PPIV is a parallel software application used in Particle Image Velocimetry (PIV) analysis. The software will compute the vector field for one image pair or multiple image pairs. PPIV can run on a single desktop machine or in a cluster environment. -P

应用于检测图像边缘，引用的是MATLAB的自带函数。(The application is used to detect the edge of the image, which refers to the MATLAB's self - brought function.)