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Digital watermarking is considered to be a major technology for the protection of multimedia data. Some of the important applications are broadcast monitoring, copyright protection, and access control. In this paper, we present a semi-blind watermarking scheme for embedding a logo in color images using the DFT domain. After computing the DFT of the(More)
Over a last few decades there has been a substantial growth in many technical fields, which also cherished the sensors technology, low-power integrated circuits, wireless communications etc. These developments have enabled the design of low-cost, miniature, lightweight and intelligent sensor nodes. We can program these nodes to work according to our(More)