The structure method of background value in grey system GM(1,1) model is considered to have an important influence on the adaptability and precision of GM(1,1) model.
灰色GM（1，1）模型中的背景值构造法是影响模型适应性和精度的关键因素。
Taking the method of adaptive Gaussian mixture method can make model for background meanwhile it is a difficult point to maintain and update background model.
采用自适应高斯混合方法为背景建模的难点是对背景模型的维持与更新。
After a brief introduction of the background, the paper focuses on the working principle of this model, and discusses the basic design method of client and server applications in a form of algorithm.
本文在简单介绍提出这种模型的背景之后，着重论述了它的基本工作原理，并以算法的形式讨论了客户程序和服务器程序的基本设计方法。
应用推荐