37 search results - page 3 / 8 » Hierarchical watermarking for secure image authentication wi... |
SIBGRAPI
2003
IEEE
13 years 11 months ago
2003
IEEE
Abstract. Authentication watermarking is a hidden data inserted into an image, in order to detect any alterations. It seems to be almost impossible to design a really secure authen...
MMSEC
2006
ACM
13 years 11 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...
JEI
2002
13 years 5 months ago
2002
The recent proliferation of digital multimedia content has raised concerns about authentication mechanisms for multimedia data. A number of authentication techniques based on digi...
IWDW
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. In image authentication watermarking, hidden data is inserted into an image to detect any accidental or malicious image alteration. In the literature, quite a small numbe...
ICIP
2001
IEEE
14 years 7 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...