Janusz Kusyk

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We study a fault tolerant differential evolution based topology control mechanism, called TCM-Y, to direct the movements of autonomous vehicles that dynamically adjust their speed and directions in MANETs. TCM-Y uses a Yao graph inspired fitness function to preserve a node’s minimum desired number of connections with its neighbors while uniformly dispersing(More)
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)