Nyoman Putra Sastra

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E-exam is often used to evaluate the success of learning process on e-learning system. To maintain the honesty, fairness and accountability of e-exam, security system should be pursued to anticipate a variety of fraud or any threat that may occur during the process of e-exam. This paper identifies the role and type of technologies for securing e-exam. Study(More)
Many applications use virtual view to see objects or sceneries in certain directions where there is no angle of visual sensor viewing the directions. Generating indirect virtual view images also save visual sensor node in a network. In addition visual sensors have abilities to give more information related to virtual view images. In fact, generating virtual(More)
The idea of Internet of Things as a platform in smart campus has become increasingly popular. It requires an infrastructure comprised of communication networks, sensor nodes, and gateways to connect to the Internet. Each sensor node is responsible to collect data from the surrounding environment. This paper designs a wireless sensor network in internet of(More)
Wireless Visual Sensor Network (WVSN) is a system that consists of visual sensor nodes with an embedded processor. WVSN devices have limited resources of energy, computation capability, memory, and bandwidth. Due to these limitations the implementation of WVSN for large multimedia data, such as images, become a challenging task. Therefore, it is required(More)
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