The Optical Flow Method Research of Particle Image Velocimetry

• DOI: 10.1016/j.proeng.2014.12.622
• Publication Date: 2015-02-14T02:53:16Z
• Authors: Wang Hongwei; Huang Zhan; Gong Jian; Xiong Hongliang
• Keywords: Optical Flow; Smoothness; Particle tracking velocimetry; Velocimetry

As a new experimental technique of aerodynamics, optical flow test gradually attracts more and attention for the advantages vector field measurement pixel scale resolution strong smoothness ability. By means scalar constraint equation combined with condition, can measure global velocity high space resolution. In this paper, theory algorithm integration minimization velocimetry were studied, an verification experiment, in which tracer particle images was acquired by speed camera calculated algorithm, completed. The result compared PIV both results significantly correlated. research shows that possesses smoothness.