18 search results - page 1 / 4 » A robust watermarking scheme based on edge detection and con... |
VISAPP
2007
13 years 7 months ago
2007
ICMCS
2006
IEEE
14 years 3 days ago
2006
IEEE
Presently, almost all of the watermarking algorithms resistant to geometric attacks are dependent on the synchronization. In this paper, a geometrically robust watermarking scheme...
ICMCS
2006
IEEE
14 years 3 days ago
2006
IEEE
In this paper, a new watermarking scheme in the joint timefrequency domain is introduced. Wigner distribution is used to transform an image into the spatial-spectral domain. The p...
MMSEC
2006
ACM
14 years 19 hour ago
2006
ACM
Current zero-knowledge watermark detectors are based on a linear correlation between the asset features and a given secret sequence. This detection function is susceptible of bein...
ICPR
2006
IEEE
14 years 3 days ago
2006
IEEE
This paper presents a technique, which determines whether an edge is visible for a human eye or not. First, a threshold function is built according to the optical characteristics ...