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Internet service providers are increasingly facing the growing demand for higher bandwidth to satisfy users demand. In the condition of overloaded, the web servers show delays in offering services until reaching total unavailability. There exist several approaches to deal with this problem, the core of them use the configuration of a web server in cluster, but offering the service as a single entity...
Wireless Sensor Networks are used widely for remote environmental monitoring, target tracking or for recording weather conditions change applied at diverse applications. They have become integral part of our lives, by giving reliable data gathering and even that the sensor node is small, lightweight and portable. As the power for each sensor node is supplied from a battery, the lifetime and residual...
The study of Wireless Sensor Network is focused mainly on increasing the values of two main parameters like network lifetime and information reliability. All the algorithms and routing techniques applied on such networks try on their best effort to improve the performance and to have as result the most convenient values of both parameters. Lifetime and reliability are crucial in all kind of WSN application...
Images of outdoor scenes captured in bad weather suffer from poor contrast. Under bad weather conditions, the light reaching a camera is severely scattered by the atmosphere. The resulting decay in contrast varies across the scene and is exponential in the depths of scene points. Since traditional space invariant image processing techniques are not sufficient to remove weather effects from images,...
The optimization of wireless sensor networks in terms of lifetime and quantity of information has been investigated recently through a large number of algorithms and routing techniques. The main contribution of the paper consists in studying the application parameters that can change the behavior of existing algorithms, as the network information collecting ability. Simulations show that due to this...
In the most common standard coding of the image, coder has greater complexity than the decoder, usually 5-10 times higher. In wireless sensor networks is the opposite, the coder implemented in a battery feed device has very limited resources, while decoder is typically implemented in a powerful computer. The paper focuses on a combination of wavelet technique with algebraic GPCA method, realizing...
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