Three-dimensional shape detecting device, three-dimensional...

Optics: measuring and testing – Shape or surface configuration – Triangulation

Reexamination Certificate

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C356S601000, C356S603000

Reexamination Certificate

active

07372580

ABSTRACT:
In a three-dimensional shape detecting system comprising a three-dimensional shape detecting device and an external calculating device, the three-dimensional shape detecting device includes: projection means which projects pattern light onto a subject; image data obtaining means which captures a pattern light projection image of the subject and thereby obtains image data of the pattern light projection image while capturing a pattern light non-projection image of the subject and thereby obtaining image data of the pattern light non-projection image; pattern light position extraction means which extracts a position of the pattern light projected on the subject based on the obtained image data; and three-dimensional shape calculation means which figures out three-dimensional shape data of the subject based on the position of the pattern light extracted by the pattern light position extraction means.

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