中文说明：可以求出图片的光流，只要填入两幅图片（可以是.jpg、.bmp、.bif等格式的图片），就可以求出光流，即运动的那部分。
English Description：
Optical flow can be found pictures, just fill in the two pictures (which can be a. jpg,. bmp,. BIF formats such as images), you can find the optical flow, namely that part of the campaign.