Cartographic image watermarking using text-based normalization.

Mauro Barni Franco Bartolini Alessandro Piva Filippo Salucco

Published in: MMSP (2001)

Keyphrases

image watermarking
spread spectrum
jpeg compression
watermarking algorithm
geometric distortions
copyright protection
multimedia
discrete wavelet transform
additive noise
lossy compression
geometric attacks
digital watermarking
feature extraction
visual features
gray level images