I have attached codes which run in atleast Matlab 7. They are bug-free and give required results. I have implemented image processing as well as signal coding techniques in these codes which I have attached.

codes\att1.m
.....\bchcod.m
.....\dip2.m
.....\dip3.m
.....\fresh.m
.....\histo.m
.....\hough12.m
codes

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