| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize a mechanism of a light projection part irradiating a plurality of different spatial indexes and to miniaturize a three-dimensional shape information acquisition system. SOLUTION: By irradiating an object 2 with a luminous flux to which the spatial index is imparted from the light projection part 1 and analyzing an image of the object 2 photographed by an imaging unit 3, three-dimensional information of the object 2 is acquired. The light projection part 1 is constituted of a light transmission filter where a plurality of areas for generating the different spatial indexes are formed and a transmission area selection means for selectively emitting the luminous flux from a part of the area of the light transmission filter and the light projection part 1 is miniaturized.
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