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2020 Conference on Information Communications Technology and Society (ICTAS)最新文献

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A Proposed IoT Based Smart Waste Bin Management System with An Optimized Route: A Case Study of Ghana 基于物联网的优化路径智能垃圾箱管理系统——以加纳为例
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.234005
Michael Christopher Xenya, Emmanuel D’souza, Koffie-Ocloo D. Woelorm, Robert Nii Adjei-Laryea, Ekow Baah-Nyarkoh
Waste management in Ghana has in recent times been a subject of discourse that pervades most of its industrial cities. The provision of waste bins at vantage points by waste management institutions is not enough to solve the problem of the current management system. In this paper, a proposed method that uses multiple solutions to address the issues of spillage and inefficient collection scheme is presented. The system provides a monitoring platform for the waste management institution to handle the alert records by creating orders for the garbage collectors/drivers which can be accessed via a mobile application system. The proposed system includes a smart waste bin which has a microcontroller-based system constructed and affixed to the top of the bins to detect bin level status and communicate to drivers and management office via SMS and application system. A work order is created once a utilizes is full which can be received by the drivers and routing system regarding the state of bins distributed within a specific geographic area that can be assessed on the drivers’ phone. The system implantation works successfully, making it possible to monitor waste bin status in real-time but occasionally had high latency which was primarily due to the use of GSM module for GSM/GPRS connectivity.
近年来,加纳的废物管理一直是其大多数工业城市讨论的主题。废物管理机构在有利位置提供废物回收箱,不足以解决现行管理制度的问题。在本文中,提出了一种使用多种解决方案来解决溢出和低效收集方案问题的方法。该系统为废物管理机构提供了一个监控平台,通过为垃圾收集商/司机创建订单来处理警报记录,这些订单可通过移动应用系统访问。该系统包括一个智能垃圾桶,该垃圾桶具有一个基于微控制器的系统,并安装在垃圾桶顶部,用于检测垃圾桶液位状态,并通过短信和应用系统与司机和管理办公室进行通信。一旦使用满了,就会创建一个工作订单,该订单可以由司机和路由系统接收,该系统可以通过司机的手机评估在特定地理区域内分布的垃圾箱的状态。系统植入工作成功,使实时监控垃圾箱状态成为可能,但偶尔会出现高延迟,这主要是由于使用GSM模块进行GSM/GPRS连接。
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引用次数: 18
Scoping the aspects and capabilities of South African School Administration and Management Systems (SA-SAMS) 界定南非学校行政和管理系统(SA-SAMS)的范畴和能力
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233988
Keneilwe Maremi, M. Herselman, A. Botha
The main purpose and focus of this paper is to determine the aspects and capabilities of the South African School Administration and Management System (SA-SAMS). This is necessary to assist and inform schools on how this system can support their administrative duties. This paper describes a scoping review of relevant publications on SA-SAMS, with the aim of ensuring that all aspects of the system are identified. The scoping review includes papers written between 2011-2019. SASAMS is described in detail in terms of its definition, history, aim, design rationale, function, maintenance for effectiveness, modules, people affected, and its disadvantages and advantages. The literature was obtained from ACM digital library, IEEE Xplore, Scopus, and ScienceDirect, and through the use of Harzing's Publish or Perish and Google Scholar. The topic of the paper was used as a search term for the literature review. The data was analyzed in terms of school management systems (SMS), SASAMS and its importance, its modules, and people affected by SA-SAMS. Results: The search identified 500 publications, of which 18 were found to be best suited to the purpose of the study. Three (3) tables with the most important aspects and capabilities to take into account when using SA-SAMS in the school environment were developed.
本文的主要目的和重点是确定南非学校行政和管理系统(SA-SAMS)的方面和能力。这是必要的,以协助和告知学校如何这个系统可以支持他们的行政职责。本文描述了对SA-SAMS相关出版物的范围审查,目的是确保确定该系统的所有方面。范围审查包括2011-2019年期间撰写的论文。详细描述了SASAMS的定义、历史、目标、设计原理、功能、有效性维护、模块、受影响的人员及其缺点和优点。文献来自ACM数字图书馆、IEEE explore、Scopus和ScienceDirect,并通过使用Harzing的Publish or Perish和Google Scholar获得。论文的主题被用作文献综述的搜索词。对数据进行了分析,包括学校管理系统(SMS)、SASAMS及其重要性、其模块以及受SA-SAMS影响的人员。结果:检索确定了500份出版物,其中18份被发现最适合研究目的。在学校环境中使用SA-SAMS时,我们开发了三(3)个表,其中列出了需要考虑的最重要方面和功能。
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引用次数: 2
Energy Demand and Trading Optimization in Isolated Microgrids 孤立微电网的能源需求与交易优化
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233994
R. Chidzonga, M. Gomba, B. Nleya
Future generation or smart grid (SG) will incorporate ICT technologies as well as innovative ideas for advanced integrated and automated power systems. The bidirectional information and energy flows within the envisaged advanced SG together with other aiding devices and objects, promote a new vision to energy supply and demand response. Meanwhile, the gradual shift to the next generation fully fledged SGs will be preceded by individual isolated microgrids voluntarily collaborating in the managing of all the available energy resources within their control to achieve optimality in both demand and distribution. In so doing, innovative applications will emerge that will bring numerous benefits as well as challenges in the SG. This paper introduces a power management approach that is geared towards optimizing power distribution, trading, as well as storage among cooperative microgrids (MGs). The initial task is to formulate the problem as a convex optimization problem and ultimately decompose it into a formulation that jointly considers user utility as well as factors such as MG load variance and associated transmission costs. It is deduced from obtained analytical results that the formulated generic optimization algorithm characterizing both overall demand and response by the cooperative microgrids assist greatly in determining the required resources hence leading to cost effectiveness of the entire system.
下一代或智能电网(SG)将结合ICT技术以及先进的集成和自动化电力系统的创新理念。在设想的先进SG内,信息和能量的双向流动与其他辅助设备和对象一起,促进了能源供需响应的新愿景。与此同时,在逐步向下一代成熟的智能电网过渡之前,单个孤立的微电网将自愿合作管理其控制范围内的所有可用能源,以实现需求和分配的最优化。在这样做的过程中,创新的应用将会出现,这将为SG带来许多好处和挑战。本文介绍了一种面向优化合作微电网(mg)之间的电力分配、交易和存储的电力管理方法。最初的任务是将该问题表述为一个凸优化问题,并最终将其分解为一个共同考虑用户效用以及MG负荷变化和相关传输成本等因素的公式。从得到的分析结果可以推断,所制定的描述合作微电网总体需求和响应的通用优化算法有助于确定所需资源,从而实现整个系统的成本效益。
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引用次数: 0
Enhanced Convolutional Neural Networks for Segmentation of Retinal Blood Vessel Image 增强卷积神经网络在视网膜血管图像分割中的应用
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233996
O. Sule, Serestina Viriri
Segmentation of fundus retinal blood vessels is one of the most challenging tasks in computer vision because of the difficulty in precisely capturing every minute detail in the tiny vessels necessary for accurate and early diagnosis and prognosis. These problems are attributed to noise, artifacts, low contrast associated with medical images especially fundus retinal images as a result of uneven illumination and the approach used in acquiring them. Other difficulties are the interference and distinction of pathologies (background) from blood vessels (foreground) during segmentation. To address these problems, this paper proposes an Enhanced Deep Convolutional Networks for Segmentation of Retinal Blood Vessel to explore the availability of huge channels and usage of global location and context in the U-net model. Enhancement techniques are also applied to input images at data pre-processing stage to enhance brightness and visibility before passing them to CNN for segmentation. The combination of these two effective tools will boost the sensitivity accuracy since it is a key factor that echoes a truthful valuation of blood vessel pixels, which is the principal goal in vessel segmentation for fundus image analysis. Our proposed method is evaluated on the Digital Retinal Images for Vessel Extraction (DRIVE) dataset and the performance achieves the state-of-the-art for segmentation of retinal blood vessels. with accuracy of 94.47, sensitivity of 70.92, specificity of 98.20 and area under the ROC curve of 97.56.
眼底视网膜血管的分割是计算机视觉中最具挑战性的任务之一,因为很难精确捕捉到准确和早期诊断和预后所必需的微小血管中的每一分钟细节。这些问题归因于噪声、伪影、与医学图像相关的低对比度,尤其是眼底视网膜图像,这是由于光照不均匀和获取方法所导致的。其他困难是在分割过程中对病理(背景)和血管(前景)的干扰和区分。为了解决这些问题,本文提出了一种用于视网膜血管分割的增强深度卷积网络,以探索U-net模型中巨大通道的可用性以及全局位置和上下文的使用。在数据预处理阶段,输入图像也采用增强技术,增强亮度和可见度,然后将其传递给CNN进行分割。这两种有效工具的结合将提高灵敏度和准确性,因为它是反映血管像素真实估值的关键因素,这是眼底图像分析血管分割的主要目标。我们提出的方法在数字视网膜血管提取(DRIVE)数据集上进行了评估,性能达到了视网膜血管分割的最新水平。准确度为94.47,灵敏度为70.92,特异度为98.20,ROC曲线下面积为97.56。
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引用次数: 7
A Novel Management Model for Dynamic Sensor Networks Using Diffusion Sets 基于扩散集的动态传感器网络管理新模型
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233985
Emmanuel Tuyishimire, A. Bagula
The internet of things is predicted to be a complex communication infrastructure embedding millions of devices built around different technologies. It will be using different protocols and operating systems while providing services in different fields. The management of information diffusion in such a complex communication infrastructure is a challenging issue that needs to be addressed efficiently to avoid local disturbances evolve to a large scale disaster by spreading out to the whole infrastructure.This paper revisits the issue of wireless sensor network management to evaluate the performance of information diffusion on connected systems. We propose a novel wireless sensor network partition into sets called "diffusion sets", which depends not only to sensors affinity but also to the mechanisms of the dynamic interactions and the underlying persistent communication model. After proving the partition property, we present the diffusion set computation algorithm and show through experimental results how it can be used by a collection tree algorithm to support efficient network engineering and predictions. Results show that the number of diffusion sets of a network is less correlated with existing network metrics which mater.
物联网预计将是一个复杂的通信基础设施,嵌入数百万个围绕不同技术构建的设备。它将使用不同的协议和操作系统,同时在不同的领域提供服务。在如此复杂的通信基础设施中,信息扩散管理是一个具有挑战性的问题,需要有效解决,以避免局部干扰扩散到整个基础设施而演变为大规模灾难。本文重新研究了无线传感器网络管理的问题,以评估连接系统上的信息扩散性能。我们提出了一种新的无线传感器网络划分方法,称为“扩散集”,它不仅取决于传感器的亲和力,还取决于动态交互机制和底层的持久通信模型。在证明了划分性质之后,我们提出了扩散集计算算法,并通过实验结果说明了如何利用集合树算法来支持高效的网络工程和预测。结果表明,网络扩散集的数量与现有网络指标的相关性较小。
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引用次数: 4
Planning of a sustainable microgrid system using HOMER software 利用HOMER软件规划可持续微电网系统
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233986
Vinny Motjoadi, K. E. Adetunji, M. Joseph
Electricity has been an imminent issue in remote areas. A microgrid system is an essential part of renewable energy sources of which is an integrated solution to global energy insufficiency and attractively caught the attention of energy industry players. Microgrids have immersed increased energy penetration where they have a promising potential of islanding and igniting energy efficiency globally. The objective of this paper is to develop an in-situ conforming microgrid, to explore effect of certain problems (such as power price, grid failure frequency, and grid mean repair time) and its effect to cost (total operating cost, total capital cost, net present cost), electricity production, and unmet load. We used HOMER to develop an optimized PV/Grid/Battery configuration while considering load patterns, temperature, solar irradiance, and other costs. Our study also showed that the upsurge of grid failure frequency and it mean repair time can cause an increase in total operating cost, which also increases even with the increase in power price. Results showed that initial capital cost, operating cost, COE, NPC were considerably economical at R 5,720,272.00, R 588,303.89.00, R 1.48, and R 1,330,000.00 respectively.
在偏远地区,电力一直是迫在眉睫的问题。微电网系统是可再生能源的重要组成部分,是解决全球能源不足的综合解决方案,引起了能源行业的广泛关注。微电网增加了能源渗透,在孤岛和点燃全球能源效率方面具有很好的潜力。本文的目标是开发原位一致性微电网,探讨某些问题(如电价、电网故障频率和电网平均维修时间)及其对成本(总运营成本、总资金成本、净现值成本)、发电量和未满足负荷的影响。在考虑负载模式、温度、太阳辐照度和其他成本的情况下,我们使用HOMER开发了优化的光伏/电网/电池配置。我们的研究还表明,电网故障频率和平均维修时间的增加会导致总运行成本的增加,并且随着电价的提高,总运行成本也会增加。结果表明,初始资金成本、运行成本、COE和NPC分别为5,720,272.00、588,303.89.00、1.48和1,330,000卢比,具有较好的经济性。
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引用次数: 6
Antecedents of M-Commerce User Experience from a Millennials Perspective in a South African Fashion Retail Context 南非时尚零售背景下千禧一代视角下移动商务用户体验的前因后果
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233993
Shaygen Arumugam, J. Wing
User experience has become of high priority to retailers due to the proliferation of shopping channels driven by technological innovation that are being embraced by a new generation of millennial consumers. They exceed 25 percent of the world’s population and are the largest growing online consumers. Furthermore, millennials have embraced mobile and wireless technologies as their channel of preference. The objective of this study is to determine whether current user experience antecedents identified in existing literature are applicable to millennials through m-commerce in the fashion retail sector. Furthermore, this study aims at identifying which category of user experience antecedents (i.e. utilitarian or hedonic) is most influential in this context. Research findings suggest that antecedents identified are relevant to the context of this study and that utilitarian antecedents have a greater influence on user satisfaction. This paper will assist e-retailers in providing an optimal user experience for millennials through m-commerce thereby improving online user satisfaction which positively influences customer retention and loyalty.
由于新一代千禧一代消费者所接受的技术创新推动了购物渠道的激增,用户体验已成为零售商的重中之重。他们占世界人口的25%以上,是增长最快的在线消费者。此外,千禧一代已经将移动和无线技术作为他们的首选渠道。本研究的目的是确定现有文献中确定的当前用户体验前因是否适用于时尚零售业的移动商务中的千禧一代。此外,本研究旨在确定哪一类用户体验前因(即功利主义或享乐主义)在此背景下最具影响力。研究结果表明,所识别的先行词与本研究的背景相关,功利先行词对用户满意度的影响更大。本文将帮助电子零售商通过移动商务为千禧一代提供最佳的用户体验,从而提高在线用户满意度,从而积极影响客户保留率和忠诚度。
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引用次数: 1
On The Efficiency of Heterogeneous System Architecture for Image Processing 异构系统架构在图像处理中的效率研究
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.233989
S. Chetty, S. Winberg
Graphics Processing Unit (GPU) based image processing algorithms have been previously developed to take advantage of the highly parallel nature of GPUs. However, these algorithms still exhibit problems of high programming complexity, relatively low device utilisation and difficulty when integrating into larger systems. In this paper, a set of image processing modules have been developed to take advantage of the computational characteristics of a System on a Chip (SoC) that contains both a GPU and a Central Processing Unit with fine grained shared virtual memory capabilities. The usage of shared memory simplifies design and removes the latency and bandwidth constraints associated with discrete GPUs on the Peripheral Component Interconnect Express (PCIe) bus. These modules feature a simple, composite design that improves upon previously developed algorithms by running discrete stages of the algorithms on the portions of the SoC that are best suited for them. This allows greater efficiency and lower code complexity than more expensive discrete-GPU-based alternatives.
基于图形处理单元(GPU)的图像处理算法先前已经开发出来,以利用GPU的高度并行特性。然而,这些算法仍然表现出编程复杂性高,设备利用率相对较低以及集成到更大系统时困难的问题。本文开发了一组图像处理模块,以利用片上系统(SoC)的计算特性,该系统包含GPU和具有细粒度共享虚拟内存功能的中央处理单元。共享内存的使用简化了设计,消除了与PCIe总线上的离散gpu相关的延迟和带宽限制。这些模块具有简单的复合设计,通过在最适合它们的SoC部分上运行算法的离散阶段,改进了以前开发的算法。与更昂贵的基于离散gpu的替代方案相比,这允许更高的效率和更低的代码复杂性。
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引用次数: 0
A Formal and Efficient Routing Model for Persistent Traffics in the Internet of Things 物联网持久流量的形式化高效路由模型
Pub Date : 2020-03-01 DOI: 10.1109/ICTAS47918.2020.234002
Emmanuel Tuyishimire, A. Bagula
Emerging internet of things applications are predicting deployment of sensor devices in thousands of computing elements into multi-technology and multi-protocol platforms. In this complex system, access to information will be available not only at any time and anywhere, but also using anything. The efficient management of such a complex system is still a subject of research. This paper revisits the "Least Interference Beaconing Algorithm" (LIBA) recently proposed for IoT settings and proposes preventive mechanisms to ensure efficient performance in terms of traffic engineering for emerging Internet of Things (IOT). It reveals the LIBA issues and address them by proposing a persistently correct routing algorithm. Using Z notation, the proposed algorithm referred to as PLIBA (Persistent Least Interference Routing Algorithm), is formalised and its properties leading to its correctness are formally stated and proven. Simulations show how step by step, the proposed algorithm corrects LIBA and how it improves the performance in terms of load balancing.
新兴的物联网应用预测,数千个计算元素中的传感器设备将部署到多技术和多协议平台中。在这个复杂的系统中,不仅可以随时随地获取信息,而且可以使用任何东西获取信息。如何对这样一个复杂的系统进行有效的管理仍然是一个研究课题。本文回顾了最近为物联网设置提出的“最小干扰信标算法”(LIBA),并提出了预防机制,以确保新兴物联网(IoT)流量工程的高效性能。它揭示了LIBA问题,并通过提出持久正确的路由算法来解决这些问题。使用Z符号,所提出的算法被称为PLIBA(持久最小干扰路由算法),被形式化,其导致其正确性的性质被形式化地陈述和证明。仿真结果表明,该算法逐步纠正了LIBA,并在负载平衡方面提高了性能。
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引用次数: 3
ICTAS 2020 Cover Page ICTAS 2020封面
Pub Date : 2020-03-01 DOI: 10.1109/ictas47918.2020.9082467
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引用次数: 0
期刊
2020 Conference on Information Communications Technology and Society (ICTAS)
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