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With the wide application of ontology in the field of computer, ontology aroused people's concern. In order to conduct nubilous object, Fuzzy ontology is introduced. How to construct the fuzzy ontology becomes a meaningful work. It is known that the inaccuracy of information is high, which leads to inefficiency in the manual construction of fuzzy ontology. To solve this problem, conceptual distance...
Distributed Denial of Service (DDoS) attack presents the following characteristics, that the botnets become extra-large scale, the mode of attack presents a variety of characteristics and the application-level attacks become the main attack approach, which seriously impact on Internet Security. However, traditional software defense detection means have such problem, that the accurate rate is too low,...
In order to compress calculation, the background estimation algorithm for the infrared target detection was proposed. Firstly, a Least Square Matrix is proposed and an image background is estimated. Then the target is detected by self-adaptive threshold detection in different images. It is shown by nonlinear function regression experiment and sequence infrared image detection experiment whose methods...
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