1. Department of Radiology, 900th Hospital of Joint Logistics Support Force (Formerly Fuzhou General Hospital of Nanjing Military Region), Fuzhou Fujian 350025, China|2. Department of Radiology, The Affiliated Dongfang Hospital of Xiamen University,
Fuzhou Fujian 350025, China
Abstract：Objective The automatic measurement software of signaltonoise ratio(SNR) in magnetic resonance imaging quality control test based on ACR phantom were designed, in order to improve the efficiency of SNR parameters measurement. Methods According to the image features of ACR phantom of SNR detection layer, the image preprocessing and feature extraction were compiled on MATLAB platform, and the SNR was automatically measured by software, the consistency between manual measurement method and automatic measurement method was analyzed by Bland-Altman statistical method. Results The automatic detection program based on MATLAB platform could measure SNR automatically, and it had good consistency between manual measurement method and automatic measurement method. Conclusion The automatic measurement software designed in this paper improves the efficiency of SNR measurement in MRI quality control test based on ACR phantom, and replaces mutually between manual measurement method and automatic measurement method.
付丽媛1，梁永刚1，陈佳敏1，黄志峰1，熊晖1，吴凤祥1，钟群1，肖慧1，许尚文1，陈自谦1,2. 基于ACR体模磁共振成像系统质量控制检测的信噪比自动测量研究[J]. 中国医疗设备, 2020, 35(11): 19-22.
FU Liyuan1，LIANG Yonggang1，CHEN Jiamin1，HUANG Zhifeng1，XIONG Hui1，WU Fengxiang1，ZHONG Qun1，XIAO Hui1，XU Shangwen1，CHEN Ziqian1,2. Automatic Measurement of 3NR in MRI Quality Control Test Based onACR Phantom. China Medical Devices, 2020, 35(11): 19-22.
