3-D measurement of moving particles by circular image shifting

被引：5
|
作者：
Kawasue, K
Ishimatsu, T
机构：
[1] Sasebo National College of Technology, Sasebo
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 1997年 / 44卷 / 05期
关键词：
fluid flow measurement; machine vision; mirrors; motion measurement; particle tracking; pattern recognition; stereo vision;
D O I：
10.1109/41.633475
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new approach to the three-dimensional (3-D) measurement of position and velocity of moving particles is introduced, A single TV camera with an apparatus to add circular shift to the image enables us to record the 3-D movement of particles as spiral streaks on a single image, Every shape of the spiral streak on the image plane is related to the position and the velocity of the individual particle, The information about 3-D movement of particles is extracted from the image using an image processing technique, We applied the technique to the measurement of the 3-D water-flow field seeded with tracer particles in a test tank and obtained satisfactory results.
引用
收藏
页码：703 / 706
页数：4
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