200 search results - page 33 / 40 » Digital Watermarking |
JCP
2007
13 years 9 months ago
2007
— Integrity of digital documents is a very important issue if they are to be legally binding. Common solutions, like digital signatures or message authentication codes, are based...
IH
1999
Springer
14 years 2 months ago
1999
Springer
Abstract. This paper presents two main results. The first is a new approach to steganography in which data is encoded in correlations among the pixels in an image. Almost all prev...
CVPR
2010
IEEE
14 years 6 months ago
2010
IEEE
Interpolated images have data redundancy, and special correlation exists among neighboring pixels, which is a crucial clue in digital forensics. We design a neural network based f...
JDCTA
2010
13 years 4 months ago
2010
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
IH
1999
Springer
14 years 2 months ago
1999
Springer
Many techniques for watermarking of digital images have appeared in numerous publications. Most of these techniques are sensitive to cropping and or a ne distortions e.g., rotatio...