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2,276 Results Found

  • Article
  • Open Access
61 Citations
10,435 Views
12 Pages

An Enhanced Quantum K-Nearest Neighbor Classification Algorithm Based on Polar Distance

  • Congcong Feng,
  • Bo Zhao,
  • Xin Zhou,
  • Xiaodong Ding and
  • Zheng Shan

8 January 2023

The K-nearest neighbor (KNN) algorithm is one of the most extensively used classification algorithms, while its high time complexity limits its performance in the era of big data. The quantum K-nearest neighbor (QKNN) algorithm can handle the above p...

(This article belongs to the Special Issue Advances in Quantum Computing)
  • Article
  • Open Access
27 Citations
4,860 Views
17 Pages

Detection of Android Malware in the Internet of Things through the K-Nearest Neighbor Algorithm

  • Himanshi Babbar,
  • Shalli Rani,
  • Dipak Kumar Sah,
  • Salman A. AlQahtani and
  • Ali Kashif Bashir

18 August 2023

Predicting attacks in Android malware devices using machine learning for recommender systems-based IoT can be a challenging task. However, it is possible to use various machine-learning techniques to achieve this goal. An internet-based framework is...

(This article belongs to the Special Issue Smart Cities: Sensors and IoT)
  • Article
  • Open Access
137 Citations
12,178 Views
19 Pages

Application of the Weighted K-Nearest Neighbor Algorithm for Short-Term Load Forecasting

  • Guo-Feng Fan,
  • Yan-Hui Guo,
  • Jia-Mei Zheng and
  • Wei-Chiang Hong

9 March 2019

In this paper, the historical power load data from the National Electricity Market (Australia) is used to analyze the characteristics and regulations of electricity (the average value of every eight hours). Then, considering the inverse of Euclidean...

(This article belongs to the Special Issue Intelligent Optimization Modelling in Energy Forecasting)
  • Article
  • Open Access
4 Citations
3,302 Views
18 Pages

Underwater Single-Photon 3D Reconstruction Algorithm Based on K-Nearest Neighbor

  • Hui Wang,
  • Su Qiu,
  • Taoran Lu,
  • Yanjin Kuang and
  • Weiqi Jin

7 July 2024

The high sensitivity and picosecond time resolution of single-photon avalanche diodes (SPADs) can improve the operational range and imaging accuracy of underwater detection systems. When an underwater SPAD imaging system is used to detect targets, ba...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
12 Citations
6,299 Views
28 Pages

The suggested solution in this work makes use of the parallel processing capability of FPGA to enhance the efficiency of the K-Nearest Neighbor (KNN) algorithm on encrypted data. The suggested technique was assessed utilizing the breast cancer datase...

  • Article
  • Open Access
991 Views
24 Pages

Balanced Index-Encoding Genetic Algorithm for Extreme Prototype Reduction in k-Nearest Neighbor Classification

  • Victor Ayala-Ramirez,
  • Jose-Gabriel Aguilera-Gonzalez,
  • Antonio Tierrasnegras-Badillo and
  • Uriel Calderon-Uribe

3 March 2026

Nearest-neighbor classifiers are accurate and easy to deploy, but their memory footprint and inference time grow with the size of the reference set. This paper studies an evolutionary prototype selection strategy for k-nearest neighbor (K-NN) classif...

(This article belongs to the Section Evolutionary Algorithms and Machine Learning)
  • Article
  • Open Access
49 Citations
3,866 Views
22 Pages

With the widespread use of the Internet, network security issues have attracted more and more attention, and network intrusion detection has become one of the main security technologies. As for network intrusion detection, the original data source al...

(This article belongs to the Section Networks)
  • Article
  • Open Access
13 Citations
3,794 Views
12 Pages

A Simple Joint Modulation Format Identification and OSNR Monitoring Scheme for IMDD OOFDM Transceivers Using K-Nearest Neighbor Algorithm

  • Qianwu Zhang,
  • Hai Zhou,
  • Yuntong Jiang,
  • Bingyao Cao and ,
  • Yingchun Li,
  • Yingxiong Song,
  • Jian Chen,
  • Junjie Zhang and
  • Min Wang
  • + 4 authors+ 0 author

17 September 2019

In this study, a joint modulation format identification and optical signal-to-noise ratio (OSNR) monitoring algorithm is proposed and experimentally demonstrated using the k-nearest neighbor algorithm for intensity modulation and direct detection (IM...

(This article belongs to the Special Issue Optics for AI and AI for Optics)
  • Article
  • Open Access
13 Citations
2,596 Views
14 Pages

25 November 2021

The article concerns the problem of classification based on independent data sets—local decision tables. The aim of the paper is to propose a classification model for dispersed data using a modified k-nearest neighbors algorithm and a neural ne...

  • Article
  • Open Access
8 Citations
4,515 Views
12 Pages

A New Approach in Detectability of Microcalcifications in the Placenta during Pregnancy Using Textural Features and K-Nearest Neighbors Algorithm

  • Mihaela Miron,
  • Simona Moldovanu,
  • Bogdan Ioan Ștefănescu,
  • Mihai Culea and ,
  • Sorin Marius Pavel and
  • Anisia Luiza Culea-Florescu
  • + 1 author+ 0 author

(1) Background: Ultrasonography is the main method used during pregnancy to assess the fetal growth, amniotic fluid, umbilical cord and placenta. The placenta’s structure suffers dynamic modifications throughout the whole pregnancy and many of...

(This article belongs to the Special Issue Radiomics and Texture Analysis in Medical Imaging)
  • Article
  • Open Access
67 Citations
10,446 Views
14 Pages

An Improved Weighted K-Nearest Neighbor Algorithm for Indoor Localization

  • Xuesheng Peng,
  • Ruizhi Chen,
  • Kegen Yu,
  • Feng Ye and
  • Weixing Xue

11 December 2020

The weighted K-nearest neighbor (WKNN) algorithm is the most commonly used algorithm for indoor localization. Traditional WKNN algorithms adopt received signal strength (RSS) spatial distance (usually Euclidean distance and Manhattan distance) to sel...

(This article belongs to the Special Issue Recent Advancements in Indoor Positioning and Localization)
  • Article
  • Open Access
8 Citations
6,737 Views
15 Pages

Multilabel data share important features, including label imbalance, which has a significant influence on the performance of classifiers. Because of this problem, a widely used multilabel classification algorithm, the multilabel k-nearest neighbor (M...

(This article belongs to the Special Issue Intelligent Computing, Modeling and its Applications)
  • Article
  • Open Access
28 Citations
3,646 Views
17 Pages

Gravity-Matching Algorithm Based on K-Nearest Neighbor

  • Shuaipeng Gao,
  • Tijing Cai and
  • Ke Fang

12 June 2022

The gravity-aided inertial navigation system is a technique using geophysical information, which has broad application prospects, and the gravity-map-matching algorithm is one of its key technologies. A novel gravity-matching algorithm based on the K...

(This article belongs to the Section Navigation and Positioning)
  • Article
  • Open Access
435 Views
19 Pages

Accurate prediction of PM2.5 concentration is essential for public health and environmental protection, and specifically crucial for the management of the availability of sufficient health personnel during adverse health episodes. However, its nonlin...

(This article belongs to the Section Atmospheric Techniques, Instruments, and Modeling)
  • Article
  • Open Access
33 Citations
4,039 Views
31 Pages

5 September 2019

Sudden floods in the medium and small watershed by a sudden rainstorm and locally heavy rainfall often lead to flash floods. Therefore, it is of practical and theoretical significance to explore appropriate flood forecasting model for medium and smal...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
35 Citations
4,396 Views
24 Pages

8 August 2020

The weighted K-nearest neighbor (WKNN) algorithm is a commonly used fingerprint positioning, the difficulty of which lies in how to optimize the value of K to obtain the minimum positioning error. In this paper, we propose an adaptive residual weight...

(This article belongs to the Special Issue Sensors and Systems for Indoor Positioning)
  • Article
  • Open Access
13 Citations
4,325 Views
14 Pages

An adaptive weighted K-nearest neighbor (AWKNN) trilateration positioning algorithm fused with the channel state information (CSI) is proposed to optimize the accuracy of the visible light positioning. The core concept behind this algorithm is to com...

(This article belongs to the Section Optical Communication and Network)
  • Article
  • Open Access
232 Views
12 Pages

Fidelity-Derived Quantum Dissimilarity-Enhanced k-Nearest Neighbor Algorithm for Arterial Hypertension Detection

  • Antonia E. Tampakaki,
  • Georgios D. Barmparis,
  • Eleni Angelaki,
  • Maria E. Marketou and
  • Giorgos P. Tsironis

26 October 2026

We present a quantum-enhanced version of the classic k-Nearest Neighbors (kNN) classification algorithm, applied to the detection of arterial hypertension. The traditional Euclidean distance metric of the kNN algorithm is replaced with a fidelity-der...

  • Article
  • Open Access
176 Citations
9,466 Views
17 Pages

5 August 2017

The Global Positioning System (GPS) is widely used in outdoor environmental positioning. However, GPS cannot support indoor positioning because there is no signal for positioning in an indoor environment. Nowadays, there are many situations which req...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
7 Citations
1,984 Views
15 Pages

Decision Support Tool in the Selection of Powder for 3D Printing

  • Ewelina Szczupak,
  • Marcin Małysza,
  • Dorota Wilk-Kołodziejczyk,
  • Krzysztof Jaśkowiec and ,
  • Adam Bitka,
  • Mirosław Głowacki and
  • Łukasz Marcjan
  • + 2 authors+ 0 author

18 April 2024

The work presents a tool enabling the selection of powder for 3D printing. The project focused on three types of powders, such as steel, nickel- and cobalt-based and aluminum-based. An important aspect during the research was the possibility of obtai...

(This article belongs to the Special Issue Research and Development in the World Foundry Engineering: Materials, Properties and Applications)
  • Article
  • Open Access
13 Citations
3,730 Views
24 Pages

2 June 2024

The adequacy and efficacy of simple and hybrid machine learning and Computational Intelligence algorithms were evaluated for the classification of potential prostate cancer patients in two distinct categories, the high- and the low-risk group for PCa...

(This article belongs to the Special Issue Hybrid Intelligent Algorithms)
  • Article
  • Open Access
159 Citations
14,557 Views
24 Pages

Crash severity is undoubtedly a fundamental aspect of a crash event. Although machine learning algorithms for predicting crash severity have recently gained interest by the academic community, there is a significant trend towards neglecting the fact...

  • Article
  • Open Access
12 Citations
2,786 Views
23 Pages

Intelligent Multi-Strategy Hybrid Fuzzy K-Nearest Neighbor Using Improved Hybrid Sine Cosine Algorithm

  • Chengfeng Zheng,
  • Mohd Shareduwan Mohd Kasihmuddin,
  • Mohd. Asyraf Mansor,
  • Ju Chen and
  • Yueling Guo

16 September 2022

The sine and cosine algorithm is a new simple and effective population optimization method proposed in recent years that has been studied in many works of literature. Based on the basic principle of the sine and cosine algorithm, this paper fully stu...

(This article belongs to the Special Issue Statistical Methods in Data Science and Applications)
  • Feature Paper
  • Article
  • Open Access
37 Citations
4,876 Views
14 Pages

14 March 2019

Fault detection in metallic structures requires a detailed and discriminative feature pool creation mechanism to develop an effective condition monitoring system. Traditional fault detection methods incorporate handcrafted features either from the ti...

(This article belongs to the Special Issue Fault Diagnosis and Fault-Tolerant Control)
  • Article
  • Open Access
25 Citations
2,923 Views
23 Pages

11 October 2023

The article discusses the utilization of Pulsed Multifrequency Excitation and Spectrogram Eddy Current Testing (PMFES-ECT) in conjunction with the supervised learning method for the purpose of estimating defect parameters in conductive materials. To...

(This article belongs to the Special Issue Electromagnetic Nondestructive Testing)
  • Article
  • Open Access
10 Citations
2,101 Views
21 Pages

5 March 2024

In view of the current problems of complex models and insufficient data processing in ultra-short-term prediction of photovoltaic power generation, this paper proposes a photovoltaic power ultra-short-term prediction model named HPO-KNN-SRU, based on...

(This article belongs to the Section Applied Physics General)
  • Article
  • Open Access
4 Citations
5,898 Views
59 Pages

This paper focuses on both voltage transients and short-duration RMS variations, and presents a unique and heterogeneous approach to their assessment by applying AI tools. The database consists of both real (obtained from Lithuanian PQ monitoring cam...

(This article belongs to the Special Issue Recent Advances and Challenges in Emerging Power Systems)
  • Article
  • Open Access
2 Citations
2,810 Views
20 Pages

Is It Possible to Make Money on Investing in Companies Manufacturing Solar Components? A Panel Data Approach

  • Sebastian Klaudiusz Tomczak,
  • Anna Skowrońska-Szmer and
  • Jan Jakub Szczygielski

9 June 2021

In the interests of the environment, many countries set limits on the use of non-renewable energy sources and promote renewable energy sources through policy and legislation. Consequently, the demand for components for renewable energy systems exhibi...

(This article belongs to the Special Issue Research on Hybrid Solar Photovoltaic/Thermal (PV/T) System)
  • Article
  • Open Access
23 Citations
6,166 Views
18 Pages

29 September 2019

Stratiform and convective rain types are associated with different cloud physical processes, vertical structures, thermodynamic influences and precipitation types. Distinguishing convective and stratiform systems is beneficial to meteorology research...

(This article belongs to the Special Issue Remote Sensing of the Terrestrial Hydrologic Cycle)
  • Article
  • Open Access
21 Citations
5,315 Views
21 Pages

Assessment of the Carbon Stock in Pine Plantations in Southern Spain through ALS Data and K-Nearest Neighbor Algorithm Based Models

  • Miguel A. Navarrete-Poyatos,
  • Rafael M. Navarro-Cerrillo,
  • Miguel A. Lara-Gómez,
  • Joaquín Duque-Lazo and ,
  • Maria de los Angeles Varo and
  • Guillermo Palacios Rodriguez
  • + 1 author+ 0 author

Accurate estimation of forest biomass to enable the mapping of forest C stocks over large areas is of considerable interest nowadays. Airborne laser scanning (ALS) systems bring a new perspective to forest inventories and subsequent biomass estimatio...

  • Article
  • Open Access
9 Citations
2,190 Views
21 Pages

Optimization of the Drying Process for Gamma-Irradiated Mushroom Slices Using Mathematical Models and Machine Learning Algorithms

  • Ehsan Fartash Naeimi,
  • Mohammad Hadi Khoshtaghaza,
  • Kemal Çağatay Selvi,
  • Nicoleta Ungureanu and
  • Soleiman Abbasi

20 December 2024

Concerns over dried product quality and energy consumption have prompted researchers to explore integrated techniques for improving quality and reducing energy use. This study investigates the effect of gamma irradiation pretreatment (0, 1.2, 2.4, an...

(This article belongs to the Special Issue Agricultural Products Processing and Quality Detection)
  • Article
  • Open Access
2 Citations
1,881 Views
23 Pages

The Evidential K-Nearest Neighbor (EK-NN) classifier has demonstrated robustness in handling incomplete and uncertain data; however, its application in high-dimensional big data for feature selection, such as genomic datasets with tens of thousands o...

  • Article
  • Open Access
625 Views
40 Pages

29 April 2026

The ability to continuously learn over time by incorporating new information while holding onto previously acquired expertise is known as incremental learning (IL). Although this concept is fundamental to human learning, existing machine learning tec...

  • Article
  • Open Access
16 Citations
4,520 Views
16 Pages

Automatic Modulation Recognition Based on the Optimized Linear Combination of Higher-Order Cumulants

  • Asad Hussain,
  • Sheraz Alam,
  • Sajjad A. Ghauri,
  • Mubashir Ali and ,
  • Husnain Raza Sherazi,
  • Adnan Akhunzada,
  • Iram Bibi and
  • Abdullah Gani
  • + 3 authors+ 0 author

2 October 2022

Automatic modulation recognition (AMR) is used in various domains—from general-purpose communication to many military applications—thanks to the growing popularity of the Internet of Things (IoT) and related communication technologies. In...

(This article belongs to the Special Issue Sustainable Solutions for 6G-Enabled Internet of Things Networks)
  • Article
  • Open Access
1 Citations
1,642 Views
13 Pages

18 October 2024

Traffic sensors are vital to the development and operation of Intelligent Transportation Systems, providing essential data for traffic monitoring, management, and transportation infrastructure planning. However, optimizing the placement of these sens...

(This article belongs to the Section Information Applications)
  • Article
  • Open Access
6 Citations
2,185 Views
21 Pages

Performance of Differential Evolution Algorithms for Indoor Area Positioning in Wireless Sensor Networks

  • Shu-Hung Lee,
  • Chia-Hsin Cheng,
  • Kuan-Hsien Lu,
  • Yeong-Long Shiue and
  • Yung-Fa Huang

In positioning systems in wireless sensor networks, the accuracy of localization is often affected by signal distortion or attenuation caused by environmental factors, especially in indoor environments. Although using a combination of K-Nearest Neigh...

(This article belongs to the Special Issue Ubiquitous Sensor Networks, 2nd Edition)
  • Article
  • Open Access
21 Citations
3,145 Views
15 Pages

Diagnosis of Blade Icing Using Multiple Intelligent Algorithms

  • Xiyun Yang,
  • Tianze Ye,
  • Qile Wang and
  • Zhun Tao

9 June 2020

The icing problem of wind turbine blades in northern China has a serious impact on the normal and safe operation of the unit. In order to effectively predict the icing conditions of wind turbine blades, a deep fully connected neural network optimized...

(This article belongs to the Section A: Sustainable Energy)
  • Article
  • Open Access
35 Citations
5,105 Views
17 Pages

An Adaptive Weighted KNN Positioning Method Based on Omnidirectional Fingerprint Database and Twice Affinity Propagation Clustering

  • Jingxue Bi,
  • Yunjia Wang,
  • Xin Li,
  • Hongxia Qi and ,
  • Hongji Cao and
  • Shenglei Xu
  • + 1 author+ 0 author

1 August 2018

The human body has a great influence on Wi-Fi signal power. A fixed K value leads to localization errors for the K-nearest neighbor (KNN) algorithm. To address these problems, we present an adaptive weighted KNN positioning method based on an omnidir...

(This article belongs to the Special Issue Selected Papers from UPINLBS 2018)
  • Article
  • Open Access
14 Citations
4,731 Views
20 Pages

Triple Modular Redundancy Optimization for Threshold Determination in Intrusion Detection Systems

  • Ivan Babić,
  • Aleksandar Miljković,
  • Milan Čabarkapa,
  • Vojkan Nikolić and ,
  • Aleksandar Đorđević,
  • Milan Ranđelović and
  • Dragan Ranđelović
  • + 2 authors+ 0 author

27 March 2021

This paper presents a novel approach for an Intrusion Detection System (IDS) based on one kind of asymmetric optimization which use any three already well-known IDS algorithms and Triple Modular Redundancy (TMR) algorithm together. Namely, a variable...

(This article belongs to the Special Issue Special issue on Symmetry and Asymmetry in IoT and CPS Security and Privacy)
  • Article
  • Open Access
7 Citations
3,931 Views
20 Pages

Prediction of Pulmonary Function Parameters Based on a Combination Algorithm

  • Ruishi Zhou,
  • Peng Wang,
  • Yueqi Li,
  • Xiuying Mou and ,
  • Zhan Zhao,
  • Xianxiang Chen,
  • Lidong Du,
  • Ting Yang,
  • Qingyuan Zhan and
  • Zhen Fang
  • + 5 authors+ 0 author

Objective: Pulmonary function parameters play a pivotal role in the assessment of respiratory diseases. However, the accuracy of the existing methods for the prediction of pulmonary function parameters is low. This study proposes a combination algori...

(This article belongs to the Special Issue Artificial Intelligence Based Computer-Aided Diagnosis)
  • Letter
  • Open Access
12 Citations
3,965 Views
11 Pages

9 November 2020

One of the key elements in assessing traffic safety on the roads is the detection of asphalt conditions. In this paper, we propose an optical sensor based on GeSi nanocrystals embedded in SiO2 matrix that discriminates between different slippery road...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
10 Citations
5,453 Views
19 Pages

Electrical impedance tomography (EIT) is based on the physical principle of bioimpedance defined as the opposition that biological tissues exhibit to the flow of a rotating alternating electrical current. Consequently, here, we propose studying the c...

  • Article
  • Open Access
12 Citations
4,274 Views
17 Pages

12 January 2023

Radar automatic target recognition based on high-resolution range profile (HRRP) has become a research hotspot in recent years. The current works mainly focus on closed set recognition, where all the test samples are assigned to the training classes....

  • Article
  • Open Access
8 Citations
3,633 Views
23 Pages

16 January 2025

Every year, thousands of accidents occur in Poland, often resulting in severe injuries or even death. The implementation of solutions supporting road safety analysis and management processes is necessary to reduce the risk of accidents and minimize t...

  • Article
  • Open Access
24 Citations
6,260 Views
19 Pages

7 September 2022

The tendencies and perspective directions of development of modern digital devices of relay protection and automation (RPA) are considered. One of the promising ways to develop protection and control systems is the development of fundamentally new al...

(This article belongs to the Special Issue Smart Solutions and Devices for the Power Industry)
  • Article
  • Open Access
6 Citations
2,806 Views
19 Pages

5 January 2024

Machine learning-based classification algorithms allow communication and computing (2C) task offloading from the end devices to the edge computing network servers. In this paper, we consider task classification based on the hybrid k-means and k&prime...

(This article belongs to the Special Issue Cybersecurity and Reliability for 5G and Beyond and IoT Applications)
  • Article
  • Open Access
6 Citations
2,075 Views
14 Pages

A Reaction-Based Optical Fingerprinting Strategy for the Recognition of Fat-Soluble Samples: Discrimination of Motor Oils

  • Arseniy A. Pypin,
  • Anna V. Shik,
  • Irina A. Stepanova,
  • Irina A. Doroshenko and ,
  • Tatyana A. Podrugina and
  • Mikhail K. Beklemishev
  • + 1 author+ 0 author

6 September 2023

Optical “fingerprints” are widely used for chemometrics-assisted recognition of samples of different types. An emerging trend in this area is the transition from obtaining “static” spectral data to reactions analyzed over time...

(This article belongs to the Section Optical Sensors)
  • Review
  • Open Access
11 Citations
4,481 Views
43 Pages

1 January 2026

Classification is a core supervised learning task in data analysis, and six classical classifier families (k-Nearest Neighbors, Support Vector Machine, Decision Tree, Random Forest, Logistic Regression, and Naïve Bayes) remain widely used in pra...

(This article belongs to the Special Issue Machine Learning for Pattern Recognition (3rd Edition))
  • Article
  • Open Access
41 Citations
7,037 Views
28 Pages

The fine-grained classification of encrypted traffic is important for network security analysis. Malicious attacks are usually encrypted and simulated as normal application or content traffic. Supervised machine learning methods are widely used for t...

(This article belongs to the Section Networks)
  • Article
  • Open Access
8 Citations
2,896 Views
22 Pages

24 January 2021

Among sub-items of energy consumption in public buildings, lighting sockets play an important role in energy-saving analysis. So, the energy consumption data quality of lighting sockets is important. However, limited by the initial cost of energy mon...

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