44 search results - page 4 / 9 » Recovery of Watermarks from Distorted Images |
MSE
2002
IEEE
14 years 11 days ago
2002
IEEE
Digital watermarking is the enabling technology to prove ownership on copyrighted material, detect originators of illegally made copies, monitor the usage of the copyrighted multi...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper presents an efficient method for the estimation and recovering from nonlinear or local geometrical distortions, such as the random bending attack and restricted project...
SSWMC
2004
13 years 8 months ago
2004
In lossless watermarking, it is possible to completely remove the embedding distortion from the watermarked image and recover an exact copy of the original unwatermarked image. Lo...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
The goal of this paper is to study how a-prior knowledge of the image database could be exploited for better watermarking performance. Unlike most formulations, where the encoder ...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
We present a hybrid approach to image watermarking that exploits results from both information theory and perceptual studies. Towards this purpose we use a waterfilling-type algor...