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C/C++]
watermark.rar
Matlab to achieve a variety of watermark embedding and extraction (DFT DCT, etc.)
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Matlab]
hw2.zip
... ,
N = ), and partition to 8*8 sub images.
2.. Apply DCT to these sub images, and get the transformed image D with DCT ... . (That is, only half of data
is used.)
4.Take Inverse DCT to get the approximated image.
2 . Get the covariance matrix of image. ...
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C/C++]
2.zip
HuffmanExp Huffman Coding JpgVSbmp Jpg and Bmp format conversion between API package RWJpegExp JpegVC++ classes VbTestDll VB calls Jpg and Bmp format conversion between API functions in the previous example jpeg jpeg to the DCT transform
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Matlab]
dct_imbed.rar
Scrambling transformed to achieve binary bitmap file during dct transformed target vector image into the frequency domain
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Matlab]
idct.rar
Dct in front of this program is the reverse process of embedding process, namely, the extraction of information, thereby scrambling the original information obtained
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Matlab]
watermark.rar
Image scrambling transformation lsb embedding, as well as the extraction procedure, also includes psnr program, can I upload dct compare the frequency domain embedding
Category:
matlab Upload User：
t22695537 Size：
3K
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MultiPlatform]
DiscreteCosineTransform.rar
DCT A discrete cosine transform (DCT) expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, from lossy ...
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