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2014 IEEE Colombian Conference on Communications and Computing (COLCOM)最新文献

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Automated system for classifying Hass avocados based on image processing techniques 基于图像处理技术的哈斯鳄梨自动分类系统
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860414
E. E. Guerrero, G. Benavides
Farming of Hass-variety-avocado has become an important economic activity in Colombian agriculture for covering local market requirements but also for exporting high quality fruits to foreign markets. Many processes still need to be improved in different regions of Colombia where Hass variety is cultivated in order to increase the efficiency during harvesting, transportation and storage. Human-performed classification of avocados takes time that could be used by farm's personnel to perform other activities aimed to achieve higher quality standards and production efficiency. Product price and target market depends to a large extent on classification stage. We propose a system based on image processing of avocados' pictures for their classification after they have been picked off the tree. The classifying algorithm runs on a computer which receives fruit's images wirelessly from a camera, the result is transmitted using IEEE 802.15.4 packets and avocados are placed in conveyor belt rails according to their categories. Matching percentage of the image processing algorithm for selecting avocados was of 88% compared to the test set classified by expert farmers. Confusion matrix showed 82.22% accuracy when classifying avocados.
种植哈斯品种鳄梨已成为哥伦比亚农业的一项重要经济活动,不仅满足了当地市场的需求,而且还向国外市场出口高质量的水果。在种植哈斯品种的哥伦比亚不同地区,许多工艺仍需改进,以提高收获、运输和储存期间的效率。人工对牛油果进行分类需要时间,农场人员可以利用这些时间进行其他活动,以达到更高的质量标准和生产效率。产品价格和目标市场在很大程度上取决于分类阶段。我们提出了一个基于图像处理的系统,用于牛油果摘下来后的分类。分类算法在一台计算机上运行,该计算机通过摄像头无线接收水果图像,结果通过IEEE 802.15.4数据包传输,鳄梨根据其类别被放置在传送带轨道上。与专家农民分类的测试集相比,图像处理算法选择鳄梨的匹配率为88%。混淆矩阵对牛油果的分类准确率为82.22%。
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引用次数: 16
Asynchronous 8-bit processor mapped into an FPGA device 异步8位处理器映射到FPGA设备
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860430
Moisés Herrera, Francisco Viveros
Asynchronous digital design paradigm promises benefits over current synchronous design, in power reduction, speed increase and lower Electro-Magnetic Interference (EMI). These are special characteristics that enable longer battery life and higher IP core integration. This paper describes the design and implementation of an 8-bit asynchronous processor mapped into FPGA devices, described in VHDL language, with a minimalist, novel architecture and a simple but complete arithmetic, logic, shifter and program flow instruction set. The aim of this development is to be a demonstration of mapping complex asynchronous circuits in commercial FPGA devices as a way to get acquainted, understand the capability and applicability of the technology. For demonstration, this processor has been carried out into the Xilinx Spartan-6 XC6SLX9 FPGA and each of the constitutive modules into the Xilinx CoolRunner-II CPLD family devices. The Authors believe that it is possible to be carried out in many other FPGA device families, with minor changes in the asynchronous latch instantiation and User Constraint Files.
与当前的同步设计相比,异步数字设计范式在降低功耗、提高速度和降低电磁干扰(EMI)方面具有优势。这些特殊的特性使电池寿命更长,IP核集成度更高。本文用VHDL语言描述了一种映射到FPGA器件的8位异步处理器的设计与实现,该处理器具有极简、新颖的结构和简单而完整的算法、逻辑、移位器和程序流指令集。本开发的目的是演示在商用FPGA器件中映射复杂的异步电路,作为一种熟悉、理解该技术的能力和适用性的方法。为了进行演示,该处理器已在Xilinx Spartan-6 XC6SLX9 FPGA中进行,并将每个组成模块放入Xilinx CoolRunner-II CPLD系列器件中。作者认为,它可以在许多其他FPGA器件家族中进行,只需在异步锁存实例化和用户约束文件中进行微小的更改。
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引用次数: 5
Stochastic model for the characterization of a cluster and its resources in an ad-hoc network 自组织网络中集群及其资源特征的随机模型
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860402
Juan Pablo Ospina Lopez, Jorge Eduardo Ortiz Trivino
One of the expected properties of the ad hoc networks is the ability to increase its size to receive new nodes and configure new applications without affecting the quality of services. This property, called scalability is affected by the decentralized nature of ad hoc networks making it necessary to develop mechanisms that allow a large number of nodes work together without affecting network performance. In this paper, we propose a stochastic model based on the geometric distribution, which allows to characterize the level of resources in a hierarchical architecture and then establish an appropriate relationship between the level of resources of two successive layers of the network.
自组织网络的预期属性之一是能够在不影响服务质量的情况下增加其规模以接收新节点和配置新应用程序。这种被称为可伸缩性的属性受到自组织网络的分散特性的影响,因此有必要开发允许大量节点一起工作而不影响网络性能的机制。在本文中,我们提出了一个基于几何分布的随机模型,该模型允许在分层体系结构中表征资源水平,然后在连续两层网络的资源水平之间建立适当的关系。
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引用次数: 4
Design and construction of an astronomical online observatory 天文在线观测台的设计与建设
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860411
Edwin Andres Quintero Salazar, Jefferson Martinez Orozco, Daniel Felipe Henao Toro
This article describes the development of a Web platform and electronic circuit necessary to adapt the Astronomical Observatory of the Universidad Tecnológica de Pereira, operating as an online observatory that can be controlled remotely, becoming the first of its kind in the country. Likewise, the flowcharts of the developed application are presented in order to manage user and administrator profiles, as well as the hardware elements involved in the process of handling the telescope position, the rotation of the dome, opening and closing of the gates, on and off of the internal lighting, and video streaming from inside the observatory. The developed system is available in the website http://observatorioenlinea.utp.edu.co/, and provides access to the academic community that brings together researchers in topics related to astronomy, leaving behind the need to incur time and money to the physical movement of the researcher from the different existing study centers around the country to the observatory.
本文描述了一个网络平台和电子电路的开发,以适应universsidad Tecnológica de Pereira天文台,作为一个可以远程控制的在线天文台,成为该国第一个这样的天文台。同样,为了管理用户和管理员配置文件,以及处理望远镜位置、圆顶旋转、门的打开和关闭、内部照明的打开和关闭以及天文台内部视频流的过程中涉及的硬件元素,所开发的应用程序的流程图也被呈现出来。开发的系统可在网站http://observatorioenlinea.utp.edu.co/上获得,并提供访问学术社区的机会,该社区汇集了与天文学相关主题的研究人员,从而省去了研究人员从全国不同的现有研究中心到天文台的物理移动所需的时间和金钱。
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引用次数: 1
Classification of human parasite eggs based on enhanced multitexton histogram 基于增强多文本直方图的人类寄生虫卵分类
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860419
Roxana Flores-Quispe, Yuber Velazco-Paredes, Raquel Patiño Escarcina, C. B. Castañón
The Content-based image retrieval (CBIR) systems and their application in different areas of development, are current research topics, for that reason in this study content-based image retrieval is applied to classificate eight different human parasite eggs: Ascarias, Uncinarias, Trichuris, Dyphillobothrium-Pacificum, Taenia-Solium, Fasciola Hepática and Enterobius-Vermicularis, which are into the class of Helminthes, from their microscopic images. This proposed system includes two stages. In first stage, a feature extraction mechanism that is based on multitexton histogram descriptor (MTH) which has been improved and called `Enhanced MTH'. In second stage, an CBIR system has been implemented in orden to classificate the differents microscopic images to identify their correct species. Finally, simulation result shows overall success rates of 92,16% in the classification.
基于内容的图像检索(Content-based image retrieval, CBIR)系统及其在不同发展领域的应用是当前的研究课题,因此在本研究中,基于内容的图像检索应用于8种不同的人类寄生虫卵的显微图像分类:Ascarias, Uncinarias, Trichuris, Dyphillobothrium-Pacificum, Taenia-Solium, Fasciola Hepática和Enterobius-Vermicularis,它们属于蠕虫类。该系统包括两个阶段。在第一阶段,对基于多文本直方图描述符(MTH)的特征提取机制进行了改进,称为“增强型MTH”。在第二阶段,为了对不同的显微图像进行分类,以识别其正确的物种,实现了一个CBIR系统。最后,仿真结果表明,分类总体成功率为92.16%。
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引用次数: 8
EnViBo: Embedded network for vital sign and Biomedical Signal Monitoring EnViBo:用于生命体征和生物医学信号监测的嵌入式网络
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860431
G. Benavides, J. Duque
Ambulatory monitoring of vital sign and biomedical signals covers a wide spectrum of applications in different contexts nowadays and has been a research topic during the last decade. The plethora of IEEE 802.X communication standards, favors greatly the development of wireless sensor networks ranging from body-area to wide-area coverage. The use of gateways to connect wireless networks with infrastructure networks increase the range of coverage of monitoring applications, and allows getting data remotely through interfaces running on devices like desktop computers, laptops, tablets and smartphones. We present a monitoring platform called EnViBo which is based on a three level architecture; this platform integrates sensor nodes that use moderate-cost elements and Microchip's IEEE 802.15.4-based royaltie-free protocol named MiWi P2P for communications. The progresses in fields like embedded systems, energy harvesting solutions, microelectromechanical systems and wearable sensors, allows creating applications supported by EnViBo platform which can be both cost and operationally effective.
生命体征和生物医学信号的动态监测涵盖了广泛的应用范围,在过去的十年中一直是一个研究课题。过多的IEEE 802。X通信标准,极大地有利于从身体区域到广域覆盖的无线传感器网络的发展。使用网关将无线网络与基础设施网络连接起来,增加了监控应用程序的覆盖范围,并允许通过台式机、笔记本电脑、平板电脑和智能手机等设备上运行的接口远程获取数据。我们提出了一个基于三层架构的监测平台EnViBo;该平台集成了使用中等成本元件的传感器节点和Microchip基于IEEE 802.15.4的免版税协议MiWi P2P进行通信。嵌入式系统、能量收集解决方案、微机电系统和可穿戴传感器等领域的进步,使得创建由EnViBo平台支持的应用程序成为可能,这些应用程序既具有成本效益,又具有操作效率。
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引用次数: 3
A NS-2 simulation model for DNP3 protocol over IEEE 802.15.4 wireless protocol toward low cost simulation of Smart Grid applications 基于IEEE 802.15.4无线协议的DNP3协议NS-2仿真模型,面向智能电网应用的低成本仿真
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860433
Cassia Correia da Silva Pereira, A. Shinoda, R. de Oliveira, V. E. do Nascimento, E. T. Ferreira
Faced with an imminent restructuring of the electric power system, over the past few years many countries have invested in a new paradigm known as Smart Grid. This paradigm targets optimization and automation of electric power network, using advanced information and communication technologies. Among the main communication protocols for Smart Grids we have the DNP3 protocol, which provides secure data transmission with moderate rates. The IEEE 802.15.4 is another communication protocol also widely used in Smart Grid, especially in the so-called Home Area Network (HAN). Thus, many applications of Smart Grid depends on the interaction of these two protocols. This paper proposes modeling, in the traditional network simulator NS-2, the integration of DNP3 protocol and the IEEE 802.15.4 wireless standard for low cost simulations of Smart Grid applications.
面对即将到来的电力系统重组,在过去的几年里,许多国家都在投资一种被称为智能电网的新模式。该模式旨在利用先进的信息和通信技术,实现电网的优化和自动化。在智能电网的主要通信协议中,我们有DNP3协议,它以中等速率提供安全的数据传输。IEEE 802.15.4是智能电网中广泛使用的另一种通信协议,特别是在所谓的家庭区域网络(HAN)中。因此,智能电网的许多应用都依赖于这两个协议的相互作用。本文提出在传统网络模拟器NS-2中建模,将DNP3协议与IEEE 802.15.4无线标准相结合,实现智能电网应用的低成本仿真。
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引用次数: 1
Multiservice hybrid WDM/TDM-PON dimensioning using a heuristic method 基于启发式方法的多业务混合WDM/TDM-PON维数标注
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860401
A. Peralta-Sevilla, F. Amaya-Fernandez, R. Hincapié
With the increasing amount of information that is demanding by fixed and mobile users through the multiservice networks, the deployment of the optical segment in the access network is a critical issue, with impact in the cost and performance of the overall network. While TDM-Passive optical network (PON) is standardized, hybrid WDM/TDM-PON is now clearly seen as the next generation trend in the multiservice access. In this work we propose a dimensioning scheme for the deployment of multiservice hybrid WDM/TDM-PONs, using a heuristic method.
随着固定用户和移动用户通过多业务网络对信息的需求不断增加,接入网中光网段的部署成为一个关键问题,直接影响到整个网络的成本和性能。随着tdm -无源光网络(PON)的标准化,混合WDM/TDM-PON已成为下一代多业务接入的发展趋势。在这项工作中,我们提出了一种基于启发式方法的多业务混合WDM/ tdm - pon部署的量纲方案。
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引用次数: 4
Analysis of BPSK and DPSK modulation in optical access networks 光接入网中BPSK和DPSK调制的分析
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860425
J. Álvarez-Guerrero, F. Amaya-Fernandez, Claudia Carmona-Rodríguez
When you have to choose what type of modulation is selected for an optical system, you must also decide the type of receptor to use and the cost benefit of its use. This paper presents the evaluation of two formats (BPSK and DPSK) with coherent detector and coherent differential detector for each format respectively, in order to determine which of the two types of receptor and modulation has better performance in PON access networks has 10Gbps.
当您必须为光学系统选择何种类型的调制时,您还必须决定要使用的受体类型及其使用的成本效益。本文分别对两种格式(BPSK和DPSK)分别采用相干检测器和相干差分检测器进行评估,以确定哪种类型的受体和调制方式在10Gbps的PON接入网中具有更好的性能。
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引用次数: 0
Lower member complimentary exercise gaming app 低会员免费运动游戏应用程序
Pub Date : 2014-06-04 DOI: 10.1109/COLCOMCON.2014.6860420
Eliana Prada-Dominguez, Sergio Valdivia-Trujillo, A. Uribe-Quevedo, B. Perez-Gutierrez
The development and use of devices for monitoring physical activity is largely growing due to size reduction, affordability and gamified mechanics that are encouraging user in augment their experience. Some examples can be seen in commercial devices targeted at healthy user who wish to improve their fitness, however, such developments are also growing as technological devices that allow quantifying the preventive or corrective physical therapy with engaging virtual scenarios that provide an immersive experience. Current advances in mechanical, electronics and computer systems are allowing that enthusiasts and researchers take advantage of low cost technologies integrating solutions with devices such as, tablets, smartphones, laptops and gaming consoles. The assessment of the user with these tools provide data that allows following up the patient's evolution during the therapy from the user and health care specialist point of view complementing visual and survey-based assessments. This project proposes an application for monitoring lower member physical activity while the user performs targeted movements within a gamified system, resulting in point rewards that increase or decrease accordingly to the correct or incorrect execution of the routine. The use of game mechanics allows overcoming some of the challenges of performing exercise such as the lack of interest and subjective evaluations.
由于尺寸缩小、价格实惠和游戏化机制鼓励用户增强体验,用于监测身体活动的设备的开发和使用在很大程度上正在增长。一些例子可以在针对希望改善健康的健康用户的商业设备中看到,然而,这种发展也随着技术设备的发展而增长,这些技术设备允许通过引人入胜的虚拟场景来量化预防性或纠正性物理治疗,提供身临其境的体验。目前机械、电子和计算机系统的进步使爱好者和研究人员能够利用低成本技术将解决方案与平板电脑、智能手机、笔记本电脑和游戏机等设备集成在一起。使用这些工具对用户的评估提供了数据,允许从用户和卫生保健专家的角度跟踪患者在治疗期间的演变,补充了视觉和基于调查的评估。该项目提出了一种应用程序,当用户在游戏化系统中执行目标动作时,可以监控较低成员的身体活动,从而根据正确或不正确地执行例程而增加或减少积分奖励。游戏机制的使用可以克服一些挑战,如缺乏兴趣和主观评价。
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引用次数: 3
期刊
2014 IEEE Colombian Conference on Communications and Computing (COLCOM)
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