474 search results - page 55 / 95 » Region-Based Watermarking for Images |
ICIP
1998
IEEE
14 years 11 months ago
1998
IEEE
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
ISCAS
2003
IEEE
14 years 3 months ago
2003
IEEE
In this paper, a robust and efficient digital image watermarking algorithm using the fast Hadamard transform (FHT) is proposed for the copyright protection of digital images. This...
ICIP
2004
IEEE
14 years 11 months ago
2004
IEEE
A region based algorithm for segmentation motivated by a parallel implementation is introduced. It is obtained by combining the watershed transform with further merging based on a...
IJIT
2004
13 years 11 months ago
2004
In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...