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CLC number: TN911.73
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Received: 1999-12-28
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A MODEL BASED ALGORITHM FOR FAST DPIV COMPUTING
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CHEN Tian-ding, LI Hong-dong, LIU Ji-lin, GU Wei-kang. A MODEL BASED ALGORITHM FOR FAST DPIV COMPUTING[J]. Journal of Zhejiang University Science A, 2001, 2(1): 46-50.
@article{title="A MODEL BASED ALGORITHM FOR FAST DPIV COMPUTING",
author="CHEN Tian-ding, LI Hong-dong, LIU Ji-lin, GU Wei-kang",
journal="Journal of Zhejiang University Science A",
volume="2",
number="1",
pages="46-50",
year="2001",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2001.0046"
}
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%A LI Hong-dong
%A LIU Ji-lin
%A GU Wei-kang
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2001.0046
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A1 - CHEN Tian-ding
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A1 - GU Wei-kang
J0 - Journal of Zhejiang University Science A
VL - 2
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SP - 46
EP - 50
%@ 1869-1951
Y1 - 2001
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2001.0046
Abstract: Traditional DPIV (Digital Particle Image Velocimetry) methods are mostly based on area-correlation (Willert,C.E.,1991). Though proven to be very time-consuming and very much error prone, they are widely adopted because of they are conceptually simple and easily implemented, and also because there are few alternatives. This paper proposes a non-correlation, conceptually new, fast and efficient approach for DPIV, which takes the nature of flow into consideration. An Incompressible Affined Flow Model (IAFM) is introduced to describe a flow that incorporates rational restraints into the computation. This IAFM, combined with a modified optical flow method-named Total optical flow Computation (TOFC), provides a linear system solution to DPIV. Experimental results on real images showed our method to be a very promising approach for DPIV.
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