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With the development of remote sensing technology and network, a wide range of space information civilian use make remote sensing images security more and more attention. On the basis of the characteristics of large amount of remote sensing data but real-time transmission or access, a scheme of authorizing the use of remote sensing images based on multi-rank security through Internet distribution...
In this paper, several technologies of text digital watermarking are studied, and they are categorized according to different embedding modes. On this basis, a text digital watermarking algorithm is designed and implemented. Text digital watermarking generates through some of the synonyms of the word in some position, and different copies has a different watermark. It also provided a preliminary laboratory...
Regarding to the blindness and arbitrariness in urban reused water pricing in China, this paper provided theoretical models and practical methods of independent pricing of reused water, based on the comprehensive considerations of market demand and production cost. Firstly, proceeding from the hypothesis that reused water can be used by consumers only when they can cut down expenses, an independent...
A closed-loop workflow management system (C-WfMS) with process mining and result feedback technique was proposed to improve the efficiency of integrated manufacturing information system. The structure of organizational mining module (OME), the framework, and working method of C-WfMS were presented. The performer-to-performer relation (PPR) matrix and the activity-by-performer relation (APR) matrix...
Clustering analysis is an important topic in artificial intelligence, data mining and pattern recognition research. Conventional clustering algorithms, for instance, the famous Fuzzy C-means clustering algorithm (FCM), assume that all the attributes are equally relevant to all the clusters. However in most domains, especially for high-dimensional dataset, some attributes are irrelevant, and some relevant...
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