474 search results - page 25 / 95 » Region-Based Watermarking for Images |
DICTA
2003
13 years 11 months ago
2003
Abstract. In this paper, we propose a watermarking scheme for the image ownership verification in terms of a private key pattern and wavelet filters. The watermarking is mainly ach...
ICIP
2007
IEEE
14 years 11 months ago
2007
IEEE
A novel multi-view region-based dense depth map estimation problem is presented, based on a modified planesweeping strategy. In this approach, the whole scene is assumed to be reg...
ICIP
2006
IEEE
14 years 11 months ago
2006
IEEE
This paper proposes a novel region-based scheme for dynamically modeling time-evolving statistics of video background, leading to an effective segmentation of foreground moving ob...
CVPR
2006
IEEE
14 years 1 months ago
2006
IEEE
Segmentation of ultrasound images is often a very challenging task due to speckle noise that contaminates the image. It is well known that speckle noise exhibits an asymmetric dis...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
In this paper, a comparison between an objective quality measure and the perceived mean annoyance values of watermarked videos is presented. A psychophysical experiment has been p...