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基于局部空间自适应MRF模型的图像分割

, PP. 889-894

Keywords: 图像分割,自适应马尔可夫随机场,循环置信度传播,参数估计

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Abstract:

针对固定参数的点对马尔可夫随机场(PairwiseMRF)模型不能充分描述图像丰富的统计特征的问题,在研究PairwiseMRF模型的基础上,提出一种自适应分割算法.该算法首先建立一种空间自适应的局部区域MRF分割模型,并对局部区域的先验知识进行自适应估计;然后通过局部收敛的循环置信度传播(LBP)算法最大化自适应MRF模型的全局后验概率.实验结果表明所提出算法具有较好的分割结果.

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