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科研机构
北京大学 [31]
内容类型
期刊论文 [20]
其他 [11]
发表日期
2017 [2]
2016 [4]
2015 [3]
2014 [2]
2013 [6]
2012 [3]
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专题:北京大学
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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
DCT Regularized Extreme Visual Recovery
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2017
Wang, Yunhe
;
Xu, Chang
;
You, Shan
;
Xu, Chao
;
Tao, Dacheng
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Discrete cosine transform
visual recovery
DCT regularizer
Low-rank minimization
DISCRETE COSINE TRANSFORM
MATRIX COMPLETION
LOW-RANK
CONSTRAINED OPTIMIZATION
IMAGE
MINIMIZATION
NORM
RESTORATION
ALGORITHMS
DOMAIN
GPU based sample adaptive offset parameter decision and perceptual optimization for HEVC
其他
2016-01-01
Luo, Falei
;
Wang, Shanshe
;
Zhang, Nan
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Adaptive Resource Allocation for Scalable Video Transmission over OFDMA Systems
期刊论文
WIRELESS PERSONAL COMMUNICATIONS, 2016
Yang, Zan
;
Zhao, Yuping
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Scalable video
H.264
OFDMA
Adaptive modulation and coding
Subcarrier allocation
REAL-TIME VIDEO
NETWORKS
GPU Based Sample Adaptive Offset Parameter Decision and Perceptual Optimization for HEVC
其他
2016-01-01
Luo, Falei
;
Wang, Shanshe
;
Zhang, Nan
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
HEVC
SAO
GPU
Lagrange multiplier
perceptual optimization
IMAGE QUALITY ASSESSMENT
VIDEO CODING HEVC
STRUCTURAL SIMILARITY
NORMALIZATION
STANDARD
Evaluation of a Wobbling Method Applied to Correcting Defective Pixels of CZT Detectors in SPECT Imaging
期刊论文
SENSORS, 2016
Xie, Zhaoheng
;
Li, Suying
;
Yang, Kun
;
Xu, Baixuan
;
Ren, Qiushi
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
semiconductor detector
CZT
defective points
calibration
wobbling method
NUCLEAR-MEDICINE
CDTE
PROGRESS
浓度序列对基于双异步正交样品设计构建的二维异步谱峰信噪比的影响
期刊论文
光谱学与光谱分析, 2015
张瑾
;
郭然
;
康廷国
;
贺安琪
;
翁诗甫
;
夏锦明
;
凌晓锋
;
徐怡庄
;
吴瑾光
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
双异步正交样品设计
红外光谱
交叉峰强
DAOSD
Infrared spectra
Cross peaks intensity
SAMPLE DESIGN SCHEME
2-DIMENSIONAL SYNCHRONOUS SPECTROSCOPY
PROBING INTERMOLECULAR INTERACTIONS
DIPOLE-DIPOLE INTERACTIONS
SOLUTION MIXTURES
AOSD APPROACH
COORDINATION
RAMAN
ACID
Adaptive General Scale Interpolation Based on Weighted Autoregressive Models
期刊论文
ieee transactions on circuits and systems for video technology, 2015
Li, Mading
;
Liu, Jiaying
;
Ren, Jie
;
Guo, Zongming
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
Autoregressive (AR) model
general scale
interpolation
pixel similarity
CUBIC CONVOLUTION INTERPOLATION
EDGE-DIRECTED INTERPOLATION
IMAGE INTERPOLATION
SIMILARITY
Direct Electrochemistry of Glucose Oxidase on a Three-Dimensional Porous Zirconium Phosphate-Carbon Aerogel Composite
期刊论文
ELECTROCATALYSIS, 2015
Yu, Zhihui
;
Kou, Yanna
;
Dai, Ying
;
Wang, Xiayan
;
Wei, Hang
;
Xia, Dingguo
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Zirconium phosphate
Carbon aerogel
Glucose oxidase
Direct electrochemistry
ENZYME IMMOBILIZATION
BIOSENSOR
CONSTRUCTION
ELECTRODE
TIO2
FILM
Group-Based Sparse Representation for Image Restoration
期刊论文
ieee transactions on image processing, 2014
Zhang, Jian
;
Zhao, Debin
;
Gao, Wen
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/11
Image restoration
sparse representation
nonlocal self-similarity
deblurring
inpainting
compressive sensing
COMPRESSIVE SENSING RECOVERY
TOTAL VARIATION MINIMIZATION
ALGORITHMS
PURSUIT
SUPERRESOLUTION
RECONSTRUCTION
REGULARIZATION
APPROXIMATION
DICTIONARIES
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