This paper presents the data structure of quadtree coding for geo graphics data.
介绍了地学图形数据的四叉树编码数据结构。
Quadtree coding is currently a valuable method in image processing and computer graphics.
四叉树编码方法是目前图象处理和计算机图形学中的一种有效方法。
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。
This article introduces a digital watermarking technology based on adaptive quadtree fractal coding.
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 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.
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。
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.
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.
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。
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