分形树可以便扩展成为任何逻辑树。
实验结果表明，该方法可以比较方便地生成形态逼真的三维分形树。
The experimental results show that the method can easily generate realistic three-dimensional form of fractal trees.
根据源文件的结构和描述，一个源文件被分成一些子块，形成一棵分形树。
The source document is partitioned into range-blocks according to document structure and represented as a fractal tree.
提出了一种基于自适应四叉树分形编码的数字水印技术。
This article introduces a digital watermarking technology based on adaptive quadtree fractal coding.
提出了基于四叉树分形编码的水印算法，通过在不同寻找区域中搜索最佳匹配定义域块来嵌入水印。
This paper proposes a watermarking algorithm based on quadtree fractal coding, which is to search for the optimized matched domain blocks in different regions and to embed the watermarking.
为了得到可变的位率，在分形图像压缩中经常采用四叉树分割方法。
Quadtree partitions are often used in fractal image compression to achieve variable bit rates.
对原始图像进行四叉树分形编码后，通过给定子块在不同的寻找区域中搜索其最佳匹配父块来嵌入水印。
After the original image is maked to quadtree fractal coding, we embed watermarking into it by range blocks searching its most-matched domain blocks in different search regions.
针对有限元前置处理中二维复杂域四边形网格自动剖分问题，对四叉树网格剖分算法进行了研究。
The arithmetic of quadtree mesh generation was studied in order to solve the problem of the finite element automatic quadrilateral mesh generation for a two dimensional complex region.
研究结论：分形维数很好地反映了电缆中水树劣化的程度，可以作为在线绝缘水树劣化的诊断依据。
Research conclusions:The fractal dimension provides an extremely good indication of the state of degradation, which can be used as a judgment for hot-line dielectric degradation.
理论分析和实验结果表明，相对于一般的分形及零树编码方式，在图像效果方面和压缩比上，都有很大的提高。
Theoretical analysis and experimental results presented in the paper show that there are a higher compressing rate and quality of the image than the commonly fractal an…
因此，在本文的第四章结合经典四叉树方法，提出一种基于分形维数的四叉树方法。
Hence, in chapter four, combined with traditional quad-tree image compression method, an algorithm of quad-tree image compression based on fractal dimension is proposed.
因此，在本文的第四章结合经典四叉树方法，提出一种基于分形维数的四叉树方法。
Hence, in chapter four, combined with traditional quad-tree image compression method, an algorithm of quad-tree image compression based on fractal dimension is proposed.
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