UVA - 297：Quadtrees

最新推荐文章于 2021-02-09 20:41:50 发布

wingrez

最新推荐文章于 2021-02-09 20:41:50 发布

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这篇博客介绍了四叉树的概念及其在图像编码中的应用。四叉树将图像分为四个象限，通过递归划分表示不同颜色像素。艺术家使用四叉树表示黑白图像，并希望在两幅图像相加前预知新图像的黑色像素数量。博客提供了输入和输出的格式，以及示例和参考代码，帮助理解问题和解决方案。

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Quadtrees

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题目

A quadtree is a representation format used to encode images. The fundamental idea behind the quadtree is that any image can be split into four quadrants. Each quadrant may again be split in four sub quadrants, etc. In the quadtree, the image is represented by a parent node, while the four quadrants are represented by four child nodes, in a predetermined order.
Of course, if the whole image is a single color, it can be represented by a quadtree consisting of a single node. In general, a quadrant needs only to be subdivided if it consists of pixels of different colors. As a result, the quadtree need not be of un

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