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embedbp.m | |
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embedbp.m | |
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recoverbp.m | |
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embedbp.m | |
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File Type: | m |
clc
close all
clear all
%video reading
T=input('Enter your message: ''I am here'' format: ');
linelen=length(T);
for i=1:1:linelen
codeT=uint8(char(T(i)))
%T(i)
codeT=codeT+3;
T1(i)=char(codeT)
%T
end
T1
linelen=length(T1);
for i=1:1:linelen
codeT=uint8(char(T1(i)))
%T(i)
codeT=codeT-3;
T2(i)=char(codeT)
%T
end
% vid = VideoReader('C:\DATA\September15\8\2.mpg');
% vidFrames = read(vid);
% numFrames = get(vid, 'NumberOfFrames');
% [m n z p]=size(vid);
% for i=1:100:numFrames-1
% I=vidFrames(:,:,:,i);
% % I=rgb2gray(I);
% figure()
% imshow(I)
%
%
%
% end
close all
clear all
%video reading
T=input('Enter your message: ''I am here'' format: ');
linelen=length(T);
for i=1:1:linelen
codeT=uint8(char(T(i)))
%T(i)
codeT=codeT+3;
T1(i)=char(codeT)
%T
end
T1
linelen=length(T1);
for i=1:1:linelen
codeT=uint8(char(T1(i)))
%T(i)
codeT=codeT-3;
T2(i)=char(codeT)
%T
end
% vid = VideoReader('C:\DATA\September15\8\2.mpg');
% vidFrames = read(vid);
% numFrames = get(vid, 'NumberOfFrames');
% [m n z p]=size(vid);
% for i=1:100:numFrames-1
% I=vidFrames(:,:,:,i);
% % I=rgb2gray(I);
% figure()
% imshow(I)
%
%
%
% end
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secured_text_transmission_using_video_cryptography.pptx | |
File Size: | 1972 kb |
File Type: | pptx |
14th september
clc
close all
clear all
%%encoder
T=input('Enter your message: ''I am here'' format: ');
passw= input('Enter your password: ');
linelen=length(T);
for i=1:1:linelen
codeT=uint8(char(T(i)));
%T(i)
codeT=codeT+passw;
T1(i)=char(codeT);
%T
end
vid = VideoReader('C:\DATA\September15\8\2.mpg');
vidFrames = read(vid);
numFrames = get(vid, 'NumberOfFrames');
[m n z p]=size(vid);
for i=1:passw:passw
I=vidFrames(:,:,:,i);
figure()
imshow(I)
linelen=length(T);
for i1=1:1:linelen
codeT1(i1)=uint8(char(T1(i1)));
% escape character
end
%stegnography
vidFrames(:,:,:,i)=I;
end
%save video
%% dcoder
vid = VideoReader('C:\DATA\September15\8\2.mpg');
vidFrames = read(vid);
numFrames = get(vid, 'NumberOfFrames');
[m n z p]=size(vid);
%exctract passw from videoname or property
for i=1:passw:passw
I=vidFrames(:,:,:,i);
figure()
imshow(I)
%destegnography
%inverse deloop using escape character
end
T1
linelen=length(T1);
for i=1:1:linelen
codeT=uint8(char(T1(i)));
%T(i)
codeT=codeT-passw;
T2(i)=char(codeT);
%T
end
T2
close all
clear all
%%encoder
T=input('Enter your message: ''I am here'' format: ');
passw= input('Enter your password: ');
linelen=length(T);
for i=1:1:linelen
codeT=uint8(char(T(i)));
%T(i)
codeT=codeT+passw;
T1(i)=char(codeT);
%T
end
vid = VideoReader('C:\DATA\September15\8\2.mpg');
vidFrames = read(vid);
numFrames = get(vid, 'NumberOfFrames');
[m n z p]=size(vid);
for i=1:passw:passw
I=vidFrames(:,:,:,i);
figure()
imshow(I)
linelen=length(T);
for i1=1:1:linelen
codeT1(i1)=uint8(char(T1(i1)));
% escape character
end
%stegnography
vidFrames(:,:,:,i)=I;
end
%save video
%% dcoder
vid = VideoReader('C:\DATA\September15\8\2.mpg');
vidFrames = read(vid);
numFrames = get(vid, 'NumberOfFrames');
[m n z p]=size(vid);
%exctract passw from videoname or property
for i=1:passw:passw
I=vidFrames(:,:,:,i);
figure()
imshow(I)
%destegnography
%inverse deloop using escape character
end
T1
linelen=length(T1);
for i=1:1:linelen
codeT=uint8(char(T1(i)));
%T(i)
codeT=codeT-passw;
T2(i)=char(codeT);
%T
end
T2
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secured_text_transmission_using_video_cryptography.pptx | |
File Size: | 2383 kb |
File Type: | pptx |