将背景减法中应用的基于像素的背景建模方法分为递归和非递归两类，分别对它们的算法进行综述，总结它们适用的场合和更新状况 并对各种算法性能从精确度、时、空复杂度3 个方面进行比较 最后对背景建模方法的发展和应用方向作总

结和展望。-Pixel－based background modeling methods which generaly used in the background subtraction are divided into two types: recursive and nonrecursive．

Firstly，the background modeling mothods are reviewed，and their possible applications and update status are summarized． Secondly，the performance of methods are compared arrording to their accuracy，time complexity and space complexity． Finally，the development and application of background modeling method are summaried and outlooked．