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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Investigating the impact of regional transport on PM2.5 formation using vertical observation during APEC 2014 Summit in Beijing 期刊论文 ATMOSPHERIC CHEMISTRY AND PHYSICS, 2016 Hua, Yang; Wang, Shuxiao; Wang, Jiandong; Jiang, Jingkun; Zhang, Tianshu; Song, Yu; Kang, Ling; Zhou, Wei; Cai, Runlong; Wu, Di; Fan, Siwei; Wang, Tong; Tang, Xiaoqing; Wei, Qiang; Sun, Feng; Xiao, Zhimei 收藏  |  浏览/下载：1/0  |  提交时间：2017/12/03 EMISSION CONTROLS  URBAN CANOPY  AIR-QUALITY  CHINA  AEROSOL  HAZE  LIDAR   Image Denoising via Bandwise Adaptive Modeling and Regularization Exploiting Nonlocal Similarity 期刊论文 IEEE TRANSACTIONS ON IMAGE PROCESSING, 2016 Xiong, Ruiqin; Liu, Hangfan; Zhang, Xinfeng; Zhang, Jian; Ma, Siwei; Wu, Feng; Gao, Wen 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 Image denoising  transform domain modeling  bandwise modeling  adaptive regularization  adaptive soft-thresholding  nonlocal similarity  GAUSSIAN MIXTURE-MODELS  SPARSE REPRESENTATION  LEARNED DICTIONARIES  TRANSFORM-DOMAIN  RESTORATION  NOISE  RECONSTRUCTION  COMPRESSION  ESTIMATORS  REGRESSION   Optimal entropy-constrained non-uniform scalar quantizer design for low bit-rate pixel domain DVC 期刊论文 multimedia tools and applications, 2014 Wu, Bo; Zhang, Nan; Ma, Siwei; Zhao, Debin; Gao, Wen 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 DVC  Non-uniform scalar quantizer  Optimal quantizer  INFORMATION  DISTORTION  CODES   G-CAST: Gradient based image softcast for perception-friendly wireless visual communication 其他 2014-01-01 Xiong, Ruiqin; Liu, Hangfan; Ma, Siwei; Fan, Xiaopeng; Wu, Feng; Gao, Wen 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/17 POWER-DISTORTION OPTIMIZATION FOR WIRELESS IMAGE/VIDEO SOFTCAST BY TRANSFORM COEFFICIENTS ENERGY MODELING WITH ADAPTIVE CHUNK DIVISION 其他 2013-01-01 Xiong, Ruiqin; Wu, Feng; Fan, Xiaopeng; Luo, Chong; Ma, Siwei; Gao, Wen 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 wireless visual communication  SoftCast  power allocation  transform coefficients modeling  optimization  VISUAL COMMUNICATION   Improved spatial aided low delay Wyner-Ziv video coding by wavelet shrinkage 其他 2011-01-01 Wu, Bo; Zhang, Nan; Ma, Siwei; Gao, Wen 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 Learning-based image restoration for compressed image through neighboring embedding 其他 2008-01-01 Ma, Lin; Wu, Feng; Zhao, Debin; Gao, Wen; Ma, Siwei 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13