Patent · US Active

Systems and methods for image correction in positron emission tomography

US11501473B2 · kind B2 · utility

2Cited by

0References

20Claims

0Family size

Assignee

Shanghai United Imaging Intelligence Co., Ltd. · CN

Inventors

Yang Zhang · San Diego, US
Yang LYU · Shanghai, CN
Chen Xi · Shanghai, CN

Key dates

Filing date	Dec 27, 2019
Grant date	Nov 15, 2022
Priority date	—
Expiry date	Jan 19, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG06T2211/464
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

System for image correction in PET is provided. The system may acquire a PET image and a CT image of a subject. The system may generate, based on the PET image and the CT image, an attenuation-corrected PET image of the subject by application of an attenuation correction model. The attenuation correction model may be a trained cascaded neural network including a trained first model and at least one trained second model downstream to the trained first model. During the application of the attenuation correction model, an input of each of the at least one trained second model may include the PET image, the CT image, and an output image of a previous trained model that is upstream and connected to the trained second model.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.