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20 March 1997 New digital speckle intensity correlation search technique
Hengwen Yu, Xiaoping Wu, Xide Li
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Proceedings Volume 2921, International Conference on Experimental Mechanics: Advances and Applications; (1997) https://doi.org/10.1117/12.269881
Event: International Conference on Experimental Mechanics: Advances and Applications, 1996, Singapore, Singapore
Abstract
In this paper, a new digital speckle intensity correlation searching technique which is named as 'differential oriented search' is proposed. This method effectively makes use of the distribution characteristics of the correlation functions, which makes the calculating time be considerably reduced. Experimental results shows that, the method presented here is a kind of high speed, high accurate and practical correlation metrology.
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Hengwen Yu, Xiaoping Wu, and Xide Li "New digital speckle intensity correlation search technique", Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); https://doi.org/10.1117/12.269881
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KEYWORDS
Correlation function
Speckle
Metrology
Image filtering
Error analysis
Image storage
Software
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