针对目标检测过程中的背景变化、光照变化、阴影对检测的影响，提出了一种改进的运动目标检测算法。首先利用改进的统计方法建立了目标的背景模型，并实时地对背景模型进行更新，最后将检测出的目标采用融合HSV颜色信息和纹理特征的混合高斯阴影模型方法来去除阴影。实验结果证明,该算法在场景中有目标运动的情况下，能够准确地建立背景模型，并能去除阴影影响，大大提高了系统的检测准确性。
 

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