how to embedd a watermark using dct on a colored rgb image

Sir, I have done watermark embedding using haar wavelets. Kindly guide me how to use dct instead of haar wavelets. I have seperated rgb into r,g , b channels. Please tell me how to embedd now?

Answers (0)

Asked:

on 1 Feb 2016

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!