Info
Cette question est clôturée. Rouvrir pour modifier ou répondre.
I wana use key in this code butt how??
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
load sculpture
imagesc(X)
colormap gray
[LoD,HiD] = wfilters('haar','d');
[cA,cH,cV,cD] = dwt2(X,LoD,HiD,'mode','symh'); subplot(2,2,1)
imagesc(cA)
colormap gray
title('Approximation')
subplot(2,2,2)
imagesc(cH)
colormap gray
title('Horizontal')
subplot(2,2,3)
imagesc(cV)
colormap gray
title('Vertical')
subplot(2,2,4)
imagesc(cD)
colormap gray
title('Diagonal')
6 commentaires
Jan
le 24 Oct 2018
@Sultan Mehmood: The question is not specific enough to get answered. "Using key in DWT" could mean a variety of things and the readers cannot guess, what you need. I suggest to ask an internet search engine for "image encryption" at first.
Réponses (1)
Cette question est clôturée.
Voir également
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!