搜索结果: 1-15 共查到“K-means”相关记录438条 . 查询时间(0.111 秒)
Framatome has completed the development of the main component of innovative monolithic molybdenum-uranium (U-Mo) fuel for the FRM II research reactor at the Technical University of Munich (TUM). Local...
Framatome has completed the development of the main component of innovative monolithic molybdenum-uranium (U-Mo) fuel for the FRM II research reactor at the Technical University of Munich (TUM). Local...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Large deviations principle for weighted means of a recursive numerical method for ergodic SDEs
遍历 SDE递归 数值方法 加权均值 大偏差原理
2023/4/24
For ergodic SDEs, their ergodic limits are usually approximated by the suitable means of numerical methods. To reveal the numerical asymptotic behavior, we study the large deviations principle (LDP) f...
The movement of small water droplets is controlled by means of a magnet
magnet water movement magnetic field
2021/8/11
A new study has presented and characterized the formation and properties of a superparamagnetic ring, which fits snugly around a drop of water due to liquid-liquid interaction, and allows the drops to...
基于逻辑回归函数的加权K-means聚类算法
欧式距离 特征加权的K-means算法 逻辑回归函数 初始聚类中心
2022/3/15
传统K-means聚类算法通过欧式距离计算样本的相似度，将数据所有的属性特征均平等对待，忽略每个属性特征的不同贡献，导致样本相似度计算的准确率不高。针对这个不足，提出一种特征加权的K-means算法进行优化。首先，运用Softmax和Sigmoid逻辑回归函数计算特征权重，使得加权的欧式距离更能准确地表示样本相似度；其次，优化初始聚类中心选择策略，选择距离较大的K个样本作为初始聚类中心，可有效避免...
AGB Estimation in a Tropical Mountain Forest (TMF) by Means of RGB and Multispectral Images Using an Unmanned Aerial Vehicle (UAV)
forest AGB UAV RGB data multispectral data
2024/2/4
The present investigation evaluates the accuracy of estimating above-ground biomass (AGB) by means of two different sensors installed onboard an unmanned aerial vehicle (UAV) platform (DJI Inspire I) ...
Towards real-time hidden speaker recognition by means of fully homomorphic encryption
Fully Homomorphic Encryption Neural Networks LWE
2019/8/30
Securing Neural Network (NN) computations through the use of Fully Homomorphic Encryption (FHE) is the subject of a growing interest in both communities. Among different possible approaches to that to...
GF-3 SAR IMAGE DESPECKLING BASED ON THE IMPROVED NON-LOCAL MEANS USING NON-SUBSAMPLED SHEARLET TRANSFORM
GF-3 SAR non-subsampled Shearlet transform image despeckling improved Non-Local Means
2018/5/15
GF-3 synthetic aperture radar (SAR) images are rich in information and have obvious sparse features. However, the speckle appears in the GF-3 SAR images due to the coherent imaging system and it hinde...
铁路运输设备是铁路运输生产的基础，管理单元是铁路运输设备进行设备监控、维修、管理及分析决策的基础对象，是运输设备专业管理与综合应用的基本分析单位.为满足运输设备管理的业务需求，本文在分析铁路运输设备构成的基础上，总结提出铁路运输设备单元划分原则，基于K-means聚类算法开展铁路运输设备单元划分方法研究，并利用该方法对电务通信设备进行单元划分，实践结果证明，该方法比传统的设备类别分类方式更适合设备...
MONITORING OF HORIZONTAL MOVEMENTS OF HIGH-RISE BUILDINGS AND TOWER TRANSMITTERS BY MEANS OF GROUND-BASED INTERFEROMETRIC RADAR
Ground-based radar interferometry Horizontal movements Deformations High-rise buildings Tower transmitters
2018/4/18
The paper describes possibilities of the relatively new technics – ground based radar interferometry for precise determining of deformation of structures. Special focus on the horizontal movements of ...
MONITORING OF HORIZONTAL MOVEMENTS OF HIGH-RISE BUILDINGS AND TOWER TRANSMITTERS BY MEANS OF GROUND-BASED INTERFEROMETRIC RADAR
Ground-based radar interferometry Horizontal movements Deformations High-rise buildings Tower transmitters
2018/5/8
The paper describes possibilities of the relatively new technics – ground based radar interferometry for precise determining of deformation of structures. Special focus on the horizontal movements of ...
中国地质大学科学技术发展院章丽平，张艺馨，唐善玉等计算机学院，IEEE Transactions on Industrial Electronics, 2018, Privacy Protection for E-health Systems by Means of Dynamic Authentication and Three-factor Key Agreement
电子医疗；健康系统；通信安全；认证协议
2021/10/21
2018年，题为"Privacy Protection for E-health Systems Using Dynamic Authentication and Three-factor Key Agreement" 论文刊发在国际权威期刊《IEEE Transactions on Industrial Electronics》上。该文第一作者为中国地质大学计算机学院章丽平副教授。该文对电子医疗...
For Seagrass,Biodiversity Is Both a Goal and A Means For Restoration（图）
Seagrass Biodiversity Both a Goal Means For Restoration
2017/11/24
Coral reefs, seagrass meadows and mangrove forests work together to make the Coral Triangle of Indonesia a hotspot for marine biodiversity. The system supports valuable fisheries and endangered specie...
Substitution of whole grains for refined grains: a means to avoid excess B-vitamin intake
refined grains excess B-vitamin hole grains
2018/11/19
We read with interest the article by Karl et al. (1) in a recent issue of the Journal. The authors studied the effects of the substitution of whole grains for refined grains on energy-balance metrics ...
THE SEGMENTATION OF POINT CLOUDS WITH K-MEANS AND ANN (ARTIFICAL NEURAL NETWORK)
Lidar Laser Scanning Photogrammetry Segmentation K-means ANN
2017/7/13
Segmentation of point clouds is recently used in many Geomatics Engineering applications such as the building extraction in urban areas, Digital Terrain Model (DTM) generation and the road or urban fu...