356 search results - page 62 / 72 » Foveated image watermarking |
PCM
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. In this paper, we propose an image moment-based geometric normalization to be applied before embedding and extracting a digital watermark in the DWT-domain of JPEG2000. A...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
The theoretical foundations of data hiding have been revealed by formulating the problem as message communication over a noisy channel, i.e. the host document. In light of this de...
ICIP
2005
IEEE
14 years 11 months ago
2005
IEEE
This paper proposes a detailed framework of storing privacy information in surveillance video as a watermark. Authorized personnel is not only removed from the surveillance video ...
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...
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...