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Iterative Procedures in Generating Fractal Carpets 生成分形地毯的迭代程序
M. Chandra, Sanjay M. Shah
Fractals in nature are always a result of some growth process. Sierpinski carpet is one of the very beautiful fractals from the historic gallery of classical fractals. Carpet designing is not only a fascinating activity in computer graphics, but it has real applications in carpet industry as well. One may find illusionary delighted carpets designed here, which are useful in real designing of carpets. Each next category leads to a more generalized form of the fractal carpet. This paper includes an analysis of superior iterations as a formalism used to describe generation of carpets, which in time has become a general method of creating fractal objects. In this paper, inspired by superior iterates and recent paper Categorizations of Fractal Plants, we have generated Fractal carpets using superior iterations.
自然界中的分形总是某种生长过程的结果。Sierpinski地毯是古典分形历史画廊中非常美丽的分形之一。地毯设计不仅是计算机图形学中一项引人入胜的活动,而且在地毯工业中也有实际应用。在这里,你可以找到一种虚幻的快乐地毯,这在真正的地毯设计中是有用的。接下来的每一类都会引出一个更广义的分形地毯。本文分析了优迭代作为描述地毯生成的一种形式,它已成为创建分形对象的一种通用方法。在本文中,受上级迭代和最近的分形植物分类论文的启发,我们使用上级迭代生成了分形地毯。
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引用次数: 0
Implementation of Steganographic Authentication over Web Applications Web应用程序上隐写身份验证的实现
S. Khan, O. Tejaswi, Sahil Saini
This paper provides a scheme where the security algorithms of steganography would provide a very high level of security when applied over the web authentication. The usage of image processing algorithms would provide a very high security as compared to the existing methodologies. Application of steganography would also be substitute to the biometric and RFID tokens. The authors provide a procedure through which several web attacks can be controlled as brute-force attack, dictionary attack, and password guessing which would make the web applications immune from various hackers.
本文提供了一种方案,其中隐写的安全算法在应用于web身份验证时可以提供非常高的安全性。与现有的方法相比,图像处理算法的使用将提供非常高的安全性。隐写术的应用也将取代生物识别和射频识别令牌。作者提供了一种程序,通过该程序可以控制几种web攻击,如暴力攻击、字典攻击和密码猜测,从而使web应用程序免受各种黑客的攻击。
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引用次数: 1
A Recurrence Quantification Analytical Approach to Detect DDoS Attacks 一种检测DDoS攻击的递归量化分析方法
N. Jeyanthi, J. Vinithra, S. Sneha, R. Thandeeswaran, N. Iyengar
Distributed Denial of Service (DDoS) is a type of attack in the application layer initiated from the various hosts to a single web server. The aim of this attack is to consume all the resources of the targeted system by exploiting the vulnerability. We proposed a mathematical model called Recurrence Quantification Analysis (RQA) for detecting the DDoS attacks by computing entropy and determinism of selected packet attributes. To detect the anomalies and check the performance we considered the live traffic traces from the network and various RQA parameters like entropy, laminarity and determinism were used to determine the uncertainty or randomness in the dataset.
分布式拒绝服务(Distributed Denial of Service, DDoS)是一种针对应用层的攻击,由多个主机向单个web服务器发起。这种攻击的目的是利用漏洞消耗目标系统的所有资源。我们提出了一种递归量化分析(RQA)数学模型,通过计算熵和所选包属性的确定性来检测DDoS攻击。为了检测异常并检查性能,我们考虑了来自网络的实时流量轨迹和各种RQA参数,如熵,层流和确定性,用于确定数据集中的不确定性或随机性。
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引用次数: 8
Fuzzy-Logic Applications in Cost Analysis of Transformer's Main Material Weight 模糊逻辑在变压器主材重量成本分析中的应用
H. Malik, R. Jarial
Transformer is one of the costliest apparatus in an electrical power supply network which play vital role in an electrical power system. It is expected that all transformers installed in a substation must function optimally under normal as well transient conditions. Their satisfactory performance of transformers can be ensured by making use of latest trends in condition based monitoring. This helps not only in providing interruption free electricity supply but also help in enhancing attain prolonged residual life and hence capital management of the utilities. Forecasting transformer costs by its manufacturer and industrial companies has always been an area of interest especially in modern era of technology advancements when newer and newer material are pouring into market for the use by manufacturers. The major amount of transformer costs are related to its raw materials, So, the cost estimation process of transformers are based on amount of used raw material. This paper presents a new method to estimate the weight of main materials for transformers by use of fuzzy logic technique. The required estimating data have been obtained from Transformer Company.
变压器是供电网络中造价最高的设备之一,在电力系统中起着至关重要的作用。期望变电站中安装的所有变压器在正常和暂态条件下都能发挥最佳作用。利用状态监测的最新发展趋势,可以保证变压器的良好性能。这不仅有助于提供无中断的电力供应,而且有助于延长剩余寿命,从而提高公用事业的资本管理。预测其制造商和工业公司的变压器成本一直是一个感兴趣的领域,特别是在技术进步的现代时代,当越来越新的材料涌入市场供制造商使用时。变压器成本的主要数额与其原材料有关,因此,变压器的成本估算过程是以原材料使用量为基础的。本文提出了一种利用模糊逻辑技术估算变压器主要材料重量的新方法。所需的估算数据已从变压器公司获得。
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引用次数: 5
Estimation of Reliability and Scalability in Ad-Hoc Multicast Routing Protocol for Sender Network 发送网络Ad-Hoc组播路由协议可靠性和可扩展性评估
Vishal Nagar, Y. Singh, D. Dhubkarya
Mobile ad hoc network (MANETs) is a collection of nodes that exchange data over wireless paths. The nodes in this network are free to move at any time, therefore network topology changes in unpredictable way. Since there is no fixed infrastructure support in MANETs, each node functions as a host and a router. Designing a reliable and scalable routing protocol for MANETs is a challenging task due to mobility and the continuous change in the topology. In this paper the reliability and scalability of Network Sender Multicast Routing Protocol (NSMRP) is studied by finding the effect of increasing the number of groups under different mobility scenarios on the data packet delivery ratio and the control packet overhead. The simulation results show that when the number of groups increases the data packet delivery ratio improves while the control packet overhead continues to decrease.
移动自组织网络(manet)是通过无线路径交换数据的节点集合。这种网络中的节点在任何时候都可以自由移动,因此网络拓扑结构的变化是不可预测的。由于在manet中没有固定的基础设施支持,因此每个节点都充当主机和路由器。由于移动性和拓扑结构的不断变化,为manet设计可靠且可扩展的路由协议是一项具有挑战性的任务。本文研究了网络发送方组播路由协议(Network Sender Multicast Routing Protocol, NSMRP)在不同移动场景下增加组数对数据包传输率和控制数据包开销的影响,从而研究了该协议的可靠性和可扩展性。仿真结果表明,随着分组数量的增加,数据包的分发率提高,而控制数据包的开销继续降低。
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引用次数: 1
Analysis of Adaptive Resonance Theory of Neural Network Method in the String Recognition 神经网络自适应共振理论在字符串识别中的应用分析
A. Gupta, Y. Singh
This paper aims that analysing neural network method in pattern recognition. A neural network is a processing device, whose design was inspired by the design and functioning of human brain and their components. The proposed solutions focus on applying Adaptive Resonance Theory model for pattern recognition. The primary function of which is to retrieve in a pattern stored in memory, when an incomplete or noisy version of that pattern is presented. An associative memory is a storehouse of associated patterns that are encoded in some form. In auto-association, an input pattern is associated with itself and the states of input and output units coincide. When the storehouse is incited with a given distorted or partial pattern, the associated pattern pair stored in its perfect form is recalled. Pattern recognition techniques are associated a symbolic identity with the image of the pattern. This problem of replication of patterns by machines (computers) involves the machine printed patterns. There is no idle memory containing data and programmed, but each neuron is programmed and continuously active.
本文旨在分析神经网络方法在模式识别中的应用。神经网络是一种处理装置,其设计灵感来自于人类大脑及其组成部分的设计和功能。提出的解决方案侧重于应用自适应共振理论模型进行模式识别。它的主要功能是检索存储在内存中的模式,当该模式的不完整或有噪声的版本出现时。联想记忆是以某种形式编码的关联模式的仓库。在自动关联中,输入模式与自身相关联,并且输入和输出单元的状态一致。当仓库被给定的扭曲的或部分的图案激发时,以其完美形式存储的相关图案对被召回。模式识别技术是将一个符号身份与模式图像相关联。这个由机器(计算机)复制图案的问题涉及到机器打印图案。没有包含数据和编程的空闲内存,但每个神经元都被编程并持续活跃。
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引用次数: 3
Development of Swarm Based Hybrid Algorithm for Identification of Natural Terrain Features 基于群的自然地形特征识别混合算法研究
S. Goel, Arpita Sharma, Akarsh Goel
Swarm Intelligence techniques facilitate the configuration and collimation of the remarkable ability of a group members to reason and learn in an environment of uncertainty and imprecision from their peers by sharing information. This paper introduces a novel hybrid approach PSO-BBO that is tailored to perform classification. Biogeography-based optimization (BBO) is a recently developed heuristic algorithm, which proves to be a strong entrant in this area with the encouraging and consistent performance. But, as BBO lacks inbuilt property of clustering, it is hybridized with Particle Swarm Optimization (PSO), which is considered as a good clustering technique. We have successfully applied this hybrid algorithm for classifying diversified land cover areas in a multispectral remote sensing satellite image. The results illustrate that the proposed approach is very efficient and highly accurate land cover features can be extracted by using this method. Also, this technique can easily be extended for other global optimization problems.
群体智能技术通过共享信息,促进了群体成员在不确定和不精确的环境中进行推理和学习的卓越能力的配置和校准。本文介绍了一种针对分类问题量身定制的新型混合算法PSO-BBO。基于生物地理的优化算法(BBO)是近年来发展起来的一种启发式算法,具有良好的应用前景。但由于BBO缺乏固有的聚类特性,将其与粒子群优化算法(PSO)相结合,被认为是一种较好的聚类方法。我们已经成功地将这种混合算法应用于多光谱遥感卫星图像中不同土地覆盖区域的分类。结果表明,该方法是一种高效的方法,可以提取出高精度的土地覆盖特征。此外,该技术可以很容易地扩展到其他全局优化问题。
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引用次数: 10
GPS Locator: An Application for Location Tracking and Sharing Using GPS for Java Enabled Handhelds GPS定位器:一个使用GPS跟踪和共享Java手持设备的应用程序
Ankur Chandra, Shashank Jain, M. Qadeer
The use of mobile devices has become a part of our daily routine. Recently, mobile devices like mobile phones or portable digital displays (PDAs) are equipped with global positioning system (GPS) receptors that allow us to get the device's geographic position in real time. Location Based Services (LBS) are regarded as a key feature of many future mobile applications. GPS serves well for most outdoor applications, however, its dependence on satellites makes it ineffective for indoor environments. This document gives a detail on our ongoing project work in the field of Location Based Services for JAVA enabled mobile devices, equipped with GPS receptor. We present a novel technique to send GPS coordinates to other mobiles through Short Message Service (SMS) based on Global Positioning System (GPS) technology. This application also enables the users to get their current location coordinates (latitude, longitude and altitude) and they can also view their locations on the Google maps. Further, this application also enables the user to share his location with their friends through a web server using internet connectivity in their hand helds. GPS is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the United States (US) Department of Defense (DoD). GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use. GPS can show you your exact position on the Earth in any weather conditions, anywhere in the world, 24 hours a day. There are no subscription fees or setup charges to use GPS [6].
使用移动设备已经成为我们日常生活的一部分。最近,像移动电话或便携式数字显示器(pda)这样的移动设备都配备了全球定位系统(GPS)接收器,使我们能够实时获得设备的地理位置。基于位置的服务(LBS)被认为是许多未来移动应用程序的关键特性。GPS适用于大多数户外应用,然而,它对卫星的依赖使其在室内环境中效果不佳。本文档详细介绍了我们正在进行的基于位置的服务领域的项目工作,该服务适用于带有GPS接收器的JAVA移动设备。提出了一种基于全球定位系统(GPS)技术,通过短消息服务(SMS)向其他移动设备发送GPS坐标的新技术。这个应用程序还使用户能够获得他们当前的位置坐标(纬度、经度和海拔),他们还可以在谷歌地图上查看他们的位置。此外,该应用程序还允许用户通过web服务器与他们的朋友分享他的位置,使用他们手持设备的互联网连接。GPS是一种基于卫星的导航系统,由美国国防部(DoD)送入轨道的24颗卫星组成。GPS最初是为军事应用而设计的,但在20世纪80年代,政府将该系统用于民用。全球定位系统可以告诉你在任何天气条件下,在世界任何地方,你在地球上的确切位置,一天24小时。使用GPS没有订阅费或安装费[6]。
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引用次数: 54
Fast Motion Estimation Using Modified New Block Matching Algorithm: MTSSDS for Efficient Video Compression in Mobile Domain 基于改进的新块匹配算法的快速运动估计:MTSSDS在移动领域的高效视频压缩
A. Pandit, S. Verma, G. Tomar, Dheeraj Kannoujia
Recent Day Communication between ends is facilitated by the development in the area of wired and wireless networks. The end to end devices like mobiles, handheld and palm size PC's have limited capability for computation, display capacity and bandwidth. This augment, for ways for communicating large data files like video, in highly compressed and acceptable quality over the limited available bandwidth. Block matching algorithms is a vital step for achieving the efficient and acceptable compression. The block matching algorithm defines the total computation cost and effective bit budget. Recently fast search algorithm for video coding using Orthogonal Logarithmic Search Algorithm (OSA) has been proposed This paper presents a novel method named as Modified Three steps and Diamond search Block matching Algorithm (MTSSDS) for the block based motion estimation It has been found that from the original Three step Search (3SS/TSS ) and Diamond Search (DS) method, the PSNR value has increased and the computations and thus computation time (faster) has been reduced significantely. The experimental results based on the number of video sequences were presented to demonstrate the advantages of proposed motion estimation technique.
有线和无线网络的发展促进了终端之间的通信。端到端设备,如手机、手持设备和手掌大小的个人电脑,在计算能力、显示能力和带宽方面都是有限的。这种增强,用于在有限的可用带宽上以高度压缩和可接受的质量传输视频等大型数据文件的方式。块匹配算法是实现高效、可接受压缩的关键步骤。块匹配算法定义了总计算成本和有效比特预算。本文提出了基于正交对数搜索算法(OSA)的视频编码快速搜索算法,提出了一种新的基于块运动估计的改进三步和菱形搜索块匹配算法(MTSSDS)。研究发现,与原来的三步搜索(3SS/TSS)和菱形搜索(DS)方法相比,PSNR值有所提高,计算量和计算时间(更快)明显减少。基于视频序列数的实验结果证明了所提出的运动估计技术的优越性。
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引用次数: 5
Performance Analysis of Phase Error Cancellation of PAL-D Television System Using Labview 基于Labview的PAL-D电视系统相位误差消除性能分析
Charmy Patel, G. R. Kulkarni
Television has been a part of our day to day life. So, sometimes we think how this system really works! In between Transmission and Reception, Information Signal passes through plenty of complex process and stages. We have Implemented, the process made on Chrominance signal (|C|) with the help of simulator, Lab VIEW 9, made by National Instruments in 1986. The Selection of appropriate camera is depending upon the three primary color of object. There are mainly three characteristic of chrominance signal. Hue, Saturation & Luminance. Amplitude of chrominance signal defines Saturation level and Phase angle of the signal determines Hue. So Chrominance circle, with magnitude level contains all colours of the world. Model describes the magnitude level and phase angle for the particular colour. Two colour difference signals are modulated in Quadrature Amplitude Modulation (QAM) manner. So by using this model you can show that how the QAM waves are looks like for particular colour. As well as the model describes how PAL-D System, used in the Asian country, works and how it is superior then the NTSC system used in American Country. Thus the concept of, Colour Television Transmission is designed in an oversimplified way.
电视已经成为我们日常生活的一部分。所以,有时候我们会想这个系统到底是怎么运作的!信息信号在发送和接收之间要经历许多复杂的过程和阶段。我们利用1986年美国国家仪器公司(National Instruments)制作的模拟器Lab VIEW 9实现了对色度信号(|C|)的处理。选择合适的相机取决于物体的三原色。色度信号主要有三个特征。色调,饱和度和亮度。色度信号的幅度决定了饱和度水平,信号的相位角决定了色相。所以色度圈,用亮度等级包含了世界上所有的颜色。模型描述了特定颜色的幅度和相位角。采用正交调幅(QAM)方式对两个色差信号进行调制。因此,通过使用这个模型,你可以展示出特定颜色下QAM波的样子。该模型还描述了在亚洲国家使用的PAL-D系统是如何工作的,以及它如何优于美国国家使用的NTSC系统。因此,彩色电视传输的概念是以一种过于简化的方式设计的。
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引用次数: 0
期刊
2011 International Conference on Computational Intelligence and Communication Networks
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