Patent ID: 11857357
Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 18:
19. A system, comprising:
at least one storage device storing executable instructions for single-photon emission computed tomography (SPECT) imaging; and
at least one processor in communication with the at least one storage device, wherein when executing the executable instructions, the at least one processor is configured to cause the system to perform operations including:
obtaining a first projection data set associated with a first portion of photons each of which having a first energy, and a second projection data set associated with a second portion of photons each of which having a second energy, wherein the first portion of photons and the second portion of photons are collimated by a first set of first pinholes and a second set of second pinholes of a collimator of a SPECT device, each second pinhole of the second set of second pinholes being equipped with a filter, the first set of first pinholes and the second set of second pinholes being arranged on a same plane of the collimator; and
generating an image based on the first projection data set and the second projection data set.