Data Hiding In Motion Vectors of a compressed Video-Matlab

my project deals with data hiding in motion vectors of a compressed video... I have attached the IEEE paper..i have chosen it as my project.... I want it to be completed by march 15..please help me with the code mail me if any doubts about the project..i will explain in detain once you contact me about the project... i hope if you guys help it will get completed..i am new to matlab so i am taking help from you..... read the IEEE paper well...if you have any doubts about the paper ask me.....