基于零树小波编码的医学图像压缩  

Compressing the Medical Image Based on Embedded Zerotree Wavelet

作　　者：王世刚[1] 李月卿[1] 王昌元[1] 楚存坤[1] 

机构地区：[1]泰山医学院,山东泰安271000

出　　处：《中国医学装备》2007年第7期29-32,共4页China Medical Equipment

摘　　要：目的:探讨改进的嵌入式零树小波编码算法压缩医学图像,以便应用于PACS。方法:应用嵌入式零树小波编码算法及本文提出的对其改进算法对CT医学图像压缩,并进行分析和比较。结果:改进的算法压缩医学图像取得了比原有EZW算法更好的压缩效果。结论:实验证明,本文改进的EZW算法优于嵌入式零树小波编码算法。Objectiw： The method of Compressing the Medical Image Based on Embedded Zerotree Wavelet is presented in order .to apply in PACS. Methods：To apply the Embedded Zerotree Wavelet Encoding and improved EZW in this artical to compress medical image of CT and to provide a comprarative evaluation of the improved EZW with EZW. Results： The advantage in comoression efficiency of improved EZW over EZW was obtained. Conclusion： The algorithm of the improved EZW is ascendent than EZW.

关 键 词：小波变换 图像压缩 嵌入式零树小波 

分 类 号：R814[医药卫生—影像医学与核医学]