Blobworld: A System for Region-Based Image Indexing and Retrieval
VISUAL '99 Proceedings of the Third International Conference on Visual Information and Information Systems
Attacks on Copyright Marking Systems
Proceedings of the Second International Workshop on Information Hiding
Robust DWT-SVD domain image watermarking: embedding data in all frequencies
Proceedings of the 2004 workshop on Multimedia and security
Geometric Attacks on Image Watermarking Systems
IEEE MultiMedia
(Color/Gray) Image in Color Cover Hiding Using Modification of Spatial Domain Hiding Method
FGCN '07 Proceedings of the Future Generation Communication and Networking - Volume 01
Digital Watermarking and Steganography
Digital Watermarking and Steganography
Image Watermarking Scheme Using Singular Value Decomposition, Quantization and Genetic Algorithm
ICSAP '10 Proceedings of the 2010 International Conference on Signal Acquisition and Processing
Attacks on digital watermarks: classification, estimation based attacks, and benchmarks
IEEE Communications Magazine
IEEE Transactions on Image Processing
Region-based image watermarking
IEEE Transactions on Image Processing
Texture segmentation using Gaussian-Markov random fields and neural oscillator networks
IEEE Transactions on Neural Networks
An optimized watermarking technique employing SVD in DWT domain
Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication
Bayesian Segmentation Based Local Geometrically Invariant Image Watermarking
Fundamenta Informaticae
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Despite the progress in digital image watermarking technology, the main objectives of the majority of research in this area remain to be the improvement in robustness to attack. In this paper, a novel watermarking technique is proposed using a region-adaptive approach to further improve upon criteria. Watermark data is embedded on different regions of the host image using a combination of Discrete Wavelet Transform and Singular Value Decomposition techniques. The technique is derived from an earlier hypothesis that the robustness of a watermarking process can be improved by using watermark data which frequency spectrum not dissimilar to that of the host data. To facilitate this, the technique utilises dual watermarking technologies and embed parts of the watermark images into selected regions in the host image. Our experiment shows our technique has improved the robustness of the watermark data to image processing attacks and geometric attacks, thus validating the earlier hypothesis.