Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
An Acceleration of the Correlation Coefficient Calculation using Two Dimensional Zigzag Tracing
Hirokazu UETSUHirotaka NAKAGAWATakashi KAMBE
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2008 Volume 21 Issue 1 Pages 18-27

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Abstract

Particle tracking technology is one of the most promising methods for the measurement of the velocity fluctuation of flows. It consists of the particle mask correlation (PMC) method and the KC method. The correlation coefficient calculation has the largest computational overhead in the PMC method. In this paper, a hardware of the correlation coefficient calculation is designed and accelerated by the zigzag tracing, the modification of the correlation coefficient equation, and parallel processing. The processing speed and circuit size of the design are evaluated.

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