分水岭算法后，会出现过分割现象，这就需要进行区域合并，而进行区域合并前很重要的事计算RAG（区域连接图），区域邻接图的合并规则，在进行区域合并时可以使用，希望对大家有用-region merging for region adjecent gragh，might it be help for you.
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