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An HMM Training Algorithm Based on Multiple Observations
Author(s): 
Pages: 41-43
Year: Issue:  3
Journal: Journal of Hubei Engineering University

Keyword:  隐马尔可夫模型训练算法多观察序列训练;
Abstract: 特征独立假设被认为是隐马尔可夫模型方法的主要缺陷之一.文章研究了基于多观察序列的HMM训练算法.在该算法中,我们将多观察序列的条件概率表示成各观察序列概率的组合,避免了直接计算多观察序列条件概率的困难,与经典的HMM训练算法相比较,既考虑了训练序列之间的相关性,又不增加计算量.文章还证明经典的HMM训练算法可以由该算法导出.
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