首页 开发技术 C++ JSTEG隐写数字图像隐写

JSTEG隐写数字图像隐写

上传者： dai99 | 上传时间： 2012-02-26 00:00:00 | 文件大小： 369KB | 文件类型： zip
Jsteg是一种基于JPEG的常用信息隐藏算法步骤如下: 首先，把掩体图像分为不重叠的8*8的子块，对每一子块进行DCT并对变换得到的DCT系数进行量化;其次，将待隐藏的信息进行加密，将加密结果嵌入到量化后值不为0，1或-1的DCT系数的最 低有效位(LSB)中，其嵌入顺序是按zigzag扫描顺序进行的。最后，用JPEG的嫡编码(包括哈夫曼编码，游程编码及DPCM)对嵌入秘密信息后的每一子块进行编码，从而得到一个含有秘密信息的JPEG stego文件。

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评论信息

  • a5066987 :
    很有学习价值的文档,感谢.
    2016-05-09
  • 彼岸之音 :
    基于linux的，不好用
    2016-01-23
  • TianXieErYang :
    不会用啊 ，怎么用的
    2015-08-09
  • wf20123271 :
    如何使用这个源代码
    2015-05-31
  • qq_28297199 :
    表示看不懂，代码在哪个文件里啊
    2015-05-23

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