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PCM
2009
Springer
180views Multimedia» more  PCM 2009»
15 years 2 months ago
RST-Invariant Semi-fragile Image Authentication Based on DWT-Coefficient Quantization
Abstract. In this paper, we propose an image moment-based geometric normalization to be applied before embedding and extracting a digital watermark in the DWT-domain of JPEG2000. A...
Mathias Schlauweg, Erika Müller
DAC
1998
ACM
15 years 10 months ago
Watermarking Techniques for Intellectual Property Protection
Digital system designs are the product of valuable effort and knowhow. Their embodiments, from software and HDL program down to device-level netlist and mask data, represent caref...
Andrew B. Kahng, John Lach, William H. Mangione-Sm...
IWDW
2005
Springer
15 years 2 months ago
Security of DM Quantization Watermarking Schemes: A Practical Study for Digital Images
Abstract. In this paper, the security of Dither Modulation Quantization Index Modulation schemes for digital images is analyzed. Both pixel and DCT coefficient quantization schemes...
Patrick Bas, Jarmo Hurri
ARTCOM
2009
IEEE
15 years 2 months ago
Text Fusion Watermarking in Medical Image with Semi-reversible for Secure Transfer and Authentication
Nowadays, the transmission of digitized medical information has become very convenient due to the generality of Internet. Internet has created the biggest benefit to achieve the tr...
P. Viswanathan, P. Venkata Krishna
ICIP
1994
IEEE
15 years 11 months ago
A Digital Watermark
This paper discusses the feasibility of coding an "undetectable" digital water mark on a standard 512*512 intensity image with an 8 bit gray scale. The watermark is capa...
Ron G. van Schyndel, Andrew Z. Tirkel, C. F. Osbor...