474 search results - page 20 / 95 » Region-Based Watermarking for Images |
ICIP
1999
IEEE
14 years 11 months ago
1999
IEEE
In this paper, we present an efficient region-based video coding scheme. The region partioning is optimized according to a rate-distortion criterion in order to achieve constant b...
MICCAI
2004
Springer
2004
Springer
Border Detection on Short Axis Echocardiographic Views Using a Region Based Ellipse-Driven Framework
14 years 11 months ago
In this paper, we propose a robust technique that integrates spatial and temporal information for consistent recovery of the endocardium. To account for the low image quality we in...
IBPRIA
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. This paper introduces a technique for region-based pose tracking without the need to explicitly compute contours. We assume a surface model of a rigid object and at least...
IWDW
2005
Springer
14 years 3 months ago
2005
Springer
In this paper, we present a watermarking based approach, and its implementation, for mitigating phishing attacks - a form of web based identity theft. ViWiD is an integrity check m...
Publication
In the present communication, the effects of the eminent JPEG2000 new compression standard on watermarking techniques are investigated. It is shown that the choice of different cod...