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In image retrieval systems with interfaces of user relevance feedback, different users label different instances based on different image search results they prefer. In our previous work, we proposed a multi-model relevance feedback scheme for social image retrieval, which allows users to label relevance feedback information on different media modalities. These relevance feedback instances contain...
In large-scale wireless sensor networks, it proves very difficult to dynamically monitor system degradation and detect bad links. Faulty link detection plays a critical role in network diagnosis. Indeed, a destructive node impacts its links' performances including transmitting and receiving. Similarly, other potential network bottlenecks such as network partition and routing errors can be detected...
In the light of semantic security issue in H.264 video, a strategy of video semantic authentication method based on UCL (Uniform Content Locator) is proposed. In this strategy, UCL information are embedded as semantic watermarks into the medium frequency range of DCT coefficients of I frames and semantic feature information are embedded into motion vectors of P frames. The strategy is implemented...
As the Internet consists of a large number of nodes, measuring the whole Chinese Mainland is a time-consuming and demanding task. This paper addresses this issue by tactically choosing small-scale test sources and target IP address set and making a survey of Internet physical properties in central cities and second-tier cities. The research is focused on Internet diameter, degree distribution and...
Teachers of College English course are a special group who have access to a large amount of internal and external knowledge. On the basis of a knowledge management (KM) platform, the present study tries to apply the theory of KM to help construct the College English teaching team into a learning organization and improve their teaching and research capabilities.
Effective evaluation of the cooperation effects between human resources management outsourcing enterprises and their outsourcing service providers is of great realistic significance. This paper analyzes the enterprises' motives in choosing the human resources management outsourcing from the perspective of its advantages, establishes an evaluation index system for the cooperation effects between human...
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