目 录
第 1 章 引 言 .........................................................................................................1
1.1 图像压缩的课题来源与发展现状 ...................................................................................1
1.1.1 课题来源 .....................................................................................................................................1
1.1.2 发展现状 .....................................................................................................................................2
1.2 论文结构 ...........................................................................................................................3
第 2 章 数字图像概述与图像压缩评价标准 .........................................................4
2.1 数字图像文件存储 ...........................................................................................................4
2.2 数字图像的文件格式 .......................................................................................................4
2.3 图像压缩的评价标准 .......................................................................................................5
2.3.1 客观保真度准则 .........................................................................................................................5
2.3.2 主观保真度准则 .........................................................................................................................6
第 3 章 预测编码 .....................................................................................................7
3.1 脉冲编码调制 ...................................................................................................................7
3.2 差分脉冲编码调制 ...........................................................................................................8
第 4 章 AR 模型 ....................................................................................................10
4.1 时间序列的概率模型 .....................................................................................................10
4.1.1 时间序列的参数表征 ...............................................................................................................10
4.1.2 平稳过程 ...................................................................................................................................11
4.1.3 纯随机过程 ...............................................................................................................................11
4.1.4 自回归过程(AR 模型) ..............................................................................................................11
4.2 AR 模型的参数估计........................................................................................................12
4.2.1 AR 模型参数的最小二乘估计..................................................................................................12
4.2.2 AR 模型参数估计的格型算法..................................................................................................13
4.2.3 AR 模型阶数 p 的确定..............................................................................................................17
第 5 章 算术编码 ...................................................................................................19
5.1 一般算术编码 .................................................................................................................19
5.1.1 算术编码过程 ...........................................................................................................................19
