成果/Result
- LEARN: Learned Experts' Assessment-Based Reconstruction Network for Sparse-Data CT被引量:231收藏
- 作者:Chen, Hu Zhang, Yi Chen, Yunjin Zhang, Junfeng Zhang, Weihua
- 机构:Sichuan Univ;ULSee Inc;Henan Univ Econ & Law;Sichuan Univ;Shanghai United Imaging Healthcare Co Ltd
- 来源:IEEE TRANSACTIONS ON MEDICAL IMAGING 2018
- 关键词:Computed tomography (CT) sparse-data CT iterative reconstruction compressive sensing fields of experts machine learning deep learning
- 大数据隐私管理被引量:70收藏
- 作者:孟小峰 张啸剑
- 机构:中国人民大学信息学院;河南财经政法大学计算机与信息工程学院
- 来源:《计算机研究与发展》 2015
- 关键词:大数据 隐私风险 隐私主动式管理 隐私攻击 隐私泄露
- 摘要:信息化和网络化的高速发展使得大数据成为当前学术界和工业界的研究热点,是IT业正在发生的深刻技术变革.但它在提高经济和社会效益的同时,也为个人和团体的隐私保护以及数据安全带来极大风险与挑战.当前,隐私成为大数据应用领域亟待...
- Orthogonal moments based on exponent functions: Exponent-Fourier moments被引量:57收藏
- 作者:Hu, Hai-tao Zhang, Ya-dong Shao, Chao Ju, Quan
- 机构:Henan Univ Econ & Law
- 来源:PATTERN RECOGNITION 2014
- 关键词:Exponent-Fourier moments Zernike moments Image analysis Bessel-Fourier moments Radial harmonic Fourier moments Polar Harmonic Transforms
- Grouped Gene Selection of Cancer via Adaptive Sparse Group Lasso Based on Conditional Mutual Information被引量:43收藏
- 作者:Li, Juntao Dong, Wenpeng Meng, Deyuan
- 机构:Henan Univ Econ & Law;Henan Normal Univ;Henan Normal Univ;Beihang Univ BUAA;Beihang Univ BUAA
- 来源:IEEE-ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2018
- 关键词:Cancer classification grouped gene selection conditional mutual information group lasso wEIghted gene co-expression network
- A first-principles study of gas adsorption on monolayer AlN sheet被引量:41收藏
- 作者:Wang, Yusheng Song, Nahong Song, Xiaoyan Zhang, Tianjie Yang, Dapeng
- 机构:North China Univ Water Resources & Elect Power;Henan Univ Econ & Law;Zhengzhou Univ;Zhongyuan Univ Technol
- 来源:VACUUM 2018
- 关键词:Monolayer AlN CO2 capture Separation Gas sensor
- CLSA: A novel deep learning model for MOOC dropout prediction被引量:33收藏
- 作者:Fu, Qian Gao, Zhanghao Zhou, Junyi Zheng, Yafeng
- 机构:Beijing Normal Univ;Henan Univ Econ & Law
- 来源:COMPUTERS & ELECTRICAL ENGINEERING 2021
- 关键词:Massive open online courses Dropout prediction Convolutional neural network Long short-term memory network Attention mechanism
- 差分隐私保护下一种精确挖掘top-k频繁模式方法被引量:32收藏
- 作者:张啸剑 王淼 孟小峰
- 机构:中国人民大学信息学院;河南财经政法大学计算机与信息工程学院
- 来源:《计算机研究与发展》 2014
- 关键词:频繁模式挖掘 top-k模式 差分隐私 拉普拉斯机制 指数机制
- 摘要:频繁模式挖掘是分析事务数据集常用技术.然而,当事务数据集含有敏感数据时(如用户行为记录、电子病例等),直接发布频繁模式及其支持度计数会给个人隐私带来相当大的风险.对此提出了一种满足ε-差分隐私的top-k频繁模式挖掘算法...
- Elaborating the excited-state proton transfer behaviors for novel 3H-MC and P2H-CH被引量:32收藏
- 作者:Yang, Dapeng Zhao, Jinfeng Yang, Guang Song, Nahong Zheng, Rui
- 机构:North China Univ Water Resources & Elect Power;Chinese Acad Sci;Jiaozuo Univ;Henan Univ Econ & Law
- 来源:ORGANIC CHEMISTRY FRONTIERS 2017
- 关键词:Density functional theory - Ground state - Hydrogen bonds - Macromolecules - Molecular orbitals - Potential energy - Proton transfer
- Underwater Image Restoration Based on A New Underwater Image Formation Model被引量:31收藏
- 作者:Zhang, Mohua Peng, Jianhua
- 机构:Natl Digital Switching Syst Engn & Technol Res Ct;Henan Univ Econ & Law
- 来源:IEEE ACCESS 2018
- 关键词:Underwater image restoration underwater image enhancement underwater image prior underwater imaging
- A theoretical study about excited state behaviour for imide compound N-cyclohexyl-3-hydroxyphthalimide and 3,6-dihydroxy-N-cyclohexylphthalimide被引量:31收藏
- 作者:Yang, Dapeng Zhao, Jinfeng Yang, Guang Song, Nahong Zheng, Rui
- 机构:North China Univ Water Resources & Elect Power;Chinese Acad Sci;Jiaozuo Univ;Henan Univ Econ & Law
- 来源:JOURNAL OF MOLECULAR LIQUIDS 2017
- 关键词:Hydrogen bond Frontier molecular orbitals ESIPT Potential energy surface
- Data Augmentation Based on Attributed Scattering Centers to Train Robust CNN for SAR ATR被引量:31收藏
- 作者:Lv, Junta Liu, Yue
- 机构:Henan Univ Econ & Law;Zhengzhou Univ
- 来源:IEEE ACCESS 2019
- 关键词:Convolutional neural network (CNN) synthetic aperture radar (SAR) target recognition attributed scattering center (ASC) data augmentation
- Electronic, magnetic properties of 4d series transition metal substituted black phosphorene: A first-principles study被引量:26收藏
- 作者:Wang, Yusheng Song, Nahong Dong, Na Zheng, Yafeng Yang, Xiaohui
- 机构:North China Univ Water Resources & Elect Power;Henan Univ Econ & Law;Zhengzhou Univ;Zhengzhou Univ;Zhongyuan Univ Technol
- 来源:APPLIED SURFACE SCIENCE 2019
- 关键词:Black phosphorene Diluted magnetic semiconductor Dop 4d transition metal
- First-principles study of hydrogen storage on Ti (Sc)-decorated boron-carbon-nitride sheet被引量:22收藏
- 作者:Song, Nahong Wang, Yusheng Sun, Qiang Jia, Yu
- 机构:Zhengzhou Univ;Henan Univ Econ & Law;N China Univ Water Resources & Elect Power
- 来源:APPLIED SURFACE SCIENCE 2012
- 关键词:Hydrogen storage Adsorption energy Nanostructure
- Density functional theory study of tunable electronic and magnetic properties of monolayer BeO with intrinsic vacancy and transition metal substitutional doping被引量:21收藏
- 作者:Song, Na Hong Wang, Yu Sheng Zhang, Li Ying Yang, Yu Ye Jia, Yu
- 机构:Zhengzhou Univ;Zhengzhou Univ;Henan Univ Econ & Law;North China Univ Water Resources & Elect Power
- 来源:JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 2018
- 关键词:Magnetic coupling Half-metal BeO Doping
- Independent Component Analysis-Based Baseline Drift Interference Suppression of Portable Spectrometer for Optical Electronic Nose of Internet of Things被引量:21收藏
- 作者:Wang, Heng Zhao, Zhenzhen Wang, Zhenfeng Xu, Guangyin Wang, Liang
- 机构:Henan Agr Univ;Henan Univ Econ & Law
- 来源:IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS 2020
- 关键词:Absorption Internet of Things Gases Interference Optical sensors Biomedical optical imaging Baseline drift suppression gas sensing Internet of Things (IoT) optical electronic nose spectrum analysis
- 基于集团序方法的推荐系统输出被引量:20收藏
- 作者:崔春生
- 机构:河南财经政法大学计算机与信息工程学院
- 来源:《系统工程理论与实践》 2013
- 关键词:推荐系统 个性化推荐 电子商务 集团序 推荐输出
- 摘要:论文从推荐系统的输出形式出发,认为系统以top-N形式输出时,N值的大小影响了推荐的质量和推荐个性化.论文探讨了输出结果差异化的可行性及一般方法,采用集团序的方法提出以整个子集团作为推荐输出、以子集团内的产品个数作为候选...
- 基于轮廓重构和特征点弦长的图像检索被引量:20收藏
- 作者:师文 朱学芳
- 机构:南京大学信息管理学院多媒体信息处理研究所;河南财经政法大学计算机与信息工程学院
- 来源:《软件学报》 2014
- 关键词:图像检索 轮廓重构 傅立叶描述子 特征点弦长函数 不变性
- 摘要:轮廓描述法作为形状检索中最为关键的步骤,应体现目标的整体形状信息和重要特征点信息,并具备对噪声干扰的鲁棒性.提出一种基于轮廓重构和特征点弦长的图像检索算法,首先在目标轮廓提取的基础上分析轮廓的能量保持率,并进行轮廓的降维...
- Adaptive multinomial regression with overlapping groups for multi-class classification of lung cancer被引量:18收藏
- 作者:Li, Juntao Wang, Yanyan Song, Xuekun Xiao, Huimin
- 机构:Henan Normal Univ;Henan Univ Chinese Med;Henan Univ Econ & Law
- 来源:COMPUTERS IN BIOLOGY AND MEDICINE 2018
- 关键词:Multi-class classification Imbalanced data Overlapping group lasso WEIghted gene co-expression networks
- Exploiting multi-level deep features via joint sparse representation with application to SAR target recognition被引量:16收藏
- 作者:Lv, Junya
- 机构:Henan Univ Econ & Law
- 来源:INTERNATIONAL JOURNAL OF REMOTE SENSING 2020
- 关键词:Convolutional neural networks - Multi-task learning - Synthetic aperture radar
- An efficient message access quality model in vehicular communication networks被引量:16收藏
- 作者:Liu, Xuejiao Shan, Zhenyu Zhang, Luming Ye, Wei Yan, Ruoyu
- 机构:Hangzhou Normal Univ;Natl Univ Singapore;Henan Univ Econ & Law
- 来源:SIGNAL PROCESSING 2016
- 关键词:VANET security Attribute-based encryption Attribute-based signature Message authentication
- Solving flow-shop scheduling problem with a rEInforcement learning algorithm that generalizes the value function with neural network被引量:15收藏
- 作者:Ren, Jianfeng Ye, Chunming Yang, Feng
- 机构:Univ Shanghai Sci & Technol;Henan Univ Econ & Law;Henan Univ Chinese Med
- 来源:ALEXANDRIA ENGINEERING JOURNAL 2021
- 关键词:Flow-shop scheduling problem (FSP) REInforcement learning (RL) Generalized value function Neural network (NN)
- 一种基于节点密度分割和标签传播的Web页面挖掘方法被引量:15收藏
- 作者:张乃洲 曹薇 李石君
- 机构:河南财经政法大学计算机与信息工程学院;武汉大学计算机学院
- 来源:《计算机学报》 2015
- 关键词:页面分割 节点密度 标签传播 DOM树 块分类 社会计算 社交网络
- 摘要:获取Web页面中的重要内容如文本和链接,在许多Web挖掘研究领域有着重要的应用价值.目前针对该问题主要采用Web页面分割和区块识别的方法.但现有的方法将Web页面中重要文本和链接的识别视为两个相互独立的问题,这种做法忽略...
- New template for Li and Ca decoration and hydrogen adsorption on graphene-like SiC: A first-principles study被引量:13收藏
- 作者:Song, Nahong Wang, Yusheng Zheng, Yafeng Zhang, Jing Xu, Bin
- 机构:Henan Univ Econ & Law;North China Univ Water Resources & Elect Power;Zhengzhou Univ;Zhengzhou Univ;Huazhong Univ Sci & Technol
- 来源:COMPUTATIONAL MATERIALS SCIENCE 2015
- 关键词:Hydrogen storage Decoration SiC sheet
- Tuning the electronic and magnetic properties of graphyne by hydrogenation被引量:13收藏
- 作者:Wang, Yusheng Song, Nahong Zhang, Tianjie Zheng, Yafeng Gao, Haiyan
- 机构:North China Univ Water Resources & Elect Power;Henan Univ Econ & Law;Zhengzhou Univ;Zhengzhou Univ;Zhongyuan Univ Technol
- 来源:APPLIED SURFACE SCIENCE 2018
- 关键词:Graphyne Magnetic moment Hydrogenation
- Learning block-structured incoherent dictionaries for sparse representation被引量:13收藏
- 作者:Zhang YongQin Xiao JinSheng Li ShuHong Shi CaiYun Xie Guoxi
- 机构:Northwest Univ;Wuhan Univ;Henan Univ Econ & Law;Chinese Acad Sci
- 来源:SCIENCE CHINA-INFORMATION SCIENCES 2015
- 关键词:dictionary learning sparse representation sparse coding block sparsity mutual coherence
- Solvent controlling excited state proton transfer reaction in quinoline/isoquinoline-pyrazole isomer QP-I: A theoretical study被引量:12收藏
- 作者:Yang, Dapeng Yang, Guang Zhao, Jinfeng Song, Nahong Zheng, Rui
- 机构:North China Univ Water Resources & Elect Power;Jiaozuo Univ;Chinese Acad Sci;Henan Univ Econ & Law
- 来源:JOURNAL OF PHYSICAL ORGANIC CHEMISTRY 2018
- 关键词:excited state proton transfer frontier molecular orbitals intramolecular hydrogen bond potential energy curves
- 基于差分隐私的流式直方图发布方法被引量:12收藏
- 作者:张啸剑 孟小峰
- 机构:河南财经政法大学计算机与信息工程学院;中国人民大学信息学院
- 来源:《软件学报》 2016
- 关键词:差分隐私 数据流 直方图发布 近似误差 拉普拉斯误差
- 摘要:基于差分隐私保护模型,已经存在多种静态数据集上的直方图发布方法,而目前着重考虑数据流环境下的直方图发布方法却很少.由于数据流本身潜在的复杂性,直接利用现有的满足差分隐私的直方图发布方法处理数据流存在着很多不足,例如发布直...
- 基于交替迭代混沌系统的图像加密算法被引量:12收藏
- 作者:徐刚 张亚东 张新祥 张啸剑
- 机构:河南财经政法大学计算机与信息工程学院;北京科技大学自动化学院
- 来源:《北京科技大学学报》 2012
- 关键词:图像传输系统 图像编码 加密 混沌系统 耦合映像格子
- 摘要:基于logistic映射和时空混沌系统,设计了一个密钥长度为256bit的图像分组密码算法,将256bit的明文图像分组加密为等长的密文图像.该算法引入的辅助密钥和设计的迭代次数敏感地依赖于明文分组和密钥,交替迭代混沌系...
- 基于Vague集的网上机票比价研究被引量:12收藏
- 作者:崔春生
- 机构:河南财经政法大学计算机与信息工程学院;中国社会科学院数量经济与技术经济研究所
- 来源:《系统工程理论与实践》 2015
- 关键词:电子商务 Vague集 比价 电子机票 特征值
- 摘要:本文关注于电子商务网站的产品比价,基于网上商品诸多不确定因素的存在,提出了采用Vague集理论研究比价产品的思想.论文以电子机票为例,借助Vague值表示机票的报价及其可信度,基于用户对产品的需求,通过合理假设,构架了不...
- Manipulating electronic and magnetic properties of black phosphorene with 4d series transition metal adsorption被引量:12收藏
- 作者:Wang, Yusheng Song, Nahong Dong, Na Luo, Shijun Jia, Min
- 机构:North China Univ Water Resources & Elect Power;Henan Univ Econ & Law;Zhengzhou Univ;Zhengzhou Univ;Zhongyuan Univ Technol
- 来源:PHYSICS LETTERS A 2019
- 关键词:Black phosphorene Diluted magnetic semiconductor Transition metal Adsorption