The OpenCV "Video Surveillance" facility, also called "blob tracker" through much of the code, is a simple but practical facility intended to track moving foreground objects against a relatively static background. Conceptually it consists of a three-

OpenCV实现静止背景下运动目标的检测,通过背景差法检测出运动的目标。-OpenCV implementation static background moving target detection by background subtraction method to detect moving targets.