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  • 分解联合畸变的自适应隐写
  • 彩色图像的内容自适应隐写分析
  • 抵抗JPEG压缩和检测的自适应隐写术框架
  • 自适应隐写术中成本重新分配的新规则
  • 基于高斯混合模型的自适应隐写安全性分析
  • 利用可比自适应隐写术之间的差异发展失真函数
  • 图像纹理嵌入优先的基于像素块的自适应隐写算法
  • 自适应隐写算法wow

    2014-07-07 17:58:21
    适用用空域图像,是目前安全性最高的自适应隐写算法
  • 基于广义抖动调制和扩展嵌入域的鲁棒自适应隐写
  • 自适应隐写技术应为哪个灰度级提供最低的成本?
  • JPEG自适应隐写术中有争议的“像素”优先规则
  • 基于图像纹理复杂度的自适应隐写算法,康明红,黄颖,结合人类视觉系统特性和图像纹理区统计特性,将密信自适应的嵌入纹理区可以获得更高的安全性,提出一种高效的自适应隐写算法,优
  • 基于抖动调制的自适应隐写技术,可抵抗jpeg压缩和统计检测
  • 提出了一种新的基于相邻像素差的自适应隐写算法。该算法结合图像位平面性质以及人眼对像素值起伏剧烈的区域敏感性较差的视觉特性,根据相邻像素高五位比特值之差的不同选择不同的嵌入策略,通过改变每对像素的最低三位...
  • 以往的图像自适应隐写算法大多数以顺序满嵌的方式嵌入秘密信息,这类算法秘密信息的隐蔽性不够高,因此提出一种随机非满嵌算法。通过分析出图像的系统参数使图像的满嵌容量刚好大于秘密信息的长度让载体图像达到非满...
  • 提出了一种新的基于相邻像素差的自适应隐写算法。该算法结合图像位平面性质以及人眼对像素值起伏剧烈的区域敏感性较差的视觉特性,根据相邻像素高五位比特值之差的不同选择不同的嵌入策略,通过改变每对像素的最低三...
  • 适用用空域图像,是目前安全性最高的自适应隐写算法 二、源代码 % ------------------------------------------------------------------------- % Permission to use, copy, modify, and distribute this ...

    一、简介

    适用用空域图像,是目前安全性最高的自适应隐写算法

    二、源代码

    
    % -------------------------------------------------------------------------
    % Permission to use, copy, modify, and distribute this software for
    % educational, research and non-profit purposes, without fee, and without a
    % written agreement is hereby granted, provided that this copyright notice
    % appears in all copies. The program is supplied "as is," without any
    % accompanying services from DDE Lab. DDE Lab does not warrant the
    % operation of the program will be uninterrupted or error-free. The
    % end-user understands that the program was developed for research purposes
    % and is advised not to rely exclusively on the program for any reason. In
    % no event shall Binghamton University or DDE Lab be liable to any party
    % for direct, indirect, special, incidental, or consequential damages,
    % including lost profits, arising out of the use of this software. DDE Lab
    % disclaims any warranties, and has no obligations to provide maintenance,
    % support, updates, enhancements or modifications.
    % -------------------------------------------------------------------------
    % Author: Vojtech Holub
    % -------------------------------------------------------------------------
    % Contact: vojtech_holub@yahoo.com
    %          fridrich@binghamton.edu
    %          http://dde.binghamton.edu
    % -------------------------------------------------------------------------
    clc; clear all;
     
    % load cover image
    cover = imread(fullfile('..', 'images_cover', '1.pgm'));
     
    % set payload
    payload = 0.4;
     
    % set params
    params.p = -1;  % holder norm parameter
     
    fprintf('Embedding using matlab code');
    MEXstart = tic;
     
    function [stego, distortion] = WOW(cover, payload, params)
    % -------------------------------------------------------------------------
    % Copyright (c) 2012 DDE Lab, Binghamton University, NY.
    % All Rights Reserved.
    % -------------------------------------------------------------------------
    % Permission to use, copy, modify, and distribute this software for
    % educational, research and non-profit purposes, without fee, and without a
    % written agreement is hereby granted, provided that this copyright notice
    % appears in all copies. The program is supplied "as is," without any
    % accompanying services from DDE Lab. DDE Lab does not warrant the
    % operation of the program will be uninterrupted or error-free. The
    % end-user understands that the program was developed for research purposes
    % and is advised not to rely exclusively on the program for any reason. In
    % no event shall Binghamton University or DDE Lab be liable to any party
    % for direct, indirect, special, incidental, or consequential damages,
    % including lost profits, arising out of the use of this software. DDE Lab
    % disclaims any warranties, and has no obligations to provide maintenance,
    % support, updates, enhancements or modifications.
    % -------------------------------------------------------------------------
    % Contact: vojtech_holub@yahoo.com | fridrich@binghamton.edu | October 2012
    %          http://dde.binghamton.edu/download/steganography
    % -------------------------------------------------------------------------
    % This function simulates embedding using WOW steganographic 
    % algorithm. For more deatils about the individual submodels, please see 
    % the publication [1]. 
    % -------------------------------------------------------------------------
    % Input:  coverPath ... path to the image
    %         payload ..... payload in bits per pixel
    % Output: stego ....... resulting image with embedded payload
    % -------------------------------------------------------------------------
    % [1] Designing Steganographic Distortion Using Directional Filters, 
    % V. Holub and J. Fridrich, to be presented at WIFS'12 IEEE International 
    % Workshop on Information Forensics and Security
    % -------------------------------------------------------------------------
     
    %% Get 2D wavelet filters - Daubechies 8
    % 1D high pass decomposition filter
    hpdf = [-0.0544158422, 0.3128715909, -0.6756307363, 0.5853546837, 0.0158291053, -0.2840155430, -0.0004724846, 0.1287474266, 0.0173693010, -0.0440882539, ...
            -0.0139810279, 0.0087460940, 0.0048703530, -0.0003917404, -0.0006754494, -0.0001174768];
    % 1D low pass decomposition filter
    lpdf = (-1).^(0:numel(hpdf)-1).*fliplr(hpdf);
    % construction of 2D wavelet filters
    F{1} = lpdf'*hpdf;
    F{2} = hpdf'*lpdf;
    F{3} = hpdf'*hpdf;
     

    三、运行结果

    在这里插入图片描述

    四、备注

    完整代码或者仿真咨询添加QQ1575304183

    展开全文
  • 适用用空域图像,是目前安全性最高的自适应隐写算法 二、源代码 % EXAMPLE - USING "WOW" embedding distortion % % ------------------------------------------------------------------------- % Copyright (c) ...

    一、简介

    适用用空域图像,是目前安全性最高的自适应隐写算法

    二、源代码

    %           EXAMPLE - USING "WOW" embedding distortion
    %
    % -------------------------------------------------------------------------
    % Copyright (c) 2012 DDE Lab, Binghamton University, NY.
    % All Rights Reserved.
    % -------------------------------------------------------------------------
    % Permission to use, copy, modify, and distribute this software for
    % educational, research and non-profit purposes, without fee, and without a
    % written agreement is hereby granted, provided that this copyright notice
    % appears in all copies. The program is supplied "as is," without any
    % accompanying services from DDE Lab. DDE Lab does not warrant the
    % operation of the program will be uninterrupted or error-free. The
    % end-user understands that the program was developed for research purposes
    % and is advised not to rely exclusively on the program for any reason. In
    % no event shall Binghamton University or DDE Lab be liable to any party
    % for direct, indirect, special, incidental, or consequential damages,
    % including lost profits, arising out of the use of this software. DDE Lab
    % disclaims any warranties, and has no obligations to provide maintenance,
    % support, updates, enhancements or modifications.
    % -------------------------------------------------------------------------
    % Author: Vojtech Holub
    % -------------------------------------------------------------------------
    % Contact: vojtech_holub@yahoo.com
    %          fridrich@binghamton.edu
    %          http://dde.binghamton.edu
    % -------------------------------------------------------------------------
    clc; clear all;
    
    % load cover image
    cover = imread(fullfile('..', 'images_cover', '1.pgm'));
    
    % set payload
    payload = 0.4;
    
    % set params
    params.p = -1;  % holder norm parameter
    
    fprintf('Embedding using matlab code');
    MEXstart = tic;
    
    function [stego, distortion] = WOW(cover, payload, params)
    % -------------------------------------------------------------------------
    % Copyright (c) 2012 DDE Lab, Binghamton University, NY.
    % All Rights Reserved.
    % -------------------------------------------------------------------------
    % Permission to use, copy, modify, and distribute this software for
    % educational, research and non-profit purposes, without fee, and without a
    % written agreement is hereby granted, provided that this copyright notice
    % appears in all copies. The program is supplied "as is," without any
    % accompanying services from DDE Lab. DDE Lab does not warrant the
    % operation of the program will be uninterrupted or error-free. The
    % end-user understands that the program was developed for research purposes
    % and is advised not to rely exclusively on the program for any reason. In
    % no event shall Binghamton University or DDE Lab be liable to any party
    % for direct, indirect, special, incidental, or consequential damages,
    % including lost profits, arising out of the use of this software. DDE Lab
    % disclaims any warranties, and has no obligations to provide maintenance,
    % support, updates, enhancements or modifications.
    % -------------------------------------------------------------------------
    % Contact: vojtech_holub@yahoo.com | fridrich@binghamton.edu | October 2012
    %          http://dde.binghamton.edu/download/steganography
    % -------------------------------------------------------------------------
    % This function simulates embedding using WOW steganographic 
    % algorithm. For more deatils about the individual submodels, please see 
    % the publication [1]. 
    % -------------------------------------------------------------------------
    % Input:  coverPath ... path to the image
    %         payload ..... payload in bits per pixel
    % Output: stego ....... resulting image with embedded payload
    % -------------------------------------------------------------------------
    % [1] Designing Steganographic Distortion Using Directional Filters, 
    % V. Holub and J. Fridrich, to be presented at WIFS'12 IEEE International 
    % Workshop on Information Forensics and Security
    % -------------------------------------------------------------------------
    
    %% Get 2D wavelet filters - Daubechies 8
    % 1D high pass decomposition filter
    hpdf = [-0.0544158422, 0.3128715909, -0.6756307363, 0.5853546837, 0.0158291053, -0.2840155430, -0.0004724846, 0.1287474266, 0.0173693010, -0.0440882539, ...
            -0.0139810279, 0.0087460940, 0.0048703530, -0.0003917404, -0.0006754494, -0.0001174768];
    % 1D low pass decomposition filter
    lpdf = (-1).^(0:numel(hpdf)-1).*fliplr(hpdf);
    % construction of 2D wavelet filters
    F{1} = lpdf'*hpdf;
    F{2} = hpdf'*lpdf;
    F{3} = hpdf'*hpdf;
    
    

    三、运行结果

    在这里插入图片描述

    四、备注

    版本:2014a

    展开全文
  • 适用用空域图像,是目前安全性最高的自适应隐写算法 二、源代码 % EXAMPLE - USING "WOW" embedding distortion % % ------------------------------------------------------------------------- % Copyright (c) ...

    一、简介

    适用用空域图像,是目前安全性最高的自适应隐写算法

    二、源代码

    %           EXAMPLE - USING "WOW" embedding distortion
    %
    % -------------------------------------------------------------------------
    % Copyright (c) 2012 DDE Lab, Binghamton University, NY.
    % All Rights Reserved.
    % -------------------------------------------------------------------------
    % Permission to use, copy, modify, and distribute this software for
    % educational, research and non-profit purposes, without fee, and without a
    % written agreement is hereby granted, provided that this copyright notice
    % appears in all copies. The program is supplied "as is," without any
    % accompanying services from DDE Lab. DDE Lab does not warrant the
    % operation of the program will be uninterrupted or error-free. The
    % end-user understands that the program was developed for research purposes
    % and is advised not to rely exclusively on the program for any reason. In
    % no event shall Binghamton University or DDE Lab be liable to any party
    % for direct, indirect, special, incidental, or consequential damages,
    % including lost profits, arising out of the use of this software. DDE Lab
    % disclaims any warranties, and has no obligations to provide maintenance,
    % support, updates, enhancements or modifications.
    % -------------------------------------------------------------------------
    % Author: Vojtech Holub
    % -------------------------------------------------------------------------
    % Contact: vojtech_holub@yahoo.com
    %          fridrich@binghamton.edu
    %          http://dde.binghamton.edu
    % -------------------------------------------------------------------------
    clc; clear all;
    
    % load cover image
    cover = imread(fullfile('..', 'images_cover', '1.pgm'));
    
    % set payload
    payload = 0.4;
    
    % set params
    params.p = -1;  % holder norm parameter
    
    fprintf('Embedding using matlab code');
    MEXstart = tic;
    
    function [stego, distortion] = WOW(cover, payload, params)
    % -------------------------------------------------------------------------
    % Copyright (c) 2012 DDE Lab, Binghamton University, NY.
    % All Rights Reserved.
    % -------------------------------------------------------------------------
    % Permission to use, copy, modify, and distribute this software for
    % educational, research and non-profit purposes, without fee, and without a
    % written agreement is hereby granted, provided that this copyright notice
    % appears in all copies. The program is supplied "as is," without any
    % accompanying services from DDE Lab. DDE Lab does not warrant the
    % operation of the program will be uninterrupted or error-free. The
    % end-user understands that the program was developed for research purposes
    % and is advised not to rely exclusively on the program for any reason. In
    % no event shall Binghamton University or DDE Lab be liable to any party
    % for direct, indirect, special, incidental, or consequential damages,
    % including lost profits, arising out of the use of this software. DDE Lab
    % disclaims any warranties, and has no obligations to provide maintenance,
    % support, updates, enhancements or modifications.
    % -------------------------------------------------------------------------
    % Contact: vojtech_holub@yahoo.com | fridrich@binghamton.edu | October 2012
    %          http://dde.binghamton.edu/download/steganography
    % -------------------------------------------------------------------------
    % This function simulates embedding using WOW steganographic 
    % algorithm. For more deatils about the individual submodels, please see 
    % the publication [1]. 
    % -------------------------------------------------------------------------
    % Input:  coverPath ... path to the image
    %         payload ..... payload in bits per pixel
    % Output: stego ....... resulting image with embedded payload
    % -------------------------------------------------------------------------
    % [1] Designing Steganographic Distortion Using Directional Filters, 
    % V. Holub and J. Fridrich, to be presented at WIFS'12 IEEE International 
    % Workshop on Information Forensics and Security
    % -------------------------------------------------------------------------
    
    %% Get 2D wavelet filters - Daubechies 8
    % 1D high pass decomposition filter
    hpdf = [-0.0544158422, 0.3128715909, -0.6756307363, 0.5853546837, 0.0158291053, -0.2840155430, -0.0004724846, 0.1287474266, 0.0173693010, -0.0440882539, ...
            -0.0139810279, 0.0087460940, 0.0048703530, -0.0003917404, -0.0006754494, -0.0001174768];
    % 1D low pass decomposition filter
    lpdf = (-1).^(0:numel(hpdf)-1).*fliplr(hpdf);
    % construction of 2D wavelet filters
    F{1} = lpdf'*hpdf;
    F{2} = hpdf'*lpdf;
    F{3} = hpdf'*hpdf;
    
    

    三、运行结果

    在这里插入图片描述

    四、备注

    版本:2014a

    展开全文
  • 提出一种基于视觉特性的图像隐写算法。该算法利用亮度和纹理阈值等人类视觉系统特性,并结合图像各个局部分块的亮度与纹理特征,将图像划分为强嵌入区、次嵌入区、弱嵌入区,计算各个局部分块亮度和纹理,分别嵌入...
  • 定义图像中像素的嵌入失真是图像自适应隐写中的关键。为提高图像自适应隐写的安全性,根据最小化嵌入失真原则,提出了一种基于小波系数相关性的图像自适应空域隐写术。首先以一维高通、低通滤波器为工具构造方向...
  • 自适应隐写术是根据图像的内容更改封面图像内信息的算法或位置,从而使隐藏消息不太可能被意料之外的听众破译的情况。 该存储库中的每个文件都会告诉您所使用的自适应隐写方法,然后再对图像中的隐藏消息进行编码或...
  • 基于过滤系数权重分配的内容自适应JPEG隐写隐写分析
  • 基于高斯偏导数滤波器组的内容自适应JPEG隐写隐写分析
  • 通过根据嵌入失真选择DCT系数对自适应JPEG隐写术进行隐写分析
  • 改进的CMD自适应图像隐写方法
  • 以往的自适应JPEG隐写算法大多只在秘密信息嵌入之前计算图像失真,无法在嵌入过程中动态地调节失真代价。考虑到信息嵌入时的交互影响,提出一种动态更新失真代价的自适应JPEG隐写算法。首先,分析量化步长、待嵌DCT...
  • 基于Canny边缘检测的自适应空间隐写

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