针对在背景中检测出运动目标并实施警戒等特定提示，建立了一个人机交互界面。-For in the background to detect moving targets and the implementation of such a specific warning prompted the establishment of an interactive interface.

先介绍实现视频图像目标检测的几种算法，然后介绍一种开放源代码的计算机视觉类库OpenCV,主要阐述该类库的特点及其结构，最后通过“检测一个视频中的运动物体”这一实例探讨了使用OpenCV进行编程的方法。-First, the algorithm of target detection based on video images, and then introduced a kind of open source computer vision library OpenCV, main chara

基于OpenCV的hough变换检测图像直线,本代码能够识别焊缝跟踪功能。-OpenCV based hough transform to detect linear image, the code can identify seam tracking.