Patent ID: 11893738
Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A system comprising:
at least one storage including a set of instructions or programs;
at least one processor configured to communicate with the at least one storage, wherein when executing the set of instructions or programs, the at least one processor is directed to:
determine a first region of interest (ROI) in a first image and a second ROI in a second image;
determine a first overlapping region of the first image and the second image in the first image and a second overlapping region of the first image and the second image in the second image;
determine a first intersection region of the first ROI and the first overlapping region in the first image and a second intersection region of the second ROI and the second overlapping region in the second image;
determine the first image as a reference image;
determine a first grayscale range of the first intersection region and a second grayscale range of the second intersection region;
determine a correction slope based on the first grayscale range and the second grayscale range; and
correct a grayscale of the second ROI in the second image based on the correction slope.