基于模体的乳腺X线摄影质量控制中SNR变异系数的分析

沈茜刚, 柴青焕, 姜婷婷, 沈悦, 肖勤, 顾雅佳

Analysis of variation coefficient of SNR in phantom-based mammography quality control

SHEN Xigang, CHAI Qinghuan, JIANG Tingting, SHEN Yue, XIAO Qin, GU Yajia

图2 设备和数据的纳入及排除标准流程图

Fig. 2 A flowchart for the inclusion and exclusion criteria of equipment and data