| 摘要 |
An image of a plurality of areas of which two adjacent areas have different image characteristics from each other are acquired (steps 111 through 114); the image is analyzed in light of the difference between image characteristics, for example textures, of the two adjacent areas (step 115), and information about the boundary between the two adjacent areas is obtained (step 116). And by detecting shape information and/or position information of a given image area based on the obtained boundary information, shape information, position information, optical characteristic information, etc., of the object are detected (step 117). Thus, shape information, position information, optical characteristic information, etc., of the object are accurately detected.
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