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The object tracking by using single feature is possible to generate errors and easy to lose the target if the illumination and object size scale are changed. We propose a particle-filter-object-tracking algorithm. The proposed algorithm is based on a covariance region descriptor (CRD). The CRD can fuse different features of a targeted object region while handling various complex backgrounds. Hence,...
By analyzing the current computer network security situation and the existing intrusion detection system, this paper introduces the data mining technology into the intrusion detection system and structures behavior model and invasion information database of intrusion detection system based on data mining. This model improves the efficiency of intrusion detection.
Metabolism is the set of chemical reactions that occur in living organisms in order to maintain life, and a genome-scale metabolic network can be reconstructed by identifying, categorizing and interconnecting all the genes, proteins, reactions and metabolites that participate in the metabolic activity of a biological system to form a metabolic network. Enzymes play a very important part in metabolism,...
Localization problems of the WSNs (wireless sensor networks)geostationary nodes are studied,and the localization algorithm (Fast and Rough Nodes Location Algorithm) based on the communication power mediation for geostationary nodes by receiving the localization information from anchor nodes is presented.The localization estimate of localized nodes is executed in lesser field for higher accuracy.The...
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