EMBEDDING IMAGE IN MID FREQUENCY BAND USING DWT TECHNIQUE
Amandeep Kaur, Blossom Kaur, Navneet Singh, Sukhdeep Singh, Parneet Kaur · 2011
As for the ensurement of copyright protection of the cover image and the watermark, we propose a DWT based dual watermarking technique in which blind and non-blind algorithms are used. The binary image and the midfrequency coefficients of the cover image are used to modify the DWT coefficients of the primary watermark .As some features are embedded in the watermark, the security is increased and it ensures the protection of watermark from any copy attack. For the fulfilment of the purpose a new pseudorandom generator based on the