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2021 IEEE 12th Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON)最新文献

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LS-AODV: An Energy Balancing Routing Algorithm For Mobile Ad Hoc Networks LS-AODV:一种移动Ad Hoc网络的能量均衡路由算法
Cameron Lane, Calvin Jarrod Smith, Nan Wang
Battery-powered computing solutions have grown in importance and utility across a wide range of applications in the technology industry, including both consumer and industrial uses. Devices that are not attached to a stable and constant power source must ensure that all power consumption is minimized while necessary computation and communications are performed. WiFi networking is ubiquitous in modern devices, and thus the power consumption necessary to transmit data is of utmost concern for these battery powered devices. The Ad hoc OnDemand Distance Vector (AODV) routing algorithm is a widely adopted and adapted routing system for path finding in wireless networks. AODV's original implementation did not include power consumption as a consideration for route determinations. The Energy Aware AODV (EA-AODV) algorithm was an attempt to account for energy conservation by varying broadcast power and choosing paths with distance between nodes as a consideration in routing. Lightning Strike AODV (LS-AODV) described in this paper is a proposed routing algorithm that further accounts for energy consumption in wireless networking by balancing energy in a network. Quality of service is maintained while energy levels are increased through networks using the LS-AODV algorithm.
电池供电的计算解决方案在包括消费和工业用途在内的技术行业的广泛应用中越来越重要和实用。没有连接到稳定和恒定电源的设备必须确保在执行必要的计算和通信时将所有功耗降至最低。WiFi网络在现代设备中无处不在,因此传输数据所需的功耗是这些电池供电设备最关心的问题。自组织按需距离矢量(AODV)路由算法是无线网络中广泛采用和适应的寻径路由系统。AODV最初的实现没有将功耗作为路由确定的考虑因素。能量感知AODV (EA-AODV)算法试图通过改变广播功率和根据路由中节点之间的距离选择路径来考虑节能。本文提出的LS-AODV路由算法是一种通过平衡网络能量来进一步考虑无线网络能耗的路由算法。通过使用LS-AODV算法的网络,在提高能量水平的同时保持服务质量。
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引用次数: 0
Creation of a knowledge management model based on CBR: Application to the maintenance of autonomous solar photovoltaic installations 基于CBR的知识管理模型的创建:在自主太阳能光伏装置维护中的应用
I. Gueye, A. Kebe, Moustapha Diop
This paper proposes a solution to facilitate the maintenance activities of autonomous solar photovoltaic (PV) installations. With the growth of autonomous PV installations, in developing countries, it is now essential to focus on the maintenance activity. The autonomous PV installation meets the electricity needs, on the one hand, in remote areas. On the other hand, it allows to avoid the constraints of connection to the electrical grid. However, to have an efficient and reliable PV system, a safe and proper maintenance is essential. This work focuses on the capitalization of knowledge in maintenance activity. The objective is to propose a model able to help the maintenance technicians during their interventions by providing them with knowledge elements which will be drawn from a knowledge base. This knowledge base is built from the knowledge collected during the previous maintenance activities of a given PV installation.
本文提出了一个解决方案,以促进自主太阳能光伏(PV)装置的维护活动。随着自主光伏装置在发展中国家的增长,现在必须关注维护活动。自主光伏装置一方面满足了偏远地区的电力需求。另一方面,它可以避免连接到电网的限制。然而,要拥有一个高效可靠的光伏系统,安全、适当的维护是必不可少的。这项工作的重点是维护活动中的知识资本化。目标是提出一个模型,通过向维修技术人员提供从知识库中提取的知识元素,在维修技术人员进行干预期间提供帮助。该知识库是根据在给定PV安装的先前维护活动中收集的知识构建的。
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引用次数: 0
Precise Estimation of Local Probabilities for Bayesian Attack Graph Analysis 贝叶斯攻击图分析中局部概率的精确估计
Arnab Paul Joy, Mosarrat Jahan, U. Kabir, S. Mahato
A Bayesian Attack Graph (BAG) is an essential model for red teams in cyber security to detect the most vulnerable components of a system. It is a probabilistic graphical model in which each node is initially assigned a probability value called local probability. For realistic and better analysis of BAGs, it is essential to evaluate local probabilities precisely. For that purpose, in this paper, we use the Common Vulnerability Scoring System (CVSS) to estimate temporal and environmental scores. We further consider various factors reflecting attackers' characteristics in BAG analysis. In this respect, we inaugurated a new environmental variable named “host type” that influences an attacker's motivation and abolishes the need for earlier network architecture knowledge to determine the factor values.
贝叶斯攻击图(BAG)是网络安全红队检测系统中最脆弱组件的基本模型。它是一种概率图形模型,其中每个节点最初被分配一个称为局部概率的概率值。为了更真实和更好地分析bag,精确地评估局部概率是至关重要的。为此,在本文中,我们使用通用漏洞评分系统(CVSS)来估计时间和环境分数。在BAG分析中,我们进一步考虑了反映攻击者特征的各种因素。在这方面,我们启用了一个名为“主机类型”的新环境变量,它影响攻击者的动机,并消除了对早期网络体系结构知识来确定因素值的需要。
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引用次数: 1
Price Prediction Using LSTM Based Machine Learning Models 基于LSTM的机器学习模型的价格预测
Md. Hafizur Rahman, Sayeda Islam Nahid, Ibna Huda Al Fahad, Faysal Mahmud Nahid, Mohammad Monirujjaman Khan
The estimation of possible fluctuations in stock prices has been the focus of a lot of research work. Price prediction is a technique for predicting a stock's potential future price, and as a result, the price. This study shows how we can use Machine Learning Models based on Long Short-Term Memory (LSTM) to forecast the price of a stock. Stock prices may be anticipated with a high degree of accuracy if correctly modeled, according to certain suggestions. There is also a lot of literature on basic analysis of stock prices, which focuses on detecting and learning from trends in stock price movements. The focus of this research is on stock market forecasting utilizing Long Short-Term Memory (LSTM) models. For the purpose of our study, we have used DSE30's top 10 companies' historical data. We have built two LSTM models to predict and compare the results of the prediction. To train these models, we used training data that consisted of these companies' stock records from January, 2019 till January, 2021. Our target was to find out which version of the LSTM architecture model gives the best prediction among these models.
对股票价格可能波动的估计一直是许多研究工作的重点。价格预测是一种预测股票未来潜在价格的技术,从而预测股价。这项研究展示了我们如何使用基于长短期记忆(LSTM)的机器学习模型来预测股票价格。根据某些建议,如果正确建模,股票价格可以预测得非常准确。也有很多关于股票价格基本分析的文献,其重点是发现和学习股票价格运动的趋势。本研究的重点是利用长短期记忆(LSTM)模型进行股票市场预测。为了我们的研究目的,我们使用了DSE30排名前10的公司的历史数据。我们建立了两个LSTM模型来预测和比较预测结果。为了训练这些模型,我们使用了由这些公司2019年1月至2021年1月的股票记录组成的训练数据。我们的目标是找出LSTM体系结构模型的哪个版本在这些模型中给出了最好的预测。
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引用次数: 1
Design and Implementation of a Microstrip Patch Antenna for the Detection of Cancers and Tumors in Skeletal Muscle of the Human Body Using ISM Band 基于ISM波段的人体骨骼肌肿瘤检测微带贴片天线的设计与实现
Fardeen Mahbub, R. Islam, Shouherdho Banerjee Akash, M. T. Ali, Saiful Islam
Considering numerous benefits of Microwave Imaging (MI) regarding the Biomedical sector, in this paper, the simulation of a Microstrip Patch Antenna has been done in the CST Studio Suite 2019 Software, which is capable of Microwave Imaging (MI) for detecting Cancer/Tumor of Skeletal Muscle. The Antenna operates at 2.45 GHz (ISM-Band), consisting of a maximum frequency of 1.6 GHz and a minimum frequency of 3.2 GHz, respectively. In this paper, a three-layer Human Body Phantom has been created consisting of Skin, Fat, and Muscle, and then a small size (5 mm) tumor has been placed on the muscle portion of the Phantom. The Antenna was applied at three distances of 5 mm, 10 mm, and 15 mm from the Phantom to deduce the Antenna's performance. The SAR values of 0.000287 W/kg, 0.000229 W/kg, and 0.0000346 W/kg were obtained after applying the Antenna to the Cancer-affected body phantom at the Antenna to the Body Phantom distances of 5 mm, 10 mm, and 15 mm, respectively with a resonant frequency of 2.45 GHz which fulfills the minimum SAR requirement of 1.6 W/kg governed by the Federal Communications Commission (FCC). The other obtained output parameters are Return Loss (S1,1), VSWR, Polar Radiation, Directivity (3D), etc. This demonstrates that the simulated Antenna is a better option for diagnosing the Early-Stage Cancers/Tumors in Skeletal muscles.
考虑到微波成像(MI)在生物医学领域的众多好处,本文在CST Studio Suite 2019软件中进行了微带贴片天线的模拟,该软件能够进行微波成像(MI)以检测骨骼肌的癌症/肿瘤。天线工作在2.45 GHz (ism频段),最高频率为1.6 GHz,最低频率为3.2 GHz。在这篇论文中,我们制作了一个由皮肤、脂肪和肌肉组成的三层人体幻影,然后在幻影的肌肉部分放置了一个小尺寸(5毫米)的肿瘤。天线被应用在距离幻影5毫米、10毫米和15毫米的三个距离上,以推断天线的性能。将天线应用于受癌症影响的体影上,天线与体影距离分别为5 mm、10 mm和15 mm,其SAR值分别为0.000287 W/kg、0.000229 W/kg和0.0000346 W/kg,谐振频率为2.45 GHz,满足美国联邦通信委员会(FCC)规定的最低SAR要求1.6 W/kg。得到的其他输出参数有回波损耗(S1,1)、驻波比、极辐射、指向性(3D)等。这表明模拟天线是诊断早期骨骼肌癌症/肿瘤的更好选择。
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引用次数: 0
Face Mask Detection: A Real-Time Android Application Based on Deep Learning Modeling 面具检测:基于深度学习建模的实时Android应用
Hardik Sharma, Harshini Sewani, Rajat Garg, R. Kashef
The accelerated spread of the COVID-19 (coronavirus) disease has put stress on healthcare systems. Some safety measures are provided, such as keeping social distance and wearing a mask, which can help curb transmission and save lives. This paper aims to detect whether a person is wearing a mask or not with video surveillance to enforce health and safety regulations in real-time. We propose a solution for face mask detection using two deep learning models, the MobileNetV2 and the Modified Convolutional Neural Network (MCNN). The trained models are converted to TensorFlow Lite to deploy an Android Application. Our models can achieve up to 99% accuracy. In this paper, an analysis of the number of individuals not wearing masks is provided by capturing the face and storing it on a mobile-backend-as-a-service. Our application can be adopted to increase health measures in real-time and control the spread of COVID-19.
COVID-19(冠状病毒)疾病的加速传播给卫生保健系统带来了压力。提供了一些安全措施,如保持社交距离和戴口罩,这有助于遏制传播和挽救生命。本文旨在通过视频监控检测一个人是否戴口罩,以实时执行健康和安全法规。我们提出了一种使用两种深度学习模型(MobileNetV2和改进卷积神经网络(MCNN))的面罩检测解决方案。训练后的模型被转换为TensorFlow Lite来部署Android应用程序。我们的模型可以达到99%的准确率。在本文中,通过捕获面部并将其存储在移动后端即服务中,提供了对未戴口罩的个人数量的分析。我们的应用程序可以实时增加卫生措施,控制COVID-19的传播。
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引用次数: 5
A Lightweight Underwater Object Detection Model: FL-YOLOV3-TINY 一种轻型水下目标检测模型:FL-YOLOV3-TINY
Cong Tan, Dandan Chen, Haijie Huang, Qiuling Yang, Xiangdang Huang
Due to the variety of underwater object species and small object, the traditional object detection model is difficult to adapt to underwater object detection in accuracy and real-time. In this paper, a lightweight detection model FL-YOLOV3-TINY is proposed, which improves the detection accuracy and real-time performance while shrinking the model size. In FL-YOLOV3-TINY, first, the model reduces the number of parameters by introducing deep separable convolutional module to replace traditional convolutional feature extraction module. Secondly, in order to improve the detection ability of small objects and obtain more delicate image features, FL-YOLOV3-TINY adds the feature size to the three-scale to improve the detection performance. Finally, the CIoU loss regression function is introduced to make the prediction box closer to the actual box. Experiments show that compared with other lightweight models YOLOV3-MobilenetV1 and YOLOV3-Tiny, FL-YOLOV3-TINY has better mAP performance (13.7% and 10.9% increase, respectively) and better real-time perfurmance(6% and 29% increase in FPS, respectively). Meanwhile, the model size is reduced by 43% compared to YOLOV3-Tiny.
由于水下目标种类繁多,目标体积小,传统的目标检测模型在精度和实时性上难以适应水下目标的检测。本文提出了一种轻量级的检测模型FL-YOLOV3-TINY,在缩小模型尺寸的同时提高了检测精度和实时性。在FL-YOLOV3-TINY中,首先,模型通过引入深度可分离卷积模块来取代传统的卷积特征提取模块,减少了参数的数量;其次,为了提高小物体的检测能力,获得更细腻的图像特征,FL-YOLOV3-TINY在三尺度中加入特征尺寸,提高检测性能。最后,引入CIoU损失回归函数,使预测框更接近实际框。实验表明,与其他轻量化模型YOLOV3-MobilenetV1和YOLOV3-Tiny相比,FL-YOLOV3-TINY具有更好的mAP性能(分别提高13.7%和10.9%)和更好的实时性(FPS分别提高6%和29%)。同时,与YOLOV3-Tiny相比,模型尺寸缩小43%。
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引用次数: 5
Analysis of different types of word representations and neural networks on sentiment classification tasks 情感分类任务中不同类型词表示和神经网络的分析
Rajvardhan Patil, Nathaniel Bowman, Jeremy Wood
This paper evaluates and compares the performance of sentiment analysis using traditional vector representations to the word-embedding approach, and shallow networks to recurrent and gated neural networks. In the traditional approach, we explore ways the data can be presented in discrete space and how they perform on sentiment-analysis tasks. We compare their performances with the word-embeddings approach on the same sentiment analysis tasks where the words are represented in continuous-space. We use shallow machine-learning models, such as naïve bayes, nearest neighbor, stochastic gradient descent, decision tree, logistic regression, etc. in the traditional approach. For the word-embeddings approach, we apply - RNNs, LSTMs, and GRUs to perform the analysis. RNNs were used to overcome N-gram fixed window size limitation, and GRU and LSTM were used to overcome RNN's vanishing and exploding gradient problem and to capture long distance relationships. It was found that recurrent network models and word embeddings overall do better than the shallow networks and traditional word representations.
本文评估并比较了使用传统向量表示与词嵌入方法的情感分析性能,以及浅层网络与循环和门控神经网络的性能。在传统方法中,我们探索数据在离散空间中呈现的方式,以及它们如何执行情感分析任务。在相同的情感分析任务中,我们将它们与词嵌入方法的表现进行了比较,其中词在连续空间中表示。我们在传统方法中使用浅层机器学习模型,如naïve贝叶斯、最近邻、随机梯度下降、决策树、逻辑回归等。对于词嵌入方法,我们应用rnn、lstm和gru来执行分析。RNN用于克服N-gram固定窗口大小的限制,GRU和LSTM用于克服RNN的梯度消失和爆炸问题,并捕获长距离关系。研究发现,循环网络模型和词嵌入总体上优于浅层网络和传统的词表示。
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引用次数: 1
A Deep Reinforcement Learning: Location-based Resource Allocation for Congested C-V2X Scenario 深度强化学习:拥挤C-V2X场景下基于位置的资源分配
Shubhangi Bhadauria, S. Vasan, Moustafa Roshdi, Elke Roth-Mandutz, Georg Fischer
Cellular- Vehicle-to-Everything (C- V2X) communication as standardized in the 3rd generation partnership project (3GPP) plays an essential role in enabling fully autonomous driving. C- V2X envisions supporting various use-cases, e.g., platooning and remote driving, with varying quality of service (QoS) requirements regarding latency, reliability, data rate, and positioning. In order to ensure meeting these stringent QoS requirements in realistic mobility scenarios, an intelligent and efficient resource allocation scheme is required. This paper addresses channel congestion in location-based resource allocation based on Deep Reinforcement Learning (DRL) for vehicle user equipment (V-UE) in dynamic groupcast communication, i.e., without a V-UE acting as a group head. Using DRL base station acts as a centralized agent. It adapts the channel congestion due to vehicle density in resource pools segregated based on location in a TAPASCologne scenario in the Simulation of Urban Mobility (SUMO) platform. A system-level simulation shows that a DRL-based congestion approach can achieve a better packet reception ratio (PRR) than a legacy congestion control scheme when resource pools are segregated based on location.
第三代合作伙伴计划(3GPP)标准化的蜂窝-车到一切(C- V2X)通信在实现完全自动驾驶方面发挥着至关重要的作用。C- V2X设想支持各种用例,例如队列行驶和远程驾驶,在延迟、可靠性、数据速率和定位方面具有不同的服务质量(QoS)要求。为了在现实的移动场景中满足这些严格的QoS要求,需要一种智能高效的资源分配方案。本文研究了动态组播通信中基于深度强化学习(DRL)的车辆用户设备(V-UE)基于位置的资源分配中的信道拥塞问题,即在没有V-UE作为组头的情况下。使用DRL基站充当集中式代理。在城市交通模拟(SUMO)平台的TAPASCologne场景中,它适应了基于位置隔离的资源池中车辆密度造成的通道拥塞。系统级仿真表明,当资源池根据位置隔离时,基于drl的拥塞控制方法比传统的拥塞控制方案获得更好的分组接收比。
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引用次数: 2
Design and Development of an Integrated Internet of Audio and Video Sensors for COVID-19 Coughing and Sneezing Recognition 新型冠状病毒咳嗽和打喷嚏识别的集成互联网音视频传感器的设计与开发
Sina Kiaei, S. Honarparvar, S. Saeedi, S. Liang
There are a lot of ongoing efforts to combat the COVID-19 pandemic using different combinations of low-cost sensing technologies, information/communication technologies, and smart computation. To provide COVID-19 situational awareness and early warnings, a scalable, real-time sensing solution is needed to recognize risky behaviors in COVID-19 virus spreading such as coughing and sneezing. Various coughing and sneezing recognition methods use audio-only or video-only sensors and Deep Learning (DL) algorithms for smart event recognition. However, each of these recognition processes experiences several types of failure behaviors due to false detection. Sensor integration is a solution to overcome such failures. Moreover, it improves event recognition precision. With the wide availability of low-cost audio and video sensors, we proposed a real-time integrated Internet of Things (IoT) architecture to improve the results of coughing and sneezing recognition. Implemented architecture joins edge and cloud computing. In edge computing, the microphone and camera are connected to the internet and embedded with a DL engine. Audio and video streams are fed to edge computing to detect coughing and sneezing actions in realtime. Cloud computing, which is developed based on the Amazon Web Service (AWS), combines the results of audio and video processing. In this paper, a scenario of a person coughing and sneezing was developed to demonstrate the capabilities of the proposed architecture. The experimental results show that the proposed architecture improved the reliability of coughing and sneezing recognition in the integrated cloud system compared to audio-only and video-only detectors. Three factors have been considered to compare the results of the proposed architecture: F-score, precision, and recall. The precision and recall of the cloud detector are improved on average by %43 and %15, respectively, compared to audio-only and video-only detectors. The F-score improved on average 1.24 times.
目前正在进行许多努力,利用低成本传感技术、信息/通信技术和智能计算的不同组合来抗击COVID-19大流行。为了提供COVID-19态势感知和早期预警,需要一种可扩展的实时传感解决方案来识别COVID-19病毒传播中的危险行为,如咳嗽和打喷嚏。各种咳嗽和打喷嚏识别方法使用纯音频或纯视频传感器和深度学习(DL)算法进行智能事件识别。然而,这些识别过程中的每一个都经历了几种由于错误检测而导致的失败行为。传感器集成是克服此类故障的解决方案。提高了事件识别的精度。随着低成本音频和视频传感器的广泛应用,我们提出了一种实时集成物联网(IoT)架构,以改善咳嗽和打喷嚏的识别结果。实现的架构连接边缘和云计算。在边缘计算中,麦克风和摄像头连接到互联网并嵌入DL引擎。音频和视频流被馈送到边缘计算,以实时检测咳嗽和打喷嚏的行为。基于亚马逊网络服务(AWS)开发的云计算将音频和视频处理的结果结合在一起。在本文中,开发了一个人咳嗽和打喷嚏的场景来演示所提议的架构的功能。实验结果表明,与纯音频和纯视频探测器相比,该架构提高了综合云系统中咳嗽和打喷嚏识别的可靠性。我们考虑了三个因素来比较所提出的体系结构的结果:f分数、精度和召回率。与纯音频检测器和纯视频检测器相比,云检测器的精度和召回率分别平均提高了% 43%和% 15%。f分数平均提高了1.24倍。
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引用次数: 0
期刊
2021 IEEE 12th Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON)
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