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An integrated fusion protocol for congregating sensor data in wireless sensor network 一种无线传感器网络中传感器数据聚合的集成融合协议
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958982
Buddha Singh, Adwitiya Sinha, Priti Narwal
Effective fusion of data, accumulated from the sensors, can be regarded as a direct proportional factor to the successful deployment of a wireless sensor network. Two important fusion properties in support of the concerned area are: Correlation and Aggregation. This paper proposes an energy efficient data fusion protocol, which apart from employing power saving aggregation schemes, also implements network throughput enhancing routines via correlation of sensor signals. The protocol operates in dual mode to provide a perfect balance between the workload distributions among the sensor nodes during several parameter calculations. The notion of Connected Correlation Dominating Set is used to find out the clusters of active alive sensors, which actually involves in the transmission of data. On the basis of an Energy Model, the cluster heads are determined. To keep track of the error parameters, Least Squares (LS) estimation method along with the Linear Predictive Model is taken into consideration. Moreover, we simulate our algorithm using the Network Simulator (NS), ns-2.34.
传感器积累的数据的有效融合可以看作是无线传感器网络成功部署的一个正比因素。支持相关领域的两个重要融合特性是:相关性和聚合性。本文提出了一种高效节能的数据融合协议,该协议除了采用节能聚合方案外,还通过传感器信号的相关实现了网络吞吐量的增强例程。该协议在双模式下运行,以便在多个参数计算期间在传感器节点之间的工作负载分布之间提供完美的平衡。利用连通相关支配集的概念来找出主动活传感器的簇,这实际上涉及到数据的传输。在能量模型的基础上,确定簇头。为了跟踪误差参数,考虑了最小二乘估计方法和线性预测模型。此外,我们使用网络模拟器(NS) NS -2.34来模拟我们的算法。
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引用次数: 2
PESYMO: A pervasive system for mobile life long learners PESYMO:一个面向移动终身学习者的普及系统
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958915
Wiem Taktak, J. Akaichi
In this paper, we present PESYMO (PErvasive SYstem for MObile lifelong learning) a solution for Mobile Professionals (MP) that motivates workers to improve their skills through lifelong learning. In fact, they have to move from one place to another to accomplish their sduties. This makes very complex the mapping of their timetable to Lifelong Learning Centers (LLCs) learning schedules. Consequently, they logically fail to get their diploma. PESYMO is performed in 4 steps: LLCs localization, LLCs courses matching with MP curriculum, LLCs courses schedules matching with MP free time, and MP subscription according to LLCs vacancy. Moreover a database is designed to support MP and LLCs activities in order to generate decisions guiding to the enhancement of this mobile learning system.
在本文中,我们提出了PESYMO(移动终身学习普及系统)的解决方案,移动专业人员(MP),激励工人通过终身学习提高他们的技能。事实上,他们必须从一个地方移动到另一个地方来完成他们的职责。这使得将他们的时间表映射到终身学习中心(llc)的学习时间表变得非常复杂。因此,他们理所当然地得不到文凭。PESYMO分为4个步骤:llc本地化、llc课程与MP课程匹配、llc课程时间表与MP空闲时间匹配、根据llc空缺订阅MP。此外,还设计了一个数据库,以支持MP和有限责任公司的活动,从而产生指导加强这一移动学习系统的决策。
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引用次数: 0
The aspects of choosing open source versus closed source 选择开源与闭源的方面
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958992
A. Khanjani, R. Sulaiman
Closed source software, is a type of software that is licensed under the exclusive legal right of its owner. It is also purchasable by users by paying amount of money. Open Source Software (OSS) is software available with its source code under an open source license to study and modify the code. Open Source Software Development (OSSD) is the process to develop OSS. Many industries try using OSSD as they see the advantages of open source compared to closed source software development. This research presents the reasons of recently using OSSD model rather than traditional closed source approach. The result is to show the differences between closed source and open source process and how open source can effect on quality through its particular features. It also identifies and addresses the challenges and benefits faced by the users against traditional closed source model.
闭源软件,是一种在其所有者的专有法律权利下获得许可的软件。用户也可以通过支付一定数量的钱来购买。开源软件(OSS)是一种软件,它的源代码是在开源许可下提供的,可以研究和修改代码。开源软件开发(Open Source Software Development, OSSD)是开发OSS的过程。许多行业都在尝试使用OSSD,因为他们看到了开源软件开发相对于闭源软件开发的优势。本研究提出了最近使用OSSD模型而不是传统闭源方法的原因。结果是展示了闭源和开源过程之间的差异,以及开源如何通过其特定的特性对质量产生影响。它还确定并解决了用户面对传统闭源模型的挑战和好处。
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引用次数: 17
Cooperative architecture for QoS management in wireless 4G networks 无线4G网络QoS管理的协同架构
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958977
Nejd Ben Hamza, S. Rekhis, N. Boudriga
The dynamics of the wireless links represent serious problems in guaranteeing quality of services (QoS). Combined with mobility, additional problems, arise like handoff delays and resource management, arise. In this work, we consider an interworking architecture composed of IEEE 802.11 and IEEE 802.16 access networks. We define a new set of Hybrid Units in charge of QoS management and handoff decisions, allowing to map quality of service classes, reduce the handoff blocking probability, and guarantee a fair distribution of users among the different access networks if they cover the same network area. The simulation results validate the efficiency of our approach.
无线链路的动态性对保证服务质量(QoS)提出了严重的问题。结合移动性,就会出现其他问题,比如切换延迟和资源管理。在这项工作中,我们考虑了一个由IEEE 802.11和IEEE 802.16接入网组成的互联架构。我们定义了一组新的负责QoS管理和切换决策的混合单元,允许映射服务类别的质量,降低切换阻塞概率,并保证在覆盖同一网络区域的不同接入网络之间公平分配用户。仿真结果验证了该方法的有效性。
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引用次数: 5
Current-controlled current-mode multiphase oscillator using CCCDTAs 采用cccdta的电流控制电流模式多相振荡器
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958908
M. Kumngern
This paper presents a new current-controlled current-mode multiphase sinusoidal oscillator using current controlled current differencing transconductance amplifiers (CCCDTAs). The proposed oscillator circuit, which employs one CCCDTA, one grounded capacitor and one MOS resistor for each phase, can generate arbitrary n output current equal-amplitude signals that are equally spaced in phase (n being even or odd), all at high output impedance terminals. The frequency of oscillation and the condition of oscillation can be controlled electronically and independently through adjusting the bias currents of the CCCDTAs. The proposed multiphase oscillator is highly suitable for integrated circuit implementation. The theoretical results were verified by PSPICE simulation.
本文提出了一种利用电流控制电流差分跨导放大器(CCCDTAs)实现的新型电流控制电流型多相正弦振荡器。所提出的振荡器电路,每个相位采用一个CCCDTA,一个接地电容和一个MOS电阻,可以产生任意n个输出电流等幅信号,这些信号的相位间隔等(n为偶数或奇数),都在高输出阻抗端子上。通过调节cccdta的偏置电流,可以实现对振荡频率和振荡条件的电子独立控制。所提出的多相振荡器非常适合集成电路实现。通过PSPICE仿真验证了理论结果。
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引用次数: 5
The parallel AGE variances method for temperature prediction on laser glass interaction 激光玻璃相互作用温度预测的平行AGE方差法
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958927
L. M. Yusuf, N. Alias, Mohammed Shariff Bashir Ghouse, S. Shamsuddin, M. Othman
This paper describes the formula of three-dimensional parabolic equations for cylindrical coordinate glass that is used for mathematical simulation in simulating the temperature behavior of the laser glass cutting. There are three methods have been used for the simulation purposes which is the Alternating Group Explicit (AGE) which compromises two variances that is Brian and Douglas variant, and Gauss Seidel Red Black method. The simulation for these three methods is conducted in a parallel computing environment in order to speed up the calculation process and to achieve an accurate and convergence results. From the simulation, the results will be compared by conducting parallel performance measurement, which include execution time, speedup, efficiency, effectiveness and temporal performance.
本文介绍了圆柱坐标玻璃的三维抛物方程公式,用于激光玻璃切割温度行为的数学模拟。有三种方法用于模拟目的,即交替组显式(AGE)折衷两种方差,即布莱恩和道格拉斯变体,以及高斯塞德尔红黑方法。为了加快计算速度,得到准确、收敛的结果,在并行计算环境下对这三种方法进行了仿真。仿真结果将通过并行性能测量进行比较,包括执行时间、加速、效率、有效性和时间性能。
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引用次数: 4
Facial emotion detection considering partial occlusion of face using Bayesian network 考虑人脸局部遮挡的贝叶斯网络面部情绪检测
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958891
Yoshihiro Miyakoshi, Shohei Kato
Recently, robots that communicate with human have attracted much attention in the research field of robotics. In communication between human, almost all human recognize the subtleties of emotion in each other's facial expressions, voices, and motions. Robots can communicate more smoothly with human as they detect human emotions and respond with appropriate behaviors. Usually, almost all human express their own emotions with their facial expressions. In this paper, we propose an emotion detection system with facial features using a Bayesian network. In actual communication, it is possible that some parts of the face will be occluded by adornments such as glasses or a hat. In previous studies on facial recognition, these studies have been had the process to fill in the gaps of occluded features after capturing facial features from each image. However, not all occluded features can always be filled in the gaps accurately. Therefore, it is difficult for robots to detect emotions accurately in real-time communication. For this reason, we propose an emotion detection system taking into consideration partial occlusion of the face using causal relations between facial features. Bayesian network classifiers infer from the dependencies among the target attribute and explanatory variables. This characteristic of Bayesian network makes our proposed system can detect emotions without filling in the gaps of occluded features. In the experiments, the proposed system succeeded in detecting emotions with high recognition rates even though some facial features were occluded.
近年来,与人交流的机器人成为机器人研究领域的热点。在人与人之间的交流中,几乎所有的人都能从彼此的面部表情、声音和动作中识别出微妙的情感。机器人可以感知人类的情绪,并做出适当的反应,因此可以更顺利地与人类交流。通常,几乎所有的人类都用面部表情来表达自己的情绪。本文提出了一种基于贝叶斯网络的面部特征情感检测系统。在实际交流中,面部的某些部分可能会被眼镜或帽子等装饰品遮挡。在以往的人脸识别研究中,这些研究都是从每张图像中捕获人脸特征后,对被遮挡特征的空白进行填充的过程。然而,并不是所有被遮挡的特征都能准确地填充在空白中。因此,机器人在实时通信中很难准确地检测到情绪。因此,我们提出了一种利用面部特征之间的因果关系考虑面部局部遮挡的情绪检测系统。贝叶斯网络分类器从目标属性和解释变量之间的依赖关系进行推断。贝叶斯网络的这一特性使得我们提出的系统可以在不填补被遮挡特征空白的情况下检测情绪。在实验中,即使某些面部特征被遮挡,该系统也能以较高的识别率检测出情绪。
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引用次数: 33
A novel three phase energy meter model with wireless data reading and online billing solution 一种新颖的三相电能表模型,具有无线数据读取和在线计费解决方案
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958887
T. Maity, P. S. Das
Measurement of data electronically leads a combination of benefits that go well beyond the traditional rotor-plate energy meter design. In this paper with the help of an energy chip, an improved novel three phase energy metering solution is developed. Automating the progression of measurement through digital wireless communication technique is done to get high accuracy, smooth control and better reliability. The developed energy meter calculates the total average active power mainly for industrial and commercial applications. The hardware circuit accepts three phase voltages and currents as its inputs and provides the output in the form of serial interfaced data equivalent to the average real power. This serial data is fed to a remote personal computer through the wireless ZigBee network that represents the concept of distant wireless metering, practically involving no manpower. The paper also presents a software solution developed for total electrical energy billing and data management system.
电子测量数据带来的好处远远超出了传统的转子板电能表设计。本文借助一种能量芯片,开发了一种改进的新型三相能量计量方案。通过数字无线通信技术实现了测量过程的自动化,达到了测量精度高、控制平稳、可靠性高的目的。所开发的电能表主要用于工业和商业应用中计算总平均有功功率。硬件电路接受三相电压和电流作为其输入,并以相当于平均实际功率的串行接口数据的形式提供输出。该串行数据通过代表远程无线计量概念的无线ZigBee网络馈送到远程个人计算机,实际上不涉及人力。本文还介绍了一种用于总电能计费和数据管理系统的软件解决方案。
{"title":"A novel three phase energy meter model with wireless data reading and online billing solution","authors":"T. Maity, P. S. Das","doi":"10.1109/ISCI.2011.5958887","DOIUrl":"https://doi.org/10.1109/ISCI.2011.5958887","url":null,"abstract":"Measurement of data electronically leads a combination of benefits that go well beyond the traditional rotor-plate energy meter design. In this paper with the help of an energy chip, an improved novel three phase energy metering solution is developed. Automating the progression of measurement through digital wireless communication technique is done to get high accuracy, smooth control and better reliability. The developed energy meter calculates the total average active power mainly for industrial and commercial applications. The hardware circuit accepts three phase voltages and currents as its inputs and provides the output in the form of serial interfaced data equivalent to the average real power. This serial data is fed to a remote personal computer through the wireless ZigBee network that represents the concept of distant wireless metering, practically involving no manpower. The paper also presents a software solution developed for total electrical energy billing and data management system.","PeriodicalId":166647,"journal":{"name":"2011 IEEE Symposium on Computers & Informatics","volume":"264 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126402543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
The application of FSP models in Software Performance Engineering: A multi-threaded case-study FSP模型在软件性能工程中的应用:一个多线程案例研究
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958961
O. Bushehrian, Hassan Ghaedi
Detecting and fixing the performance obstacles of software during the early stages of software development process is the main objective of Software Performance Engineering(SPE) activities. SPE is mostly depended on the formal modeling languages due to the fact that these languages enable us to simulate the software and analyze the performance parameters. Various modeling languages such as queuing networks(QN), layered queues (LQ), Petri Nets and Stochastic Process Algebras are suggested for modeling distributed systems. There are several issues that are needed to be addressed when translating software architectural models to a target formal model, which are synchronous and asynchronous invocations, active and reactive objects, multi-threading, object deployment over computational nodes and process (thread) scheduling for resource utilization. In this paper, first we present a one-to-one translation rule set that is used to translate software Sequence and Deployment Diagrams into their corresponding FSP(Finite State Process) model considering the above mentioned issues. The resulting model then is analyzed through discrete event simulation tools such as LTSA from the performance perspective. Second, we have applied our translation rule set on a real world multi-threaded web application to obtain its FSP model. The simulation results are also presented.
在软件开发过程的早期阶段检测和修复软件的性能障碍是软件性能工程(SPE)活动的主要目标。SPE主要依赖于形式化建模语言,因为这些语言使我们能够模拟软件并分析性能参数。各种建模语言,如排队网络(QN),分层队列(LQ), Petri网和随机过程代数被建议用于建模分布式系统。在将软件体系结构模型转换为目标正式模型时,需要解决几个问题,包括同步和异步调用、活动和响应对象、多线程、计算节点上的对象部署以及用于资源利用的进程(线程)调度。在本文中,我们首先提出了一个一对一的转换规则集,用于将软件序列图和部署图转换为相应的FSP(有限状态过程)模型。然后通过离散事件仿真工具(如LTSA)从性能角度分析生成的模型。其次,我们将我们的翻译规则集应用于一个真实的多线程web应用程序,以获得其FSP模型。最后给出了仿真结果。
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引用次数: 4
InteractiveDisplay: A computer-vision-based solution to retrofit existing flat displays into interactive surfaces InteractiveDisplay:一种基于计算机视觉的解决方案,将现有的平面显示器改造成交互式表面
Pub Date : 2011-03-20 DOI: 10.1109/ISCI.2011.5958988
L. L. Priyadarshana, Kulari De Silva Lokuge
This paper outlines InteractiveDisplay, a novel and cost effective solution to create vision-based interactive surface systems by retrofitting existing regular displays. The proposed solution uses a regular off-the-shelf web camera as the main input device, and the raw image data captured by the web camera are processed using several image processing algorithms such as, background subtraction and skin color detection, to identify foreground objects. InteractiveDisplay's configuration addresses complexity and cost related issues with currently available computer-vision-based interactive surfaces. The proposed system provides an opening for more people to experience a new level of interactions with computing systems using the existing and commonly available technologies. The presented system is capable of responding in real-time for user interactions and provides a cost-effective configuration that requires minimum engineering efforts to set-up.
本文概述了InteractiveDisplay,这是一种新颖且经济有效的解决方案,通过改造现有的常规显示器来创建基于视觉的交互式表面系统。本方案采用普通的现成网络摄像头作为主要输入设备,对网络摄像头采集的原始图像数据进行背景减法、肤色检测等多种图像处理算法处理,识别前景目标。InteractiveDisplay的配置解决了当前可用的基于计算机视觉的交互式表面的复杂性和成本相关问题。所提出的系统为更多人提供了一个机会,使他们能够使用现有的和普遍可用的技术,体验与计算系统交互的新层次。所提出的系统能够实时响应用户交互,并提供一个成本效益的配置,需要最少的工程努力来设置。
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引用次数: 0
期刊
2011 IEEE Symposium on Computers & Informatics
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