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Introduction As a supervised learning algorithm,linear dis-criminant analysis(LDA)is widely used in manyfields,such as face recognition,numerical recogni-tion and information retrieval.The objective ofLDA is to find a project matrix A that maximizesthe ratio of between-class scatter Sbagainst within-class scatter Sw[1].In contrast,an algorithm forunsupervised linear discriminant analysis(ULDA)is presented in this paper.The project matrix A isobtained through maximizing covariance of all … 相似文献
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VES USING AUTONOMOUS AGENTSTX@郑白玫@施鹏飞Introduction[1~4]Currently,distributedVirtualEnvironments(dVEs)areheadingtowardlarge-scalesy... 相似文献
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Introduction Medical information systems cover a numberof medical domains to satisfy different medical ap-plications and characterized by the rich functionali-ties and valuable medical case data[1,2 ] .But infor-mation systems are heterogeneous and lack of effi-cient knowledge organization mechanisms.So theredundant information is existing,and real time in-formation acquisition and updating is difficult andmedical information systems are hard to interoper-ate and implementcomplex medical a… 相似文献
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8月20日,第六届中国国际道路交通安全产品博览会开幕,此次展会主题为“创新改变交通,科技引领未来”,由中国道路交通安全协会主办,旨在为中外道路交通企业、交通管理部门、科研院所、专家学者和用户搭建一个深度交流、合作、贸易的平台,展示国际交通行业的最新发展动向,推进道路交通领域的国际技术交流与合作,提高我国道路交通管理的现代化水平。 相似文献
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IntroductionAtrademarkimagedatabaseisasetoftrade-markpictures.Usualyitisthedutyofpatentandtrademarkoficetoestablishandmanaget... 相似文献
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MEDIASYNCHRONIZATIONSTRATEGIESINVODSYSTEMFeiXiaoqiang(费晓强)ShiPengfei(施鹏飞)(InstituteofImageProcessingandPaternRecognition,Shan... 相似文献
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