356 search results - page 67 / 72 » Foveated image watermarking |
ICMCS
1999
IEEE
14 years 2 months ago
1999
IEEE
Hidden copyright marks have been proposed as a solution for solving the illegal copying and proof of ownership problems in the context of multimedia objects. Many systems have been...
ICIP
2004
IEEE
14 years 11 months ago
2004
IEEE
In this paper we suggest viewing images (as well as attacks on them) as a sequence of linear operators and propose novel hashing algorithms employing transforms that are based on ...
PCM
2005
Springer
14 years 3 months ago
2005
Springer
In this paper, we propose a methodology for embedding watermark image data into color images. At the transmitter, the signature image is encoded by a multiple description encoder. ...
RAS
2008
13 years 9 months ago
2008
State-of-the-art methods have recently achieved impressive performance for recognising the objects present in large databases of pre-collected images. There has been much less foc...
MMSEC
2006
ACM
14 years 3 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...