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2016 Al-Sadeq International Conference on Multidisciplinary in IT and Communication Science and Applications (AIC-MITCSA)最新文献

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Routing algorithm optimization for software defined network WAN 软件定义网络广域网路由算法优化
A. Al-Sadi, Ali Al-Sherbaz, J. Xue, Scott J. Turner
Software Defined Network (SDN) provides a new fine-grained interface enables the routing algorithm to have an a global view of the network throughputs, connectivity and flows at the data-path. This paper aims to provide a novel approach for dynamic routing algorithm for Software Defined Network in Wide Area Network (SDN-WAN); based on using a modified shortest-widest path algorithm with a fine-grained statistical method from the OpenFlow interface, called Shortest-Feasible OpenFlow Path (SFOP). This algorithm is designed to identify the optimal route from source to destination, providing efficient utilization of the SDN-WAN resources. It achieves this aim by considering both the flow requirements and the current state of the network. SFOP computes the optimal path which provides the feasible bandwidth with the lowest hop count (delay). That will present better stability in SDN communication, QoS, and usage of available resources. Moreover, this algorithm will be the base for an SDN controller because it extracts the widest available bandwidth from source to destination for a single path. It enables the controller to decide whether it is enough to use this simple algorithm only, or if a more complicated algorithm that provides larger bandwidth such as multiple-path algorithms is needed. Finally, a testbed has been implemented using MATLAB Simulator, Pox controller, and Mininet emulator will be discussed. The latency comparison of SFOP algorithm with three other algorithm's latencies shows that this algorithm finds better latency for an optimal path. Evidence will be shown that demonstrates that SFOP has good stability in dynamic changes of SDN-WAN.
软件定义网络(SDN)提供了一个新的细粒度接口,使路由算法能够对数据路径上的网络吞吐量、连接性和流量有一个全局视图。本文旨在为广域网(SDN-WAN)中软件定义网络的动态路由算法提供一种新的方法;基于改进的最短-最宽路径算法和来自OpenFlow接口的细粒度统计方法,称为最短-可行OpenFlow路径(SFOP)。该算法旨在识别从源到目的的最优路由,从而有效地利用SDN-WAN资源。它通过同时考虑流量需求和网络的当前状态来实现这一目标。SFOP计算提供可行带宽和最低跳数(延迟)的最优路径。这将在SDN通信、QoS和可用资源的使用方面提供更好的稳定性。此外,该算法将成为SDN控制器的基础,因为它为单个路径从源到目的地提取最宽的可用带宽。它使控制器能够决定是否只使用这个简单的算法就足够了,或者是否需要提供更大带宽的更复杂的算法,如多路径算法。最后,利用MATLAB模拟器、Pox控制器和Mininet仿真器实现了一个测试平台。将SFOP算法的时延与其他三种算法的时延进行比较,结果表明该算法能够找到更好的最优路径时延。结果表明,SFOP在SDN-WAN的动态变化中具有良好的稳定性。
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引用次数: 19
Modeling, design and analysis of an induction heating coil for brazing process using FEM 采用有限元法对钎焊过程中感应加热线圈进行建模、设计和分析
Mohammad Hameed Khazaal, Isam M. Abdulbaqi, R. Thejel
In this research a modeling, design and analysis of the most suitable dimensions and the number of turns of the induction coil required for a certain brazing process was done by using FEM. Ansoft Maxwell computer package is used for this purpose. The simulation determines the electromagnetic field distribution inside the work coil by the required excitation current and frequency. Then the optimal work coil is determined. Also, it is used to determine the required magnitude of the load resonant circuit capacitance to achieve this frequency. The simulation describes the expected behavior of the load parameters during the brazing process.
本文采用有限元法对某钎焊工艺中感应线圈的最适宜尺寸和匝数进行了建模、设计和分析。Ansoft Maxwell计算机包用于此目的。仿真通过所需的励磁电流和励磁频率确定工作线圈内的电磁场分布。然后确定最佳工作线圈。此外,它还用于确定达到该频率所需的负载谐振电路电容的大小。模拟描述了钎焊过程中载荷参数的预期行为。
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引用次数: 10
Identifying multiple sclerosis lesions in MR images using image processing techniques 利用图像处理技术识别磁共振图像中的多发性硬化症病变
S. Ali, A. Maher
Multiple sclerosis (MS) is a disease of the central nervous system (CNS), it is inflammation or decay in a myelin's substance (Demyelination). The causes of the disease is unknown yet, but it is believed to be caused by a combination of many genetic and environmental factors including: geographical distribution (i e less spread closer to the equator), and hereditary reasons. Currently, the diagnosis is depending on the clinical diagnosis of the symptoms of the disease, but the evolution in medical imaging (eg. MRI) can help in detecting the presence of lesions in the white or gray matter of the brain's tissues. In this research, many digital image processor techniques have been adopted and used to detect the lesions sites. An adaptive method is introduced to skinning the brain tissue from the skull's bones. Many edges detection methods have been suggested to segment the MRIs brain tissues (i. e first and second order differentiation methods). The second order Marr-Hildreth method is adopted because it produces thin edge and connected boundaries.
多发性硬化症(MS)是一种中枢神经系统(CNS)疾病,它是髓磷脂物质(脱髓鞘)的炎症或衰退。该病的病因尚不清楚,但据信是由许多遗传和环境因素共同引起的,包括:地理分布(即更接近赤道的传播较少)和遗传原因。目前,诊断主要依靠临床对疾病症状的诊断,但医学影像学的发展(如:核磁共振成像(MRI)可以帮助检测脑组织白质或灰质病变的存在。在本研究中,采用了许多数字图像处理技术来检测病变部位。介绍了一种自适应方法从颅骨上剥去脑组织。人们提出了许多边缘检测方法来分割mri脑组织(即一阶和二阶分化方法)。采用二阶Marr-Hildreth方法,因为它产生细边和连通边界。
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引用次数: 5
Ontology based reasoning for solving passenger train optimization problem 基于本体推理的客运列车优化问题求解
Hayder Hendi, Adeel Ahmad, M. Bouneffa, C. Fonlupt
The Logistic processes generally lead to complex physical flows dealing with various logistic elements. It has been widely observed that the quality of uncontrolled processes decline with the evolving complexity. It may make them incoherent and quasi obsoletes. Thus, the continuous optimization of logistic processes is essential for the consistent continuity of logistic activities, and henceforth, it supports their desired growth. In this paper, we propose a reasoning system that uses the conceptual domain of logistics and their optimization. The proposed approach is mainly based on the definition of logistic terminologies using ontology. We intend, that a logistic expert may use defined terms to specify a problem. These can be matched to extract the involved logistic processes. It may assist a logistics expert to identify and/or precisely specify the logistic problem. Furthermore, it may identify the logistic processes, that can be executed, to resolve the problem and consequently to resolve the inherent optimization problems. We have been experimenting the different solutions of the Passenger Transportation Problem and eventually built a software framework (based on the composition of web services), to semi-automatically assist the resolution procedure of identified optimization problems.
物流过程通常会导致处理各种物流要素的复杂物理流。人们普遍观察到,不受控制过程的质量随着复杂性的增加而下降。它可能会使它们变得不连贯和准过时。因此,物流过程的不断优化对于物流活动的持续连续性至关重要,因此,它支持其预期的增长。在本文中,我们提出了一个使用物流概念域及其优化的推理系统。该方法主要基于使用本体对逻辑术语进行定义。我们希望物流专家可以使用定义好的术语来说明问题。这些可以匹配以提取所涉及的逻辑过程。它可以帮助物流专家识别和/或精确地指定物流问题。此外,它可以识别可以执行的逻辑过程,以解决问题,从而解决固有的优化问题。我们一直在尝试客运问题的不同解决方案,并最终构建了一个软件框架(基于web服务的组合),以半自动地辅助识别优化问题的解决过程。
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引用次数: 7
Feature extraction of brain event-related potentials using cubic spline technique 基于三次样条技术的脑事件相关电位特征提取
M. A. Raheem, E. A. Hussein
This paper illustrated the use of the Cubic spline Technique (CST) to analyze the EEG signals. It is provides full description of the extraction of the knots of EEG signals and then a discussion of how to select the optimum location of the knot and reducing the knots. Also the paper discussed that the feature extracted dependent on the optimal position of the knots. The initial results show the highest degree of accuracy to distinguish between five classes.
本文阐述了利用三次样条技术(CST)分析脑电信号。详细介绍了脑电信号中脑结的提取,并对如何选择脑结的最佳位置和减少脑结进行了讨论。本文还讨论了特征的提取依赖于结点的最优位置。初步结果表明,在五个类别之间进行区分的准确率最高。
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引用次数: 0
Performance-vetted 3-D MAC processors for parallel volumetric convolution algorithm: A 256×256×20 MRI filtering case study 性能审查的3-D MAC处理器并行体积卷积算法:256×256×20 MRI过滤案例研究
S. Hasan
3-D raw data collections introduce noise and artifacts that need to be recovered from degradation by an automated filtering system before further machine analysis. Serving this goal, five performance-efficient FPGA-prototyped processors are devised to realize parallel 3-D “filtering algorithm”. These parallel processors tackle the major bottlenecks and limitations of existing multiprocessor systems in input volumetric data, processing word-length, output boundary conditions and inter-processor communications. Then, greyscale 256×256×20 MRI case study are efficiently filtered and improved by a class of common convolution operators and their developed ones respectively. Analytically, the performance of the five implemented processors are evaluated in term of area, speed, dynamic power, and throughput. All five processors efficiently perform in high real-time throughput up to (114 VPS), lowest power consumption of down to (64 mW) at maximum operating frequency. The devised processors can be embedded in mobile MRI or fMRI scanner and as a pre-filtering stage in any portable automated fMRI systems.
3-D原始数据收集会引入噪声和伪影,需要在进一步的机器分析之前通过自动过滤系统从退化中恢复。为此,设计了5个高性能fpga原型处理器,实现并行三维“滤波算法”。这些并行处理器解决了现有多处理器系统在输入体积数据、处理字长、输出边界条件和处理器间通信方面的主要瓶颈和限制。然后分别用一类常用卷积算子及其发展算子对灰度256×256×20 MRI病例研究进行有效过滤和改进。从面积、速度、动态功耗和吞吐量等方面分析了这五种处理器的性能。在最高工作频率下,所有5个处理器的实时吞吐量高达(114 VPS),功耗最低至(64 mW)。所设计的处理器可以嵌入到移动MRI或fMRI扫描仪中,并作为任何便携式自动fMRI系统的预滤波阶段。
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引用次数: 19
Design and implementation of voice encryption system using XOR based on Hénon map 基于hsamnon图的异或语音加密系统的设计与实现
Amina Mahdi, Saad S. Hreshee
With the significant development in communication systems especially in the public channels through which our information travels, there are more increasing in the channels problems. Among these problems, the information security is the important object that should be enhanced. In this paper a security model based on chaotic system has been designed to be used to encrypt voice signal. An exclusive OR operation used between the digital input signal and chaotic map which is also convert to binary bits. The simulation results show that the Cpestral Distance Measure (CD) in the proposed system is increased by (4.5778) in comparing with the time domain scrambling. Also dlpc increased by (4.336) in comparing with time domain. The key space in the first two methods ADCs is 1.96 × 1064 × range of parameters, while in the third method is 3.8426 × 10128 × (range of parameters)2.
随着通信系统的飞速发展,特别是信息传播的公共信道的发展,信道问题日益突出。在这些问题中,信息安全是应该加强的重要对象。本文设计了一种基于混沌系统的语音信号加密安全模型。在数字输入信号和混沌映射之间使用的一种异或运算,混沌映射也被转换成二进制位。仿真结果表明,与时域置乱相比,该系统的尾部距离测度(CD)提高了4.5778倍。dlpc也比时域提高了(4.336)。前两种方法adc的键空间为1.96 × 1064 ×参数范围,第三种方法adc的键空间为3.8426 × 10128 ×参数范围2。
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引用次数: 9
A hybrid neural network using ICA and CGA for skin detection in RGB images 基于ICA和CGA的RGB图像皮肤检测混合神经网络
Sara Khosravi, A. Chalechale
Skin color recognition is a useful and popular method in human-computer interaction and also in analyzing the content. In addition, the application programs for recognizing and detecting human body parts, faces, naked people, and retrieving individuals in multimedia databases all make use of skin recognition. Thus, finding a suitable method in order to segment the pixels of an image into different groups such as skin can be very important. Imperialist competitive algorithm (ICA) is a recently introduced evolutionary algorithm that showed a promising performance in some of the optimization problems. In this article, first the combined ICA-ANN, continuous genetic algorithm (CGA) and gradient descent algorithm were proposed and their performance was tested on images in RGB color spaces. In the proposed algorithms, a multilayer perceptron neural network manages the problem's constraints, and ICA and genetic algorithms search to calculate the best response than the gradient descent algorithm. The proposed skin classification algorithms perform directly on the RGB color space. The results clearly indicate that the proposed algorithm significantly improves the performance of an MLP neural network.
在人机交互和内容分析中,肤色识别是一种有用且流行的方法。此外,识别和检测人体部位、面部、裸体、检索多媒体数据库中的个人等应用程序都利用了皮肤识别技术。因此,找到一种合适的方法来将图像的像素分割成不同的组(如皮肤)是非常重要的。帝国竞争算法(imperial competitive algorithm, ICA)是近年来引入的一种进化算法,在一些优化问题上表现出了良好的性能。本文首先提出了ICA-ANN、连续遗传算法(CGA)和梯度下降算法的组合,并在RGB色彩空间的图像上测试了它们的性能。在该算法中,多层感知器神经网络对问题的约束进行管理,ICA和遗传算法进行搜索,计算出比梯度下降算法更优的响应。所提出的皮肤分类算法直接在RGB颜色空间上执行。结果表明,该算法显著提高了MLP神经网络的性能。
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引用次数: 4
Smart intensive care unit desgin based on wireless sensor network and internet of things 基于无线传感器网络和物联网的智能重症监护病房设计
Hanady S. Ahmed, Abduladheem A. Ali
A healthcare monitoring system is designed which can be used in the hospitals to monitor people who need to an intensive care. This system can be implemented on many biological signals. ECG signal is selected for put in practice in this work. Since ECG signal is measured in mille volt, it needs to be amplified. Also it is a noisy signal, so it needs to be filtered. ECG acquisition part contains AD620 Instrumentation Amplifier due to its low current noise. The network of patients nodes are require to be available in the intensive care room for measurement. A base node collects these many signals to be monitored in the nursing room. For wireless transmitreceive, nRF24L01+ wireless module is used. ATmega328 MCU in the Arduino Uno board is used in all node. LabVIEW software is programmed to display ECG signals as a waveform chart. For transferring ECG signals to the remote doctor, a Web Pager tool in the LabVIEW program is employed. So the remote doctor could be check his patients condition through internet. The system was implemented for three nodes.
设计了一种医疗监控系统,可用于医院对需要重症监护的患者进行监控。该系统可实现多种生物信号。本工作选用心电信号进行实际应用。由于心电信号是以千伏特为单位测量的,因此需要放大。此外,这是一个有噪声的信号,因此需要对其进行滤波。心电采集部分采用AD620仪表放大器,其电流噪声小。患者网络节点要求在重症监护室可用以进行测量。一个基本节点收集这些信号,以便在护理室中进行监控。无线收发采用nRF24L01+无线模块。所有节点均采用Arduino Uno板中的ATmega328单片机。编程LabVIEW软件,将心电信号显示为波形图。为了将心电信号传输给远程医生,使用了LabVIEW程序中的网页寻呼机工具。所以远程医生可以通过互联网检查他的病人的情况。该系统在三个节点上实现。
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引用次数: 15
Design of a ZigBee based WSN with channel coding for energy and temperature monitoring 基于ZigBee的无线传感器网络的能量和温度监测信道编码设计
Hikmat N. Abdullah, T. M. Salman, Haider A. H. Alobaidy
This paper has two objectives. First, to design and implement a prototype of WSN for monitoring power as well as temperature in buildings. Second, to evaluate the amount of improvement introduced to the ZigBee transceiver when channel-coding method is used. The results indicated that the use of ZigBee based WSN in electric power monitoring provides flexibility and helps in reducing power consumption. Furthermore, the simulation results show that using Convolutional Coding (CC) in ZigBee transceiver gives better performance compared to traditional ZigBee transceivers specially at CC of code rate 1/8.
本文有两个目的。首先,设计并实现了一个用于建筑物内电力和温度监测的无线传感器网络原型。其次,评估使用信道编码方法时ZigBee收发器的改进程度。结果表明,在电力监控中使用基于ZigBee的WSN提供了灵活性,有助于降低功耗。此外,仿真结果表明,在ZigBee收发器中使用卷积编码(CC)比传统的ZigBee收发器具有更好的性能,特别是在码率为1/8的情况下。
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引用次数: 3
期刊
2016 Al-Sadeq International Conference on Multidisciplinary in IT and Communication Science and Applications (AIC-MITCSA)
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