Jeong-Nyeo Kim

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To model a layered video streaming system in super-peer overlay networks that faces with heterogeneity and volatility of peers, we formulate a layer scheduling problem from understanding some constraints such as layer dependency, transmission rule, and bandwidth heterogeneity. To solve this problem, we propose a new layer scheduling algorithm using a(More)
Recently, the number of Internet banking transactions and e-financial services based on the public authentication certificate of smart-phones has rapidly increased. When using e-financial services by using the Android OS-based smart-phones, it is possible to experience the kind of problem related to the easy exposure of the user's personal information saved(More)
Green Security is a new research field defining and investigating security solutions using an energy-aware perspective. Growing efforts and interests for an intelligent or smart surveillance system which is capable of automatically detecting and tracking target objects is in the spotlight in the security community. So far, these technologies are mainly(More)
This scheme is a method for controlling functionality of a mobile device. The operation of the element function of the mobile device is blocked by a blocking code, and the operation of the blocked element function is unblocked by an unblocking code. The blocking code is a code used to block the operation of the element function of the mobile device in an(More)