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AMC
2007
134views more  AMC 2007»
13 years 5 months ago
An image fragile watermark scheme based on chaotic image pattern and pixel-pairs
Fragile watermarking techniques for digital content have been studied in the past few years. Fragile watermarks are used to determine if a piece of watermarked digital content has...
Shaohui Liu, Hongxun Yao, Wen Gao, Yongliang Liu
ICIP
2003
IEEE
14 years 6 months ago
Watermarking with knowledge of image database
The goal of this paper is to study how a-prior knowledge of the image database could be exploited for better watermarking performance. Unlike most formulations, where the encoder ...
S. Roy, E.-C. Chang
ICIP
2002
IEEE
14 years 6 months ago
Robust bandlimited watermarking with trellis coded modulation
Digital watermarking is equivalent to bandlimited, powerlimited digital communication. The power limit is due to the requirement of imperceptible watermarks, and has long been rec...
Aria Nosratinia, Vimal Thilak
IH
1999
Springer
13 years 9 months ago
On the Design of a Watermarking System: Considerations and Rationales
This paper summarizes considerations and rationales for the design of a watermark detector. In particular, we relate watermark detection to the problem of signal detection in the p...
Jean-Paul M. G. Linnartz, Geert Depovere, Ton Kalk...
IJNSEC
2008
113views more  IJNSEC 2008»
13 years 5 months ago
A Fragile Associative Watermarking on 2D Barcode for Data Authentication
Two-dimensional (2D) barcode has improved the information encoded capacity, and it also has enriched the applications of barcode technique. Recently, there are researches dealing ...
Jau-Ji Shen, Po-Wei Hsu