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全景动态光场采集的分布式存储与管理
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作者 章清锋 程鹤群 +1 位作者 孟影 周文晖 《杭州电子科技大学学报(自然科学版)》 2013年第6期70-73,共4页
针对目前光场采集系统中软硬件体系结构和数据采集、存储、管理机制的不足,该文设计了一种面向大规模全景动态光场采集的分布式存储与管理系统。系统实现对复杂非规则运动的多目标进行七维光场信息实时采集和捕获,并在时间、空间、光照... 针对目前光场采集系统中软硬件体系结构和数据采集、存储、管理机制的不足,该文设计了一种面向大规模全景动态光场采集的分布式存储与管理系统。系统实现对复杂非规则运动的多目标进行七维光场信息实时采集和捕获,并在时间、空间、光照维度上对分布式存储的光场数据进行关联性检索和管理,该系统具有良好的可扩展性,易于采集节点等硬件设备的扩充和调整。在长时间、数据密集的分布式采集和存储实验中,该系统没有出现丢帧现象,数据库管理性能满足光场处理算法中对数据的关联性检索。 展开更多
关键词 动态光场 分布式采集和存储 关联性检索 可扩展
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AN EFFICIENT APPROACH TO IMPORTANT BLOGGERS DISCOVERY
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作者 Yang Yuhang Yu Hao Zhao Tiejun Tan Hongye Zheng Dequan 《Journal of Electronics(China)》 2008年第2期218-225,共8页
Popularity of blogs and the amount of information in the blogosphere increase so fast that it is difficult for Internet users to search the information they care about. Compared with conventional webs,links in the blo... Popularity of blogs and the amount of information in the blogosphere increase so fast that it is difficult for Internet users to search the information they care about. Compared with conventional webs,links in the blogosphere are more abundant and conversations between bloggers are more fre-quent. This paper proposes a method of ranking bloggers based on link analysis,which can exemplify the characteristics of blogs,and reduce the influence of link spamming. This method can also bring convenience to users to read blogs,and it can supply a new methodology for information retrieval in the blogosphere. To ensure the reliability of the ranking results,some evaluation indicators of the im-portant bloggers are proposed,and the grading results of bloggers using the proposed method is compared with that using other indicators. At last,correlation analysis is used to verify the consistency between the proposed method and the evaluation indicators. 展开更多
关键词 Important blogger Link analysis Evaluation indicator Correlation analysis
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