Patent ID: 11874412
Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  A | IPC A  G

Claim 16:
17. The system of claim 15, wherein the second look up table is determined according to a scale factor determination method, the method includes:
acquiring second PET data at a plurality of time intervals;
acquiring a plurality of first normalization coefficients corresponding to the plurality of time intervals, respectively;
acquiring a plurality of second normalization coefficients corresponding to the plurality of time intervals, respectively;
reconstructing a first set of images based on the second PET data and the plurality of first normalization coefficients;
reconstructing a second set of images based on the second PET data and the plurality of second normalization coefficients;
determining a set of scale factors based on the first set of images and the second set of images; and
determining a scale factor corresponding to the first PET data based on the set of scale factors.