In this model, a new rule for evaluating view dependent dynamic error is adopted and the method of repairing the cracks intrinsically caused by quadtree data structure is also improved.
在该模型中，采用了一种新的与视点相依赖的动态误差度量准则，对四叉树地形模型的拼接缝消除算法进行了改进。
A pattern quadtree (PQT) data structure for representing binary images is presented.
提出了表示二值图像的模式四叉树(PQT)数据结构。
The data structure of linear quadtree coding for two-dimension graphic data is presented.
介绍了二维图形数据的线性四叉树编码数据结构。
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