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检索条件"主题词=K-means Clustering algorithm"
398 条 记 录,以下是281-290 订阅
排序:
Unsupervised cluster-based method for segmenting biological tumour volume of laryngeal tumours in 18F-FDG-PET images
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IET IMAGE PROCESSING 2017年 第6期11卷 389-396页
作者: Tafsast, Abdelghani Hadjili, Mohamed Laid Bouakaz, Ayache Benoudjit, Nabil Univ Batna 2 Lab Automat Avancee & Anal Syst Batna Algeria High Sch Comp Sci HEB ESI Ecole Super Informat Brussels Belgium Univ Francois Rabelais Tours UMR Inserm Imagerie & Cerveau U930 Tours France
In radiotherapy using 18-fluorodeoxyglucose positron emission tomography (F-18-FDG-PET), the accurate delineation of the biological tumour volume (BTV) is a crucial step. In this study, the authors suggest a new appro... 详细信息
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A New Discharge Pattern for the Characterization and Identification of Insulation Defects in GIS
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ENERGIES 2018年 第4期11卷 971页
作者: Yao, Rui Hui, Meng Li, Jun Bai, Lin Wu, Qisheng Changan Univ Sch Elect & Control Engn Xian 710064 Shaanxi Peoples R China State Grid Shaanxi Elect Power Res Inst Xian 710049 Shaanxi Peoples R China
Identification of insulation defects in gas insulated metal-enclosed switchgear (GIS) is important for partial discharge (PD) evaluation. This article proposes a polar coordinate pattern approach to characterize the d... 详细信息
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Polar Coordinate Pattern Approach to Partial Discharge on Floating Electrode Defect in GIS
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IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 2017年 第6期12卷 825-833页
作者: Yao, Rui Zhang, Yanbin Si, Gangquan Yuan, Yiwei Xie, Qian Xi An Jiao Tong Univ Sch Elect Engn State key Lab Elect Insulat & Power Equipment Xian 710049 Shaanxi Peoples R China
This paper proposes a polar coordinate pattern approach to characterize the floating electrode defect in gas-insulated metal-enclosed switchgear (GIS). A 220-kV GIS bus bar cavity is taken as an object to design the p... 详细信息
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A new approach for solution of vehicle routing problem with hard time window: an application in a supermarket chain
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SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES 2017年 第12期42卷 2067-2080页
作者: Comert, Serap Ercan Yazgan, Harun Resit Sertvuran, Irem Sengul, Hanife Sakarya Univ Dept Ind Engn Sakarya Turkey
In this study, a vehicle routing problem with hard time windows (VRPHTW) that appears to meet demands of customers' service within time intervals in a supermarket chain is solved. In VRPHTW, to reach a solution by... 详细信息
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Single source bins detection-based localisation scheme for multiple speech sources
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ELECTRONICS LETTERS 2017年 第6期53卷 430-432页
作者: Jia, Maoshen Sun, Jundai Deng, Feng Sun, Junyue Beijing Univ Technol Fac Informat Technol Beijing Peoples R China Dolby Labs Beijing Peoples R China Dialog Semicond Tianjin Peoples R China
A single source bins (SSBs) detection based multiple source localisation scheme is proposed. This scheme is based on detecting the SSBs in mixture signals that are only derived from one source. Specifically, after pro... 详细信息
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A Support Vector Machine Forecasting Model for Typhoon Flood Inundation Mapping and Early Flood Warning Systems
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WATER 2018年 第12期10卷 1734页
作者: Chang, Ming-Jui Chang, Hsiang-kuan Chen, Yun-Chun Lin, Gwo-Fong Chen, Peng-An Lai, Jihn-Sung Tan, Yih-Chi Natl Taiwan Univ Res Ctr Climate Change & Sustainable Dev Taipei 10617 Taiwan Natl Taiwan Univ Dept Bioenvironm Syst Engn Taipei 10617 Taiwan Natl Taiwan Univ Dept Civil Engn Taipei 10617 Taiwan Natl Taiwan Univ Hydrotech Res Inst Taipei 10617 Taiwan Natl Taiwan Univ Ctr Weather Climate & Disaster Res Taipei 10617 Taiwan
Accurate real-time forecasts of inundation depth and extent during typhoon flooding are crucial to disaster emergency response. To manage disaster risk, the development of a flood inundation forecasting model has been... 详细信息
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EFFICIENT COMPUTATION OF OPTION PRICES AND GREEkS BY QUASI-MONTE CARLO METHOD WITH SMOOTHING AND DIMENSION REDUCTION
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SIAM JOURNAL ON SCIENTIFIC COMPUTING 2017年 第2期39卷 B298-B322页
作者: Weng, Chengfeng Wang, Xiaoqun He, Zhijian Tsinghua Univ Dept Math Sci Beijing 100084 Peoples R China Sun Yat Sen Univ Lingnan Univ Coll Guangzhou 510275 Guangdong Peoples R China
Discontinuities and high dimensionality are common in the problems of pricing and hedging of derivative securities. Both factors have a tremendous impact on the accuracy of the quasi-Monte Carlo (QMC) method. An ideal... 详细信息
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Two-layer coordination architecture HIF detection with μPMU data
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JOURNAL OF ENGINEERING-JOE 2018年 第15期2018卷 1033-1037页
作者: Wang, Xiaojun Zhang, Yongjie Luo, Yiping He, Jinghan Ling, Ping Fang, Chen Beijing Jiaotong Univ Sch Elect Engn Beijing 100044 Peoples R China State Grid Shanghai Municipal Elect Power Co Elect Power Res Inst Shanghai 200437 Peoples R China
The detection of high-impedance fault (HIF) on distribution network has been one of the most difficult problems. This study presents a data-driven method for HIF detection by using single-ended micro-phasor measuremen... 详细信息
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Effective Multipath Mitigation Methods for RTk in Urban Environments
Effective Multipath Mitigation Methods for RTK in Urban Envi...
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第九届中国卫星导航学术年会
作者: kai-qin Lin Zhong-liang Deng Lu Yin Beijing University of Posts and Telecommunications
RTk is one of the most precise positioning technologies,which has been widely used in many ***,in an urban area,GNSS receiver easily receive multipath signals caused by signal reflection and diffraction by both line-o... 详细信息
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The Design and Implementation of Chinese-Uighur-English Online Dictionary Based on knowledge Graph  20
The Design and Implementation of Chinese-Uighur-English Onli...
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20th IEEE International Conference on Computational Science and Engineering (CSE) / 15th IEEE/IFIP International Conference on Embedded and Ubiquitous Computing (EUC)
作者: Qiu, Lirong Yang, Huan Zhou, Rong Minzu Univ China Informat Technol Sch Beijing Peoples R China
Designing Chinese-Uighur-English online dictionary is very important for the development of ethnic scientific research and education, which is the basis for the work of Uighur semantic study. Online dictionary with a ... 详细信息
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