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科研机构
北京大学 [23]
内容类型
期刊论文 [23]
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2017 [2]
2016 [4]
2015 [2]
2014 [4]
2013 [3]
2012 [1]
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内容类型:期刊论文
专题:北京大学
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基于照度调整的矿井非均匀照度视频图像增强算法
期刊论文
煤炭学报, 2017
智宁
;
毛善君
;
李梅
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
非均匀照度
多尺度引导滤波
亮度调整
细节增强参数
照度增强系数
non-uniform illumination
multiscale guided filter
illumination adjustment
detail enhancement coefficient
the illumination enhancement coefficient
Multi-scaling allometric analysis for urban and regional development
期刊论文
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2017
Chen, Yanguang
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Allometric growth
Allometric scaling
Fractal dimension
Complex spatial system
Spatio-temporal evolution
Urbanization
ZIPFS LAW
CITIES
GROWTH
SIZE
EVOLUTION
GEOMETRY
SHAPE
LIFE
Extracting building patterns with multilevel graph partition and building grouping
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2016
Du, Shihong
;
Luo, Liqun
;
Cao, Kai
;
Shu, Mi
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Building patterns
Collinear patterns
Grid patterns
Multilevel graph partition
Urban structures and functions
MAPS
Performance evaluation of a nonimaging solar concentrator in terms of optical and thermal characteristics
期刊论文
ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY, 2016
Ustaoglu, Abid
;
Okajima, Junnosuke
;
Zhang, Xin-Rong
;
Maruyama, Shigenao
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
compound parabolic concentrator
involute reflector
evacuated tube
ray tracing
uniform temperature distribution
solar collector
FLAT-PLATE
COLLECTORS
REFLECTOR
DESIGN
TUBE
LOSSES
GAPS
组合结构的残余振动最小化结构优化设计
期刊论文
北京工业大学学报, 2016
阎琨
;
刘晓德
;
程耿东
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  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
残余振动
半解析灵敏度求解方法
组合结构
结构优化
residual vibration
semi-analytic sensitivity method
combined structure
structure optimization
Efficient evaluation of gas recovery enhancement by hydraulic fracturing in unconventional reservoirs
期刊论文
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2016
Li, Junchao
;
Lei, Zhengdong
;
Tang, Huiying
;
Tian, Changbing
;
Gong, Bin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
Unconventional gas reservoirs
Enhanced gas recovery
Hydraulic fracturing
Hybrid modeling
Fast evaluation
NUMERICAL-SIMULATION
FINITE-ELEMENT
DISCRETE
MODEL
MEDIA
FLOW
GALERKIN
OIL
A new segmentation method for very high resolution imagery using spectral and morphological information
期刊论文
isprs journal of photogrammetry and remote sensing, 2015
Liu, Jing
;
Li, Peijun
;
Wang, Xue
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  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Very high resolution image
Image segmentation
Morphological profile
Seeded region growing
Region merging
GEOBIA
HAUSDORFF DISTANCE
PIXEL CLASSIFICATION
HYPERSPECTRAL DATA
SATELLITE IMAGERY
SHAPE-FEATURES
MULTIRESOLUTION
PROFILES
GIS
EXTRACTION
OBJECTS
A novel dynamical 3D smile measurement method to evaluate the effects of face-lifting surgery: Based on the optical structured light strategy
期刊论文
OPTIK, 2015
Li, Jia
;
Zhou, Junhong
;
Zhang, Jue
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Plastic surgery
Smile measurement
Color encoded
Structured light
PATTERN PROJECTION
SHAPE MEASUREMENT
Trinary-Projection Trees for Approximate Nearest Neighbor Search
期刊论文
ieee模式分析与机器智能汇刊, 2014
Wang, Jingdong
;
Wang, Naiyan
;
Jia, You
;
Li, Jian
;
Zeng, Gang
;
Zha, Hongbin
;
Hua, Xian-Sheng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
Approximate nearest neighbor search
KD trees
trinary-projection trees
TEXTURE SYNTHESIS
SHAPE
ALGORITHMS
SPACES
SCENE
GRAPH
SET
Performance demonstration and evaluation of the synergetic application of vanadium dioxide glazing and phase change material in passive buildings
期刊论文
applied energy, 2014
Long, Linshuang
;
Ye, Hong
;
Gao, Yanfeng
;
Zou, Ruqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/11
Synergetic application
Vanadium dioxide glazing
Phase change material
Performance evaluation
Energy Saving Equivalent
Energy Saving Index
THERMAL-ENERGY STORAGE
CHANGE MATERIALS PCMS
SHAPE-STABILIZED PCM
LIFE-CYCLE
INSULATOR-TRANSITION
SMART WINDOWS
SAVING INDEX
DESIGN
TRANSPARENT
TEMPERATURE
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