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c.rar
資料壓縮的原理與應用
DCT域上影像縮小1by4的C程式
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jpeg.rar
... is a work I ve submitted to the university
It shows what a jpeg compression is all about.
the function implements the DCT transform, using a matrix operator.
note that matlab has a function for the DCT and iDCT transforms
that might be more ...
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test.rar
二维DCT变换灰度图像，可分别输出变换、反变换、压缩、去除细节等之后的图像，要求输入图片为raw格式（可用photoshop转换）
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DCT_source.rar
The digital watermarking with DCT method.
The source code is implement with detailed comment so developers can understand the code easily.
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dct.rar
Mpeg2视频压缩时进行空间压缩时的离散余弦变换矩阵的verilog实现，采用modelsim验证
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