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RANGE FINDING DEVICE, RANGE FINDING SYSTEM, AND RANGE FINDING METHOD
RANGE FINDING DEVICE, RANGE FINDING SYSTEM, AND RANGE FINDING METHOD
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机译:范围寻找装置,范围寻找系统和范围寻找方法
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摘要
PROBLEM TO BE SOLVED: To accurately measure a distance with respect to a wider depth range even when a subject has a poor pattern region.;SOLUTION: A range finding device includes: image pickup means for acquiring first and second images of a subject to which pattern illumination with a plurality of wavelengths and projection focus points different from wavelength to wavelength is projected; and calculation means for determining a distance value on the basis of the first and second images.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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