Chapter 5 introduces some compress methods. And the Zerotree method is simulated.
第五章介绍了图象压缩的几类方法，详细描述并实现了零树算法。
参考来源 - 小波变换及其在图象解噪和压缩编码中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
本文首先介绍了串行嵌入式零树算法的实现过程。
First of all, how to actualize serial EZW algorithm is introduced.
结果表明，嵌入式零树算法的图像恢复效果很理想。
The result shows that the efficiency of image comeback is very well.
通过实验，该算法既能保持原有零树算法良好的压缩品质，而且也改善了图像的视觉质量。
By the tests, the improved algorithm not only bears the effective compression performance of the original zero tree algorithm, but also improves the visual quality of image.
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