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2016 5th International Conference on Multimedia Computing and Systems (ICMCS)最新文献

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Localization and Mapping algorithms implemented on a low-power embedded architectures: A case study 在低功耗嵌入式架构上实现的定位和映射算法:案例研究
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905538
Mohamed Abouzahir, R. Latif, A. Tajer, A. Elouardi, S. Bouaziz
In this paper we evaluate the promise held by low-power embedded architectures to implement SLAM (Simultaneous Localization and Mapping) algorithms. We map and implement 4 SLAM algorithms, that find utility in very different robot applications and autonomous navigation, on an embedded architecture. Our results show that low-power embedded architectures are indeed, sometimes, attractive alternative for some SLAM algorithms. At the same time, efficient software optimizations are mandatory to allow a real-time execution.
在本文中,我们评估了低功耗嵌入式架构实现SLAM(同步定位和映射)算法的前景。我们在嵌入式架构上绘制并实现了4种SLAM算法,这些算法在非常不同的机器人应用和自主导航中都很有用。我们的研究结果表明,低功耗嵌入式架构有时确实是一些SLAM算法的有吸引力的替代方案。同时,为了实现实时执行,必须进行有效的软件优化。
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引用次数: 2
Traditional, Web-based or Internet-enabled ERP systems adoption for SMEs in Developing Countries 发展中国家中小企业采用传统的、基于网络的或基于互联网的ERP系统
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905659
AmineArrahmane Achargui, A. Zaouia
SMEs are the growth engine of a developing country's economy. It is actively contributing to GDP and employment. In consequence, SMEs financing support, ICT adoption promotion and SME's favorable evolution environment creation by policy makers, help reduce the digital divide in this era of the knowledge economy. High penetration and lower costs of Internet connectivity, Web technologies standardization, more ERP systems offerings targeted to SMEs, commodity hardware and Free/Libre & Open Source Software (FLOSS) large adoption. Makes Web-based and Internet-enabled ERP systems to be taken into consideration by SMEs, international aid agencies and local policy makers, to increase the productivity of SMEs and ease their daily living and evolution.
中小企业是发展中国家经济增长的引擎。积极为国内生产总值和就业做出贡献。因此,政策制定者对中小企业的融资支持、促进信息通信技术的采用以及为中小企业创造有利的发展环境,有助于缩小知识经济时代的数字鸿沟。互联网连接的高渗透率和低成本,网络技术标准化,更多针对中小企业的ERP系统产品,商品硬件和免费/自由和开源软件(FLOSS)的广泛采用。促使中小企业、国际援助机构和地方决策者考虑基于网络和互联网的ERP系统,以提高中小企业的生产力,并使其日常生活和发展更加便利。
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引用次数: 3
Wavelet Networks for MAI cancellation in MC-DS/CDMA MC-DS/CDMA中MAI消去的小波网络
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905519
Taoufiq Ait Benrami, Y. Jabrane, J. Antari, R. Iqdour
The Weighted Despreading Sequences are deployed for an optimal use in Multiple Access Interference annulation caused by users multiple access to the channel. Our paper's aim is to develop a simple method based on Wavelet Networks to calculate these WDS MC-DS/CDMA system. As illustrated by simulations, the proposed technique is an ideal alternative for MAI cancellation with BPSK modulation in AWGN channel.
为了在用户对信道进行多址访问而产生的多址干扰中得到最佳利用,部署了加权扩频序列。本文的目的是开发一种基于小波网络的简单方法来计算WDS MC-DS/CDMA系统。仿真结果表明,该技术是AWGN信道中采用BPSK调制的MAI抵消的理想替代方案。
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引用次数: 4
A performance evaluation of broadcasting algorithms in Wireless Nanosensor Networks 无线纳米传感器网络中广播算法的性能评估
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905624
Ayoub Oukhatar, M. Bakhouya, D. E. Ouadghiri, K. Zine-dine
With rapid advances in nanotechnologies, Wireless Nanosensor Networks (WNSNs) have been emerged as a typical subclass of WSNs but at nano-scale. WNSN is a new communication fabric that allows nanonodes to connect to each other using new mechanisms such as molecular (or chemical) and electromagnetic. Unlike traditional WSNs, nanonodes are tiny with limited resources (e.g., computation, memory and energy) and therefore, are not able to communicate with the destination node using a single-hop scenario. The flooding mechanism, in which each node rebroadcasts the message once, was adopted for broadcasting in electromagnetic-based WNSNs. While the flooding mechanism is very simple, it is not efficient since most of the nanonodes are expected to rebroadcast a message at the same time, thus collisions are likely to occur. Furthermore, the excess number of rebroadcasts increases resources utilization that affects the network performance and increases energy consumption. In this paper, we investigate the flooding algorithm in the context of WNSNs and compare it with counter-based and probabilistic-based broadcasting mechanisms that are proposed for MANETs.
随着纳米技术的飞速发展,无线纳米传感器网络(Wireless Nanosensor network, WNSNs)已成为无线传感器网络的一个典型的亚类,只不过是在纳米尺度上。WNSN是一种新的通信结构,它允许纳米节点使用分子(或化学)和电磁等新机制相互连接。与传统的wsn不同,纳米节点很小,资源有限(例如,计算、内存和能量),因此不能使用单跳场景与目标节点通信。在基于电磁的无线无线网络中,广播采用了每个节点重广播一次的泛洪机制。虽然泛洪机制非常简单,但效率并不高,因为大多数纳米节点都需要同时转播信息,因此很可能发生碰撞。此外,过多的重播次数会增加资源利用率,从而影响网络性能并增加能源消耗。在本文中,我们研究了wnsn背景下的泛洪算法,并将其与针对manet提出的基于计数器和基于概率的广播机制进行了比较。
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引用次数: 5
Ensuring video QoE using HTTP Adaptive Streaming: Issues and challenges 使用HTTP自适应流确保视频QoE:问题和挑战
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905586
Hajer Gahbiche Msakni, H. Youssef
HTTP adaptive streaming is used by a numerous video streaming services in the internet. It facilitates video streaming through heterogeneous network, without the need of a dictated streaming infrastructure. The benefit of HTTP Adaptive Streaming, compared to classical HTTP, is the reduction of the interruption, i.e. stalling event, and the use of bandwidth. This technology tries to adapt the video to the variation of the network condition. It take into account different information such as end user device capacity, available bandwidth, video quality level, current network conditions, and current server load. It enable, also, the service provide to improve resource utilization and the perceived video quality, i.e. Quality of Experience. This paper introduces the reader this important concept. It presents also a newest classification of different HAS's influencing factors. The different issues and challenges related to HTTP Adaptive Streaming are also discussed in this paper.
HTTP自适应流被互联网上的许多视频流服务所使用。它促进了通过异构网络的视频流,而不需要指定的流基础设施。与经典HTTP相比,HTTP自适应流的好处是减少了中断(即停止事件)和带宽的使用。该技术试图使视频适应网络条件的变化。它考虑了不同的信息,如终端用户设备容量、可用带宽、视频质量水平、当前网络条件和当前服务器负载。它还使服务提供能够提高资源利用率和感知视频质量,即体验质量。本文向读者介绍了这一重要概念。并对不同HAS的影响因素进行了最新的分类。本文还讨论了与HTTP自适应流相关的各种问题和挑战。
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引用次数: 1
Performance evaluation of software-defined networking architectures using Network Calculus 使用网络演算的软件定义网络架构的性能评估
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905547
S. Zerrik, D. E. Ouadghiri, M. Bakhouya
Software-defined networking (SDN) are the rising technology in near future to build programmable networks as a way to simplify the evolution of networks. It is a new networking paradigm with the main aim is to decouple forwarding hardware from control decisions. Several SDN architectures have been recently proposed and evaluated. Performance evaluation of these architectures, to study their scalability, was mainly performed using either simulations or experiments. Generally, experimenting with a real system is ex-pensive or impossible. Simulations are extremely slow especially for large systems and provide little insight on how different design parameters affect the actual performance. Therefore, modeling is more effective for evaluating and optimizing SDN architectures prior their implementation. In this paper, we used Network Calculus to study two typical SDN control plane structures, including centralized, hierarchical with 2level. The model describes the behavior of switches and controllers and allows extracting some performance metrics, mainly the delay and backlog.
软件定义网络(SDN)是在不久的将来建立可编程网络的新兴技术,是简化网络演进的一种方式。它是一种新的网络模式,其主要目的是将转发硬件与控制决策解耦。最近提出并评估了几种SDN架构。这些体系结构的性能评估主要是通过模拟或实验来进行的,以研究它们的可扩展性。一般来说,用一个真实的系统进行实验是昂贵的,或者是不可能的。模拟非常缓慢,特别是对于大型系统,并且几乎无法了解不同的设计参数如何影响实际性能。因此,建模对于在SDN架构实现之前评估和优化SDN架构更为有效。本文运用网络演算的方法研究了两种典型的SDN控制平面结构,即集中式控制平面、分层控制平面和二层控制平面。该模型描述了开关和控制器的行为,并允许提取一些性能指标,主要是延迟和积压。
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引用次数: 1
Miniaturized meander antenna using low cost paper substrate 采用低成本纸基板的微型化弯曲天线
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905553
Y. Mouzouna, H. Nasraoui, A. Mouhsen, J. Aoufi, G. Chababi
In this paper we use the paper as a substrate for the design of UHF RFID Tag. The paper use is intended to reduce the cost of manufacturing tags and also preserve the environment because the paper is a ubiquitous material with low cost and friend of the environment which will facilitate deployment of the RFID system at large scale. The design is a meander antenna, which will reduce the size of the design, which can be used on small object, mounted on a Kodak photo paper substrate.
本文以该纸为基片,设计了超高频RFID标签。纸张的使用是为了降低制造标签的成本,也保护环境,因为纸张是一种普遍存在的材料,成本低,对环境无害,这将有助于大规模部署RFID系统。该设计是弯曲天线,这将减小设计的尺寸,它可以用于小物体上,安装在柯达相纸基板上。
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引用次数: 2
Verification and validation of PDDL descriptions using Event-B formal method 使用Event-B形式化方法对PDDL描述进行验证
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905631
F. Fourati, Mohamed Tahar Bhiri, R. Robbana
The automatic planning community of Artificial Intelligence AI have developed a de facto standard language for PDDL, producing formal modeling of Planning problems. Equally it have conceived and produced tools called planners to automatically generate plans for PDDL descriptions. But the verification and validation of PDDL descriptions is little treated topic. In this paper, we shall treat this issue through the Event-B formal method. We illustrate the contribution of the static analysis tools associated with Event-B (provers, model checker, animator, and simulator) for verification and validation of PDDL descriptions.
人工智能的自动规划社区已经为PDDL开发了一种事实上的标准语言,生成了规划问题的正式建模。同样,它已经构思并产生了称为计划器的工具,用于自动生成PDDL描述的计划。但是PDDL描述的验证和验证是一个很少被讨论的话题。在本文中,我们将通过Event-B形式化方法来处理这个问题。我们说明了与Event-B(证明器、模型检查器、动画器和模拟器)相关的静态分析工具对PDDL描述的验证和确认的贡献。
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引用次数: 6
Measuring documents similarity in large corpus using MapReduce algorithm 使用MapReduce算法测量大型语料库中的文档相似度
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905587
Marouane Birjali, A. B. Hssane, M. Erritali
Document similarity measures between documents and queries has been extensively studied in information retrieval. Measuring the similarity of documents are crucial components of many text-analysis tasks, including information retrieval, document classification, and document clustering. However, there are a growing number of tasks that require computing the similarity between two very short segments of text. There exist a large number of composed documents in a large amount of corpus. Most of them are required to compute the similarity for validation. In this paper, we propose our approach of measuring similarity between documents in large amount of corpus. For evaluation, we compare the proposed approach with other approaches previously presented by using our new MapReduce algorithm. Simulation results, on Hadoop framework, show that our new MapReduce algorithm outperforms the classical ones in term of running time performance and increases the value of the similarity.
文档和查询之间的文档相似度度量在信息检索中得到了广泛的研究。度量文档的相似性是许多文本分析任务的关键组成部分,包括信息检索、文档分类和文档聚类。然而,越来越多的任务需要计算两个非常短的文本片段之间的相似性。在大量的语料库中存在着大量的组合文档。其中大多数都需要计算验证的相似度。在本文中,我们提出了一种测量大量语料库中文档之间相似度的方法。为了评估,我们将所提出的方法与之前使用我们的新MapReduce算法提出的其他方法进行了比较。在Hadoop框架上的仿真结果表明,新的MapReduce算法在运行时间性能上优于经典算法,并提高了相似度值。
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引用次数: 5
Design of substrate integrated waveguide cavity bandpass filters 基板集成波导腔带通滤波器的设计
Pub Date : 2016-09-01 DOI: 10.1109/ICMCS.2016.7905668
Ahmed Rhbanou, M. Sabbane, S. Bri
The paper is presenting two bandpass filters based on the SIW technique design operating in two frequency bands: C and X. The first filter used in C-band has a fractional bandwidth of 3.8 % centered at 6 GHz and insertion loss of 0.9 dB. The second in the frequency band 8–12.5 (X-band) has a fractional bandwidth 2.7 % centered at the midband frequency 9.27 GHz with insertion loss of 0.84 dB and an out-of-band rejection level of 70 dB.
本文提出了两种基于SIW技术的带通滤波器设计,工作在两个频段:C和x。第一个用于C波段的滤波器的分数带宽为3.8%,以6 GHz为中心,插入损耗为0.9 dB。第二个在频段8-12.5 (x波段),以中频9.27 GHz为中心的分数带宽为2.7%,插入损耗为0.84 dB,带外抑制电平为70 dB。
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引用次数: 3
期刊
2016 5th International Conference on Multimedia Computing and Systems (ICMCS)
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