50 search results - page 9 / 10 » A New Wavelet-based Scheme for Watermarking Images |
ICIAR
2004
Springer
14 years 3 months ago
2004
Springer
In this paper, a new block-based image-dependent watermarking technique is proposed. The proposed technique utilizes the correlation coefficient statistic to produce a short and un...
ICIP
2005
IEEE
14 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...
CAIP
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. This paper presents a color filter array (CFA) image indexing approach. To enhance the functionality of single-sensor consumer electronics such as digital cameras, imagi...
IEEEIAS
2009
IEEE
14 years 4 months ago
2009
IEEE
: This paper proposes a new watermarking method for detecting image tampering. First, an authentication number is created using a pair of watermark pixels as the coefficients of a ...
IWDW
2005
Springer
14 years 3 months ago
2005
Springer
The sensitivity attack is considered as a serious threat to the security of spread-spectrum-based schemes, since it provides a practical method of removing watermarks with minimum ...