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浏览/检索结果: 共12条，第1-10条 帮助 限定条件 发表日期：2014    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 Biostratigraphic and chemostratigraphic constraints on the age of early Neoproterozoic carbonate successions in North China 期刊论文 precambrian research, 2014 Xiao, Shuhai; Shen, Bing; Tang, Qing; Kaufman, Alan J.; Yuan, Xunlai; Li, Jianhua; Qian, Maiping 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Carbon isotopes  Sulfur isotopes  Acritarchs  Vase-shaped microfossils  Neoproterozoic  North China  VASE-SHAPED MICROFOSSILS  U-PB AGES  ISOTOPIC COMPOSITION  XIAMALING FORMATION  PROTEROZOIC SUCCESSIONS  DOUSHANTUO FORMATION  NORTHWESTERN CANADA  COMPRESSION FOSSILS  LIULAOBEI FORMATION  EAST GREENLAND   Towards Mobile Document Image Retrieval for Digital Library 期刊论文 ieee transactions on multimedia, 2014 Duan, Ling-Yu; Ji, Rongrong; Chen, Zhang; Huang, Tiejun; Gao, Wen 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Digital library  Hamming space  inner-distance  JBIG2 compression  K-D tree  line drawing retrieval  mobile visual search  shape context  RECOGNITION  FEATURES  SHAPE  SIMILARITY  SEARCH   Rate-adaptive Compact Fisher Codes for Mobile Visual Search 期刊论文 ieee signal processing letters, 2014 Lin, Jie; Duan, Ling-Yu; Huang, Yaping; Luo, Siwei; Huang, Tiejun; Gao, Wen 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Compact descriptors  compression  Fisher vector  mobile visual search  rate adaptation   Low Complexity Adaptive View Synthesis Optimization in HEVC Based 3D Video Coding 期刊论文 ieee transactions on multimedia, 2014 Ma, Siwei; Wang, Shiqi; Gao, Wen 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 3D video coding  computational complexity  view synthesis optimization  zero synthesized view difference  COMPRESSION  REPRESENTATION   Reversible data hiding using invariant pixel-value-ordering and prediction-error expansion 期刊论文 signal processing image communication, 2014 Ou, Bo; Li, Xiaolong; Zhao, Yao; Ni, Rongrong 收藏  |  浏览/下载：10/0  |  提交时间：2015/11/11 Reversible data hiding  Pixel-value-ordering  Prediction-error expansion  Performance optimization  GENERALIZED INTEGER TRANSFORM  HISTOGRAM-MODIFICATION  IMAGE WATERMARKING  DIFFERENCE EXPANSION  SCHEME  ALGORITHM  AUTHENTICATION  COMPRESSION  FRAMEWORK   A high capacity reversible data hiding scheme based on generalized prediction-error expansion and adaptive embedding 期刊论文 signal processing, 2014 Gui, Xinlu; Li, Xiaolong; Yang, Bin 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Reversible data hiding  Generalized PEE  Adaptive embedding  Complexity partition  HUMAN VISUAL-SYSTEM  HISTOGRAM-MODIFICATION  INTEGER TRANSFORM  DIFFERENCE EXPANSION  IMAGE WATERMARKING  ALGORITHM  AUTHENTICATION  COMPRESSION   Efficient two-stage early SKIP mode termination for depth video coding 期刊论文 computers electrical engineering, 2014 Zeng, Huanqiang; Wang, Yongtao; Wei, Zhe; Cai, Canhui 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 COMPRESSION   基于64位体系结构的倒排索引压缩算法 期刊论文 计算机工程, 2014 张旭东; 孙志明; 刘亚宁; 单栋栋; 闫宏飞 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/11 倒排索引  索引压缩  64 位体系结构  搜索引擎  信息检索  inverted index  index compression  64-bit architecture  search engine  information retrieval   A novel 3D geometrical reconstruction method for aluminum foams and FEM modeling of the material response 期刊论文 Theoretical & Applied Mechanics Letters, 2014 Xiaolei Zhu; Shigang Ai; Xiaofeng Lu; Lingxue Zhu; Bin Liu 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 aluminum foam  reconstruction geometrical  compression  X-ray computed tomography   A NEW LOSSY COMPRESSION SCHEME FOR ENCRYPTED GRAY-SCALE IMAGES 其他 2014-01-01 Hu, Ran; Li, Xiaolong; Yang, Bin 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/13 Lossy compression  image encryption  image reconstruction  context-adaptive interpolation