algorithm implemented in the STIR library
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STIR 库中实现的单散射模拟算法的评估
DOI：
10.1109/nssmic.2004.1466455
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
K. Thielemans
中科院分区：
文献类型：
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作者：
C. Tsoumpas;P. Aguiar;K. Nikita;D. Ros;K. Thielemans
基于模型的单散射模拟（SSS）算法已在称为STIR（断层图像重建软件）的开源软件库中实现。SSS算法的主要优点是在小的计算时间内具有良好的精度。目前的工作的目的是验证我们的实施和调查的影响，几个参数。验证测试是基于NEMA-NU 2001标准的散射精度。我们的实施结果进行了比较，从SimSET Monte Carlo模拟包的数据和测量数据。我们的代码的灵活性可以帮助我们理解算法的许多参数的影响，以便可以针对给定的时间约束找到最佳值，例如检测器采样和透射图像的体素大小。该实现将包含在STIR的未来发行版中。
The model-based single scatter simulation (SSS) algorithm has been implemented in the Open Source software library called STIR (Software for Tomographic Image Reconstruction). The main advantage of the SSS algorithm is its good accuracy at small computational time. The aim of the current work is to validate our implementation and to investigate the influence of several parameters. The validation tests are based on the NEMA-NU 2001 standard about scatter accuracy. The results of our implementation are compared both with data from the SimSET Monte Carlo simulation package and with measured data. The flexibility of our code can help us to understand the influence of many parameters of the algorithm, such that optimal values can be found for given time constraints, as for example are the detector sampling and the voxel size of the transmission image. This implementation will be included in future distributions of STIR.