[Image steganography] based on LSB+DCT digital watermark embedded extraction with attack test MATLAB source code GUI

function varargout = watermaked(varargin)
% WATERMAKED M-file for watermaked.fig
%      WATERMAKED, by itself, creates a new WATERMAKED or raises the existing
%      singleton*.
%
%      H = WATERMAKED returns the handle to a new WATERMAKED or the handle to
%      the existing singleton*.
%
%      WATERMAKED('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in WATERMAKED.M with the given input arguments.
%
%      WATERMAKED('Property','Value',...) creates a new WATERMAKED or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before watermaked_OpeningFunction gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to watermaked_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES

% Edit the above text to modify the response to help watermaked

% Last Modified by GUIDE v2.5 26-May-2008 14:22:42

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @watermaked_OpeningFcn, ...
                   'gui_OutputFcn',  @watermaked_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end

if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT


% --- Executes just before watermaked is made visible.
function watermaked_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to watermaked (see VARARGIN)

% Choose default command line output for watermaked
handles.output = hObject;
handles.contain=imread('nvlang512x512.jpg');      %  读入载体图
handles.name=imread('name32x32.bmp');             %  读入水印
handles.sel=0;                                    %  不加攻击
handles.jpeg=0;
handles.gau=0;
handles.salt=0;
handles.ang=0;
handles.filt=0;                                  %   不滤波
set(handles.edit3,'string',handles.jpeg);        %  文本框设置为0
set(handles.edit2,'string',handles.jpeg);
set(handles.edit1,'string',handles.jpeg);
set(handles.edit7,'string',handles.ang);
guidata(hObject, handles);
guidata(hObject, handles);
% Update handles structure
guidata(hObject, handles);

% UIWAIT makes watermaked wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = watermaked_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Get default command line output from handles structure
varargout{1} = handles.output;


% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
contain_ind=rgb2gray(handles.contain);           %  灰度图象  可以接受
figure,imshow(uint8(contain_ind)); title('原始图象');

guidata(hObject, handles);


% --- Executes on button press in pushbutton2.
function pushbutton2_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

figure,imshow(handles.name);title('水印');

guidata(hObject, handles);

% --- Executes on button press in pushbutton3.
function pushbutton3_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton3 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
[handles.contain_lsb,handles.bit]=LSB;
figure,imshow(handles.contain_lsb);
handles.pnsr=PSNR(handles.contain,handles.contain_lsb);
title_string=strcat('含水印的图象(时域) PNSR:',num2str(handles.pnsr));
title(title_string);

guidata(hObject, handles);

% --- Executes on button press in pushbutton4.
function pushbutton4_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton4 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
handles.watermarked_lsb=LSBextract(handles.contain,handles.contain_lsb,handles.name,handles.bit,handles.sel,handles.gau,handles.salt,handles.jpeg,handles.filt,handles.ang);
figure,imshow(uint8(handles.watermarked_lsb));title('提取的水印（时域）');


guidata(hObject, handles);








% --- Executes on button press in pushbutton20.
function pushbutton20_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton20 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

delete(get(0,'children'));
clear all;


% --- Executes on button press in pushbutton5.
function pushbutton5_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton5 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
[handles.contain_marker_dwt,handles.SORT_IND]=testname;
figure,imshow(uint8(handles.contain_marker_dwt));title('含水印的图象（小波域）');

handles.pnsr=PSNR(handles.contain,handles.contain_marker_dwt);
title_string=strcat('含水印的图象(小波域) PNSR:',num2str(handles.pnsr));
title(title_string);
guidata(hObject, handles);




% --- Executes on button press in pushbutton6.
function pushbutton6_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton6 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
handles.name_ex_dwt=extract_name(handles.contain,handles.contain_marker_dwt,handles.SORT_IND,handles.sel,handles.gau,handles.salt,handles.jpeg,handles.filt,handles.ang);
figure,imshow((handles.name_ex_dwt));title('提取的水印（小波域）');
guidata(hObject, handles);







% --- Executes on slider movement.
function pushbutton7_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton7 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'Value') returns position of slider
%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider
[handles.contain_marker_dwt_times,handles.SORT_IND,handles.name1]=name_imbed;
figure,imshow(uint8(handles.contain_marker_dwt_times));title('含水印的图象（改进的小波域）');
handles.pnsr=PSNR(handles.contain,handles.contain_marker_dwt_times);
title_string=strcat('含水印的图象(改进的小波域) PNSR:',num2str(handles.pnsr));
title(title_string);


guidata(hObject, handles);
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