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Mobile Crowd-sourced Data Fusion and Urban Traffic Estimation 移动众包数据融合与城市交通估计
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1844
Q. Minh, P. N. Huu, Takeshi Tsuchiya
Urban traffic estimation is one of the critical tasks for intelligent transportation systems (ITS). To estimate traffic condition, accurately and timely traffic data must be sensed frequently at every location around the city utilizing multimedia data fusion and analytics. This paper proposes a novel approach to urban traffic data collection and analysis leveraging crowd-sourced data from drivers and mobile users. Concretely, we have proposed solutions for mobile crowd-sourced data fusion to which just the right traffic data is collected automatically by GPS modules equipped in mobile devices. In addition, mechanisms for data validation and analytics for traffic estimation have been devised. Consequently, a mobile application is developed and provided to public users so that they can conveniently collect and share traffic data to the system. Besides, users can access traffic information and ITS services such as routing recommendation freely. The proposed system has been deployed for a real-world application in Ho Chi Minh City (HCMC), the largest city in Vietnam. Experimental results from real-field data confirm the feasibility, effectiveness and efficiency of the proposed approaches.
城市交通估计是智能交通系统的关键任务之一。为了估计交通状况,必须利用多媒体数据融合和分析技术,在城市周围的每个位置频繁地感知准确及时的交通数据。本文提出了一种利用来自司机和移动用户的众包数据来收集和分析城市交通数据的新方法。具体而言,我们提出了移动众包数据融合的解决方案,通过移动设备中配备的GPS模块自动采集合适的交通数据。此外,还设计了用于流量估计的数据验证和分析机制。因此,开发了一个移动应用程序并提供给公众用户,以便他们可以方便地收集和共享交通数据到系统。此外,用户还可以自由访问交通信息和路线推荐等ITS服务。该系统已经在越南最大的城市胡志明市(HCMC)进行了实际应用。实测数据的实验结果验证了所提方法的可行性、有效性和高效性。
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引用次数: 1
Data Analytics on Eco-Conditional Factors Affecting Speech Recognition Rate of Modern Interaction Systems 影响现代交互系统语音识别率的生态条件因素数据分析
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1849
A. C. Kaladevi, R. Saravanakumar, K. Veena, V. Muthukumaran, N. Thillaiarasu, S. S. Kumar
Speech-based Interaction systems contribute to the growing class of contemporary interactive techniques (Human-Computer Interactive system), which have emerged quickly in the last few years. Versatility, multi-channel synchronization, sensitivity, and timing are all notable characteristics of speech recognition. In addition, several variables influence the precision of voice interaction recognition. However, few researchers have done a significant study on the five eco-condition variables that tend to affect speech recognition rate (SRR): ambient noise, human noise, utterance speed, and frequency. The principal strategic goal of this research is to analyze the influence of the four variables mentioned earlier on SRR, and it includes many stages of experimentation on mixed noise speech data. The sparse representation-based analyzing technique is utilized to analyze the effects. Speech recognition is not noticeably affected by a person’s usual speaking pace. As a result, high-frequency voice signals are more easily recognized (∼∼98.12%) than low-frequency speech signals in noisy environments. By performing the experiments, the test results may help design the distributive controlling and commanding systems.
基于语音的交互系统对不断增长的当代交互技术(人机交互系统)做出了贡献,这些技术在过去几年中迅速出现。通用性、多通道同步、灵敏度和时序都是语音识别的显著特点。此外,有几个变量影响语音交互识别的精度。然而,对于影响语音识别率的环境噪声、人为噪声、语速和频率这5个生态条件变量的研究却很少。本研究的主要战略目标是分析前面提到的四个变量对SRR的影响,它包括在混合噪声语音数据上的多个实验阶段。利用基于稀疏表示的分析技术对效果进行分析。语音识别不会受到一个人平常说话速度的明显影响。因此,在嘈杂环境中,高频语音信号比低频语音信号更容易被识别(~ ~ 98.12%)。通过实验,测试结果可为分布式控制指挥系统的设计提供参考。
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引用次数: 1
Location Prediction of Rogue Access Point Based on Deep Neural Network Approach 基于深度神经网络的流氓接入点位置预测
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1845
Apisak Ketkhaw, S. Thipchaksurat
One of the serious security problems in wireless local networks (WLAN) is the existence of the rogue access points (RAPs). To prevent our network from the RAP attacks, we need to identify the RAPs by using the RAP detection methods. However, the identification of RAP location is also a challenging task. The objective of this paper is to propose the location prediction scheme for the RAP. We call our proposed scheme as the location prediction of rogue access point (LPRAP). The LPRAP scheme consists of two mechanisms, the RAP detection mechanism and the RAP location prediction mechanism. We apply the concept of the fingerprint in the RAP detection mechanism by considering the SSID, time duration of broadcasting beacon frame and MAC address. We show that this mechanism can detect the number of RAP. For the RAP location prediction mechanism, we utilize the deep neuron network (DNN) to predict the location of RAPs and evaluate its effectiveness. We evaluate the performance of LPRAP by comparing with those of other machine learning methods such as Support Vector Machine (SVM), K-Nearest Neighbor (KNN), Naive Bayes, and Multi-layer Perceptron (MLP). We also compare with particle swarm optimization algorithm. The results show that LPRAP can accurately predict the location of RAP up to 99.29%.
无线局域网(WLAN)中严重的安全问题之一是非法接入点(rap)的存在。为了防止我们的网络受到RAP攻击,我们需要使用RAP检测方法来识别RAP。然而,RAP位置的确定也是一项具有挑战性的任务。本文的目的是提出RAP的位置预测方案。我们将提出的方案称为流氓接入点的位置预测(LPRAP)。LPRAP方案由RAP检测机制和RAP位置预测机制两部分组成。通过考虑SSID、广播信标帧的持续时间和MAC地址,将指纹的概念应用到RAP检测机制中。我们证明了这种机制可以检测RAP的数量。对于RAP位置预测机制,我们利用深度神经元网络(deep neuron network, DNN)来预测RAP的位置并评估其有效性。我们通过与其他机器学习方法(如支持向量机(SVM)、k近邻(KNN)、朴素贝叶斯和多层感知器(MLP))进行比较来评估LPRAP的性能。并与粒子群算法进行了比较。结果表明,LPRAP预测RAP位置的准确率高达99.29%。
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引用次数: 1
Voice Controlled Comparator Improvement Based on Resource Utilization in SoC Ecosystem for Parking Assist System 基于SoC生态系统资源利用的语音控制比较器改进
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1846
S. Prongnuch, S. Sitjongsataporn
This paper introduces the voice controlled comparator improvement for maneuvering a miniature electric vehicle based on the resource utilization in the system-on-chip (SoC) ecosystem. An intelligent parking assist is to support the driver outside a car while parking in the crowded locations. Voice controlled improvement based on the resource utilization on the SoC ecosystem is modified to command for moving vehicle. The normalized cross correlation (NCC) technique is proposed for voice controlled system with low utilization on the SoC ecosystem. Hardware and software co-design by the Xilinx VIVADO and Vitis software are used to design on an ARM multicore processor and field programmable gate array (FPGA) system inside a ‘Zedboard’ development board. We perform the experiments for Thai command word recognition via Bluetooth using the proposed NCC method to identify the basic command stored on SD card in Zedboard. Empirical results show the voice controlled improvement based on the Pearson’s correlation coefficient (PCC), modified PCC and proposed NCC methods on a Zedboard. The resource utilization on Zedboard are less than as 17.57% in look-up table (LUT), 29.12% in look-up table random access memory (LUTRAM), 6.44% in flip-flop (FF) and 2.38% in input/output (I/O) as compared with a ZYBO system. An average execution time of Zedboard using proposed NCC method is less than PCC and modified PCC as 5.12%, 1%, respectively. Results of proposed NCC of Thai voice command controlled show the validate workability at average percentage accuracy at 90% in the outdoor environments.
介绍了一种基于片上系统(SoC)生态系统中资源利用的小型电动汽车声控比较器改进方案。智能停车辅助系统是指在车辆拥挤的地方停车时,在车外为驾驶员提供支持的系统。基于SoC生态系统资源利用的语音控制改进,修改为移动车辆的指令。针对SoC生态系统中利用率较低的语音控制系统,提出了归一化互相关(NCC)技术。由赛灵思VIVADO和Vitis软件共同设计的硬件和软件用于在“Zedboard”开发板内的ARM多核处理器和现场可编程门阵列(FPGA)系统上进行设计。我们利用提出的NCC方法对存储在Zedboard中SD卡上的基本命令进行了蓝牙泰语命令词识别实验。实验结果表明,基于Pearson相关系数(PCC)、改进的PCC和在Zedboard上提出的NCC方法对语音控制进行了改进。与ZYBO系统相比,Zedboard的资源利用率在查找表(LUT)上低于17.57%,在查找表随机存取存储器(LUTRAM)上低于29.12%,在触发器(FF)上低于6.44%,在输入/输出(I/O)上低于2.38%。采用NCC法计算Zedboard的平均执行时间分别比PCC法和修正PCC法低5.12%、1%。所提出的泰语语音命令控制NCC在室外环境下的平均准确率为90%,验证了其可操作性。
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引用次数: 0
Adaptive Secure Energy Efficiency Routing Protocol for Wireless Sensor Network 无线传感器网络自适应安全能效路由协议
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1843
S.K. Bethi, Nageswara Rao Moparthi
Wireless Sensor Network (WSN) is highly used in many applications for monitoring purposes. Many researchers were carried out in energy efficiency and security to improve network performance. In this research, the Adaptive Secure Energy Efficiency Routing Protocol (ASEERP) is proposed to improve security and reduce the energy consumption of the WSN. Gaussian distribution is used in this model to improve the synchronization of the model for the routing. Initialization of the node is carried out based on the residual energy of the node and neighbor node of WSN. The model routing phase transmits the data based on direct transmission and relay transmission based on path availability and distance. The direct transmission is carried out in a possible scenario to save energy in the neighbor nodes. The co-operation phase in the model helps to select the best relay based on the residual energy if the transmission is carried out based on the relay node. The source information and relay information are combined to analyze the neighbourhood information to adaptively select the optimal path in the model. The incoming packets and outgoing packets of the sensor nodes are measured to detect the attack and attack indicator estimation is used to detect the malicious node to deny access to it. The proposed ASEERP model has an energy consumption of 57 J, the existing LEACH-C model has 80 J and the SMEER model has 72 J for 600 ms time.
无线传感器网络(WSN)在许多监测应用中得到了广泛的应用。为了提高网络的性能,在能源效率和安全性方面进行了大量的研究。为了提高无线传感器网络的安全性,降低网络能耗,提出了自适应安全能效路由协议(ASEERP)。该模型采用高斯分布,提高了模型对路由的同步性。节点的初始化是基于WSN节点和邻居节点的剩余能量进行的。模型路由阶段采用直接传输的方式进行数据传输,根据路径可用性和距离进行中继传输。在可能的情况下进行直接传输,以节省邻居节点的能量。如果基于中继节点进行传输,则模型中的合作阶段有助于根据剩余能量选择最佳中继。结合源信息和中继信息分析邻域信息,自适应选择模型中的最优路径。通过测量传感器节点的入报文和出报文来检测攻击,通过攻击指标估计来检测恶意节点并拒绝访问。提出的ASEERP模型在600 ms时间内的能耗为57 J,现有的LEACH-C模型为80 J, SMEER模型为72 J。
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引用次数: 0
Fog Computing Enabled Hydroponic Farming Systems 雾计算支持水培农业系统
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1842
Q. Minh, Vysotskii GIa, Sang Nguyen Tan, P. N. Huu, Takeshi Tsuchiya
Intelligent hydroponic farming that leverages IoT advantages is a pattern of modern farming technology as it not only increases crop productions but also reduces negative impacts from traditional methods. This paper proposed a fog computing enabled hydroponic farming framework that devises low-cost data collection and novel data analysis mechanisms to deliver intelligent farming systems. In this framework, the data from multiple IoT sensors at the garden are collected, filtered and analyzed by artificial neural network (ANN) models deployed at the fog landscapes, while the ANN models are trained in the cloud with a large amount of historical farming data. This approach allows the intelligent models being updated, reducing the communication cost and response time, while utilizing computing resources available on the network edge. The evaluation results on the developed prototype depict the effectiveness and the performance of the proposed approach revealing that it is feasible and ready to be applied in real-world applications.
利用物联网优势的智能水培农业是现代农业技术的一种模式,它不仅可以提高作物产量,还可以减少传统方法的负面影响。本文提出了一个雾计算支持的水培农业框架,该框架设计了低成本的数据收集和新颖的数据分析机制,以提供智能农业系统。在这个框架中,来自花园中多个物联网传感器的数据由部署在雾景中的人工神经网络(ANN)模型收集、过滤和分析,而ANN模型则在云中使用大量的历史农业数据进行训练。这种方法允许更新智能模型,减少通信成本和响应时间,同时利用网络边缘上可用的计算资源。对所开发的原型的评估结果描述了所提出方法的有效性和性能,表明该方法是可行的,可以在实际应用中应用。
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引用次数: 4
Fusion of Information in Indoor Localization Techniques 室内定位技术中的信息融合
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1847
P. Kanakaraja, Sarat K. Kotamraju, K. Kavya
In this work, a study of location systems in indoor environments is carried out, starting with the measurement techniques used, the different types of methodologies that can be applied to obtain the position of a device, and the technologies most used to solve these kinds of problems. Lately, it has been an expansion in utilizing location-based services, which builds the investigation of this framework. Also, while the outdoor location is substantially more progressed, the indoor location is continually under audit and, by its inclination, requires a lot tighter precision. The indoor environment can lead the communication from global navigation system and GPS system. The ultrawide band and WLAN techniques are many communication protocols those applications need proper techniques to guide indoor environment. The main objective of this article is based on making a review of the state of the art of location systems in indoor environments, analysing the strengths and weaknesses of existing systems and analysing the possibility of proposing, from a theoretical point of view, the use of information fusion techniques to improve existing systems. Specifically, the possibility of using a system architecture in which several technologies are merged to achieve a more precise result will be analysed. To compare various existing Indoor Navigational methods advantages, disadvantages, and applications. All proposed Indoor Methods based on the requirement the user utilizes required localization techniques. This article mainly focuses on sensor fusion techniques. Moreover, this research introduces an architecture with different layers based on sensor fusion techniques to smooth indoor navigations. The novel methodology providing efficient outcomes like sensitivity 98.34%, accuracy 97.89%, Recall 96.78% and F measure 96.73%.
在这项工作中,对室内环境中的定位系统进行了研究,从使用的测量技术开始,可以应用于获取设备位置的不同类型的方法,以及最用于解决这些问题的技术。最近,它在利用基于位置的服务方面得到了扩展,这建立了对该框架的研究。此外,虽然室外位置已经取得了很大的进展,但室内位置仍在不断地进行审计,并且根据其倾向,需要更严格的精度。室内环境可以引导来自全球导航系统和GPS系统的通信。超宽带和无线局域网技术是众多通信协议中的一种,其应用需要适当的技术来引导室内环境。本文的主要目的是基于对室内环境定位系统的现状进行回顾,分析现有系统的优缺点,并分析从理论角度提出使用信息融合技术改进现有系统的可能性。具体地说,我们将分析使用一种系统架构的可能性,在这种架构中合并几种技术以获得更精确的结果。比较各种现有的室内导航方法的优点、缺点和应用。所有建议的室内方法都基于用户使用所需定位技术的要求。本文主要研究传感器融合技术。此外,本文还介绍了一种基于传感器融合技术的分层结构,以实现室内导航的平滑化。该方法的灵敏度为98.34%,准确率为97.89%,召回率为96.78%,F测量值为96.73%。
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引用次数: 0
The Osteoporosis Disease Diagnosis and Classification Using U-net Deep Learning Process 基于U-net深度学习过程的骨质疏松症诊断与分类
Pub Date : 2022-03-16 DOI: 10.13052/jmm1550-4646.1848
D. Rao, K. Ramesh, V. S. Ghali, M. Rao
The purpose of this research has been used to detect osteoporosis disease for Knee radiography. It can improve diagnostic performance over using the scan thermal image mode alone. During 2016 and 2021, researchers gathered CT, MRI, CTA, ultra sound images from individuals who had both skeletal bone density assessment and knee radiology at a local medical clinic for subjective labelling. But following models are most complicate to detect diagnosis of osteoporosis. Therefore, five level convolutional neural networks (CNN) models were used to diagnose osteoporosis from knee radiography. They also looked at ensemble models that included clinical variables in each U-Net. Every net was given an efficiency, accuracy, recall, sensitivity, negative predictive value (npv), F1 measure, and area under curve (AUC) rating. Exclusively knee rays were used to test the U-Net model, but GoogleNet, S-transform, ResNet and FCNN had the lowest accuracy, precision, and specificity. Whenever patient’s data were added, Efficient U-Net had the highest accuracy 99.23%, recall 98.76%, npv 0.93%, F1 score 99.23%, and AUC 99.72% scores among five level prediction methods. The U-Net models correctly identified osteoporosis from Knee radiography, and their performance had improved even more when clinical variables from health records were complex. This u-net based osteoporosis diagnosis is most helpful for future generation for better pre-detections.
本研究的目的是通过膝关节x线摄影检测骨质疏松症。与单独使用扫描热图像模式相比,它可以提高诊断性能。在2016年和2021年期间,研究人员收集了CT, MRI, CTA,超声波图像,这些图像来自当地医疗诊所进行骨骼骨密度评估和膝关节放射学的个体,以进行主观标记。但下列模型对骨质疏松症的检测诊断最为复杂。因此,采用5级卷积神经网络(CNN)模型对膝关节x线片骨质疏松症进行诊断。他们还研究了包含每个U-Net临床变量的综合模型。每个网络被赋予效率、准确性、召回率、灵敏度、负预测值(npv)、F1测量和曲线下面积(AUC)评级。仅使用膝关节射线来测试U-Net模型,但GoogleNet、S-transform、ResNet和FCNN的准确性、精密度和特异性最低。无论何时加入患者数据,在5种水平预测方法中,Efficient U-Net准确率最高,准确率为99.23%,召回率为98.76%,npv为0.93%,F1评分为99.23%,AUC评分为99.72%。U-Net模型从膝关节x线摄影中正确识别骨质疏松症,当来自健康记录的临床变量复杂时,它们的表现得到了更大的改善。这种基于u-net的骨质疏松症诊断对后代更好的预检测最有帮助。
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引用次数: 0
A Dimensional Consistency Aware Time Domain Analysis of the Generic Fractional Order Biquadratic System 一般分数阶双二次系统的维数一致性感知时域分析
Pub Date : 2022-02-04 DOI: 10.13052/jmm1550-4646.18316
R. Banchuin, R. Chaisricharoen
In this research, the time domain analysis of the fractional order biquadratic system with nonzero input and nonzero damping ratio has been performed. Unlike the previous works, the analysis has been generically done with dimensional consistency awareness without referring to any specific physical system where nonzero input and nonzero damping ratio have been allowed. The fractional differential equation of the system has been derived and analytically solved. The physical measurability of the dimensions of the fractional derivative terms which have been defined in Caputo sense, and response with significantly different dynamic from its dimensional consistency ignored counterpart have been obtained due to our dimensional consistency awareness. The resulting solution is applicable to the fractional biquadratic systems of any kind with any physical nature. Based on such solution and numerical simulations, the influence of the fractional order parameter to all major time domain parameters have been studied in detailed. The obtain results provide insight to the fractional order biquadratic system with dimensional consistency awareness in a generic point of view.
本文对具有非零输入和非零阻尼比的分数阶双二次系统进行了时域分析。与以前的工作不同,分析通常是在维度一致性意识的情况下进行的,而没有参考任何允许非零输入和非零阻尼比的特定物理系统。导出了系统的分数阶微分方程,并对其进行了解析求解。在Caputo意义下定义的分数阶导数项的维数具有物理可测量性,并且由于我们的维数一致性意识,得到了与忽略其维数一致性的对应项具有明显不同动态的响应。所得到的解适用于具有任何物理性质的任何类型的分数双二次系统。在此基础上,结合数值模拟,详细研究了分数阶参数对各主要时域参数的影响。所得结果从一般的角度对具有维一致性意识的分数阶双二次系统提供了深入的认识。
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引用次数: 0
Detection of Rice Plant Disease Using Deep Learning Techniques 利用深度学习技术检测水稻病害
Pub Date : 2022-02-04 DOI: 10.13052/jmm1550-4646.18314
S. Babu, Maravarman Manoharan, R. Pitchai
Deep learning has recently grown a lot of interest as a way to create a fast, efficient, and reliable image identification and categorization system. India, being one of the world’s most important rice producers and consumers, relies heavily on rice to propel its economy and provide its food needs. In the crop protective device, early and precise diagnosis of plant diseases is critical. Traditionally, identification was done either through visual inspection or laboratory testing. It is critical to identify any disease early and perform the necessary treatment to the damaged plants in order to guarantee the rice plants’ healthy and proper growth. Because disease detection by hand takes a long time and requires a lot of effort, having an automated system is unavoidable. A rice plant disease identification method depends on deep learning methodologies are presented in this research. Leaf smut, bacterial leaf blight, sheat blight, and brown spot diseases are four of the most frequent rice plant diseases identified in this study. The rice plant disease is identified and recognized using deep learning algorithms. This method of early detection of rice diseases could be utilized as a preventative tool as well as an early detection. The proposed approach provides enhanced accuracy of 99.45% and it is compared with the existing state-of-the-art approaches.
深度学习作为一种创建快速、高效、可靠的图像识别和分类系统的方法,最近引起了人们的极大兴趣。印度是世界上最重要的大米生产国和消费国之一,严重依赖大米来推动经济发展和满足粮食需求。在作物保护装置中,植物病害的早期准确诊断至关重要。传统上,鉴定要么通过目视检查,要么通过实验室测试。及早发现病害并对受损植株进行必要的处理,是保证水稻植株健康生长的关键。由于手工检测疾病需要很长时间和大量的精力,因此拥有一个自动化系统是不可避免的。提出了一种基于深度学习方法的水稻病害识别方法。叶黑穗病、细菌性叶枯病、油菜枯萎病和褐斑病是本研究中发现的四种最常见的水稻病害。利用深度学习算法对水稻病害进行识别。这种早期发现水稻病害的方法既可以作为一种预防工具,也可以作为一种早期发现方法。该方法的准确率提高了99.45%,并与现有最先进的方法进行了比较。
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引用次数: 3
期刊
J. Mobile Multimedia
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