IH
2004
Springer
14 years 4 months ago
2004
Springer
A new method improving watermark robustness against both global and local geometrical distortions is presented in this article. The proposed approach is based on a self-reference c...
ICIP
2001
IEEE
15 years 22 days ago
2001
IEEE
This paper presents an efficient method for the estimation and recovering from nonlinear or local geometrical distortions, such as the random bending attack and restricted project...