数字图像处理|Matlab-数字图像编码实验-有损压缩/压缩算法实验-JPEG编码压缩

上传者: 43571150 | 上传时间: 2019-12-28 17:32:15 | 文件大小: 1.28MB | 文件类型: zip
查阅JPEG编码的有关资料,对图像进行JPEG压缩,算法步骤必须包括如下几个部分:图像分块,离散余弦变换,量化,ac和dc系数的Z字形编排。
问题1: 质量因子分别选为20,60,80,对比显示原图与不同质量因子下解码后的图像;
问题2: 记录图像大小、压缩比、均方根误差;对结果进行分析。

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