CT image ring artifact correction method and system and storage medium

• Main Authors: CHEN HONGWEN, WANG HAOWEN, LING QINGQING, CUI FEIYI, HU DEBIN, QI HONGLIANG, LEE HAN-WUI, DENG SUFEN, XIA JINGTAO, WAN WEIQUAN
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

The invention discloses a CT image ring artifact correction method, a CT image ring artifact correction system and a storage medium, which are applied to the technical field of image correction and can effectively improve the quality of CT image ring artifact correction and improve the correction efficiency. The method comprises the following steps: acquiring a CT image and a projection sinogram corresponding to the CT image; the CT image comprises the ring artifact; calculating according to the projection sinogram to obtain a first detection element position; the first detection element position is the position of a detection element with inconsistent response in the projection sinogram; calculating the radius length of the ring artifact according to the first detection element position; and performing artifact correction processing on the CT image according to the radius length to obtain a CT ring artifact correction image. 本发明公开了一种CT图像环形伪影校正方法、系统及存储介质，应用于图像校正技术领域，能够有效提高CT图像环形伪影校正的质量，并提高校正效率。该方法包括获取CT图像以及所述