Discrete cosine transform of encrypted images.

Tiziano Bianchi Alessandro Piva Mauro Barni

Published in: ICIP (2008)

Keyphrases

discrete cosine transform
jpeg images
image blocks
image data
three dimensional
input image
transform domain
discrete fourier transform
image compression
block dct
dct coefficients
blocking artifacts
building blocks
compressed domain
similarity measure
compressed images
image processing