474 search results - page 80 / 95 » Region-Based Watermarking for Images |
CIVR
2007
Springer
14 years 4 months ago
2007
Springer
Automatic image annotation techniques that try to identify the objects in images usually need the images to be segmented first, especially when specifically annotating image reg...
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 ...
ECCV
2008
Springer
14 years 11 months ago
2008
Springer
The sliding window approach of detecting rigid objects (such as cars) is predicated on the belief that the object can be identified from the appearance in a small region around the...
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. ...
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...