as iam working on image steganography using wavelet(Haar) transform ,i wanted the program for encoding and decoding using matlab

1. how to create gui
2. how to use wavelet toolbox for image processing

Answer 1

[Image Analyst]

1. http://blogs.mathworks.com/videos/category/gui-or-guide/ or http://www.mathworks.com/matlabcentral/fileexchange/24224-magic-matlab-generic-imaging-component

2. Run through the examples and demos provided with the toolbox in the help.