474 search results - page 52 / 95 » Region-Based Watermarking for Images |
ICIP
2009
IEEE
13 years 7 months ago
2009
IEEE
In this paper, we present a new blind and robust 3-D mesh watermarking scheme that makes use of the recently proposed manifold harmonics analysis. The mesh spectrum coefficient am...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
"Can we watermark without perturbing an image?" We present the salient results of the investigationcarried out to find an answer to this question.
SPIESR
1998
13 years 11 months ago
1998
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the h...
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
Sensitivity analysis attacks present a serious threat to the security of popular spread spectrum watermarking schemes. Randomization of the detector is thought to increase the imm...
MMSEC
2006
ACM
14 years 3 months ago
2006
ACM
In this paper, we introduce to the special domain of image annotation watermarking, based on embedding of hierarchical data related to objects into user-selected areas on an image...