...隐马尔可夫树模型；四叉树模型；图像分割 [gap=1005]Keywords : Image de-noising； Pulse Coupled Neural Networks (PCNN)； Model of Hidden Markov Tree； the model of quadtree； Image segmentation ..
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The statistics modeling method of underwater noise signal is studied. The hidden Markov tree model in wavelet domain is adopted to model the sea noise and various ship-radiated noise.
研究了基于小波域多尺度树结构的水下噪声信号统计概率模型的建模方法。
Concerning the difficulties in part-of-speech tagging in English present participle, the authors analyzed the drawbacks of Hidden Markov Models (HMM) and proposed Bayesian decision tree model.
针对英文现在分词词性标注这一特定问题存在的难点分析了隐马尔可夫模型(HMM)的不足，提出了贝叶斯决策树模型。
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