63 search results - page 5 / 13 » Watermarking based Image Authentication using Feature Amplif... |
TCSV
2008
13 years 7 months ago
2008
Watermark resistance to geometric attacks is an important issue in the image watermarking community. Most countermeasures proposed in the literature usually focus on the problem of...
ICIP
2005
IEEE
14 years 8 months ago
2005
IEEE
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...
IH
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Hard decisions constitute the major problem in digital watermarking applications, especially when content adaptive embedding methods are used. Soft-decision decoding, on ...
ISCAS
2003
IEEE
14 years 9 days ago
2003
IEEE
This paper presents a semi-fragile object-based authentication solution for MPEG4 video. To protect the integrity of the video objects / sequences, a content-based watermark is em...
ICIP
2009
IEEE
13 years 4 months ago
2009
IEEE
In this paper we describe a robust watermarking scheme for image tampering identification and localization. A compact representation of the image is first produced by assembling a...