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科研机构
北京大学 [251]
内容类型
其他 [146]
期刊论文 [103]
会议论文 [2]
发表日期
2017 [14]
2016 [34]
2015 [43]
2014 [22]
2013 [26]
2012 [19]
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专题:北京大学
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Large-scale mapping of mammalian transcriptomes identifies conserved genes associated with different cell states
期刊论文
NUCLEIC ACIDS RESEARCH, 2017
Yang, Yang
;
Yang, Yu-Cheng T.
;
Yuan, Jiapei
;
Lu, Zhi John
;
Li, Jingyi Jessica
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
LONG NONCODING RNAS
EMBRYONIC STEM-CELLS
EVOLUTIONARY DYNAMICS
EXPRESSION PATTERNS
PARKINSONS-DISEASE
HOUSEKEEPING GENES
ALZHEIMERS-DISEASE
BINDING PROTEINS
SUPER-ENHANCERS
MOUSE
Fast action retrieval from videos via feature disaggregation
期刊论文
COMPUTER VISION AND IMAGE UNDERSTANDING, 2017
Qin, Jie
;
Liu, Li
;
Yu, Mengyang
;
Wang, Yunhong
;
Shao, Ling
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Similarity search
Video retrieval
Feature disaggregation
Learning based hashing
ACTION RECOGNITION
QUANTIZATION
SEARCH
An Improved Adaptive Quantization Method Based on Perceptual CU Early Splitting for HEVC
其他
2017-01-01
Xiang, Guoqing
;
Jia, Huizhu
;
Yang, Mingyuan
;
Liu, Jie
;
Zhu, Chuang
;
Li, Yuan
;
Xie, Xiaodong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
UniWalk: Unidirectional Random Walk Based Scalable SimRank Computation over Large Graph
其他
2017-01-01
Luo, XiongCai
;
Gao, Jun
;
Zhou, Chang
;
Yu, Jeffrey Xu
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  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
A New Budget Allocation Framework for the Expected Opportunity Cost
期刊论文
OPERATIONS RESEARCH, 2017
Gao, Siyang
;
Chen, Weiwei
;
Shi, Leyuan
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2017/12/03
simulation optimization
simulation budget allocation
expected opportunity cost
sequential procedure
SELECTION PROCEDURES
SIMULATED SYSTEM
ORDINAL OPTIMIZATION
SUBSET
2-STAGE
NUMBER
Reducing Image Compression Artifacts by Structural Sparse Representation and Quantization Constraint Prior
期刊论文
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 2017
Zhao, Chen
;
Zhang, Jian
;
Ma, Siwei
;
Fan, Xiaopeng
;
Zhang, Yongbing
;
Gao, Wen
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Blocking artifact reduction
image deblocking
optimization
quantization constraint (QC)
sparse representation
TRANSFORM-DOMAIN
BLOCKING ARTIFACTS
JPEG DECOMPRESSION
CODING ARTIFACTS
DEBLOCKING
REDUCTION
RESTORATION
SIMILARITY
STANDARD
DCT
Efficient SimRank-Based Similarity Join
期刊论文
ACM TRANSACTIONS ON DATABASE SYSTEMS, 2017
Zheng, Weiguo
;
Zou, Lei
;
Chen, Lei
;
Zhao, Dongyan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Similarity
SimRank
upper bound
index-based computation
LARGE NETWORKS
VERTEX COVER
LARGE GRAPHS
SEARCH
OPTIMIZATION
APPROXIMATE
COMPUTATION
QUERIES
High-Efficiency Image Coding via Near-Optimal Filtering
期刊论文
IEEE SIGNAL PROCESSING LETTERS, 2017
Zhang, Xinfeng
;
Wang, Shiqi
;
Zhang, Yabin
;
Lin, Weisi
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
High-efficiency video coding (HEVC)
image compression
near-optimal filter
sample classification
wiener filter
DEBLOCKING FILTER
HEVC STANDARD
SIMILARITY
REDUCTION
Zero-Shot Scene Classification for High Spatial Resolution Remote Sensing Images
期刊论文
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2017
Li, Aoxue
;
Lu, Zhiwu
;
Wang, Liwei
;
Xiang, Tao
;
Wen, Ji-Rong
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
High spatial resolution (HSR) remote sensing images
scene classification
zero-shot learning
LAND-USE CLASSIFICATION
SPARSE REPRESENTATION
MODEL
Objective Quality Assessment of Screen Content Images by Uncertainty Weighting
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2017
Fang, Yuming
;
Yan, Jiebin
;
Liu, Jiaying
;
Wang, Shiqi
;
Li, Qiaohong
;
Guo, Zongming
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Visual quality assessment
screen content image
full-reference quality assessment
uncertainty weighting
NATURAL SCENE STATISTICS
STRUCTURAL SIMILARITY
CONTRAST
INFORMATION
LUMINANCE
GRADIENT
FUSION
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