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科研机构
北京大学 [138]
内容类型
其他 [83]
期刊论文 [55]
发表日期
2017 [4]
2016 [7]
2015 [8]
2014 [15]
2013 [17]
2012 [12]
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共138条,第1-10条
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专题:北京大学
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Review on the Fate and Mechanism of Nitrogen Pollutant Removal from Wastewater Using a Biological Filter
期刊论文
POLISH JOURNAL OF ENVIRONMENTAL STUDIES, 2017
Wang, Honglei
;
Zhi, Wei
;
Deng, Na
;
Ji, Guodong
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
biotransformation
nitrogen removal
biofilter
wasterwater
nitrogen microorganisms
ANAEROBIC AMMONIUM OXIDATION
MICROCYCLE FUNCTIONAL GENES
LOADING RATE CONSTRAINTS
NITRITE CANON PROCESS
BED TRICKLING FILTER
MICROBIAL COMMUNITY
BIOFILTRATION SYSTEMS
MULTIMEDIA BIOFILTER
OXYGEN CONCENTRATION
OXIDIZING ARCHAEA
Throughput Optimization for Streaming Applications on CPU-FPGA Heterogeneous Systems
其他
2017-01-01
Wei, Xuechao
;
Liang, Yun
;
Wang, Tao
;
Lu, Songwu
;
Cong, Jason
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
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
Nonlocal Gradient Sparsity Regularization for Image Restoration
期刊论文
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 2017
Liu, Hangfan
;
Xiong, Ruiqin
;
Zhang, Xinfeng
;
Zhang, Yongbing
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Content-adaptive modeling
gradient sparsity
image restoration
nonlocal (NL) similarity
total variation (TV) regularization
TOTAL VARIATION MINIMIZATION
ADAPTIVE TOTAL VARIATION
ARTIFACT REDUCTION
TRANSFORM-DOMAIN
NOISE REMOVAL
RECONSTRUCTION
ALGORITHM
RECOVERY
SUPERRESOLUTION
DECONVOLUTION
A general PID-based rate adaptation approach for TCP-based live streaming over mobile networks
其他
2016-01-01
Wang, Jiexi
;
Meng, Shengbin
;
Sun, Jun
;
Quo, Zongming
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Saliency-Guided Quality Assessment of Screen Content Images
期刊论文
IEEE TRANSACTIONS ON MULTIMEDIA, 2016
Gu, Ke
;
Wang, Shiqi
;
Yang, Huan
;
Lin, Weisi
;
Zhai, Guangtao
;
Yang, Xiaokang
;
Zhang, Wenjun
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Image quality assessment (IQA)
screen content images (SCI)
visual saliency
VISUAL-ATTENTION
STRUCTURAL SIMILARITY
NEURAL MECHANISMS
MODEL
INFORMATION
Semi-Supervised Cross-Media Feature Learning With Unified Patch Graph Regularization
期刊论文
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 2016
Peng, Yuxin
;
Zhai, Xiaohua
;
Zhao, Yunzhen
;
Huang, Xin
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Cross-media retrieval
patch graph regularization
semi-supervised cross-media feature learning
IMAGE RETRIEVAL
PROJECTION
DOMAIN
MODEL
A GENERAL PID-BASED RATE ADAPTATION APPROACH FOR TCP-BASED LIVE STREAMING OVER MOBILE NETWORKS
其他
2016-01-01
Wang, Jiexi
;
Meng, Shengbin
;
Sun, Jun
;
Guo, Zongming
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
TCP
live streaming
rate adaptation
video transmission
network
A NEW REVERSIBLE DATA HIDING SCHEME BASED ON HIGH-DIMENSIONAL PIXEL-INTENSITY-HISTOGRAM MODIFICATION
其他
2016-01-01
Cai, Siren
;
Li, Xiaolong
;
Xue, Bowen
;
Guo, Zongming
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Reversible data hiding
histogram modification
pixel selection
DIFFERENCE EXPANSION
WATERMARKING
PREDICTION
Joint Power Allocation and Location Optimization for Full-Duplex Amplify-and-Forward Relay Networks
其他
2016-01-01
Li, Shuai
;
Yang, Kun
;
Zhou, Mingxin
;
Wu, Jianjun
;
Song, Lingyang
;
Li, Yonghui
;
Li, Hongbin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Full duplex
amplify-and-forward relay
SER performance
power allocation
location optimization
RESOURCE-ALLOCATION
SYSTEMS
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