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科研机构
北京大学 [103]
内容类型
期刊论文 [69]
其他 [34]
发表日期
2017 [14]
2016 [20]
2015 [9]
2014 [6]
2013 [6]
2012 [8]
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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
Object-Based Convolutional Neural Network for High-Resolution Imagery Classification
期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2017
Zhao, Wenzhi
;
Du, Shihong
;
Emery, William J.
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2017/12/03
Convolutional neural network (CNN)
deep learning
high-resolution image
image classification
SCENE CLASSIFICATION
HYPERSPECTRAL DATA
MULTISCALE
FEATURES
Toward extending terrestrial laser scanning applications in forestry: a case study of broad- and needle-leaf tree classification
期刊论文
JOURNAL OF APPLIED REMOTE SENSING, 2017
Lin, Yi
;
Jiang, Miao
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
tree classification
broad-leaf
needle-leaf
static terrestrial laser scanning
SPECIES CLASSIFICATION
STATIC TERRESTRIAL
INDIVIDUAL TREES
LIDAR
PARAMETERS
RESOLUTION
AIRBORNE
BIOMASS
REGION
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
Investigating the Impact of Human Activity on Land Use/Cover Change in China's Lijiang River Basin from the Perspective of Flow and Type of Population
期刊论文
SUSTAINABILITY, 2017
Li, Jun
;
Zhang, Yuan
;
Qin, Qiming
;
Yan, Yueguan
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
human activity
land use/cover change
impact analysis
trajectory data analysis
CLASSIFICATION
ENVIRONMENTS
DISTURBANCE
PATTERNS
MEXICO
Investigating Public Facility Characteristics from a Spatial Interaction Perspective: A Case Study of Beijing Hospitals Using Taxi Data
期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2017
Kong, Xiaoqing
;
Liu, Yu
;
Wang, Yuxia
;
Tong, Daoqin
;
Zhang, Jing
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
spatial interaction
hospital service area
public facility characteristics
classification
taxi data
Beijing
HEALTH-CARE
HUMAN MOBILITY
ACCESSIBILITY
EQUITY
PATTERNS
REGION
AREAS
Social Media: New Perspectives to Improve Remote Sensing for Emergency Response
期刊论文
PROCEEDINGS OF THE IEEE, 2017
Li, Jun
;
He, Zhi
;
Plaza, Javier
;
Li, Shutao
;
Chen, Jinfen
;
Wu, Henglin
;
Wang, Yandong
;
Liu, Yu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Deep learning
emergency response
remote sensing
social media
VOLUNTEERED GEOGRAPHIC INFORMATION
CONVOLUTIONAL NEURAL-NETWORKS
LANDSAT TM DATA
DISASTER MANAGEMENT
EVENT DETECTION
BIG DATA
IMAGE CLASSIFICATION
OBJECT DETECTION
FLOOD
GIS
Surface Water Extraction From Landsat 8 OLI Imagery Using the LBV Transformation
期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2017
Zhang, Tianyuan
;
Ren, Huazhong
;
Qin, Qiming
;
Zhang, Chengye
;
Sun, Yuanheng
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Landsat 8 Operational Land Imager (OLI)
LBV transformation
surface water extraction
threshold
WE-LBV
REMOTELY-SENSED IMAGERY
INDEX NDWI
SATELLITE IMAGERY
TIME-SERIES
LAKES
CLASSIFICATION
DELINEATION
SELECTION
CHINA
FLOOD
Spatiotemporal Fuzzy Clustering Strategy for Urban Expansion Monitoring Based on Time Series of Pixel-Level Optical and SAR Images
期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2017
Li, Shuang
;
Wang, Yafei
;
Chen, Peipei
;
Xu, Xinliang
;
Cheng, Chengqi
;
Chen, Bo
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Fuzzy information granulation
optical-synthetic aperture radar (SAR) image time series
pixel level
spatiotemporal fuzzy clustering (STFC)
urban expansion
REMOTE-SENSING IMAGES
UNSUPERVISED CHANGE DETECTION
LAND-COVER CHANGE
WEST-AFRICA
FUSION
AREAS
SEGMENTATION
CLASSIFICATION
CHINA
URBANIZATION
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