Patent ID: 11915347
Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC A  G

Claim 5:
6. The method of claim 1, wherein the determining a plurality of cardiac motion parameters corresponding to at least a portion of the plurality of cardiac motion phases based on the plurality of projection data includes:
for each cardiac motion phase of the at least a portion of the plurality of cardiac motion phases,
determining a set of initial cardiac images of interest based on the one or more cardiac images of the each cardiac motion phase, an average cardiac rate, and a standard deviation of cardiac rates;
extracting one or more vascular images of interest of the at least a portion of the plurality of cardiac motion phases from the set of initial cardiac images of interest; and
determining the cardiac motion parameter corresponding to the each cardiac motion phase based on the one or more vascular images of interest.