磁共振空间定位成像的实现与验证  

Implementation and verification of magnetic resonance spatial positioning imaging

作　　者：吴林 解玺洁[1,2,3] 胡霞飞 张双 张涛 WU Lin;XIE Xijie;HU Xiafei;ZHANG Shuang;ZHANG Tao(School of Life Science and Technology,University of Electronic Science and Technology of China,Chengdu 611731,China;Sichuan Key Laboratory of High-Field Magnetic Resonance Brain Imaging,University of Electronic Science and Technology of China,Chengdu 611731,China;Healthcare Security Administration of Chongqing Wulong District,Chongqing 408500,China;Organization Department of Ziyun Autonomous County Committee of Anshun,Anshun 550800,China;School of Artificial Intelligence,Neijiang Normal University,Neijiang 641112,China)

机构地区：[1]电子科技大学生命科学与技术学院,四川成都611731 [2]电子科技大学高场磁共振脑成像四川省重点实验室,四川成都611731 [3]重庆市武隆区医疗保障局,重庆408500 [4]安顺市紫云苗族布依族自治县委组织部,贵州安顺550800 [5]内江师范学院人工智能学院,四川内江641112

出　　处：《中国医学物理学杂志》2022年第10期1225-1230,共6页Chinese Journal of Medical Physics

基　　金：国家重点研发计划(2016YFC0100800,2016YFC0100802);四川省科技创新创业苗子工程重点项目(2022JDRC0134);四川省重点研发计划(重大专项)项目(2021YFSC0040);乐山市科技局重点研究项目(22GZD058);中国博士后科学基金面上项目(2020M683294);成都医学院四川应用心理学研究中心资助项目(CSXL-21103);内江师范学院科研团队项目(17TD03,2021TD02)。

摘　　要：目的:为了实现任意斜面的选择,本文提供了一种磁共振空间定位成像的实现方式。方法:通过定位线旋转绘制功能,实现任意斜面的选择。基于LaBVIEW实现了磁共振在三维空间任意方向的定位功能,在磁共振主计算机实现夹角余弦运算,在FPGA实现了矩阵运算。本文从仿真和成像实验两方面进行了定位成像功能验证。结果:首先验证了单个平面的成像结果,然后再对任意截面进行成像,从这两方面都证明了实验结果的正确性。结论:从仿真和成像实验两方面验证了本文设计的定位功能满足成像要求。Objective To propose a method for implementing magnetic resonance spatial positioning imaging at arbitrary inclined plane. Methods The positioning line rotation function was used to realize the selection of arbitrary inclined plane.The arbitrary orientation in magnetic resonance space was realized based on LabVIEW;magnetic resonance host computer did the cosine calculation of included angle;and the matrix calculation was completed in FPGA. The positioning imaging function was verified through simulation and imaging experiments. Results Both the imaging of a single plane and crosssectional imaging of arbitrary plane verified the correctness of the experimental results. Conclusion The simulation and imaging experiments prove that the positioning function designed in the study meets the imaging requirements.

关 键 词：磁共振 空间定位 旋转矩阵 LABVIEW 

分 类 号：R318[医药卫生—生物医学工程]