The algorithm first makes a top-down coarse location using the projection analysis of the edge density graph and then makes a bottom-up precise location based on the vertical edge linkage intensity.

该算法首先通过对边缘密度图进行投影分析进行自顶向下的粗定位，然后在此基础上利用垂直边缘的连接强度进行自底向上的精确定位。

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Based on ordered tree, an algorithm for reading order detection after page top-down decomposition for constructing layout objects.

给出了版面逐层快速分解构造版面对象和基于有序树的阅读顺序确定算法。

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Based on ordered tree, an algorithm for reading order detection after page top-down decomposition for constructing layout objects is presented.

给出了版面逐层快速分解构造版面对象和基于有序树的阅读顺序确定算法。

youdao