Prasanta Kumar Nandi

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Data embedding in digital images involves a trade off relationship among imperceptibility, robustness, data security and embedding rate etc. Genetic Algorithms (GA) can be used to achieve optimal solution in this multidimensional nonlinear problem of conflicting nature. The use of the tool has been explored very little in this topic of research. The current(More)
The unfolding of cellular prion protein and its refolding to the scrapie isoform are related to prion diseases. Studies in the literature have shown that structures of proteins, either acidic or basic, are stabilized against denaturation by certain neutral salts, for example, sulfate and fluoride. Contrary to these observations, the full-length recombinant(More)
Due to the advancement in digital wireless communication 3rd/future generation mobile communication system expects to offer multimedia services and applications with negotiated end-to-end quality assurance. Hence devising a simple and effective billing system related to the quality of services (QoS) supplied becomes essential to the service providers. The(More)