IMAGE STEGANOGRAPHY LSB ENCODING PROBLEM ..How to do next step.

1 visualización (últimos 30 días)

aditya kumar sahu el 3 de Oct. de 2016

0
Enlazar

Enlace directo a esta pregunta

https://la.mathworks.com/matlabcentral/answers/305510-image-steganography-lsb-encoding-problem-how-to-do-next-step

Comentada: Massimo Zanetti el 3 de Oct. de 2016

a=imread('insect.gif');

[m n]=size(a); for i=1:m, for j=1:n, b8(i,j)=bitand(a(i,j),128); b7(i,j)=bitand(a(i,j),64); b6(i,j)=bitand(a(i,j),32); b5(i,j)=bitand(a(i,j),16); b4(i,j)=bitand(a(i,j),8); b3(i,j)=bitand(a(i,j),4); b2(i,j)=bitand(a(i,j),2); b1(i,j)=bitand(a(i,j),1); end end