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

1 visualizzazione (ultimi 30 giorni)
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?

Risposte (0)

Categorie

Scopri di più su Discrete Multiresolution Analysis in Help Center e File Exchange

Community Treasure Hunt

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

Start Hunting!

Translated by