how to detect double compressed JPEG images using DCT coefficients?

1 vue (au cours des 30 derniers jours)
Ajay Ganti
Ajay Ganti le 28 Fév 2018
Commenté : Ajay Ganti le 28 Fév 2018
I have a problem related to jpeg compression. How to detect double compressed images using DCT coefficients? Also it is said to plot the histograms for DCT coefficients at frequencies (1,1), (1,2), (2,1) and (2,2) positions. Please help me to do it
  1 commentaire
Ajay Ganti
Ajay Ganti le 28 Fév 2018
the problem can be seen in the image that i'm attaching now also

Connectez-vous pour commenter.

Connectez-vous pour répondre à cette question.

Réponses (0)

Catégories

En savoir plus sur Image Segmentation and 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