Digital image correlation involves an inverse problem: A regularization scheme based on subset size constraint
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- 作者：Qin Zhana ; Yuan Yuanb ; Xiangtao Fana ; Jianyong Huangc ; d ; hjypku@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Chunyang Xiongc ; Fan Yuand
- 关键词：Deformation measurement ; Subset size ; Inverse problem ; Regularization ; Condition number
- 刊名：Optics and Lasers in Engineering
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：81
- 期：Complete
- 页码：54-62
- 全文大小：3802 K
文摘
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A regularization scheme is proposed for subset-based DIC technique.
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Optimal regularization parameter is determined by subset size constraint.
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Numerical stability, accuracy and precision of DIC measurements are improved.