基于自适应提升小波变换的图像压缩(英文)

被引:8
作者
丁绪星
朱日宏
李建欣
机构
[1] 南京理工大学电光学院
关键词
自适应小波变换; 中值滤波; 图像压缩; 提升格式;
D O I
暂无
中图分类号
TN919.81 [图像编码];
学科分类号
摘要
介绍一种用基于提升算法的中值滤波构造自适应小波变换方法 其思想是设计自适应的“预测算子”及自适应的“更新”运算以更好的逼近信号 ,从而达到更“紧凑”的信号表示 实验表明 ,在图像压缩应用中 ,在峰值信噪比 (PSNR)上 ,虽然本文算法比不上D9/7小波 ,但在主观评价上更好
引用
收藏
页码:225 / 228
页数:4
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