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2022 IEEE 3rd Global Conference for Advancement in Technology (GCAT)最新文献

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A New Adaptive Modeling and Denoising of Real ECG signal 一种新的心电信号自适应建模与去噪方法
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971940
Alka Mishra, S. Bhusnur
Heart problems are increasing day by day and Electrocardiogram (ECG) signal is extremely important to evaluate cardiac problems. A common problem in ECG interpretation is noise removal because real ECG signals are corrupted by various types of noises and artifacts with different frequencies. Among all the noises the power line interference is the most significant and can strongly affect the ECG signal. This paper presents second order FIR Notch filter to remove power line interference which is occurred with frequency of 50Hz in India, followed by a novel parametric representation of real ECG signals. First, Notch filter is designed here for two cases first one is filter with two zeros, and in second case adding two poles at different radius but in same frequency as those of zeros, but the radius is less then unity in all the cases to consider the stability of filter. The effect of poles with their variables radius (0.8o to 0.99) is also analyzed at the output with SNR and has considered best result in term of stability, magnitude and phase response. Second part includes Signal acquisition, Control point detection, and develops a spline model of real ECG signal.
心脏疾病日益增多,心电图信号对心脏疾病的诊断具有极其重要的意义。由于真实的心电信号会受到各种不同频率的噪声和伪影的干扰,因此在心电判读中一个常见的问题是去噪。在各种噪声中,电力线干扰最为显著,对心电信号的影响较大。本文提出了一种二阶FIR陷波滤波器,用于去除印度频率为50Hz的电力线干扰,并对真实心电信号进行了新的参数化表示。首先,本文设计了两种情况下的陷波滤波器,一种是有两个零点的滤波器,另一种是有两个半径不同但频率相同的极点作为零点的滤波器,但两种情况的半径都小于1,以考虑滤波器的稳定性。在具有信噪比的输出端,还分析了变量半径(0.8 ~ 0.99)的极点的影响,并从稳定性、幅度和相位响应方面考虑了最佳结果。第二部分包括信号采集、控制点检测,建立了真实心电信号的样条模型。
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引用次数: 1
Blackhole Attack Impact Analysis on Low Power Lossy Networks 黑洞攻击对低功耗损耗网络的影响分析
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971814
N. Panda, M. Supriya
The Internet of Things (IoT) is a network of low-power, low-latency devices that are becoming smart day by day. The market sees a tremendous rise in the demand for IoT devices for various applications. The nature of the smart devices utilized for IoT is confined. As a result, Low Power Lossy Networks (LLN) is effective for extending and smoothing connection. RPL is a distance-vector IPv6 routing protocol that is used in LLN to provide compatibility. It produces a DODAG (Destination Oriented Directed Acyclic Graph) for data routing between client and server nodes within the network. Clients can provide the best path to the sink node using two Objective Functions (OFs): Objective Function Zero (OF0) and Minimum Rank Hysteresis Objective Function (MRHOF) in RPL. In this paper, blackhole attack is analysed in two different types of LLNs. The performance is examined under static and mobile environments. The objective functions is analysed w.r.t performance parameters namely Packet delivery ratio (PDR), Packet loss ratio (PLR), average latency, network overhead and total energy consumption with and without blackhole attack. A maximum PDR of 45.59% is achieved in an attack scenario. The lowest latency of 0.8 seconds is achieved under mobility and attacked network scenario. It is observed from the results that PDR is increasing with the networks and packet loss is reducing.
物联网(IoT)是一个由低功耗、低延迟设备组成的网络,这些设备正日益智能化。市场对各种应用的物联网设备的需求急剧增加。用于物联网的智能设备的性质是有限的。因此,低功耗网络(LLN)可以有效地扩展和平滑连接。RPL是一种距离矢量IPv6路由协议,用于LLN提供兼容性。它为网络中的客户机和服务器节点之间的数据路由生成一个DODAG(面向目的地的有向无环图)。客户端可以通过RPL中的两个目标函数(OFs)提供到汇聚节点的最佳路径:目标函数零(OF0)和最小秩滞后目标函数(MRHOF)。本文对两种不同类型的lln中的黑洞攻击进行了分析。在静态和移动环境下对其性能进行了测试。在存在和不存在黑洞攻击的情况下,对目标函数进行了分析,包括包投递率(PDR)、丢包率(PLR)、平均时延、网络开销和总能耗等性能参数。在攻击场景下,最大PDR可达45.59%。在移动和受攻击的网络场景下,时延最低为0.8秒。结果表明,PDR随网络的增加而增加,丢包量减少。
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引用次数: 2
Firefly Algorithm in FOPI Controller for Improving Power Quality of Three-phase HES System Integrated UPQC 基于FOPI控制器的萤火虫算法改善集成UPQC三相HES系统电能质量
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971923
S. Yadav, K. Yadav
This paper concern on Firefly (FF) Algorithm for enhancing the power quality of three phase hybrid energy storage (HES) system integrated unified power quality conditioner (UPQC). Models are created for RES such PV arrays, BESS, and wind energy with the goal of supplying constant electricity. In general, the BESS can meet total load demand even when the PV array and wind turbine are not providing energy, which improves the stability of the distribution power system. The UPQC model with shunt and series active filter compensator is to reduce the grid's power quality problems and the harmonics which injected by non-linear loads. Furthermore, in the event of long voltage disruptions, PV, wind, and BESS integrated UPQC can manage power quality issues. While the load is protected from grid-related power quality problems by the series compensator, the shunt compensator of UPQC extracts power from hybrid energy systems. Therefore, the goal of this research is to create a FOPI controller with iso-damping properties in order to regulating the voltage of the DC link at the desired level. Particularly, the gain of PI controller (Kp, Ki, $lambda$) are ideally tuned by a algorithm known Firefly Algorithm. In order to analyze the performance during voltage sag/swell, concerning the total harmonic distortion, the proposed method was implemented in MATLAB/Simulink. It is capable of producing competitive and promising results.
本文研究了结合统一电能质量调节器(UPQC)的三相混合储能(HES)系统中提高电能质量的萤火虫(FF)算法。为可再生能源创建模型,如光伏阵列、BESS和风能,目标是提供恒定的电力。一般情况下,即使光伏阵列和风力发电机组不供电,BESS也能满足总负荷需求,提高了配电系统的稳定性。带并联和串联有源滤波补偿器的UPQC模型是为了减少电网的电能质量问题和非线性负荷注入的谐波。此外,在长时间电压中断的情况下,光伏、风能和BESS集成的UPQC可以管理电能质量问题。在串联补偿器保护负载不受电网相关电能质量问题影响的同时,UPQC的并联补偿器从混合能源系统中提取电能。因此,本研究的目标是创建一个具有等阻尼特性的FOPI控制器,以便将直流链路的电压调节到所需的水平。特别是,PI控制器的增益(Kp, Ki, $lambda$)通过一种称为萤火虫算法的算法进行理想的调谐。为了分析电压跌落/膨胀时的性能,考虑到总谐波失真,在MATLAB/Simulink中实现了该方法。它能够产生有竞争力和有希望的结果。
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引用次数: 0
Assessing Entity Resolution techniques based on deep learning 基于深度学习的实体解析技术评估
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971860
Arnav Agarwal, Sunakshi Singh, V. Chaurasiya
Entity resolution (ER) is the task of identifying data instances referring to the same real-word entity. In this work, we study two major works that propose a deep-learning based solution for ER, namely DeepER and DeepMatcher. We re-evaluate their published results and benchmark it with the re-evaluated results of Magellan, an end-to-end entity resolution framework that uses classical machine learning. We then try to answer some questions mentioned in the sections below with the help of these results. We also report several interesting observations noted while reproducing these works. We highlight important but missing knowledge pertaining to generation of training and test sets. This information heavily influences the quality of evaluation results and is necessary to produce accurate authentic results. We conclude by presenting a study on ease of setting-up and rebuilding these solutions as an end-user.
实体解析(ER)是识别引用相同真实实体的数据实例的任务。在这项工作中,我们研究了两个提出基于深度学习的ER解决方案的主要作品,即deep和DeepMatcher。我们重新评估了他们发表的结果,并使用Magellan(使用经典机器学习的端到端实体解析框架)的重新评估结果对其进行了基准测试。然后,我们尝试在这些结果的帮助下回答下面章节中提到的一些问题。我们还报告了在复制这些作品时注意到的几个有趣的观察结果。我们强调了与训练集和测试集生成相关的重要但缺失的知识。这些信息严重影响评估结果的质量,是产生准确可信结果的必要条件。最后,我们提出了一项关于最终用户设置和重建这些解决方案的便利性的研究。
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引用次数: 0
ADC-PWM Synchronization for Motor Control Unit Development 用于电机控制单元的ADC-PWM同步
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9972020
T. Likitha, Venkatanarasimharao Medam, G. Ranjani
In the motor control unit, the precision and accuracy are everything. In this paper we propose an algorithm as a part of the implementation of field-oriented control (FOC) of the permanent magnet synchronous motor (PMSM). Though FOC is more computationally complex, it can drive more advantages like improved efficiency and full torque control. The proposed algorithm synchronizes the Analog to digital converter (ADC) and Flex timer module (FTM) such that the two-phase currents can be measured simultaneously in the middle of the Pulse-width modulator (PWM) pulse only when the bottom semiconductors of three-phase inverters are turned on. Regardless of ADC being able to measure precisely there is chance for obtaining wrong data. So, the instance for current sensing is more important. These timing implementations are supported by the micro controller peripherals. The Microcontroller (S32K144-EVB) is very versatile and supports the interconnectivity between different modules (ADC-PDB-TRGMUX-FTM). Their flexible interconnectivity helps in simplifying these complicated timing designs.
在电机控制单元中,精度和精度就是一切。本文提出了一种实现永磁同步电机磁场定向控制(FOC)的算法。虽然FOC在计算上更加复杂,但它可以带来更多的优势,如提高效率和全扭矩控制。该算法将模数转换器(ADC)和Flex定时器模块(FTM)同步,使得仅当三相逆变器的底部半导体导通时,就可以在脉宽调制器(PWM)脉冲中间同时测量两相电流。无论ADC是否能够精确测量,都有可能获得错误的数据。因此,电流传感的实例就显得尤为重要。这些定时实现由微控制器外设支持。微控制器(S32K144-EVB)非常通用,支持不同模块(ADC-PDB-TRGMUX-FTM)之间的互连。它们灵活的互联性有助于简化这些复杂的时序设计。
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引用次数: 0
Organization-wide IOC Monitoring and Security Compliance in Endpoints using Open Source Tools 使用开放源代码工具的端点中的组织范围的IOC监视和安全遵从性
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971999
P. Divya, Reenu Sara George, G. Madhusudhan, S. Padmasree
Endpoint Security is an important layer in cyber security and it is one of the first places organizations look to secure their enterprise network. Proactively and iteratively monitoring endpoints for threats and Indicators of Compromise (IOC), helps security analysts to detect malware/attacks and to respond to incidents quickly. An Indicator of Compromise (IOC) refers to data that indicates that a system may have been infiltrated by a cyber-threat. Cyber security agencies send regular cyber-alerts to various organizations nation-wide and provide IOC list in the form of hashes, IPs, URLs, domains, yara rules, etc. for monitoring the presence of IOCs in their respective network. Periodic auditing of endpoints for security compliance is also a challenging and time-consuming task for every organization. To overcome these challenges, a solution based on client-server architecture is proposed in organizational network using open-source tools named Osquery, Fleet, Filebeat and Graylog. Using these tools, endpoints can be monitored for IOCs on demand or on scheduled manner from a central server. Yara based scan can also be performed efficiently in endpoints to monitor for IOCs using this architecture. In addition to IOC monitoring, this paper explains verifying compliance of endpoints with the organization's security policy using the proposed setup. Impact on performance of the endpoints during query execution was also analyzed. This solution will contribute in strengthening the endpoint security which in turn enhances overall cyber-security posture of the organization.
端点安全是网络安全的重要一层,也是组织保护其企业网络安全的首要场所之一。主动和迭代地监控端点的威胁和危害指标(IOC),有助于安全分析师检测恶意软件/攻击并快速响应事件。IOC (An Indicator of Compromise)是指表明系统可能已被网络威胁渗透的数据。网络安全机构定期向全国各组织发送网络警报,并以哈希、ip、url、域名、雅拉规则等形式提供IOC列表,监测各自网络中IOC的存在情况。对每个组织来说,定期审计端点的安全遵从性也是一项具有挑战性且耗时的任务。为了克服这些挑战,在组织网络中提出了一种基于客户端-服务器架构的解决方案,使用开源工具Osquery、Fleet、Filebeat和Graylog。使用这些工具,可以从中央服务器按需或按计划方式监视端点的ioc。基于Yara的扫描也可以在端点上有效地执行,以监视使用该体系结构的ioc。除了IOC监视之外,本文还解释了如何使用建议的设置验证端点是否符合组织的安全策略。还分析了查询执行期间端点对性能的影响。该解决方案将有助于加强端点安全性,从而提高组织的整体网络安全状况。
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引用次数: 0
HRCT chest analysis for detection of pulmonary arterial hypertension in COVID-19 patients using convolutional neural networks 卷积神经网络检测新冠肺炎患者肺动脉高压的HRCT胸部分析
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9972033
Azra Nazir, Roohie Naaz, Shaima Qureshi, Nidha Nazir
COVID-19, caused by SARS - COV 2 virus, has afflicted approximately 62.3 million people worldwide, with 1.46 million deaths around the globe by the end of November 2020. In most cases, the cause of death has been due to acute pneumonia. However, there have been cases where patients developed pulmonary arterial hypertension leading to sudden death. The virus can affect the heart in previously healthy individuals also. The severe inflammatory response in the body can affect arteries exaggerating cardiac damage. Studies recommend monitoring the cardiac conditions of POST COVID-19 patients. This paper employs a convolutional neural network (CNN) model to learn features from the standard axial slice of high-resolution chest CT. The CNN captures variation in the pulmonary artery region to determine whether a patient is at high risk of developing pulmonary arterial hypertension or not. With 86.1 % classification accuracy, the model shows a promising future for studies related to POST COVID risk analysis of heart complications.
由SARS - COV 2病毒引起的2019冠状病毒病,截至2020年11月底,全球约有6230万人感染,146万人死亡。在大多数情况下,死亡原因是由于急性肺炎。然而,也有患者出现肺动脉高压导致猝死的病例。这种病毒也会影响原本健康的人的心脏。体内严重的炎症反应会影响动脉,加重心脏损伤。研究建议监测COVID-19后患者的心脏状况。本文采用卷积神经网络(CNN)模型从高分辨率胸部CT的标准轴向切片中学习特征。CNN捕获肺动脉区域的变化,以确定患者是否有发生肺动脉高压的高风险。该模型的分类准确率为86.1%,在COVID - 19后心脏并发症风险分析相关研究中具有广阔的应用前景。
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引用次数: 0
Empirical Evaluation of Approximation Algorithm for Sorting by Prefix-block Interchanges 前缀块交换排序近似算法的经验评价
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971997
Soorya Narayanan, Rahul Krishnan
Sorting by prefix block interchange is a combina-torial optimization problem having its origin in comparative genomics. The problem is to sort a given permutation with the minimum number of prefix block interchanges. A prefix block interchange is a rearrangement operation that interchanges a block of permutation from the prefix with another disjoint block. In comparative genomics, a permutation is used to model the arrangement of genes in genomes, and a rearrangement operation like prefix block interchanges models global genomic mutations. The problem of sorting permutations by prefix block interchanges is used to compute the evolutionary distance between related species. The computational complexity of the problem is unknown and some approximation algorithms are existent. In this article, we perform an empirical study of the 2-approximation algorithm for sorting by prefix block interchange problem, designed by Antony Labarre.
前缀块交换排序是一个起源于比较基因组学的组合优化问题。问题是用最小的前缀块交换数对给定的排列进行排序。前缀块交换是一种重排操作,它将来自前缀的置换块与另一个不相交的块交换。在比较基因组学中,排列被用来模拟基因组中基因的排列,而重排操作如前缀块互换则用来模拟全局基因组突变。利用前缀块交换排序排列的问题来计算亲缘物种间的进化距离。该问题的计算复杂度未知,存在一些近似算法。在本文中,我们对Antony Labarre设计的基于前缀块交换排序问题的2逼近算法进行了实证研究。
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引用次数: 0
Stock Market Prediction Using Yahoo finance and Twitter Polarity 利用雅虎财经和推特极性预测股市
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9972013
Simren Dubey, Nisarg Patil, P. Thakur, Harshil T. Kanakia
Predicting the stock market is one of the intriguing and real life problem statements. In the current virtual world, social media like Twitter is the perfect representation of public opinion. Using the information available on these platforms, we can create very genuine and helpful insights about stocks. This paper explains different methods of interactively learning the complex market and its trends. We have used three different models for this paper which are Support Vector Regression, Long Short Term Memory and Random Forest and have also performed sentiment analysis on tweets related to Apple stock and compared the final results with Amazon and Tesla results. The model with the least error is the ideal and the most preferred method for prediction. We have combined Twitter's polarity data with Yahoo Finance's stock data for an efficient input. The results have given us a clear polarity view, both a statistical, and a graphical view.
预测股市是现实生活中最有趣的问题之一。在当前的虚拟世界中,像Twitter这样的社交媒体是民意的完美代表。利用这些平台上提供的信息,我们可以创建非常真实和有用的股票见解。本文阐述了交互式学习复杂市场及其趋势的不同方法。我们在本文中使用了三种不同的模型,即支持向量回归,长短期记忆和随机森林,并对与苹果股票相关的推文进行了情绪分析,并将最终结果与亚马逊和特斯拉的结果进行了比较。误差最小的模型是最理想和最优选的预测方法。我们将Twitter的极性数据与雅虎财经的股票数据结合起来,以获得有效的输入。结果给了我们一个清晰的极性视图,包括统计视图和图形视图。
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引用次数: 0
Early Detection of Dry Eyes Through Blink 通过眨眼早期发现干眼症
Pub Date : 2022-10-07 DOI: 10.1109/GCAT55367.2022.9971819
K. Chayashree, U. K. Harshitha, M. Sayeed, L. P. Nagaditya, Sumalatha Aradhya, K. R. S. Navada
Blinks are the movements that happen involuntarily and can be used in many applications such as wearable computing, Human-Computer interaction, etc. Blinks can be considered as one of the changes that happen visibly when there are any abnormalities in our eyes. These abnormalities of blinks can be used for the early detection of eye diseases. Here, we are considering it as one of the major parameters in the detection of dry eyes. This can be achieved using cameras and sensors. To achieve high accuracy results using a camera, the resolution must be high which results in huge amounts of data. On the other side, sensors are less expensive as well as the data generated from sensors can be easily processed. Sensors are comparatively reliable and superior to other methods.
眨眼是一种不自觉的动作,可用于许多应用,如可穿戴计算、人机交互等。当我们的眼睛出现异常时,眨眼可以被认为是一种明显的变化。这些异常的眨眼现象可用于眼部疾病的早期检测。在这里,我们将其作为干眼检测的主要参数之一。这可以通过摄像头和传感器来实现。为了使用相机获得高精度的结果,分辨率必须很高,这导致大量的数据。另一方面,传感器更便宜,传感器产生的数据也更容易处理。传感器相对可靠,优于其他方法。
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引用次数: 0
期刊
2022 IEEE 3rd Global Conference for Advancement in Technology (GCAT)
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