Watermarking applications and their properties
ITCC '00 Proceedings of the The International Conference on Information Technology: Coding and Computing (ITCC'00)
Blind image data hiding based on self reference
Pattern Recognition Letters
DigitalWatermarking in Contourlet Domain
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 03
Adaptive Image Watermarking Algorithm in Contourlet Domain
FCST '07 Proceedings of the 2007 Japan-China Joint Workshop on Frontier of Computer Science and Technology
Watermarking Algorithm based on Contourlet Transform and Human Visual Model
ICESS '08 Proceedings of the 2008 International Conference on Embedded Software and Systems
A New Visually Imperceptible and Robust Image Watermarking Scheme in Contourlet Domain
IIH-MSP '08 Proceedings of the 2008 International Conference on Intelligent Information Hiding and Multimedia Signal Processing
An Adaptive Watermark Scheme Based on Contourlet Transform
ISCSCT '08 Proceedings of the 2008 International Symposium on Computer Science and Computational Technology - Volume 01
A new class of two-channel biorthogonal filter banks and waveletbases
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Toward robust logo watermarking using multiresolution image fusion principles
IEEE Transactions on Multimedia
Attacks on digital watermarks: classification, estimation based attacks, and benchmarks
IEEE Communications Magazine
The contourlet transform: an efficient directional multiresolution image representation
IEEE Transactions on Image Processing
Directional multiscale modeling of images using the contourlet transform
IEEE Transactions on Image Processing
A highly robust two-stage Contourlet-based digital image watermarking method
Image Communication
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We propose a new nonblind multiresolution watermarking method for still images based on the contourlet transform (CT). In our approach, the watermark is a grayscale image which is embedded into the highest frequency subband of the host image in its contourlet domain. We demonstrate that in comparison to other methods, this method enables us to embed more amounts of data into the directional subbands of the host image without degrading its perceptibility. The experimental results show robustness against several common watermarking attacks such as compression, adding noise, filtering, and geometrical transformations. Since the proposed approach can embed considerable payload, while providing good perceptual transparency and resistance to many attacks, it is a suitable algorithm for fingerprinting applications.