matlab code for hididn an image into another image using pixel value differencing technique (image steganography)

i want to hide an image into another image using pixel value differencing code using matlab. kindly suggest matlab code for the same

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

Answer 1

[Image Analyst]

See attached demo. Adapt as needed.