MEDICAL SYNONYM DICTIONARY CREATING APPARATUS AND MEDICAL SYNONYM DICTIONARY CREATING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a medical synonym dictionary creating apparatus for creating medical synonym dictionary by correctly evaluating the similarity of an image with respect to an image reading report.SOLUTION: A synonym decision section 120 (i) determines whether or not a pair of keywords is a pair of synonyms based on an image reading report; (ii) performs a weighting on a feature quantity of each image calculated from a medical image as a base for creating a keyword constituting the pair of keywords based on a piece of binomial relation information prescribing the relevance between the feature quantity and the keyword of each image, creates an image feature quantity vector of each keyword having weighted image feature quantity as an element, compares two image feature quantity vectors with respect to the keyword pair to determine whether the keyword pair is the pair of synonyms; and (iii) when both of the two determination results are pairs of synonyms, determines the keyword pair selected by a keyword pair selection section as synonyms.