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2022 3rd International Conference on Embedded & Distributed Systems (EDiS)最新文献

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Unsupervised Two-Stage TR-PCANet Deep Network For Unconstrained Ear Identification 无约束耳朵识别的无监督两阶段TR-PCANet深度网络
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996536
Aicha Korichi, Meriem Korichi, Maarouf Korichi, Oussama Aiadi
The main aim of this paper is to present a novel speedy, lightweight, and efficient two-stage TR-PCANet model for features extraction. TR-PCANet uses PCA to learn the filters of the convolutional layers. In order to generate powerful filters, we propose to augment the data used for the training. The Filter Learning stage is followed by binary Hashing and Blockwise Histogramming stages. At the end of the network, we propose normalizing the histograms using Tied Rank normalization. Moreover, as it could positively affect the identification rates, we suggest reshaping all images using CNN as a preprocessing stage. To further enhance the recognition yields, we combine TR-PCANet with TR-ICANet and DCTNet. We conduct extensive experiments on the public AWE dataset. The obtained results have proven the efficiency of the proposed network against TR-ICANet and DCTNet as well as the relevant state-of-the-art methods including deep learning-based ones.
本文的主要目的是提出一种新的快速、轻量级、高效的两阶段TR-PCANet特征提取模型。TR-PCANet使用PCA来学习卷积层的滤波器。为了生成强大的过滤器,我们建议增加用于训练的数据。过滤器学习阶段之后是二进制哈希和块直方图阶段。在网络的最后,我们提出使用并列秩归一化对直方图进行归一化。此外,由于它会积极影响识别率,我们建议使用CNN作为预处理阶段对所有图像进行重塑。为了进一步提高识别率,我们将TR-PCANet与TR-ICANet和DCTNet相结合。我们在公共AWE数据集上进行了广泛的实验。所得结果证明了所提出的网络对TR-ICANet和DCTNet以及相关的最新方法(包括基于深度学习的方法)的有效性。
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引用次数: 0
An Innovative Smart and Sustainable Low-cost Irrigation System for Smallholder Farmers' Communities 面向小农社区的创新智能和可持续低成本灌溉系统
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996498
Amine Dahane, R. Benameur, Bouabdellah Kechar
The agricultural sector has several difficulties today in ensuring the safety of the food supply. However, the Internet of Things (IoT) has recently come to light as a promising remedy with several cutting-edge uses in smart farming. The study presents the design and development of a low-cost and full-featured fog-IoT/AI system. The system has been created using open-source platforms that monitor agro-field data in real-time. However, the smallholder community is hesitant to adopt technology-based solutions. The PRIMA INTEL-IRRIS project aims to make digital and smart agricultural technologies more appealing and available to these communities by advancing the idea of intelligent irrigation “in-the-box” This study explains a low-cost fog-IoT/AI system of version 1.0 fully targeted toward smallholder farmer communities (SFCs) and how it may provide the notion of intelligent irrigation “in-the-box” concept.
今天,农业部门在确保食品供应安全方面遇到了一些困难。然而,物联网(IoT)最近被认为是一种有前途的补救措施,在智能农业中有几个尖端用途。该研究介绍了低成本和全功能雾物联网/人工智能系统的设计和开发。该系统是利用实时监控农田数据的开源平台创建的。然而,小农社区对采用基于技术的解决方案犹豫不决。PRIMA英特尔- irris项目旨在通过推进“盒子里的”智能灌溉理念,使数字和智能农业技术对这些社区更具吸引力和可用性。本研究解释了一个完全针对小农社区(sfc)的低成本雾物联网/人工智能系统1.0版本,以及它如何提供“盒子里的”智能灌溉概念。
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引用次数: 3
A Real Time Object Detection System for Infant Safe Sleep Based on YOLOv5 Algorithm 基于YOLOv5算法的婴儿安全睡眠实时目标检测系统
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996513
Randa Nachet, T. B. Stambouli
In this paper, a real-time object detection system is proposed to reduce the risk of Sudden Infant Death Syndrome (SIDS) related to unsafe sleeping positions. The main purpose is to apply the deep learning technology and train the YOLOv5 object detection algorithm to detect and recognize whether the safest sleeping positions. Experimental results show that the proposed model is able to achieve an accuracy of more than 99%, and the inference speed has reached 2.2 ms, which makes it compatible with real-time requirements. It can be integrated into baby monitoring devices, infant safety sleep detection systems, and mobile applications.
本文提出了一种实时目标检测系统,以降低与不安全睡姿相关的婴儿猝死综合征(SIDS)的风险。主要目的是应用深度学习技术,训练YOLOv5物体检测算法,检测和识别是否为最安全的睡姿。实验结果表明,该模型能够达到99%以上的准确率,推理速度达到2.2 ms,符合实时性要求。它可以集成到婴儿监控设备、婴儿安全睡眠检测系统和移动应用程序中。
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引用次数: 1
FPGA Implementation of Support Vector Machine for Gait Activity Classification 步态活动分类支持向量机的FPGA实现
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996523
Madaoui Lotfi, M. Kedir-Talha
People with lower limb amputations suffer from mobility limitations that degrade their quality of life. In this paper, we propose a hardware system dedicated to human walking activity recognition for smart prostheses, which uses a support vector machine (SVM) algorithm and time domain features to perform activity classification. To achieve a flexible and efficient hardware design, the architecture is implemented on FPGA Nexys 4 Artix 7 board using the Xilinx System Generator (XSG) for DSP. The performance evaluation of the proposed system has been done through a comparative study, the comparison has been done between floating point MATLAB results and fixed point XSG results.
下肢截肢患者的活动能力受到限制,从而降低了他们的生活质量。本文提出了一种针对智能假肢的人体行走活动识别硬件系统,该系统采用支持向量机(SVM)算法和时域特征进行活动分类。为了实现灵活高效的硬件设计,该架构采用Xilinx System Generator (XSG)作为DSP,在FPGA Nexys 4 Artix 7板上实现。通过对比研究对所提出的系统进行了性能评价,将浮点数MATLAB结果与定点XSG结果进行了比较。
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引用次数: 1
Designing a Web Accessibility Environment for the Visually Impaired 为视障人士设计无障碍网页环境
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996542
Meriem Zeboudj, K. Belkadi
The growth development of communication tools and storage technologies, as well as the technical simplicity of publishing information on the Internet, have enabled the production of a giant mass of Web information for which visually impaired users often do not have a guarantee of quality or reliability; They review a lot of data to sort out the results found and finally access their need. For this, mapping information needs to a relevant and accessible document is even more complex today. In this article, we propose an approach for visually impaired people to facilitate their navigating tasks while optimizing them, in which we focus on query reformulation by metaheuristics in the Web context and the accessibility of the latter.
通信工具和存储技术的不断发展,以及在互联网上发布信息的技术简单性,使得能够产生大量的网络信息,而视障用户往往无法获得质量或可靠性的保证;他们回顾了大量的数据,整理发现的结果,并最终访问他们的需要。为此,将信息映射到相关且可访问的文档的需求在今天变得更加复杂。在本文中,我们为视障人士提出了一种方法,以方便他们的导航任务,同时优化它们,其中我们重点关注在Web上下文中通过元启发式重新制定查询以及后者的可访问性。
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引用次数: 1
Toward memory-centric scheduling for PREM task on multicore platforms, when processor assignments are specified 当指定处理器分配时,在多核平台上实现以内存为中心的PREM任务调度
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996534
Ikram Senoussaoui, M. K. Benhaoua, H. Zahaf, G. Lipari
Real-time embedded systems are increasingly being built using commercial-off-the-shelf (COTS) components. Although these components generally offer high performance, they can occasionally incur significant timing delays. Computing precise bounds on timing delays due to contention is difficult without a proper support from the hardware. Rather than estimating contention safe delays, this work aims to avoid it. We consider hardware architectures where each core has a scratchpad memory and the task execution is divided into a memory phase and a computation phase (Predictable Execution Model - PREM). Tasks are allocated to cores by a partitioned scheduling scheme. Then we schedule memory phases using a non-preemptive scheduling approach, while computation phases are scheduled using preemptive single core schedulers. This paper presents a new artificial deadline based approach to avoid contention in memory phases, where tasks memory phases are assigned appropriate deadlines and scheduled by a non-preemptive scheduler (EDF). The effectiveness of the proposed method is evaluated using a set of synthetic experiments in terms of schedulability and analysis time.
实时嵌入式系统越来越多地使用商用现货(COTS)组件来构建。虽然这些组件通常提供高性能,但它们偶尔会导致严重的时间延迟。如果没有硬件的适当支持,计算由于争用引起的时间延迟的精确界限是困难的。这项工作的目的不是估计争用安全延迟,而是避免它。我们考虑的硬件架构中,每个核心都有一个临时存储器,任务执行分为内存阶段和计算阶段(可预测执行模型- PREM)。任务通过分区调度方案分配给核心。然后,我们使用非抢占式调度方法调度内存阶段,而使用抢占式单核调度程序调度计算阶段。本文提出了一种新的基于人工截止日期的方法来避免内存阶段的争用,该方法为任务的内存阶段分配适当的截止日期,并由非抢占调度程序(EDF)调度。通过一组综合实验,从可调度性和分析时间两方面对该方法的有效性进行了评价。
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引用次数: 1
A combination of multi and univariate anomaly detection in urban irrigation systems 城市灌溉系统多变量与单变量联合异常检测
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996520
Aurora González-Vidal, Jesús Fernández-García, A. Skarmeta
Water scarcity is a global concern that requires a more intelligent way to manage the water network in order to minimize consumption and losses. There is a current need for new automated and intelligent decision support systems that employ data analytic advances to analyze in real-time the anomalies and problems that appear in water usage. In our case, we have developed a 3 steps system using unsupervised algorithms, that has been tested on the irrigation of urban parks. Those steps consist of grouping the parks according to similarities in the irrigation by clustering the consumption time series, searching for the dates where multivariate anomalies occur in every group using the Vector Autoregressive Model, and finally, applying an ARIMA framework to each series in the area of those dates. Our methodology reduces the time that anomaly detection univariate systems require for analysing the whole univariate time series by extracting previous knowledge on a multivariate approach. This methodology, when integrated with an IoT platform, is a tool for easing the labelling of real anomalies and can help create supervised datasets for future research in the area. The approach is used in urban scenarios, however, can easily be extended to be an application for smart agriculture scenarios.
水资源短缺是一个全球关注的问题,需要一种更智能的方式来管理水网,以尽量减少消耗和损失。目前需要新的自动化和智能决策支持系统,这些系统采用先进的数据分析技术来实时分析水资源使用中的异常和问题。在我们的案例中,我们开发了一个使用无监督算法的三步系统,已经在城市公园的灌溉上进行了测试。这些步骤包括通过对消耗时间序列进行聚类,根据灌溉的相似性对公园进行分组,使用向量自回归模型搜索每组中出现多变量异常的日期,最后对这些日期区域内的每个序列应用ARIMA框架。我们的方法通过提取多变量方法上的先验知识,减少了异常检测单变量系统分析整个单变量时间序列所需的时间。当与物联网平台集成时,这种方法是一种简化真实异常标记的工具,可以帮助为该领域的未来研究创建受监督的数据集。该方法用于城市场景,但可以很容易地扩展为智能农业场景的应用。
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引用次数: 0
Bayesian Convolutional Neural Networks for Image Classification with Uncertainty Estimation 基于不确定性估计的贝叶斯卷积神经网络图像分类
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996478
F. Bessai-Mechmache, Maya N. Ghaffar, Rayan Y. Laouti
Over the past decade, deep learning has led to a cutting-edge performance in a variety of fields. However, it faces a fundamental constraint which is the treatment of uncertainty. The representation of the model's uncertainty is of significant importance in areas subject to strict safety or reliability re-quirements. Bayesian deep learning offers a new approach that showcases the degree of reliability of predictions made by neural networks. The present work tests deep learning with Bayesian thinking through a case study of image classification. It puts into practice Bayesian inference to tackle the problem of uncertainty in deep learning and shows its correlation with data quality and model accuracy. To reach this goal, we have implemented a Bayesian convolutional neural network using the variational inference algorithm, Bayes by Backprop. The proposed model was evaluated on an image classification task, with two benchmark datasets. The results' review allowed for validation of the Bayesian approach and showed that it obtains comparable results to those of a non-Bayesian convolutional neural network. Furthermore, the uncertainty of the model was estimated in terms of aleatory and epistemic uncertainty.
在过去的十年里,深度学习在许多领域都取得了前沿的成绩。然而,它面临着一个基本的限制,即不确定性的处理。在有严格的安全或可靠性要求的领域,模型不确定性的表示是非常重要的。贝叶斯深度学习提供了一种新的方法,展示了神经网络预测的可靠性程度。本文以图像分类为例,对贝叶斯思维下的深度学习进行了验证。将贝叶斯推理应用于解决深度学习中的不确定性问题,并展示了其与数据质量和模型精度的相关性。为了达到这个目标,我们使用变分推理算法Bayes by Backprop实现了一个贝叶斯卷积神经网络。在一个图像分类任务上,用两个基准数据集对该模型进行了评估。结果审查允许验证贝叶斯方法,并表明它获得与非贝叶斯卷积神经网络相当的结果。在此基础上,对模型的不确定性进行了评价。
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引用次数: 0
Multi-Population-based Parallelization of Ensemble of Differential Evolution Variants for Constrained Real Parameter Optimization 约束实参数优化中基于多种群的差分演化变量集成并行化
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996477
Leyla Belaiche, L. Kahloul, Manel Houimli, Selma Sahraoui, Saber Benharzallah, M. Grid, Nedjma Abidallah
Differential evolution (DE) algorithms face performance challenges, which lean on improving solutions quality, speed-up, and exploitation of computational resources. Parallelism represents a suitable paradigm for overcoming the DE challenges. The ensemble of differential evolution variants (EDEV) algorithm is a recent DE algorithm. EDEV constitutes three DE variants (JADE, CoDE, and EPSDE), which may decrease its speedup. In this paper, a multi-population parallel ensemble of differential evolution variants (MPPEDEV) is proposed based on the synchronous master/slave parallel model. The performance of the proposed MPPEDEV is tested using a constrained real parameter problem proposed in CEC 2006. Compared to four state-of-the-art DE algorithms, which are JADE, CoDE, EPSDE, and EDEV, the results show that MPPEDEV outperforms EDEV in terms of execution time and solutions quality, depending on the population size as a control parameter. Furthermore, MPPEDEV and EDEV outperform JADE, CoDE, and EPSDE in terms of solutions' quality.
差分进化(DE)算法面临着性能方面的挑战,这些挑战依赖于提高解的质量、加速和对计算资源的利用。并行性代表了克服DE挑战的合适范例。差分进化变体集成(EDEV)算法是一种最新的差分进化算法。EDEV包含三个DE变体(JADE、CoDE和EPSDE),这可能会降低其加速。提出了一种基于同步主从并行模型的多种群差分进化变体并行集成(MPPEDEV)算法。利用CEC 2006中提出的约束实参数问题对所提出的MPPEDEV的性能进行了测试。与JADE、CoDE、EPSDE和EDEV这四种最先进的DE算法相比,结果表明MPPEDEV在执行时间和解决方案质量方面优于EDEV,这取决于作为控制参数的种群大小。此外,MPPEDEV和EDEV在解决方案质量上优于JADE、CoDE和EPSDE。
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引用次数: 1
Basic Mobile Robot Prototyping Using RFID 使用RFID的基本移动机器人原型
Pub Date : 2022-11-02 DOI: 10.1109/EDiS57230.2022.9996471
I. Akli, Halimatou Boukari Alidou, A. Chekir, Samy Ouazine
Robotic platforms use RFID (Radio Frequency IDentification) technology in various fields of application (industrial, service, etc.). RFID tags can stores many information about the environment such as type of obstacles and their dimensions, humans, robots types, etc. Robot motion guided with RFID, has, thus, a tags stored data based behavior This article presents the design and the implementation of hardware and software architectures of a basic mobile robot prototype moving with RFID. The actions (walk straight, turn left/right etc.) executed by the mobile robot depend on data stored on the RFID tags. The proposed hardware architecture is based on a Raspberry Pi (single-board nano computer) for sending commands to the actuators and receiving sensorial data, and the Arduino controller-based development board for the low level control. The software architecture is based on Robot Operating System (ROS) nodes for the implementation and approach execution. The proposed architecture provides a fully functional and scalable system with integrating RFID technology.
机器人平台在各种应用领域(工业、服务等)中使用RFID(射频识别)技术。RFID标签可以存储许多关于环境的信息,如障碍物的类型及其尺寸,人,机器人的类型等。在RFID引导下的机器人运动,具有基于标签存储数据的行为。本文介绍了一个基于RFID的基本移动机器人原型的硬件和软件架构的设计和实现。移动机器人执行的动作(直走、左转/右转等)依赖于存储在RFID标签上的数据。提出的硬件架构基于Raspberry Pi(单板纳米计算机),用于向执行器发送命令并接收传感器数据,基于Arduino控制器的开发板用于低级控制。软件架构基于机器人操作系统(ROS)节点进行实现和方法执行。该架构提供了一个集成RFID技术的功能齐全且可扩展的系统。
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引用次数: 0
期刊
2022 3rd International Conference on Embedded & Distributed Systems (EDiS)
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