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科研机构
北京大学 [31]
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其他 [25]
期刊论文 [6]
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2016 [2]
2015 [2]
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浏览/检索结果:
共31条,第1-10条
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专题:北京大学
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Matching the phenology of Net Ecosystem Exchange and vegetation indices estimated with MODIS and FLUXNET in-situ observations
期刊论文
REMOTE SENSING OF ENVIRONMENT, 2016
Balzarolo, M.
;
Vicca, S.
;
Nguy-Robertson, A. L.
;
Bonal, D.
;
Elbers, J. A.
;
Fu, Y. H.
;
Gruenwald, T.
;
Horemans, J. A.
;
Papale, D.
;
Penuelas, J.
;
Suyker, A.
;
Veroustraete, F.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Vegetation indices (VI&apos
Net Ecosystem Exchange (NEE)
Start of net carbon uptake (SGS(NEE))
Start of growing season (SGS)
Plant functional types (PFT&apos
Phenology
INDUCED CHLOROPHYLL FLUORESCENCE
PHOTOCHEMICAL REFLECTANCE INDEX
SATELLITE SENSOR DATA
LEAF-AREA INDEX
CARBON UPTAKE
MONITORING VEGETATION
TIME-SERIES
PHOTOSYNTHETIC EFFICIENCY
DECIDUOUS FOREST
SPECTRAL INDEX
s)
s)
3D exemplar-based random walks for tooth segmentation from cone-beam computed tomography images
期刊论文
MEDICAL PHYSICS, 2016
Pei, Yuru
;
Ai, Xingsheng
;
Zha, Hongbin
;
Xu, Tianmin
;
Ma, Gengyu
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/04
exemplar-based random walks
tooth segmentation
adaptive soft constraints
iterative refinement
LEVEL-SET
TEETH
CT
RECONSTRUCTION
ALGORITHM
MODELS
FLOW
Cross Indexing With Grouplets
期刊论文
IEEE TRANSACTIONS ON MULTIMEDIA, 2015
Zhang, Shiliang
;
Wang, Xiaoyu
;
Lin, Yuanqing
;
Tian, Qi
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Image indexing
large-scale image retrieval
OBJECT RETRIEVAL
BINARY DESCRIPTOR
IMAGE RETRIEVAL
SEARCH
FEATURES
SIMILARITY
Multi-View Intact Space Learning
期刊论文
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, 2015
Xu, Chang
;
Tao, Dacheng
;
Xu, Chao
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Multi-view learning
robust algorithms
IMAGE CLASSIFICATION
BREAKDOWN POINTS
COVERING NUMBER
REGULARIZATION
ESTIMATORS
Edge-Preserving Smoothing for Image Decomposition via a Hybrid Approach
其他
2014-01-01
Wang, Yang
;
Liu, Hongzhi
;
Wu, Zhonghai
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/13
Image decomposition
edge-preserving smoothing
local extrema
intensity amplitude
oscillations density
ANISOTROPIC DIFFUSION
COLORIZATION
REDUCTION
Modeling Non-Monotonic Properties under Propositional Argumentation
其他
2013-01-01
Wang, Geng
;
Lin, Zuoquan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Propositional Argumentation
Non-monotonic Reasoning
Dialectical Argumentation Game
Argumentative Model
Gradient skewness tensors and local illumination detection for images
其他
2013-01-01
Zhang, Fan
;
Zhou, Bingyin
;
Peng, Lizhong
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/10
Gradient skewness
Tensors
Illumination detection
Eigenvalues
SUPERSYMMETRIC TENSOR
EIGENVALUES
DIFFUSION
Error Feedback Based Lexical Entity Extraction for Chinese Language Modeling
其他
2013-01-01
Liu, Yi
;
Hua, Jing
;
Li, Xiangang
;
Wu, Xihong
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/13
Chinese language modeling
lexical entity extraction
lexical entity selection
error feedback
phoneme-to-grapheme conversion
WORD EXTRACTION
VARIETY
OVERVIEW OF IEEE 1857 VIDEO CODING STANDARD
其他
2013-01-01
Ma, Siwei
;
Wang, Shiqi
;
Gao, Wen
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
IEEE 1857
AVS
internet video
surveillance
background picture
Hardware Implementation on the Weight Calculation of Iterative Algorithm for CT Image Reconstruction
期刊论文
etri journal, 2013
Cao, Xixin
;
Ma, Kaisheng
;
Lian, Renchun
;
Zhang, Qihui
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/11/13
Weight calculation
circular pixel model
segmentation method
simulation
FPGA
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