t******q 发帖数: 117 | 1 【 以下文字转载自 EE 讨论区,原文如下 】
发信人: mizhael (mizhael), 信区: EE
标 题: 请问DCT可用于IMAGE COMPRESSION的关键原因是什么?
发信站: Unknown Space (Wed Aug 20 23:28:27 2003) WWW-POST
Dear all,
I am facing with a question in transform based image compression.
Let me ask in this way, if I want to design my own image compression transform
basis, consider the transform as 8x8 matrix multiplication. In 2D case, the
transform can be regarded as Y=T*X*T'. For 1D, the transform is Y=T*X.
Now if I want to design my own transform basis |
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