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Interactive electronic whiteboard (IEW) provides a new and powerful technical support for education informationization. It not only reduces the burden on teachers, but also increases the flexibility of the media presentation and inspires students to learn. The functions of real-time interaction and dynamic resources database embody the philosophy of modern education. This paper introduces the composition...
This paper proposes an analysis method based on generalized vector quantization for information hiding. The analysis tries to construct a framework to model the process of information hiding and extraction by the notion of generalized vector quantization. With consideration of the quality of information hider, the analysis can figure out accurately the capacity for a given information hiding scheme,...
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