| 摘要 |
Microcalcification patterns within images are more accurately detected. A candidate point extracting means extracts candidate points for calcification points from an image. A first removal means performs judgment regarding whether the candidate points are calcification points or noise, based on first characteristic amounts that focus on the calcification points themselves, and based on second characteristic amounts that focus on the vicinities of calcification points. Candidate points which are judged to be noise components are removed. A second removal means performs judgment regarding whether the candidate points, which remain after the removal process by the first removal means, are calcification points or noise, based on third characteristic amounts that focus on cluster regions of calcification points. Cluster regions formed of noise components are removed, and a detecting means 240 detects the remaining cluster regions as microcalcification patterns.
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