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JPEG图像编解码

于 2022-05-15 发布 文件大小:5.35 kB
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代码说明:

这些源码是我花了好长时间编出来的,本人实践,可用,效果不错.其中函数Zig_Zag_Scan(X,N)实现Zigzag扫描;Get_DCT_Qualification(X,N)对图像进行DCT及量化运算(量化系数在.mat文件里);Get_Zigzag_Scan_New2获得前一个函数的Zigzag扫描系数(将图像分为若干个N*N的块,每个块的扫描系数重新组织成一列,所有列构成新矩阵);JpegCode_New(X,N)实现JPEG编码;JpegDecode_New(X,N)实现JPEG解码.注:N只能为8.

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