CASIA OpenIR  > 中国科学院分子影像重点实验室
基于有限角度扫描的光声断层成像装置及方法
田捷; 刘学彦; 彭冬; 马喜波; 杨鑫
2012-07-26
Date Available2012-10-17
CountryCN
Subtype发明
Abstract本发明涉及光声成像技术领域,公开了一种基于有限角度扫描的快速光声断层成像装置及方法,采用脉冲激光入射到成像样品产生光声信号,通过单元超声探测器在圆弧上有限位置采集光声信号,经信号放大器放大后,输入A/D转换器将声信号转化为电信号,最后传输到示波器完成数字信号采集;将成像样品光声信号输入计算机,计算机将光声信号进行滤波和傅里叶变换处理,根据实验条件提取光声信号频域信息,构建前向投影算子和测量矩阵,计算机基于快速稀疏算法对信号重建成像。本发明具有信号采集时间短,重建速度快,操作方便,适应性和扩展性好等优点。
Copyright Date2014-11-05
Patent NumberCN201210262846.3
Status授权
Document Type专利
Identifierhttp://ir.ia.ac.cn/handle/173211/8686
Collection中国科学院分子影像重点实验室
Affiliation中国科学院自动化研究所
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
田捷,刘学彦,彭冬,等. 基于有限角度扫描的光声断层成像装置及方法. CN201210262846.3[P]. 2012-07-26.
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