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科研机构
北京大学 [23]
内容类型
期刊论文 [17]
其他 [6]
发表日期
2017 [6]
2016 [1]
2015 [2]
2014 [3]
2013 [3]
2012 [2]
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共23条,第1-10条
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专题:北京大学
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An Improved Estimation of Regional Fractional Woody/Herbaceous Cover Using Combined Satellite Data and High-Quality Training Samples
期刊论文
REMOTE SENSING, 2017
Liu, Xu
;
Liu, Hongyan
;
Qiu, Shuang
;
Wu, Xiuchen
;
Tian, Yuhong
;
Hao, Qian
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
vegetation fractional cover
semi-arid area
MODIS
satellite data integration
spatial sampling design
image classification
Random Forest regression
model performance evaluation
LAND-COVER
INNER-MONGOLIA
MODIS DATA
VEGETATION
SURFACE
STEPPE
FOREST
COEXISTENCE
TOPOGRAPHY
TRANSITION
Classifying natural-language spatial relation terms with random forest algorithm
期刊论文
INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE, 2017
Du, Shihong
;
Wang, Xiaonan
;
Feng, Chen-Chieh
;
Zhang, Xiuyuan
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Natural-language spatial relations
topological terms
metric variables
random forest
social media data
geographical information retrieval
METRIC DETAILS
SOCIAL MEDIA
OBJECTS
INFORMATION
Hierarchical semantic cognition for urban functional zones with VHR satellite images and POI data
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2017
Zhang, Xiuyuan
;
Du, Shihong
;
Wang, Qiao
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Urban functional zone
Image classification
Hierarchical semantic cognition
Point of interest
LATENT DIRICHLET ALLOCATION
SPATIAL-PATTERN-ANALYSIS
SCENE CLASSIFICATION
OBJECT DETECTION
RANDOM FORESTS
INFORMATION
SEGMENTATION
LANDSCAPE
MULTIRESOLUTION
FEATURES
基于条件随机场的中文地名识别方法
期刊论文
武汉大学学报(信息科学版), 2017
邬伦
;
刘磊
;
李浩然
;
高勇
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
地名识别
条件随机场
自然语言处理
中文地名
toponym recognition
conditional random field
natural language processing
Chinese toponym
Improving Super-Resolution Mapping by Combining Multiple Realizations Obtained Using the Indicator-Geostatistics Based Method
期刊论文
REMOTE SENSING, 2017
Shi, Zhongkui
;
Li, Peijun
;
Jin, Huiran
;
Tian, Yugang
;
Chen, Yan
;
Zhang, Xianfeng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
super-resolution mapping
indicator geostatistics
class proportion constraint
pixel swapping
land cover classification
REMOTELY-SENSED IMAGERY
PIXEL-SWAPPING ALGORITHM
PARTICLE SWARM OPTIMIZATION
MARKOV-RANDOM-FIELD
SENSING IMAGERY
ACCURACY ASSESSMENT
RESOLUTION IMAGES
SUBPIXEL SCALE
NEURAL-NETWORK
CLASSIFICATION
pBACode: a random-barcode-based high-throughput approach for BAC paired-end sequencing and physical clone mapping
期刊论文
NUCLEIC ACIDS RESEARCH, 2017
Wei, Xiaolin
;
Xu, Zhichao
;
Wang, Guixing
;
Hou, Jilun
;
Ma, Xiaopeng
;
Liu, Haijin
;
Liu, Jiadong
;
Chen, Bo
;
Luo, Meizhong
;
Xie, Bingyan
;
Li, Ruiqiang
;
Ruan, Jue
;
Liu, Xiao
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
GENOME SEQUENCE
LIBRARY CONSTRUCTION
QUALITY ASSESSMENT
PROVIDES INSIGHTS
IN-VITRO
EVOLUTION
MAP
ILLUMINA
PROJECT
INFORMATION
ACQUISITION SLOPE SURFACE WALKING FOR HUMANOIDS VIA TRANSFER LEARNING
其他
2016-01-01
Wang, Yi
;
Han, Xiaoqiang
;
Liu, Zhan
;
Luo, Dingsheng
;
Wu, Xihong
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
robot
acquire skills
RBM
TL
biased sampling
An ontology matching approach based on affinity-preserving random walks
其他
2015-01-01
Xiang, Chuncheng
;
Chang, Baobao
;
Sui, Zhifang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Mapping soil organic carbon using auxiliary environmental covariates in a typical watershed in the Loess Plateau of China: a comparative study based on three kriging methods and a soil land inference model (SoLIM)
期刊论文
environmental earth sciences, 2015
Wen, Wen
;
Wang, Yafeng
;
Yang, Lin
;
Liang, Di
;
Chen, Liding
;
Liu, Jing
;
Zhu, A-Xing
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Spatial interpolation method
Soil organic carbon
Auxiliary environmental variables
The Loess Plateau regions
REFLECTANCE SPECTROSCOPY
INTERPOLATION METHODS
SOUTHWESTERN CHINA
SPATIAL PREDICTION
MOISTURE
EROSION
PATTERNS
SCALE
MAPS
PRODUCTIVITY
Numerical comparison of three stochastic methods for nonlinear PN junction problems
其他
2014-01-01
Yao, Wenqi
;
Lu, Tiao
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/13
Stochastic partial differential equation
stochastic Galerkin method
stochastic collocation method
Monte Carlo method
PARTIAL-DIFFERENTIAL-EQUATIONS
GENERALIZED POLYNOMIAL CHAOS
MODELING UNCERTAINTY
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