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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 内容类型：期刊论文    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Spatial-temporal dynamics and associated driving forces of urban ecological land: A case study in Shenzhen City, China 期刊论文 HABITAT INTERNATIONAL, 2017 Peng, Jian; Zhao, Mingyue; Guo, Xiaonan; Pan, Yajing; Liu, Yanxu 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Urban ecological land  Ecological land quality  Driving forces  Multiple logistic regression  Shenzhen city China  RAPID URBANIZATION  ECOSYSTEM SERVICES  LANDSCAPE CHANGE  COVER  PATTERNS  AREA  PROTECTION  EXPANSION  SECURITY  IMPACTS   Multilayer semantic segmentation of remote-sensing imagery using a hybrid object-based Markov random field model 期刊论文 INTERNATIONAL JOURNAL OF REMOTE SENSING, 2016 Zheng, Chen; Zhang, Yun; Wang, Leiguang 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 GIBBS RANDOM-FIELDS  SPATIAL CONSTRAINTS  ACTIVE CONTOURS  CLASSIFICATION  PENALTIES   Optimal Transition Probability of Reversible Data Hiding for General Distortion Metrics and Its Applications 期刊论文 ieee transactions on image processing, 2015 Zhang, Weiming; Hu, Xiaocheng; Li, Xiaolong; Yu Nenghai 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/11 Reversible data hiding  embedding rate  distortion  recursive code construction  Lagrange duality  convex optimization  WATERMARKING  EXPANSION  SCHEME  PREDICTION   Mining Top K Spread Sources for a Specific Topic and a Given Node 期刊论文 IEEE TRANSACTIONS ON CYBERNETICS, 2015 Liu, Weiwei; Deng, Zhi-Hong; Cao, Longbing; Xu, Xiaoran; Liu, He; Gong, Xiuwen 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Information diffusion  probability transition matrix (PTM)  social networks  topic-spreading sources  NETWORKS   Learning Markov random walks for robust subspace clustering and estimation 期刊论文 neural networks, 2014 Liu, Risheng; Lin, Zhouchen; Su, Zhixun 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Spectral clustering  Dimensionality reduction  Markov random walks  Transition probability learning  Subspace clustering and estimation  NONLINEAR DIMENSIONALITY REDUCTION  PRINCIPAL COMPONENT ANALYSIS  SEGMENTATION  FRAMEWORK  MATRIX  ALGORITHM  MIXTURE   Intra-Urban Human Mobility and Activity Transition: Evidence from Social Media Check-In Data 期刊论文 plos one, 2014 Wu, Lun; Zhi, Ye; Sui, Zhengwei; Liu, Yu 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 PATTERNS  SIMULATION  MODEL   Subensemble decomposition and Markov process analysis of Burgers turbulence 期刊论文 physical review e statistical nonlinear and soft matter physics, 2011 Zhang Zhi-Xiong; She Zhen-Su 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13