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Prediction-error expansion (PEE) is an efficient technique for reversible data hiding (RDH). Instead of expanding the highest histogram bins in conventional PEE, in this paper, to better utilize the image redundancy, we propose a new PEE-based RDH scheme with an advisable expansion strategy utilizing referential prediction-errors. For each pixel, we first calculate its prediction-error and use its...
Dynamic binary instrumentation tools play a very important role in program analysis. The information gathered by these tools is quite useful in software development, testing, debugging, simulation and optimization. SEntre is such an instrumentation system with the features of efficiency, ease-to-use interface, transparency and comprehensiveness. To obtain good performance, we employ instrumentation...
Successful deployment of the pervasive computing paradigm is based on the exploitation of the multitude of participating devices and associated data. It becomes therefore evident that there is a necessity to provide optimal resource discovery mechanisms, the effectiveness of which will constitute the foundation for the efficient operation of pervasive computing environments. To mitigate the drawbacks...
Electronic banking (e-banking), facilitated by various Electronic Commerce (EC) technologies, has helped commercial banks to stay competitive through productivity gains, transaction cost reduction and customer service improvement. Despite its benefits, however, developing countries still lag behind developed countries in the adoption of e-banking. To address the lack of studies on e-banking adoption...
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