Enhanced JPEG compression of documents.

R. Prakash Joan L. Mitchell D. A. Stepneski

Published in: ICIP (3) (2001)

Keyphrases

jpeg compression
discrete wavelet transform
digital images
watermarking algorithm
image authentication
image watermarking
watermarking scheme
additive noise
quantization step
dct coefficients
gaussian noise
keywords
peak signal to noise ratio
image sequences