Patent ID: 11893735
Assignee: FUJIFILM CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A similarity determination method for determining a similarity between a first medical image and a second medical image, the method comprising:
classifying each pixel of the first medical image into at least one of a plurality of types of findings;
deriving a first feature amount for each finding classified in the first medical image;
setting a weighting coefficient indicating a degree of weighting, which varies depending on a size of each finding, for each finding classified in the first medical image;
deriving the similarity between the first medical image and the second medical image by performing a weighting operation for the first feature amount for each finding derived in the first medical image and a second feature amount for each finding derived in advance in the second medical image on the basis of the weighting coefficient; and
deriving a higher similarity in a case that a first finding of findings having a relatively large size derived from a first image as the first medical image becomes larger than the first finding of findings having a relatively small size derived from a second image as the first medical image.