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Optimum watermark detection in color images

By Elisa Sayrol, Josep Vidal, Silvia Cabanillas and Sonia Santamaria


Abstract 1 This work concentrates on the problem of watermarking embedding and optimum detection in color images through the use of spread spectrum techniques, both in space (Direct Sequence Spread Spectrum or DSSS) and frequency (Frequency Hopping). It is applied to RGB and opponent color component representations. Perceptive information is considered in both color systems. Some tests are performed in order to ensure imperceptibility and to assess detection quality of the optimum color detectors 1

Year: 1999
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