抄録
In recent years in diagnostic radiology, the number of multimodality images as well as available supplemental information, including images with known diagnosis in the database, is becoming larger and larger. Therefore it is imminent to have a system that can efficiently and correctly gather the useful information as diagnostic reference. We have been investigating similarity measures and methods for similar image retrieval of breast lesions on mammograms. In this paper, a brief background and our current investigation on the method are introduced. In the second half, our recent investigation on image analysis of dental panoramic radiographs（DPRs）is introduced. Computer-aided diagnosis on DPRs can promote a supplemental screening of systemic diseases through dental clinics where DPRs are routinely obtained for dental examination purposes.
