| 摘要 |
A method of taking an image of a convex projection which projects from a plane and whose outer surface has a gloss, including the step of emitting, toward the outer surface of the convex projection, a plurality of lights in a plurality of directions, respectively, which differ from each other as viewed in a direction perpendicular to the plane, so that a plurality of base portions of the outer surface of the convex projection which face the plurality of lights, respectively, and each of which is adjacent to the plane are lighter than a remaining portion of the outer surface as viewed in the direction perpendicular to the plane, and the step of taking, using an image taking device, the image of the convex projection as viewed in the direction perpendicular to the plane.
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