Wavelet Transformation Based Watermarking Technique for Human Electrocardiogram (ECG)
Journal of Medical Systems
Increasing robustness of an audio watermark using turbo codes
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 2
Adaptive color image watermarking based on a modified improved pixel-wise masking technique
Computers and Electrical Engineering
Diversity assisted GCIC for spread spectrum watermark detection using genetic algorithms
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Perceptually adaptive spread transform image watermarking scheme using Hadamard transform
Information Sciences: an International Journal
Audio watermark detection improvement by using noise modelling
MIV'05 Proceedings of the 5th WSEAS international conference on Multimedia, internet & video technologies
Collusion resilient spread spectrum watermarking in M-band wavelets using GA-fuzzy hybridization
Journal of Systems and Software
Wireless Personal Communications: An International Journal
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We consider the use of novel communication tool sets to improve the performance of robust watermarking systems. In particular, we relate the effects of attacks on the watermark to signal interference in a fading environment and employ diversity transmission and channel estimation principles to improve performance. A nonstationary parallel binary symmetric channel (BSC) model of the watermark channel is introduced to more accurately characterize signal tampering and, hence, extract the watermark. Analysis of the system sheds light on novel strategies and domains to embed information to improve the performance of robust data hiding schemes. Simulation and testing verify our theoretical observations