Title :
Calibration technique of PIV for distorted image using LCD
Author :
Miyazaki, Koji ; Kawasue, Kikuhito ; Tao, Li ; Ohyama, Shigeki
Author_Institution :
Univ. of Miyazaki, Miyazaki, Japan
Abstract :
In implementing the PIV (Particle Image Velocimetry), the measurement accuracy is often badly influenced by the distortion caused by the refraction depending on the shape of the water tank. In this paper, we introduce a calibration method using LCD. A waterproof LCD is placed in the water and it images a dot pattern to construct a calibration table, which can be used to eliminate distortion. The technique is applied for PIV and the results of the experiment are intruded in this paper.
Keywords :
calibration; flow visualisation; light refraction; liquid crystal displays; LCD based calibration method; PIV calibration technique; calibration table construction; distorted images; dot pattern image; measurement accuracy; particle image velocimetry; refraction induced distortion; water tank shape; waterproof LCD; Calibration; Cameras; Distortion measurement; Image converters; Layout; Lenses; Optical distortion; Optical refraction; Particle measurements; Shape measurement;
Conference_Titel :
Industrial Electronics, 2009. ISIE 2009. IEEE International Symposium on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-4347-5
Electronic_ISBN :
978-1-4244-4349-9
DOI :
10.1109/ISIE.2009.5213119
