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2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT)最新文献

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An integrated system for tracking and recognition using Kalman filter 基于卡尔曼滤波的跟踪与识别集成系统
A. Vijay, Anoop K. Johnson
Tracking of any object from a video scene becomes more critical not only for security applications but also for analyzing traffic. This system integrates low level image processing as well as high level image processing through online data model and offline data model for more efficiency and robustness. Also this makes the system to handle occlusion conditions and abrupt color intensity variation conditions. This system uses median filtering and blob extraction for moving object detection. The offline model employs high level image processing recognize the moving objects. Here the Kalman filter is used for effective tracking under complex situations.
从视频场景中跟踪任何对象不仅对安全应用,而且对流量分析变得更加重要。该系统通过在线数据模型和离线数据模型将低级图像处理和高级图像处理相结合,提高了系统的效率和鲁棒性。这也使得系统可以处理遮挡条件和突然的颜色强度变化条件。该系统采用中值滤波和斑点提取技术对运动目标进行检测。离线模型采用高级图像处理对运动物体进行识别。在这里,卡尔曼滤波用于复杂情况下的有效跟踪。
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引用次数: 3
A review on hyperspectral image compression 高光谱图像压缩研究进展
Sanjith S, Ganesan R
The growth of small satellite communication technologies, demands for data transmission and storage is rapidly increased. The advancements in computer technology and digital data processing techniques improves the efficiency of transmission and storage of data. Recently hyperspectral image compression has got considerable attention and so many researches had been made in this field and got positive results in compression ratio. In this paper we have made a state-of-the-art investigation about hyperspectral image compression which can be used in satellites onboard compression. Mainly this investigation is focused on lossy, lossless and near lossless compression methods and methodologies used to perform the compression. Topics covered includes Distributed Source Coding (DSC), Slepian-Wolf theory, M-CALIC, LAIS-LUT, FIVQ, DCT, JPEG2000 Multidimensional lattice vector quantization. As a final point the merits and demerits are discussed.
小卫星通信技术的发展,对数据传输和存储的需求迅速增加。计算机技术和数字数据处理技术的进步提高了数据传输和存储的效率。近年来,高光谱图像压缩受到了广泛的关注,在这一领域进行了大量的研究,并在压缩比方面取得了积极的成果。本文就高光谱图像压缩技术在卫星机载压缩中的应用进行了研究。本研究主要集中在有损、无损和接近无损的压缩方法和用于执行压缩的方法。涵盖的主题包括分布式源编码(DSC)、睡狼理论、M-CALIC、LAIS-LUT、FIVQ、DCT、JPEG2000多维点阵矢量量化。作为最后一点的优点和缺点进行了讨论。
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引用次数: 12
Analysis of various ARP poisoning mitigation techniques: A comparison 各种ARP中毒缓解技术分析:比较
Nikhil Tripathi, B. Mehtre
Address Resolution Protocol (ARP) is the fundamental and one of the most frequently used protocol involved in computer communications. Within a LAN, ARP messages are used to resolve IP addresses into corresponding MAC addresses. Nevertheless, some of the limitations within this protocol make it rather vulnerable. The two most prominent limitations are - unauthenticated and stateless nature of ARP. The attackers can easily exploit these loopholes for their personal gain. ARP poisoning is considered as unitary of the basic attacks which is utilized to launch higher level attacks. Several solutions have been proposed in the literature to detect and prevent these attacks. However, all of the proposed solutions are limited to a certain extent. Some solutions are effective in a special set of scenarios while others are rather suited for scenarios belonging to a different band. As new techniques of ARP poisoning have evolved with time, researchers are getting motivated to propose new solutions. In this paper, we have presented a comparative analysis of different proposed solutions which are rather popular in the literature. We have compared different mitigation techniques based on some of the important factors that are considered as limitations to the proposed solutions. These factors are derived from the scenarios which are possible within a LAN when an ARP Poisoning attack is launched. A brief tabular format is likewise introduced in this paper which offers a fast overview of comparison between different proposed schemes. This comparative study can further be used to offer and build up a more efficient and effective scheme which, on one hand, enjoys the combined advantage of different mitigation techniques and on the other hand, does not hold the old limitations.
地址解析协议(ARP)是计算机通信中最基本、最常用的协议之一。在局域网内,ARP报文用于将IP地址解析为对应的MAC地址。然而,该协议中的一些限制使其相当脆弱。两个最突出的限制是ARP的未经身份验证和无状态特性。攻击者可以很容易地利用这些漏洞谋取私利。ARP中毒被认为是一种统一的基础攻击,用来发动更高级的攻击。文献中已经提出了几种解决方案来检测和防止这些攻击。然而,所有提出的解决方案都有一定的局限性。一些解决方案在一组特殊场景中有效,而其他解决方案则非常适合属于不同频段的场景。随着时间的推移,ARP中毒的新技术不断发展,研究人员越来越有动力提出新的解决方案。在本文中,我们提出了不同的解决方案的比较分析,这是相当流行的文献。我们根据被认为是拟议解决办法的限制因素的一些重要因素,比较了不同的缓解技术。这些因素来源于局域网内ARP中毒攻击发生时可能出现的情况。本文同样介绍了一个简短的表格格式,它提供了不同方案之间比较的快速概述。通过比较研究,可以进一步提供和构建一种更高效、更有效的方案,该方案一方面具有不同缓解技术的综合优势,另一方面又摆脱了原有的局限性。
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引用次数: 20
A retrospective study based on the soft computing approach in Electro Chemical discharge machining 基于软计算方法的电化学放电加工回顾研究
J. Joe, Jeba Rajan, M. Dev Anand, P. Gopu
The improvement in materials strength as days goes and goes, hybrid type of unconventional machining process has been developed and continuous. In that case researchers developed the combined process of Electro Chemical Machining (ECM) and Electrical Discharge Machining (EDM) for increase the quality of the components. In this current review work, the setting of different levels of parameters in Electro Chemical Discharge Machining (ECDM) and their corresponding effect in the various responses has been studied. The different prediction and optimization approaches used for control the parameters in different work also reviewed.
随着材料强度的不断提高,混合型非常规加工工艺不断发展。在这种情况下,研究人员开发了电化学加工(ECM)和电火花加工(EDM)的组合工艺,以提高部件的质量。本文研究了电化学放电加工中不同水平参数的设置及其对各种响应的影响。综述了不同工况下用于控制参数的不同预测和优化方法。
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引用次数: 0
Study on PID controller design and performance based on tuning techniques 基于整定技术的PID控制器设计与性能研究
P. Gopi Krishna Rao, M. Subramanyam, K. Satyaprasad
The simplicity, ease of implementation and robustness has attracted the use of Proportional, Integral and Derivative (PID) controllers in the chemical process industries. Numerous tuning techniques are available for tuning of PID controllers, each one of it has its pros and cons. Majority of the tuning techniques are proposed for First Order System with Time Delay (FOPDT). This paper presents the technique for obtaining the FOPDT model using Sundaresan and Krishnaswamy method and performance comparison of PID controller based on open loop, closed loop tuning techniques and PID controller tuned with Internal Model Control (IMC) technique for setpoint tracking and disturbance rejection. Analysis is carried out in terms of Integral error criteria's, Integral Absolute Error (IAE) and Integral Squared Error (ISE) and time response information viz. rise time, settling time, % peak overshoot and maximum sensitivity. Superheated steam temperature system of 500 MW boiler and Mean arterial blood pressure system are considered for the simulation study. The results indicate that the ratio of time delay and time constant have influence on the performance of the tuning techniques. IMC - PID provides the flexibility of adjustment for desired performance in comparison to other tuning techniques.
简单、易于实现和鲁棒性吸引了比例、积分和导数(PID)控制器在化学过程工业中的应用。许多调谐技术可用于PID控制器的调谐,每一种都有其优点和缺点。大多数调谐技术是针对一阶时滞系统(FOPDT)提出的。本文介绍了利用Sundaresan和Krishnaswamy方法获得FOPDT模型的技术,并对基于开环、闭环整定技术的PID控制器和采用内模控制(IMC)技术整定的PID控制器进行了性能比较,用于设定值跟踪和抗干扰。根据积分误差标准、积分绝对误差(IAE)和积分平方误差(ISE)以及时间响应信息,即上升时间、稳定时间、峰值超调百分比和最大灵敏度进行分析。以500mw锅炉过热蒸汽温度系统和平均动脉血压系统为对象进行仿真研究。结果表明,时间延迟和时间常数的比例对调谐技术的性能有很大影响。与其他调优技术相比,IMC - PID提供了调整所需性能的灵活性。
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引用次数: 27
Mining relationships from text in social networking sites 从社交网站的文本中挖掘关系
Munish Bhargav, A. Bhargav
Majority of an individual's social interaction takes place through social networking site like Facebook. But one thing to focus is that the way we interact with different people through these social networking sites are different. If we are interacting with our close friends we use more informal language whereas with our relatives or elders and with our seniors at job interaction is little less informal or some time formal also as compared to the interaction with close friends. This difference in interaction can be a good measure of guessing relationship of the persons interacting with each other through these social networking sites. In this research paper we collected data through one of the very famous and very fast growing social networking site, Facebook. We considered comments, wall posts and messages exchanged through chat boxes of some people. From this data we have extracted some very interesting features like difference in number of emoticons, type of emoticons, degree of informal language, degree of intentional spelling mistakes, frequency of social acronyms and degree and type of interjections used in interaction of different people. We have used these features for mining relationships of the people involved in online social interaction.
个人的大部分社交互动都是通过Facebook这样的社交网站进行的。但需要注意的是,我们通过这些社交网站与不同的人互动的方式是不同的。如果我们与亲密的朋友交流,我们会使用更非正式的语言,而与我们的亲戚或长辈以及工作上的前辈交流,与与亲密的朋友交流相比,交流就不那么非正式了,有时也会更正式。这种互动的差异可以很好地衡量通过这些社交网站相互互动的人的猜测关系。在这篇研究论文中,我们通过一个非常著名且发展非常迅速的社交网站Facebook收集数据。我们考虑了一些人的评论、留言板和通过聊天框交换的信息。从这些数据中,我们提取了一些非常有趣的特征,比如表情符号的数量、表情符号的类型、非正式语言的程度、故意拼写错误的程度、社交缩略语的频率以及不同人在互动中使用的感叹词的程度和类型。我们已经使用这些功能来挖掘参与在线社交互动的人们之间的关系。
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引用次数: 0
FPGA partitioning and synthesis of reconfigurable video compression module 可重构视频压缩模块的FPGA划分与合成
Neena Baby, C. Pradeep
Nowadays Field Programmable Gate Arrays (FPGAs) are increasingly considered in space applications as they are flexible and reprogrammable. They play an important role in geographical and weather forecasting processes. However, these devices are sensitive to the effects of radiation especially in modern de signs that deal with smaller CMOS structures. This paper discusses the various steps involved in designing a video compression system that can be used for space applications. A brief idea of a self-repairing algorithm is also proposed that can help in sustaining the compression system for a longer duration. The algorithm is based on modern reconfigurable architectures. The different steps involved in compression are designed using Verilog HDL. The design is simulated and synthesized using Xilinx IS E 14.2.
目前,现场可编程门阵列(fpga)由于其灵活和可重新编程的特点,在空间应用中得到越来越多的考虑。它们在地理和天气预报过程中发挥着重要作用。然而,这些器件对辐射的影响很敏感,特别是在处理较小CMOS结构的现代设计中。本文讨论了设计可用于空间应用的视频压缩系统所涉及的各个步骤。本文还提出了一种自我修复算法的简单想法,该算法可以帮助压缩系统维持更长的持续时间。该算法基于现代可重构架构。压缩中涉及的不同步骤是使用Verilog HDL设计的。采用赛灵思ise14.2软件对该设计进行了仿真和综合。
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引用次数: 0
American Sign Language interpreter system for deaf and dumb individuals 美国手语翻译系统为聋哑人
S. Upendran, A. Thamizharasi
The proposed scheme recognizes and interprets American Sign Language symbols that have static gestures. The system provides an opportunity for deaf and dumb individuals to communicate and learn using computers. American Sign Language is a widely used and accepted standard for communication by people with hearing and speaking impairments. The proposed system recognizes and translates static hand gesture of alphabets in AS L into textual output. This text can further be converted into speech. The user of the system is free from data acquisition devices. The concepts of Principal Component Analysis (PCA) are used on the static gesture images of the AS L alphabet. The PCA features extracted from the image are used to classify the image into one of the AS L alphabet. The recognition of AS L gestures results in a textual output and is then can be converted into speech. Thus, the scheme helps the hearing and speech impaired to talk using computers.
所提出的方案识别和解释具有静态手势的美国手语符号。该系统为聋哑人提供了一个使用计算机进行交流和学习的机会。美国手语是一种被有听力和语言障碍的人广泛使用和接受的交流标准。本文提出的系统能够识别并转换AS - L中静态的字母手势为文本输出。这篇课文可以进一步转化为口语。该系统的用户不受数据采集设备的影响。将主成分分析(PCA)的概念应用于asl字母的静态手势图像。从图像中提取的PCA特征用于将图像分类为AS - L字母表之一。对手势的识别产生文本输出,然后可以将其转换为语音。因此,该计划帮助听力和语言障碍的人使用电脑交谈。
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引用次数: 18
Robot for the physically challenged 残疾人专用机器人
C. Hasitha, N. S. Chinmayi, B. Sravya, V. K. Mittal
In the past decade, robotic applications in human life have made significant progress. However, mobility of robots and user convenience of their control is still a challenge. Utility of robots for a physically challenged person, with practicality and ease of operation, is another issue. In this paper, a robotic solution is proposed for utilization by the physically challenged. A prototype robot is developed using RF signals, with voice control or remote control options. The human voice/remote controlled robot, has obstacle avoidance and edge avoidance features as well. The prototype is useful for applications in diverse fields.
在过去的十年中,机器人在人类生活中的应用取得了重大进展。然而,机器人的移动性和用户对其控制的便利性仍然是一个挑战。机器人对残疾人的实用性和操作便利性是另一个问题。在本文中,提出了一种机器人解决方案,以供残疾人使用。使用射频信号开发了一个原型机器人,具有语音控制或远程控制选项。人声/遥控机器人,具有避障和避边功能。该原型可用于各种领域的应用。
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引用次数: 4
An examination of next generation IP migration techniques: Constraints and evaluation 下一代知识产权迁移技术的检验:约束和评估
Junaid Latief Shah, J. Parvez
IP Next Generation (IPng) or IPv6 engineered by IETF is the successor of IPv4, the contemporary version of Internet Protocol. IPv6 is designed to solve the long term performance, reliability and scalability problems of IPv4. Although IPv6 implementation is yet to attain a maturity level, its success will ultimately depend on its implementation in a broader perspective. The IPv6 network migration is seen as an intricate daunting task impeding its evolution. Nevertheless with emergence of new IPv6 migration techniques, its complete integration with current IP networks seems to be achievable in near future. This paper attempts to examine current IP transitioning techniques and outlines the key deployment issues, challenges and migration paths. The paper also makes an empirical evaluation of three most commonly used transition mechanisms namely Dual Stack, Automatic 6to4 Tunneling and Manual 6in4 Tunneling and makes a comparison of performance metrics with native IPv6 environment. The simulation results are significant and give an insight about choosing best transition technique and an idea about network migration and capacity planning. The simulation-based comparison has been carried using OPNET (ver. 14.5) simulation framework.
由IETF设计的下一代IP (IPng)或IPv6是IPv4的继承者,IPv4是互联网协议的当代版本。IPv6旨在解决IPv4长期存在的性能、可靠性和可扩展性问题。虽然IPv6的实现还没有达到一个成熟的水平,但它的成功最终取决于它在更广阔的视野下的实现。IPv6网络迁移被视为一项复杂的艰巨任务,阻碍了它的发展。然而,随着新的IPv6迁移技术的出现,它与现有IP网络的完全集成似乎在不久的将来是可以实现的。本文试图检查当前的IP转换技术,并概述了关键的部署问题、挑战和迁移路径。本文还对双栈、自动6to4隧道和手动6in4隧道三种最常用的转换机制进行了实证评估,并将性能指标与本地IPv6环境进行了比较。仿真结果对选择最佳迁移技术、网络迁移和容量规划具有重要意义。利用OPNET (ver. net)进行了基于仿真的比较。14.5)仿真框架。
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引用次数: 12
期刊
2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT)
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