Shape measuring method and shape measureing device
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United States of America Patent
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Nov 29, 2016
Grant Date -
Jun 4, 2015
app pub date -
Oct 12, 2012
filing date -
Oct 12, 2012
priority date (Note) -
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Abstract
The purpose of the present invention is to not only decrease the time required to detect an optical section line in an optical sectioning method but to improve precision in shape measurement of an object to be measured. In this shape measuring method, after an area dividing line is drawn in a region that includes an extracted optical section line and the region is divided into small areas, a longitudinal region is established that spreads in the up and down direction by a plurality of pixels centered around the location of the optical section line in each small area. The next image processing occurs in the whole region of the longitudinal regions.
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