目 录
第 1 章 绪 论 .........................................................................................................1
1.1 图像变换编码概述及目前状况 ...........................................................................................1
1.2 论文结构 ...............................................................................................................................2
第 2 章 MATLAB 简介 ...........................................................................................3
2.1 MATLAB 的发展简史 ..........................................................................................................3
2.2 MATLAB 的特点 ..................................................................................................................3
2.2.1 MATLAB 的功能.................................................................................................................................3
2.2.2 MATLAB 的技术特点.........................................................................................................................4
2.3 MATLAB 图像类型 ..............................................................................................................5
2.4 GUI.........................................................................................................................................5
第 3 章 变换编码 .....................................................................................................7
3.1 变换编码的一般形式与意义 ...............................................................................................7
3.2 基本原理 ...............................................................................................................................7
3.2.1 正交变换的去相关性..........................................................................................................................8
3.2.2 变换编码性能判断..............................................................................................................................9
3.2.3 变换编码的特点................................................................................................................................11
3.3 最佳正交变换——K-L 变换..............................................................................................11
第 4 章 JPEG 图像压缩.........................................................................................13
4.1 JPEG 概述............................................................................................................................13
4.2 JPEG 图像编码算法的实现................................................................................................14
4.2.1 离散余弦编码.....................................................................................................................................14
4.2.2 量化....................................................................................................................................................15
4.2.3 编码.....................................................................................................................................................16
4.2.4 JPEG 图像数据压缩发展 ..................................................................................................................19
第 5 章 MATLAB 仿真 .........................................................................................21
5.1 系统模块图 .........................................................................................................................21
5.2 JPEG 压缩编码的设计流程................................................................................................21
