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基于MATLAB的离散余弦变换

于 2020-11-27 发布
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在图像的变换和压缩中,常常用到离散余弦变换(DCT)。DCT具有能使图像的最重要的信息集中在DCT的几个系数上的性能。正是基于此,DCT通常应用于图像的压缩.

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