【作者】 李宏云；

【Author】 LI Hong-yun (Northwest Institute of Nuclear Technology,Xi’an of Shaanxi Prov.710024,China)

【机构】 西北核技术研究所；

【摘要】 介绍了针对德国FRM-Ⅱ研究堆冷中子照相设施层析数据处理流程及优化工作。在优化之前的串行处理中,每个处理步骤都需要人工干预,占用计算机及网络资源过多,处理时间为6～8 h。通过改进的旋转轴配准算法可以自动确定旋转轴,实现了数据处理过程的全自动化;通过在图像数据采集阶段引入流水预处理以及在重建阶段实现分布式处理,可以将一套数据的处理时间缩短到约30 min。更多还原

【Abstract】 Optimization of data processing of neutron tomography at the research reactor FRM-Ⅱ,Germany,was reported.In the serial processing before optimization,operator’s inputs were needed for each step.It took too much computer and network resources.6～8 hours were needed for the processing of a typical data set.The rotational axis was found automatically with the improved algorithm,which makes the processing fully automatic.By introducing stream line pre-processing during data acquisition,and implementing distributed reconstruction,the processing time of a tomography data set was reduced to about 30 minutes.更多还原