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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 发表日期：2017    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 Cultural landscape of the eastern Qinghai-Tibet Plateau protecting both avian diversity and endemism 其他 2017-01-01 Li Li 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 landscape heterogeneity  biodiversity  alpine meadow  Sanjiangyuan Nature Reserve  degradation restoration  Unmanned Aerial Vehicles  landscape heterogeneity  biodiversity  alpine meadow  Sanjiangyuan Nature Reserve  degradation restoration  Unmanned Aerial Vehicles   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   Bayer demosaicking using optimised mean curvature over RGB channels 期刊论文 ELECTRONICS LETTERS, 2017 Chen, Rui; Jia, Huizhu; Wen, Xiange; Xie, Xiaodong 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 image segmentation  image resolution  image colour analysis  interpolation  image reconstruction  image restoration  optimised mean-curvature model  RGB channel  Bayer image demosaicking method  interpolation  cross-channel aliasing  variational MC model  G-image surface restoration  linear MC model  image resolution  image colour analysis   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   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   Blind restoration for nonuniform aerial images using nonlocal Retinex model and shearlet-based higher-order regularization 期刊论文 JOURNAL OF ELECTRONIC IMAGING, 2017 Chen, Rui; Jia, Huizhu; Xie, Xiaodong; Gao, Wen 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 blind restoration  nonuniform illumination correction  nonlocal Retinex  discrete nonseparable shearlet transform  total generalized variation  PRESERVING REGULARIZATION  ATMOSPHERIC-TURBULENCE  SPARSE REPRESENTATION  SINGLE IMAGE  DECONVOLUTION  ALGORITHMS  RECOVERY   Retrieval Compensated Group Structured Sparsity for Image Super-Resolution 期刊论文 IEEE TRANSACTIONS ON MULTIMEDIA, 2017 Liu, Jiaying; Yang, Wenhan; Zhang, Xinfeng; Guo, Zongming 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 External method  internal method  retrieval compensation  super-resolution  structured sparsity  REPRESENTATION  ALGORITHMS  REGULARIZATION  APPROXIMATION  INTERPOLATION  DICTIONARIES  RESTORATION  PURSUIT  MODEL