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Image-Compression

于 2014-10-15 发布 文件大小:68KB
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代码说明:

  DCT变换1、 提取彩色图像,将图像大小限制为512*512*3; 2、 提取彩色图像三个颜色分量的矩阵,每个矩阵单独处理; 3、 将矩阵分为8*8的块,做DCT变换; 4、 提取每个块的一部分DCT系数做IDCT变换,显示基本图像; 5、 再提取每个块的一部分DCT系数做DCT反变换,得到增强层1,与前一次得到的数据叠加,得到质量更好的图像。 (DCT transform)

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