两种基于对象的嵌入式小波图像编码算法比较分析  

Comparison and analysis on two kinds of object-based embedded wavelet image coding algorithms

作　　者：陈思佳[1] 苏红旗[2] 马山 

机构地区：[1]山东工商学院计算机基础教学部,山东烟台264005 [2]中国矿业大学机电与信息工程学院,北京100083 [3]烟台华东电子软件技术有限公司软件部,山东烟台264000

出　　处：《计算机辅助工程》2008年第2期61-65,共5页Computer Aided Engineering

摘　　要：为进一步研究现有基于对象的图像压缩技术,介绍两种基于对象的嵌入式小波图像编码算法——基于对象的集合分裂嵌入块(Object-Based SetPartitioned Embedded bloCK,OB-SPECK)编码算法和基于k-d树的二元集合分裂(Binary Set Splitting with k-d trees,BISK)编码算法,并进行比较分析.结果表明两种算法在集合分裂方案、对透明因数的处理方法及算法复杂度上有不同之处.在Matlab中进行的仿真实验表明,在对任意形状对象进行编码时,BISK编码算法在算法性能和图像压缩质量上较OB-SPECK编码算法更优.To further study the existing object-based image compression technique, Object-Based Set Partitioned Embedded bloCK（OB-SPECK） coding and Binary Set Splitting with k-d trees（BISK） coding are introduced, which are object-based embedded wavelet image coding algorithms. The two algorithms are compared and the results indicate that there are differences on set partitioned scheme, the methods on processing transparent areas and algorithm complexity between the two algorithms. The simulative experiment is done by Matlab, and it is shown that BISK has higher performance and better image compression quality than OB-SPECK.

关 键 词：图像压缩 嵌入式小波图像编码 集合分裂嵌入块编码 二元集合分裂编码 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]