(1) Use transform based methods like Singular Value Decomposition, Hilbert transform etc in combination with frequency based watermarking techniques to develop hybrid watermarking techniques for better trade-off between imperceptibility, robustness, security and capacity of Multimedia objects .
(2) To use optimizing algorithms like Genetical Algorithm, Artificial Neural Networks etc. along with standard transform based techniques to design several optimized algorithms for better trade-off in imperceptibility, robustness, security and capacity
(3) To explore design of new algorithms for digital watermarking of multimedia objects
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