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허은창(Eun-Chang Heo),김세헌(Se-Heon Kim),권용관(Yong-Kwan Kwon),김원일(Won-Il Kim),김병창(Byoung-Chang Kim) 한국기계가공학회 2007 한국기계가공학회 춘추계학술대회 논문집 Vol.2007 No.-
In this paper, we present a method of non-contact 3-D profile measurement to obtain the xyz-coordinates of precision optical components like free-form surface lens and mirrors ,which have been used on a technology-intensive industry. This method of surface profile measurement is using curvature sensor which measures the local curvature under test by using White-light scanning interferometry. The measurement results proved that the proposed method is well suited for the free-form surface.
허은창(Eun-Chang Heo),권민철(Min-Chul Kwon),김원일(Won-Il Kim),김병창(Byoung-Chang Kim) 한국기계가공학회 2008 한국기계가공학회 춘추계학술대회 논문집 Vol.2008 No.-
In heavy industry, 3D surface measurement of large-scale hull pieces is needed for fabrication and assembly. Until now, there is not such an efficient method as a standard ruler on 3D profile measurement of large-scale curvature plates. We suggest an efficient method of 3D profile measurement to obtain the xyz-coordinates of curvature plates. The measurement system comprises multiple line structured laser sources and performs profile measurement by projecting structured light source on the object surface.