learningopencv中coodbook方法实现背景减除，比平均背景法优良。-The background subtraction learningopencv the coodbook methods excellent than the average background.

用于运动目标的检测，算法为图像中每一个像素点建立一个码本，每个码本可以包括多个码元。(Detection of moving targets,The algorithm establishes a codebook for every pixel in the image, and each codebook can contain multiple symbols.)