目录目录..................................................................................................................................................1摘要..................................................................................................................................................2Abstract.............................................................................................................................................31. 设计要求......................................................................................................................................42. JPEG 图像压缩原理.....................................................................................................................52.1 图像压缩技术简介.............................................................................................................52.2JPEG 图像压缩基本原理....................................................................................................62.1.1 颜色空间转换以及图像重量采样..........................................................................62.1.2 离散余弦变换（DCT）..........................................................................................92.2.3 系数量化................................................................................................................102.2.4 Zigzag 扫描排序....................................................................................................112.2.5 DC 系数调制编码.................................................................................................122.2.6AC 系数调制编码..................................................................................................132.2.7 霍夫曼编码............................................................................................................152.3 JPEG 压缩要求.................................................................................................................162.4 JPEG ...
