LSB steganography matlab program

I make LSB steganography program to extract message, but the result of program is the message not same with the plaintext in the embedd program. please help me if you can clear it, thanks :)

    clear all;
    close all;
I = imread('steg1.bmp');
end_char = '@';
text_back = [];
for i = 1:8:numel(I)
  C = bitget(I(i:i+7),1);
  C = bin2dec(num2str(C));
  if(C == end_char) 
       break;
  else
       text_back(end+1) = C;
  end
end
text_back = char(text_back);
%%Display
subplot(1,2,1);
title('Original');
imshow(imread('dorin.jpg'));
disp(text_back);

Answer 1

[Image Analyst]

Here's one that works with images. It's probably easy to adapt it.

[Maya]

thank you for your help Mr/Mrs, i'll try it :)