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科研机构
北京大学 [42]
内容类型
期刊论文 [24]
其他 [18]
发表日期
2017 [3]
2016 [2]
2015 [5]
2014 [2]
2013 [4]
2012 [3]
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专题:北京大学
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Effects of topography on structuring species assemblages in a subtropical forest
期刊论文
JOURNAL OF PLANT ECOLOGY, 2017
Wang, Qinggang
;
Punchi-Manage, Ruwan
;
Lu, Zhijun
;
Franklin, Scott B.
;
Wang, Zhiheng
;
Li, Yaoqi
;
Chi, Xiulian
;
Bao, Dachuan
;
Guo, Yili
;
Lu, Junmeng
;
Xu, Yaozhan
;
Qiao, Xiujuan
;
Jiang, Mingxi
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2017/12/03
multivariate regression tree analysis
habitat filtering
rare species
Badagongshan
MULTIVARIATE REGRESSION TREES
LANKAN DIPTEROCARP FOREST
HABITAT ASSOCIATIONS
RAIN-FOREST
PLANT-COMMUNITIES
SPATIAL-PATTERNS
TROPICAL FOREST
BETA DIVERSITY
DISTRIBUTIONS
RARE
A Novel Method of Evaluating Knee Joint Stability of Patients with Knee Osteoarthritis: Multiscale Entropy Analysis with A Knee-Aiming Task
期刊论文
SCIENTIFIC REPORTS, 2017
Zhou, Diange
;
Zhang, Shijie
;
Zhang, Hui
;
Jiang, Long
;
Zhang, Jue
;
Fang, Jing
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
DYNAMICS
MODEL
Linear Soft Combination for Cooperative Spectrum Sensing in Cognitive Radio Networks
期刊论文
IEEE COMMUNICATIONS LETTERS, 2017
Guo, Huayan
;
Jiang, Wei
;
Luo, Wu
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Cognitive radio
cooperative spectrum sensing
soft combining
linear fusion rule
LLR-based detector
FADING CHANNELS
Re-estimating NH3 Emissions from Chinese Cropland by a New Nonlinear Model
期刊论文
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2016
Zhou, Feng
;
Ciais, Philippe
;
Hayashi, Kentaro
;
Galloway, James
;
Kim, Dong-Gill
;
Yang, Changliang
;
Li, Shiyu
;
Liu, Bin
;
Shang, Ziyin
;
Gao, Shuoshuo
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
AMMONIA VOLATILIZATION
ATMOSPHERIC AMMONIA
CROPPING SYSTEM
UREA
SOIL
NITROGEN
RICE
SLURRY
MANURE
FIELD
Local Rademacher Complexity for Multi-Label Learning
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2016
Xu, Chang
;
Liu, Tongliang
;
Tao, Dacheng
;
Xu, Chao
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Multi-label learning
local Rademacher complexity
IMAGE CLASSIFICATION
THRESHOLDING ALGORITHM
TEXT CATEGORIZATION
MATRIX COMPLETION
ANNOTATION
SETS
KNN
Forecasting Equity Premium: Global Historical Average Versus Local Historical Average and Constraints
其他
2015-01-01
Lee, Tae-Hwy
;
Tu, Yundong
;
Ullah, Aman
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Bagging
Semiparametric single index model
Equity premium
Model averaging
Nonparametric local historical average model
Positivity constraint
SINGLE-INDEX MODELS
NONPARAMETRIC COINTEGRATING REGRESSION
Video Compression Artifact Reduction via Spatio-Temporal Multi-Hypothesis Prediction
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2015
Zhang, Xinfeng
;
Xiong, Ruiqin
;
Lin, Weisi
;
Ma, Siwei
;
Liu, Jiaying
;
Gao, Wen
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Compression artifacts
block transform coding
auto-regressive
non-local estimation
multiple hypotheses
DEBLOCKING FILTER
TRANSFORM-DOMAIN
HEVC STANDARD
CODED IMAGES
INTERPOLATION
SIMILARITY
ALGORITHM
SPARSE
DCT
Image denoising via adaptive soft-thresholding based on non-local samples
其他
2015-01-01
Liu, Hangfan
;
Xiong, Ruiqin
;
Zhang, Jian
;
Gao, Wen
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Image Denoising via Adaptive Soft-Thresholding Based on Non-Local Samples
其他
2015-01-01
Liu, Hangfan
;
Xiong, Ruiqin
;
Zhang, Jian
;
Gao, Wen
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
LEARNED DICTIONARIES
TRANSFORM-DOMAIN
RESTORATION
SPARSE
ALGORITHMS
Symmetry based prostate cancer detection
期刊论文
BRITISH JOURNAL OF RADIOLOGY, 2015
Yang, L.
;
Xie, Y.
;
Li, B.
;
Xie, M.
;
Wang, X.
;
Zhang, J.
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
CONTRAST-ENHANCED MRI
ADENOCARCINOMA
CARCINOMA
LOCALIZATION
STATISTICS
ANTIGEN
IMAGES
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