大尺度粒子图像测速在移动摄影中的运用研究

Study on the application of large scale particle image velocity measurement in mobile photography

大尺度粒子图像测速技术(LSPIV)主要用来处理较为复杂的地形流域相关实验,不仅能准确获取研究所需信息,还可以结合周边地形选用适宜的计算分析方法。因此,本文在明确大尺度粒子图像测速技术发展现状的基础上,运用移动摄影设备来收集观察实验所需数据,并对视频进行去抖动处理,以此保障视频图像的真实性。同时,针对去抖动的视频图像进行LSPIV流场分析,并验证去抖动处理方法的有效性,不仅能降低实验观测的操作难度,还可以在现代发展中展现出极为广泛的应用前景。

LSPIV is mainly used to deal with relatively complex terrain watershed experiments.It can not only obtain the required information accurately,but also select the appropriate calculation and analysis methods combined with the surrounding terrain.Therefore,on the basis of clarifying the development status of large-scale particle image velocity measurement technology,this paper uses mobile photography equipment to collect the data required for observation experiments,and carries out dejudge processing on video,so as to ensure the authenticity of video images.At the same time,LSPIV flow field analysis is carried out for the video images without dithering,and the effectiveness of the dithering processing method is verified.It can not only reduce the operation difficulty of experimental observation,but also show a wide range of application prospects in modern development.