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科研机构
北京大学 [15]
内容类型
期刊论文 [13]
其他 [2]
发表日期
2017 [2]
2016 [2]
2015 [1]
2014 [1]
2013 [2]
2012 [1]
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共15条,第1-10条
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专题:北京大学
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Loading history dependence of retardation time of calcium-silicate-hydrate
期刊论文
CONSTRUCTION AND BUILDING MATERIALS, 2017
Chen, Jian-Kang
;
Qian, Chen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Calcium-silicate-hydrate (C-S-H)
Creep
Nanoindentation
Retardation time
Loading rate
Power law
C-S-H
CEMENT-BASED MATERIALS
CREEP-PROPERTIES
NANOINDENTATION
CONCRETE
ELASTICITY
POROSITY
SURFACE
PASTE
GEL
Sequential Deep Trajectory Descriptor for Action Recognition With Three-Stream CNN
期刊论文
IEEE TRANSACTIONS ON MULTIMEDIA, 2017
Shi, Yemin
;
Tian, Yonghong
;
Wang, Yaowei
;
Huang, Tiejun
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Action recognition
sequential deep trajectory descriptor (sDTD)
three-stream framework
long-term motion
Extracting the regional common-mode component of GPS station position time series from dense continuous network
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 2016
Tian, Yunfeng
;
Shen, Zheng-Kang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
GPS
position time series
common-mode component
spatial correlation
spatial filtering
transient
LONG VALLEY CALDERA
CALIFORNIA
CASCADIA
EARTHQUAKE
DEFORMATION
MOTION
UPLIFT
SLIP
A low-complexity sensor fusion algorithm based on a fiber-optic gyroscope aided camera pose estimation system
期刊论文
SCIENCE CHINA-INFORMATION SCIENCES, 2016
Tan, Zhongwei
;
Yang, Chuanchuan
;
Li, Yuliang
;
Yan, Yan
;
He, Changhong
;
Wang, Xinyue
;
Wang, Ziyu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
visual tracking
camera pose estimation
fiber-optic gyroscope
low-complexity
sensor fusion
FRAME RATE VIDEO
KALMAN FILTER
TRACKING
Sharpened cortical tuning and enhanced cortico-cortical communication contribute to the long-term neural mechanisms of visual motion perceptual learning
期刊论文
神经影像, 2015
Chen Nihong
;
Bi Taiyong
;
Zhou Tiangang
;
Li Sheng
;
Liu Zili
;
Fang Fang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/11
Dynamic causal modeling,Functional magnetic resonance imaging,Multivariate analysis,Perceptual learning,Visual cortex
Background-Modeling-Based Adaptive Prediction for Surveillance Video Coding
期刊论文
ieee transactions on image processing, 2014
Zhang, Xianguo
;
Huang, Tiejun
;
Tian, Yonghong
;
Gao, Wen
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2015/11/10
Surveillance video
background modeling
background difference
background reference
block classification
MOTION COMPENSATION
SUBTRACTION
FRAMES
EFFICIENCY
SEQUENCES
SELECTION
Fast and Efficient Transcoding Based on Low-Complexity Background Modeling and Adaptive Block Classification
期刊论文
ieee transactions on multimedia, 2013
Zhang, Xianguo
;
Huang, Tiejun
;
Tian, Yonghong
;
Geng, Mingchao
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
Background modeling
classification
surveillance and conference videos
transcoding.
MOTION ESTIMATION
PREDICTION
MPEG-2
FRAMES
H.264
A CODING UNIT CLASSIFICATION BASED AVC-TO-HEVC TRANSCODING WITH BACKGROUND MODELING FOR SURVEILLANCE VIDEOS
其他
2013-01-01
Xing, Peiyin
;
Tian, Yonghong
;
Zhang, Xianguo
;
Wang, Yaowei
;
Huang, Tiejun
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/16
video transcoding
surveillance video
HEVC
coding unit classification
background modeling
Flow and heat transfer characteristics of supercritical CO2 in a natural circulation loop
期刊论文
international journal of thermal sciences, 2012
Cao, Yuhui
;
Zhang, Xin-Rong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
Carbon dioxide
Supercritical fluid
Heat transfer
Natural circulation loop
CARBON-DIOXIDE
PERIODIC OSCILLATION
CONVECTION
SYSTEMS
TUBE
PERFORMANCE
INSTABILITY
EXCHANGERS
CYCLE
Transpacific transport of benzo[a]pyrene emitted from Asia
期刊论文
atmospheric chemistry and physics, 2011
Zhang, Y.
;
Tao, S.
;
Ma, J.
;
Simonich, S.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/13
POLYCYCLIC AROMATIC-HYDROCARBONS
LONG-RANGE TRANSPORT
SEMIVOLATILE ORGANIC-COMPOUNDS
LUNG-CANCER RISK
ATMOSPHERIC TRANSPORT
PART 2
SEASONAL-VARIATIONS
GLOBAL DISTRIBUTION
EMISSION INVENTORY
WINTER MONSOON
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