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Vision-based underwater navigation and object detection requires robust computer vision algorithms to operate in turbid water. Many conventional methods aimed at improving visibility in low turbid water. In this paper, we propose a novel contrast enhancement to enhance high turbid underwater images using descattering and color correction. The proposed enhancement method removes the scatter and preserves...
Improving the utilization of resources and service qualities, and reducing the system energy consumption are two important goals of dynamic virtual machine management in cloud computing. Nevertheless, the reduction of energy consumption is inconsistent with the improvement of resource utilization. In order to get the balance, a new multi-objective decision-making method of virtual machine placement...
Sustainable development analysis is the important problem in contemporary domestic and international. The analysis about sustainable development evaluation index system spreads widely in the international, this paper analyzes sustainable development index system of research results in the relevant international organizations and main developed countries. We point out the characteristics of the related...
How to discover the services that satisfy the needs of request from the large-scale Grid services repository is a key application of Grid. This paper proposes a method of Grid service discovery based on Grid service ontology index description and ontology matchmaking. It provides a service discovery process by using ontology parser to extract ontology from a service request, and filters many irrelevant...
In a large scale sensor network for traffic surveillance, the data to be transmitted is huge, which leads to high cost of communication. When sensor nodes are connected wirelessly, the situation will be worse. So it's necessary to reduce the data amount before data packets are transmitted. In this paper, we propose a distributed algorithm base on FCM (fuzzy c-means clustering). Parameters in the algorithm...
The paper applies non-equilibrium statistical mechanics to evaluating the competitiveness of service industry as an evolutionary complex system. And then the evolutionary patterns of eight cities in China are simulated by the SOM. The comprehensive competitiveness of each city is analyzed from the pattern values.
The orthogonal test was used to study the bactericidal capability of potassium ferrate and its influencing factors for bacteria and Escherichia coli when potassium ferrate is playing coagulation effect in treating micro-polluted water. The results showed that the order of the primary and secondary factors affecting the germicidal efficacy of potassium ferrate was oxidation time, reagent amount and...
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