针对海事场景背景复杂、干扰大等困难，提出了改进的混合高斯背景模型及运动检测方法。
Because the marine scene is complicated and interferential, a modified mixture Gaussians approach and a moving detection method are suggested.
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。
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.
混合高斯模型是背景对消中一种非常有效的方法。
Mixture Gaussian model is one of background subtraction methods.
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