| 摘要 |
On the basis of image data obtained by image acquisition, a plurality of image data are retrieved from a database ( 20 ), which constitutes a total feature value DB, by template matching using an outline template ( 21 ). A single or a plurality of images are retrieved from the retrieved plurality of image data by template matching by using a detail template ( 22 ) having a narrower region than the outline template ( 21 ) and a high resolution.
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