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ICIMU 2011 : Proceedings of the 5th international Conference on Information Technology & Multimedia最新文献

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A remote patient monitoring system in an ad hoc sensor network environment 一种自组织传感器网络环境下的远程病人监护系统
N. S. Mukunda, Thrivikrama, Vinay Padmanabhi, A. Srinivas, Ajay Gupta
Information collection and monitoring tools are one of the most important applications of sensor networks. Wearable sensor based patient health monitoring is prevalent in healthcare industry. These monitoring systems are usually confined to hospital buildings or a comparable area. In this paper we present a solution that aims to expand patient monitoring over a wider area such as a remote village or town. The force behind this is that remote places usually lack proper health care facilities and good doctors to treat various diseases. The patients could be scattered in various places including hilly terrain, where doctors' frequent availability is not practicable. This issue has been addressed in this paper by the design and implementation of an Adhoc sensor network based solution The proposed technique is intended specifically for remote rural areas where the infrastructural facilities such as the internet, GSM/GPRS etc are not available. The patients can be monitored for various health parameters like pulse rate, level of insulin, blood pressure et al.
信息采集和监测工具是传感器网络最重要的应用之一。基于可穿戴传感器的患者健康监测在医疗保健行业非常流行。这些监测系统通常局限于医院建筑物或类似区域。在本文中,我们提出了一种解决方案,旨在将患者监测扩展到更广泛的区域,如偏远的村庄或城镇。这背后的原因是,偏远地区通常缺乏适当的卫生保健设施和好医生来治疗各种疾病。病人可能分散在不同的地方,包括丘陵地带,在那里医生的频繁可用是不现实的。本文通过设计和实现一种基于Adhoc传感器网络的解决方案来解决这个问题。所提出的技术专门用于没有互联网、GSM/GPRS等基础设施的偏远农村地区。可以监测患者的各种健康参数,如脉搏率、胰岛素水平、血压等。
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引用次数: 7
An Augmented Reality's framework for mobile 移动设备的增强现实框架
W. W. Oui, E. G. W. Ng, Rehman Ullah Khan
This paper describes a framework for the development of Augmented Reality's application in Mobile devices. This framework was developed based on open-source computer vision library (OpenCV) to do real time tracking where marker is detect and track in real environment and 3D graphics API for embedded devices(OpenGL ES) to render virtual object into real world scene. The application developed run self-contained on mobile devices and it successfully run on a lower-end mobile phone. The framework can be easily deployed on mobile platform that support both OpenCV and OpenGL ES library.
本文描述了一个增强现实在移动设备上应用的开发框架。该框架基于开源计算机视觉库(OpenCV)进行实时跟踪,在真实环境中对标记进行检测和跟踪,并基于嵌入式设备的3D图形API (OpenGL ES)将虚拟物体渲染到真实场景中。开发的应用程序在移动设备上独立运行,并成功运行在低端手机上。该框架可以轻松部署在支持OpenCV和OpenGL ES库的移动平台上。
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引用次数: 7
Classification of materials by modal analysis and neural network 基于模态分析和神经网络的材料分类
M. H. M. A. Tan, F. Mat, I. M. A. Rahim, N. T. Lile, S. Yaacob
Modal analysis is the study of dynamic characteristic of structures induced by vibrational excitation. Under modal excitation, three important parameters namely natural frequency, damping ratio and mode shape associated with the structural properties are acquired. These modal parameters are used as the extracted features for classification on artificial neural network. This paper presents an experimental investigation of two different kinds of materials by implementation of modal analysis along with the integration of neural network for materials classification. The experimental modal analysis is done using the LMS instruments and software where Fast Fourier Transform (FFT) and Frequency Response Function (FRF) are used to extract the mentioned modal parameters. The extracted parameters are used as the classification process feature of the neural network. Multi-layer Perceptron (MLP) is used as the mapping model of the network. The technique adopted for the system is the Levenberg-Marquadt (LM) and Scaled Conjugate Gradient (SCG) Backpropagation technique.
模态分析是研究结构在振动激励下的动力特性。在模态激励下,得到了与结构性能相关的固有频率、阻尼比和振型三个重要参数。这些模态参数作为提取的特征在人工神经网络上进行分类。本文对两种不同类型的材料进行了模态分析,并结合神经网络进行了材料分类。利用LMS仪器和软件进行实验模态分析,利用快速傅里叶变换(FFT)和频响函数(FRF)提取上述模态参数。将提取的参数作为神经网络的分类过程特征。采用多层感知器(MLP)作为网络的映射模型。该系统采用Levenberg-Marquadt (LM)和缩放共轭梯度(SCG)反向传播技术。
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引用次数: 3
Extended empirical evaluation of a visual environment for analyzing the structure of relational databases 分析关系数据库结构的可视化环境的扩展经验评价
H. Ramadhan
We present a visual framework for understanding the structure of a relational database. The framework provides coordinated visualization of the database structure and of various implicit relationships among its relations. The main objective of this paper is to report an extended version of the experimental evaluation which aimed at complimenting the previously reported pilot evaluation on the usefulness of the visual framework in understanding various associations among relations. Results obtained from the extended evaluation reported in this paper also seemed to suggest that the visual features provided by the prototype system offer a high level of help to users in instantly recognizing indirect associations, such as path views, among relations.
我们提出了一个理解关系数据库结构的可视化框架。该框架提供了数据库结构及其关系之间各种隐式关系的协调可视化。本文的主要目的是报告实验评估的扩展版本,旨在补充先前报道的关于视觉框架在理解关系之间各种关联方面有用性的试点评估。从本文报告的扩展评估中获得的结果似乎也表明,原型系统提供的视觉特征为用户即时识别间接关联(如关系中的路径视图)提供了很高的帮助。
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引用次数: 0
A multi-objective neuro-evolutionary optimization approach to intelligent game AI synthesis 智能游戏人工智能合成的多目标神经进化优化方法
Kar Bin Tan, J. Teo, P. Anthony
Numerous traditional board games such as Backgammon, Chess, Tic-Tac-Toc, Othello, Checkers, and Go have been used as research test-beds for assessing the performance of myriad computational intelligence systems including evolutionary algorithms (EAs) and artificial neural networks (ANNs). Approaches included building intelligent search algorithms to find the required solutions in such board games by searching through the solutions space stochastically. Recently, one particular type of search algorithm has been receiving a lot of interest in solving such kinds of game problems, which is the multi-objective evolutionary algorithms (MOEAs). Unlike single-objective optimization based search algorithms, MOEAs are able to find a set of non-dominated solutions which trades-off among all the conflicting objectives. In this study, the utilization of a multi-objective approach in evolving ANNs for Go game is investigated. A simple three layered feed-forward ANN is used and evolved with Pareto Archived Evolution Strategies (PAES) for computer players to learn and play the small board Go games.
许多传统的棋盘游戏,如双陆棋、国际象棋、三联体棋、奥赛罗、跳棋和围棋,已被用作评估无数计算智能系统(包括进化算法(ea)和人工神经网络(ann))性能的研究测试平台。方法包括构建智能搜索算法,通过随机搜索解空间来找到这类棋盘游戏所需的解。最近,一种特殊类型的搜索算法在解决这类博弈问题方面引起了人们的极大兴趣,这就是多目标进化算法(moea)。与基于单目标优化的搜索算法不同,moea能够找到一组在所有冲突目标之间进行权衡的非主导解。在本研究中,研究了多目标方法在围棋人工神经网络进化中的应用。一个简单的三层前馈神经网络被使用,并与帕累托存档进化策略(PAES)一起进化,用于计算机玩家学习和玩小棋盘围棋游戏。
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引用次数: 0
Multi-level shape description technique 多级形状描述技术
N. Salih, R. Besar, F. S. Abas
Image database querying has become a major area of research and received increased attention. Shape representation is one of the major problems in content-based image retrieval (CBIR). Shape representation generally looks for effective ways to capture the essence of the shape features that make it easier for shapes to be stored, recognized, compared against, and retrieved. In this paper, we shall present a structural shape representation and description technique, where object shape is represented at multiple levels of abstraction. This technique has been implemented in order to analyze its retrieval accuracy, the performance evaluation showed very remarkable and promising results.
图像数据库查询已成为一个重要的研究领域,受到越来越多的关注。形状表示是基于内容的图像检索(CBIR)中的主要问题之一。形状表示通常寻找有效的方法来捕捉形状特征的本质,使形状更容易被存储、识别、比较和检索。在本文中,我们将提出一种结构形状表示和描述技术,其中物体形状在多个抽象层次上表示。为了分析该技术的检索精度,对其进行了性能评价,取得了非常显著的效果。
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引用次数: 2
Comparison of load balancing algorithms for clustered web servers 集群web服务器负载均衡算法的比较
Amjad Mahmood, I. Rashid
The rapid growth of the World Wide Web has brought huge increase in traffic to popular web sites. As a consequence, end users often experience poor response time or denial of service. A cluster of multiple servers that behaves like a single host can be used to improve the throughput and alleviate the server bottlenecks. To achieve such a cluster, we need robust routing algorithms that provide scalability, effective load balancing and high availability in a constantly changing environment. Due to an ever-increasing diversity of workloads and cluster configurations, it is very difficult to propose a single algorithm that performs best under all conditions. In this paper, we review a number of proposed load balancing algorithms for clusters of web servers. We focus on an experimental analysis of the performance under a number of well-known load balancing algorithms. We study the performance of the algorithms through a simulation to evaluate their performance under different conditions and workloads. The results of our study are reported in the paper.
万维网的快速发展给流行网站带来了巨大的流量增长。因此,最终用户经常会遇到较差的响应时间或拒绝服务的情况。由多个服务器组成的集群,其行为类似于单个主机,可用于提高吞吐量并缓解服务器瓶颈。为了实现这样的集群,我们需要健壮的路由算法,在不断变化的环境中提供可伸缩性、有效的负载平衡和高可用性。由于工作负载和集群配置的多样性不断增加,很难提出在所有条件下都表现最佳的单一算法。在本文中,我们回顾了一些针对web服务器集群提出的负载平衡算法。本文重点对几种知名负载均衡算法下的性能进行了实验分析。通过仿真研究了算法在不同条件和工作负载下的性能。本文报道了我们的研究结果。
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引用次数: 11
Empowering UML application design with task models 使用任务模型增强UML应用程序设计
H. Lam, Tanguy Wettengel, Huynh Thong
This paper describes a practical method to include task modelling into Unified Modeling Language-based (UML-based) software engineering. The reason for this undertaking is increasing awareness of the capability and handiness of task models to picture the functionalities of a system (as awaited by customers), but also the lack of expressive power of UML use case diagrams, when underspecified, to make the functionalities of a system fully understandable to software developers. The described method builds on a task modelling software, a plugin transforming task models into use case diagrams and use case descriptions, and a UML software enabling to display use case diagrams. The plugin puts a set of rules interpreting the content of task models at work, in order to generate an XML file readable by the UML software, and a ready-to-use PDF output containing the use case descriptions. The advantages of this workflow are to enforce the link between the different project stakeholders (customer, architect, developers), to allow for cost-free iterations affecting the requirement scheme, to enable usable incremental modelling and to introduce interface design into the first step of the design process.
本文描述了一种将任务建模纳入基于统一建模语言(uml)的软件工程的实用方法。这项工作的原因是人们越来越意识到任务模型描绘系统功能的能力和便利性(正如客户所期待的那样),但也缺乏UML用例图的表达能力,当未详细说明时,使系统的功能对软件开发人员来说完全可以理解。所描述的方法建立在一个任务建模软件、一个将任务模型转换为用例图和用例描述的插件以及一个能够显示用例图的UML软件之上。插件放置了一组解释工作中的任务模型内容的规则,以便生成UML软件可读的XML文件,以及包含用例描述的现成PDF输出。该工作流的优点是加强了不同项目涉众(客户、架构师、开发人员)之间的联系,允许影响需求方案的无成本迭代,支持可用的增量建模,并将接口设计引入设计过程的第一步。
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引用次数: 0
Muscularis mucosae layer detection in colon biopsy images 结肠活检图像中粘膜肌层的检测
Mohd Yamin Ahmad, A. Mohamed, Y. A. M. Yusof, S. M. Ali
Manual screening of colon cancer biopsy tissue under microscope is difficult and time consuming. With the help of a computerized system, the diagnosis time can be shortened. In this paper, we proposed a method of detecting the layer of muscularis mucosae in the colon biopsy tissue image. By using RGB color information, we analyzed 65 images and preserved a specific range of color and evaluated the density of the preserved colour. A separation line is drawn to distinguish the layers. The result shows that by using the proposed method, layer of muscularis mucosae are detected with about 84% accuracy. The output of this detection is highly important as supporting evidence in the colon cancer cells image detection.
在显微镜下人工筛选结肠癌活检组织困难且耗时。在计算机系统的帮助下,可以缩短诊断时间。本文提出了一种在结肠活检组织图像中检测粘膜肌层的方法。利用RGB颜色信息对65幅图像进行了分析,保留了特定的颜色范围,并对保留的颜色密度进行了评价。画一条分隔线来区分这些层。结果表明,该方法检测粘膜肌层的准确率约为84%。该检测结果作为辅助证据在结肠癌细胞图像检测中具有重要意义。
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引用次数: 1
A secure tracking system for GPS-enabled mobile phones 一种安全的跟踪系统,用于具有gps功能的移动电话
Hasan Tahsin Bilgic, A. Z. Alkar
In this paper we are describing a secure location tracking system formed of a web interface and a client software. The system is built to be portable among embedded devices capable of running Java and has been intended to be used specifically on mobile phones. The mobile phone market has grown to a point where these kinds of applications are more likely to be used rather than dedicated global positioning systems (GPS). Therefore we are detailing the basics of a novel positioning system with added security by incorporating AES security during the transmission of the GPS data. The key is a function of the IMEI which is a unique code specific to every mobile phone in the market therefore adding the system a unique feature with respect to other common approaches. The geo-fencing also has been added to improve the usability of the system for clients that are needed to be tracked more closely.
本文描述了一个由web界面和客户端软件组成的安全位置跟踪系统。该系统被设计成可在能够运行Java的嵌入式设备之间移植,并且专门用于移动电话。移动电话市场已经发展到这样一个地步,这类应用程序比专用的全球定位系统(GPS)更有可能被使用。因此,我们详细介绍了一种新型定位系统的基础知识,该系统通过在GPS数据传输过程中结合AES安全来增加安全性。关键是IMEI的一个功能,这是一个独特的代码特定于市场上的每一个移动电话,因此增加了系统的独特功能相对于其他常见的方法。地理围栏也已被添加,以提高系统的可用性,为客户需要更密切地跟踪。
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引用次数: 8
期刊
ICIMU 2011 : Proceedings of the 5th international Conference on Information Technology & Multimedia
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