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Study on subset size selection in digital image correlation for speckle patterns

โœ Scribed by Pan, Bing; Xie, Huimin; Wang, Zhaoyang; Qian, Kemao; Wang, Zhiyong


Book ID
115409183
Publisher
Optical Society of America
Year
2008
Tongue
English
Weight
518 KB
Volume
16
Category
Article
ISSN
1094-4087

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Study of optimal subset size in digital
โœ Sun Yaofeng; John H.L. Pang ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 639 KB

This paper investigates the effect of subset size, associated with image pattern quality and subset displacement functions, on the accuracy of deformation measurements by digital image correlation(DIC). A concept of subset entropy is introduced in this work to quantify the subset image pattern quali