Cardiac images were reconstructed with the use of C_2 (UC_2) and without (NUC_2) to create two image sets from the same patient.

• 采像后对每例原始图像分别进行使用后置滤过器C2和不使用C2的重建,得到有/无C2后处理的两组图像(UC2组和NUC2组)。