Document Detail

Color-coded projection grating method for shape measurement with a single exposure.
MedLine Citation:
PMID:  18349920     Owner:  NLM     Status:  In-Data-Review    
A fast and efficient technique for profilometric measurement with a color-coded grating is proposed. Eight colors are used to code the grating, and each color represents only one logical state. There are 64 stripes in one period of the color grating, which is large enough for normal measurement. Compared with the previous techniques, it has the advantages of simple hardware without moving mechanical parts, single exposure for obtaining three-dimensional information, little influence from noise and from nonlinearity of the CCD camera on the measurement accuracy, and higher anti-color-blurring capability. The suggested technique is suitable for on-line inspection and dynamic measurement of moving objects.
W Liu; Z Wang; G Mu; Z Fang
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  39     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  2000 Jul 
Date Detail:
Created Date:  2008-03-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3504-8     Citation Subset:  -    
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