DWT DCT Steganography questions

2 vues (au cours des 30 derniers jours)
Maulana Wahid
Maulana Wahid le 7 Jan 2014
hi, i am new in matlab, and i got final project to make digital image steganography using combination DWT and DCT. in this project i use 2-L DWT and then 8x8 block DCT and embed the image by using DCT.
here are my questions :
  1. how to choose LH sub-band in matlab code?
  2. how to embed image in cover image in 8x8 block dct with step by step explanation?

Connectez-vous pour répondre à cette question.

Réponses (0)

Catégories

En savoir plus sur Discrete Multiresolution Analysis dans Help Center et File Exchange

Tags

Community Treasure Hunt

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

Start Hunting!

Translated by