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graydct

于 2010-05-05 发布 文件大小:1KB
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代码说明:

  DCT给灰度图像加二值的水印信息,运行显示四幅图,分别是原图像,水印图像,加水印的图像和提取的水印图像(DCT to gray image plus two watermark values, run the show four maps are the original image, watermark image, add watermark image and extracted watermark image)

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graydct.m

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