The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2025
Filed:
Dec. 08, 2020
Shenzhen Institutes of Advanced Technology, Shenzhen, CN;
Zhanli Hu, Shenzhen, CN;
Hairong Zheng, Shenzhen, CN;
Dong Liang, Shenzhen, CN;
Yongfeng Yang, Shenzhen, CN;
Xin Liu, Shenzhen, CN;
Yingjie Xu, Shenzhen, CN;
SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY, Shenzhen, CN;
Abstract
A low-dose PET image restoration method and system, a device, and a medium are provided. The method includes: S1, performing blocking processing on a training image comprising a low-dose PET image, an MR image, and a standard-dose PET image to obtain a first patch, and performing first preprocessing on the first patch to obtain a second patch; S2, obtaining, according to the second patch, a first joint dictionary by means of sparse coding and dictionary updating; and S3, restoring the low-dose PET image to a restored image of the standard-dose PET image according to the first joint dictionary.