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科研机构
北京大学 [96]
内容类型
期刊论文 [63]
其他 [33]
发表日期
2017 [3]
2016 [16]
2015 [12]
2014 [2]
2013 [7]
2012 [6]
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专题:北京大学
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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
Method of computer-generated hologram compression and transmission using quantum back-propagation neural network
期刊论文
OPTICAL ENGINEERING, 2017
Liu, Mengjia
;
Yang, Guanglin
;
Xie, Haiyan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
computer-generated hologram
image processing
image reconstruction techniques
quantum optics
quantum information and processing
DIGITAL HOLOGRAMS
Mentalizing Another's Visual World - A Novel Exploration via Motion Aftereffect
期刊论文
FRONTIERS IN PSYCHOLOGY, 2017
Yuan, Xuefei
;
Wang, Nanbo
;
Geng, Haiyan
;
Zhang, Shen
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
visual perspective-taking
mentalization
aftereffect
motion adaptation
facilitation
SPATIAL PERSPECTIVE-TAKING
ORTHOGONAL MOTION
INVISIBLE FACES
GAZE
PERCEPTION
BRAIN
TASK
AREA
TRANSFORMATIONS
INFORMATION
Dynamic Ecological Risk Assessment and Management of Land Use in the Middle Reaches of the Heihe River Based on Landscape Patterns and Spatial Statistics
期刊论文
SUSTAINABILITY, 2016
Fan, Jiahui
;
Wang, Ya
;
Zhou, Zhen
;
You, Nanshan
;
Meng, Jijun
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/04
landscape pattern
ecological risk
spatial statistics
dynamic evaluation
Heihe River
CHINA
Urban or village residents? A case study of the spontaneous space transformation of the forced upstairs farmers' community in Beijing
期刊论文
HABITAT INTERNATIONAL, 2016
Li, Jie
;
Wang, Fang
;
Wuzhati, Shuake
;
Wen, Bufan
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Forced upstairs farmers
Spontaneous space transformation types
Motivations of space transformation
Attitudes toward space transformation
Resettlement
Community spatial needs
AGRICULTURAL LAND LOSS
PEARL RIVER DELTA
CHINA
RELOCATION
POLICY
COMPENSATION
PERSPECTIVE
EXPERIENCES
CONVERSION
EXPANSION
Identifying the urban-rural fringe using wavelet transform and kernel density estimation: A case study in Beijing City, China
期刊论文
ENVIRONMENTAL MODELLING & SOFTWARE, 2016
Peng, Jian
;
Zhao, Shiquan
;
Liu, Yanxu
;
Tian, Lu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Urban-rural fringe
Spatial continuous wavelet transform
Kernel density estimation
Land use degree index
Beijing City
ECOLOGICAL BOUNDARIES
LANDSCAPE STRUCTURE
CARBON STORAGE
UNITED-STATES
URBANIZATION
EXPANSION
SELECTION
DYNAMICS
IMPACTS
MODEL
A layered modulation method for pixel matching in online phase measuring profilometry
期刊论文
OPTICS COMMUNICATIONS, 2016
Li, Hongru
;
Feng, Guoying
;
Bourgade, Thomas
;
Yang, Peng
;
Zhou, Shouhuan
;
Asundi, Anand
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Layered modulation
Pixel matching
Phase measuring profilometry
3D online measurement
Retinex
FOURIER-TRANSFORM PROFILOMETRY
ALGORITHM
PROJECTION
RETINEX
OBJECTS
SHAPES
Optimizing the Temporal Scale in the Assimilation of Remote Sensing and WOFOST Model for Dynamically Monitoring Heavy Metal Stress in Rice
期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2016
Liu, Feng
;
Liu, Xiangnan
;
Wu, Ling
;
Xu, Zhao
;
Gong, Lu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Assimilation
heavy metal stress
remote sensing
rice roots
temporal scale
wavelet transform
WINTER-WHEAT YIELD
LEAF-AREA INDEX
CADMIUM TOXICITY
CHLOROPHYLL CONCENTRATION
PLANT-GROWTH
MODIS-LAI
CONTAMINATION
CHINA
SOILS
ACCUMULATION
A Novel Absolute Orientation Method Using Local Similarities Representation
期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2016
Yan, Lei
;
Wan, Jie
;
Sun, Yanbiao
;
Fan, Shiyue
;
Yan, Yizhen
;
Chen, Rui
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
absolute orientation
similarity transformation
large scale
local similarities
TIN
3D
RECONSTRUCTION
MODELS
CITY
Spatiotemporal characteristics of the geomagnetic diurnal variation anomalies prior to the 2011 Tohoku earthquake (Mw 9.0) and the possible coupling of multiple pre-earthquake phenomena
期刊论文
JOURNAL OF ASIAN EARTH SCIENCES, 2016
Han, Peng
;
Hattori, Katsumi
;
Huang, Qinghua
;
Hirooka, Shinji
;
Yoshino, Chie
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Seismo-magnetic phenomena
Anomalous geomagnetic diurnal variation
Coupling of multiple pre-earthquake phenomena
The Tohoku earthquake
ULF ELECTROMAGNETIC PHENOMENA
NAIRIKU HOKUBU EARTHQUAKE
SEISMIC ELECTRIC SIGNAL
1995 KOBE EARTHQUAKE
NUMERICAL-SIMULATION
WAVELET TRANSFORM
PACIFIC COAST
DEMETER SATELLITE
OKI EARTHQUAKE
POROUS-MEDIA
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