211 search results - page 27 / 43 » Robustness and Security of Digital Watermarks |
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
In this paper we present a generic content-based solution targeting at authenticating image in a semi-fragile way, which integrates watermarking-based approach with signature-base...
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ISCAS
2003
IEEE
15 years 3 months 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...
CMS
2003
14 years 11 months ago
2003
Abstract. Wavelet packet decompositions generalize the classical pyramidal wavelet structure. We use the vast amount of possible wavelet packet decomposition structures to create a...
ICIP
2005
IEEE
15 years 11 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...
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
We propose an image hashing algorithm that is based on distributed compression principles. The algorithm assumes the availability of a robust feature vector extracted from the ima...