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IMS (IP Multimedia System) facilitates a rapid deployment of new services enable new revenue streams for service providers, and improves the operating efficiency of the network by a convergence of heterogeneous into an existing IP network. In addition, it enables operators to simultaneously meet the requirements of fixed and mobile telephony. Because IMS “standardization” is limited to architecture,...
This paper discusses the classification and relationship of course knowledge nodes, building the network of knowledge nodes, setting appropriate teaching strategies according to different types of knowledge nodes, and established courseware pages using HCI template in which screen layout and color use is defined. Finally, methods and experience of developing network courseware were described combined...
We propose a secure image delivery scheme which can protect privacy of the secret region in sending image. In the scheme, the bits of the chosen secret region are first reversibly embedded into non-protection region. The secret region is then concealed or substituted with other meaningful content by our modified Poisson editing method, in which twice Laplacian operator is used to achieve better seamless...
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