2.6. Image Reconstruction

In the control group, the raw data of each patient were input for editing reconstruction using HCR algorithm or MCR algorithm, respectively. In the HCR subgroup, the heartbeat data acquired at one heartbeat were used for data reconstruction, and in the MCR subgroup, all heartbeat data acquired were used for reconstruction. The reconstruction parameters are as follows: slice thickness 0.5 mm, slice interval 0.25 mm, and transmit the best phase image data to the image post-processing workstation (Vitrea FX 6.7.3, vitalexend). The images of volume rendering (VR), maximum intensity projection (MIP), multiplanar reconstruction (MPR), and curved plane reconstruction (CPR) were made by vascular analysis software. In the experimental group, the optimal phase image data were imported into the AI artificial intelligence analysis software CoronaryDoc from Shukun (Beijing) Network Technology Co., Ltd., which automatically generated the images required for the diagnosis such as cardiovascular VR, MIP, MPR, CPR, and so on.