18 search results - page 1 / 4 » A robust watermarking scheme based on edge detection and con... |
VISAPP
2007
13 years 5 months ago
2007
ICMCS
2006
IEEE
13 years 10 months 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
13 years 10 months 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
13 years 10 months 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
13 years 10 months 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 ...