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Jsteg
Jsteg算法实现,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。(Jsteg Algorithm)
- 2016-03-30 21:45:43下载
- 积分:1
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RidgeletTransform
关于脊波变换的图像分割源码,运行良好,测试可行,绝对超值(Ridgelet transform for image segmentation source code, run the test feasible, the absolute value)
- 2012-08-16 18:10:29下载
- 积分:1
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DMC2C80-V1.1
VC development motion control routines, vb development 12 axis motion control routines
- 2013-12-08 21:55:18下载
- 积分:1
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Computergraphics
英文原本经典计算机图形学教程,PPT格式,很好的学习材料和上课资料(English was the classic computer graphics course, PPT format, good learning materials and school information)
- 2009-06-05 19:45:22下载
- 积分:1
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TV_model
能完成图像的修复以及处理,对小的破损以及划痕和噪声处理效果不错。(complete image processing and repair of small scratches and breakage of noise and good results.)
- 2007-03-31 21:41:34下载
- 积分:1
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imageprocessing
Some of image processing tools in visual C++
- 2012-08-22 20:38:42下载
- 积分:1
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xiaobofenjie
matlab小波分解信号的几个源程序,包括小波分解,时频转换一级功率谱分析(Matlab wavelet decomposition of the signal source program, including several wavelet decomposition, time-frequency transition level 1 power spectrum analysis)
- 2011-09-21 10:08:53下载
- 积分:1
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next
QT 使用向导对话框,使用QWizard类实现多窗口切换(QT uses the Wizard dialog box)
- 2017-08-14 16:38:02下载
- 积分:1
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DCT-water-print
实现了添加水印及攻击水印的一些方法。攻击水印方法包括抖动攻击、滤波攻击、旋转攻击等(Add watermark and implementation of a number of methods to attack the watermark. Watermarking attack methods include jitter attacks, filtering attacks, spin attack)
- 2009-03-11 12:41:52下载
- 积分:1
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toolbox_general
数字信号处理或图像处理常用工具箱matlab(Common toolbox for digital signal processing)
- 2017-06-07 16:17:40下载
- 积分:1