After your code has walked through the complete chain of linked dependencies, you can represent it visually using a tree viewer.

在代码遍历完整个链接依赖性链之后，我们就可以使用一个树视图来直观地将其表示出来。

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Algorithms are proposed for tracing boundary and extracting vertex chain code and obtaining the tree structure of contours from 8-adjacent and 4-adjacent images.

分别就八近邻图像和四近邻图像给出了边界跟踪、顶点链码抽取及围线树结构的生成算法。

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