jpeg图像压缩

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1、基于DCT的图像压缩技术研究与仿真目录摘要...............................................IABSTRACT............................................II前言.................................................11图像压缩编码.........................................21.1数字图像处理.....................................

2、.................21.2图像压缩编码的发展、现状及前景....................................21.3图像压缩编码的必要性和可能性......................................31.4图像压缩编码的方法................................................31.4.1图像压缩编码方法的简介.................................................31.4.2无损压缩.....

3、...........................................................41.4.3有损压缩................................................................61.5处理后图像性能的衡量指标..........................................72离散余弦变换DCT......................................82.1DCT的基本原理..................

4、..................................82.2DCT的定义........................................................82.3DCT的算法........................................................92.4DCT变换矩阵方法与基于FFT的快速算法DCT的比较...................102.52D-DCT与2D-FFT的比较..................................

5、.........142.6各种正交变换的比较...............................................152.7DCT的研究展望...................................................163DCT图像压缩........................................19Ⅰ基于DCT的图像压缩技术研究与仿真3.1DCT图像压缩的原理...............................................193.2D

6、CT图像压缩的模型...............................................203.3DCT图像压缩的方法...............................................203.4DCT系数的量化...................................................233.5ZIG-ZAG扫描......................................................253.6基于DCT编码的新进展....

7、.........................................263.6.1RS-DCT编码的进展......................................................273.6.2整型DCT编码的进展.....................................................273.6.3若干改进的DCT编码比较................................................284仿真及分析............

8、.............................294.1DCT图像压缩.....................................................294.2DCT与DWT的比较.