A computer-aided visualization method for flow analysis

被引：11
|
作者：
Bizjan, Benjamin [1 ,4 ]
Orbanic, Alen [1 ,2 ,3 ]
Sirok, Brane [4 ]
Kovac, Bostjan [1 ]
Bajcar, Tom [4 ]
Kavkler, Iztok [1 ,2 ]
机构：
[1] Abelium Doo, Ljubljana 1000, Slovenia
[2] Inst Math Phys & Mech, Ljubljana 1000, Slovenia
[3] Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia
[4] Univ Ljubljana, Fac Mech Engn, Ljubljana 1000, Slovenia
来源：
FLOW MEASUREMENT AND INSTRUMENTATION | 2014年 / 38卷
关键词：
Advection-diffusion equation; Computer-aided visualization; Dense flow field; Image velocimetry; Optical flow; OPTICAL-FLOW;
D O I：
10.1016/j.flowmeasinst.2014.05.017
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper presents a non-contact method for velocity field calculation from a series of images containing illuminated planar layer of fluid with a pollutant mixed in. Velocity field is calculated using a model similar to optical flow based on the advection-diffusion equation. The model which was also implemented into our software, ADMflow, is evaluated on different sets of synthetic images. Calculated velocity fields are in a good agreement with the true velocity fields, mostly deviating by less than 10% in magnitude and 1 degrees in flow direction. (C) 2014 Elsevier Ltd. All rights reserved.
引用
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页码：1 / 8
页数：8
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