針對交叉熵閾值法的時間復雜性過大的不足,提出了基于目標函數最優化原理的交叉熵分割準則的快速迭代算法。大量的實驗結果表明,提出的快速迭代算法是有效的。 【英文摘要】 Considering that thresholding method based on mutual entropy has shortage of bigger time complexity,this paper puts forward the rapid iterating algorithm of segmentation criterion based on the principle of objective function optimization.Large numbers of experimenual results show that the rapid iterating algorithm proposed in this paper is feasible.