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2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC)最新文献

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Keystroke user recognition through extreme learning machine and evolving cluster method 基于极限学习机和进化聚类方法的击键用户识别
S. Ravindran, C. Gautam, Aruna Tiwari
User Identification and User Verification are the primary problems in the area of Keystroke Dynamics. In the last decade there has been massive research in User Verification, and lesser research in User Identification. Both approaches take a username and a passphrase as input. In this paper, we introduce this problem of replacing authentication systems with the passphrase alone. This is done by using neural network based approach i.e. Extreme Learning Machine. ELM is a fast Single hidden layer feed forward network (SLFN) with good generalization performance. However the hidden layer in ELM does not have to be tuned. As an evolutionary step, we use a clustering based Semi-supervised approach (ECM-ELM) to User Recognition to combat variance in the accuracy of traditional ELMs. This research aims not only to address User Recognition problem but also to remove the instability in the accuracy of ELM. As per our simulation, ECM-ELM achieved a stable accuracy of 87% with the CMU Keystroke Dataset, while ELM achieved an unstable average accuracy of 90%.
用户识别和用户验证是击键动力学领域的主要问题。在过去的十年里,人们对用户验证进行了大量的研究,而对用户身份的研究却很少。这两种方法都接受用户名和密码作为输入。在本文中,我们介绍了用单独的密码短语替换认证系统的问题。这是通过使用基于神经网络的方法,即极限学习机来完成的。ELM是一种快速的单隐层前馈网络,具有良好的泛化性能。然而,ELM中的隐藏层不需要调整。作为一个进化步骤,我们使用基于聚类的半监督方法(ECM-ELM)来进行用户识别,以对抗传统elm的准确性差异。本研究的目的不仅在于解决用户识别问题,还在于消除ELM在准确率上的不稳定性。根据我们的模拟,ECM-ELM在CMU击键数据集上实现了87%的稳定准确率,而ELM实现了90%的不稳定平均准确率。
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引用次数: 6
SRAM cell with improved stability and reduced leakage current for subthreshold region of operation SRAM电池与改进的稳定性和减少泄漏电流的亚阈值区域的操作
P. Sreelakshmi, Kirti S. Pande, N. S. Murty
In this paper, a Modified Differential 8T SRAM cell is proposed for subthreshold region of operation. Forward Body biasing technique is used to improve the drivability of transistors and sleep transistor logic is used to reduce the leakage current in standby mode. The proposed design is implemented with 45 nm CMOS technology and is simulated using Cadence Virtuoso Simulator. At 0.5 V supply voltage, the read SNM and write SNM are 98 mV and 112 mV respectively and these are 32% and 21% higher than there reported in literature. The leakage current and power consumption of the cell are 3.26 fA and 1.63 fW respectively.
本文提出了一种改进的差分8T SRAM单元,用于阈下区域的工作。采用正向体偏置技术提高晶体管的可驱动性,采用休眠晶体管逻辑降低待机状态下的漏电流。该设计采用45纳米CMOS技术实现,并使用Cadence Virtuoso模拟器进行仿真。在0.5 V电源电压下,读SNM和写SNM分别为98 mV和112 mV,比文献报道的高32%和21%。电池的漏电流为3.26 fA,功耗为1.63 fW。
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引用次数: 13
Outlier detection via a soft computing hybrid 通过软计算混合的离群值检测
G. Saini, V. Ravi
Outlier detection has been attracting the data analysts in almost every domain for a long time now because their detection is very challenging. Outliers or novel cases need to be detected before any analysis is performed on data set. Depending upon the domain, outlier detection saves a lot of time, money or both. In this paper, we developed a novel outlier detection model using ensembling technique, in the paradigm of soft computing, which includes four algorithms, namely k-Reverse Nearest Neighbor (kRNN), Auto Associative Neural Network (AANN), Counter Propagation Auto Association Neural Network (CPAANN), and Generalized Regression Auto Association Neural network (GRAANN) as constituents. The ensemble takes the union of all the outliers found by the four techniques.
离群值检测一直以来都受到数据分析人员的广泛关注,因为它的检测非常具有挑战性。在对数据集进行任何分析之前,需要检测异常值或新病例。根据不同的领域,异常值检测可以节省大量的时间和金钱,或者两者兼而有之。本文在软计算范式下,利用集成技术开发了一种新的离群点检测模型,该模型包括k-逆最近邻(kRNN)、自动关联神经网络(AANN)、反传播自动关联神经网络(CPAANN)和广义回归自动关联神经网络(GRAANN)四种算法作为组成部分。合奏采用四种技术发现的所有异常值的联合。
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引用次数: 0
Low power clock Optimized Digital De-Skew Buffer with improved duty cycle correction 低功耗时钟优化数字去斜缓冲器与改进的占空比校正
L. Puneeth, N. S. Murty
In this paper, we propose an architecture for Optimized Digital De-Skew Buffer (ODDB) with improved duty cycle correction using modified edge combiner and interpolator. The transmission gate based edge combiner suffers from the problem of glitches during the setup time and overshoots and undershoots afterwards. Our NAND gate based modified edge combiner, along with the interpolator, removes the glitches, drastically reduces the overshoots and undershoots and improves the duty cycle correction to deliver stable 50% duty cycle clock. A latch based clock gating circuit is used to reduce the power consumption of the ODDB. Half Delay Line blocks are used to introduce the delay and are designed using Coarse Delay Units and Fine Delay lines. The architecture is simulated using Cadence NCSim and the clock is optimized for setup time, hold time and power consumption using the Cadence SoC Encounter. The ODDB is designed and implemented using 45 nm CMOS technology with 1.1 V power supply and is optimized for 500MHz operation. The power consumption and total cell area of the ODDB are 40.6 μW and 354.312 μm2 respectively. A 6% power saving is achieved at the cost of 14% area overhead by implementing clock gating feature in ODDB. The modified edge combiner and interpolator have also been implemented using 45nm FinFET technology (BSIM CMG) and power reduction of 19% and 45% respectively are achieved when compared to the 45nm CMOS implementation.
在本文中,我们提出了一种优化的数字去斜缓冲器(ODDB)的架构,该架构使用改进的边缘组合器和插值器改进了占空比校正。基于传输门的边缘合成器在设置过程中存在小故障和过冲和欠冲问题。我们基于NAND门的改进边缘组合器,以及插值器,消除了小故障,大大减少了过调和欠调,并提高了占空比校正,以提供稳定的50%占空比时钟。采用基于锁存器的时钟门控电路来降低ODDB的功耗。采用半延迟线块引入延迟,采用粗延迟线和细延迟线设计。该架构使用Cadence NCSim进行模拟,并使用Cadence SoC Encounter对时钟进行了设置时间、保持时间和功耗优化。ODDB采用45纳米CMOS技术设计和实现,电源为1.1 V,并针对500MHz工作进行了优化。ODDB的功耗为40.6 μW,电池总面积为354.312 μm2。通过在ODDB中实现时钟门控特性,以14%的面积开销为代价实现了6%的功耗节省。改进的边缘合并器和插补器也使用45纳米FinFET技术(BSIM CMG)实现,与45纳米CMOS实现相比,功耗分别降低了19%和45%。
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引用次数: 4
Modified spray and wait routing in under water acostic communication for sensor network 改进了传感器网络水声通信中的喷雾和等待路由
S. Gupta, Abhishek Mathur
Underwater Wireless Sensor Networks are generally used to explore aquatic environment. In UWSN, discovering the region of sensor node is a major issue. Observed data is useful when sensor node is localized. There are various approaches present for locating the nodes in Wireless Sensor Network yet they are not as useful in UWSN. In this paper we have presented various approaches available for UWSN. In our proposed work we are organizing the sensor nodes in a fixed moving pattern so that the nodes move in a particular area, the pattern is organized in hexagon structure. Our results show that the implemented algorithm provides better results in terms of performance parameters.
水下无线传感器网络通常用于探索水生环境。在UWSN中,发现传感器节点的区域是一个重要的问题。当传感器节点被定位时,观测数据是有用的。在无线传感器网络中,定位节点的方法多种多样,但在UWSN中应用并不广泛。在本文中,我们提出了各种可用于UWSN的方法。在我们提出的工作中,我们将传感器节点组织成固定的移动模式,使节点在特定区域内移动,该模式以六边形结构组织。我们的结果表明,实现的算法在性能参数方面提供了更好的结果。
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引用次数: 1
Bio inspired congestion control mechanism for Wireless Sensor Networks 基于生物的无线传感器网络拥塞控制机制
M. S. Manshahia, M. Dave, S. Singh
Problem of Congestion in Wireless Sensor Network (WSN) is an area which draws attention of various researchers in recent years. The challenge lies in developing a model for routing which can find the optimized route on the basis of distance between source and destination and the residual energy of the node. Various models have been proposed and developed from time to time and their merits and demerits have been discussed. This paper shows an implementation of the Improved Bat Algorithm which is based on the echolocation of bats to control congestion in Wireless Sensor Networks at transport layer. Simulation results have shown that as the number of hops in the path of data transmission increases the Queue length is decreases. The Congestion in the network decreases as the packets are transferred through different routes rather than collecting on a single node. Two important factors such as network lifetime and throughput are also compared with CODA (Congestion Detection and Avoidance) and PSO (Particle Swarm Optimization) algorithm.
无线传感器网络中的拥塞问题是近年来国内外学者关注的一个热点问题。该问题的难点在于如何建立一个基于源目的地距离和节点剩余能量找到最优路由的路由模型。各种模型不断被提出和发展,并讨论了它们的优缺点。本文提出了一种基于蝙蝠回声定位的改进蝙蝠算法,用于无线传感器网络传输层的拥塞控制。仿真结果表明,随着数据传输路径上跳数的增加,队列长度减小。数据包通过不同的路由传输,而不是在单个节点上收集,从而减少了网络中的拥塞。并与CODA(拥塞检测与避免)和PSO(粒子群优化)算法比较了网络生存期和吞吐量这两个重要因素。
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引用次数: 11
A test-bed for habitat monitoring system using Wi-Fi in Wireless Sensor Networks 无线传感器网络中基于Wi-Fi的栖息地监测系统试验台
Avinash More, Sharad Wagh, Kedar Joshi
Wireless Sensor Networks (WSN's) recently has been proposed for several applications. WSN can be used for habitat and ecosystem monitoring, seismic monitoring, civil structure health monitoring and industrial process monitoring. Such applications may include stationary or mobile sensor nodes that can move in the intended area to achieve a certain objectives of networks. This paper presents the development of an experimental test-bed for real-world Habitat Monitoring System (HMS). Our system consists of stationary sensor nodes which are integrated with Wi-Fi network to acquire the remote physical environmental data. We have integrated temperature, humidity and light sensors in our Habitat Monitoring System for investigating the performance of our HMS test-bed. The proposed test-bed of Habitat Monitoring System (HMS) describes the data monitoring, data handling, data storing and database management system. However, by replacing the sensors the developed test-bed can also be used for air population, forest fire detection, health care monitoring and water quality monitoring.
无线传感器网络(WSN's)最近被提出用于几种应用。WSN可用于生境和生态系统监测、地震监测、土木结构健康监测和工业过程监测。这种应用可以包括固定的或移动的传感器节点,其可以在预定区域内移动以实现网络的某些目标。本文介绍了实际生境监测系统(HMS)实验试验台的研制。我们的系统由固定传感器节点组成,这些节点与Wi-Fi网络相结合,以获取远程物理环境数据。我们在栖息地监测系统中集成了温度、湿度和光传感器,用于研究HMS试验台的性能。提出的生境监测系统(HMS)试验台描述了数据监测、数据处理、数据存储和数据库管理系统。但是,通过更换传感器,开发的试验台也可用于空气人口、森林火灾探测、保健监测和水质监测。
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引用次数: 16
All digital phase locked loop with input clock fail detector 全数字锁相环,输入时钟故障检测器
T. Aswathi, P. Sathishkumar
All Digital Phase Locked Loops are widely used as clock generators in multiprocessor system on chips. An error detection system is crucial for such clock generators since it can be used to notify different processors to shut down so as to prevent the propagation of a faulty clock. In this work, an All Digital Phase Locked Loop with an improved input clock failure detector is presented. The All Digital Phase Locked Loop proposed in this paper is designed to operate from 61KHz to 42Mhz. A completely digital approach is used for the design. The design achieves lock in less than 5 reference cycles. The input clock fail detector circuit detects the loss of input signal and notifies the controller. Fault detection is possible at an early stage and hence, it takes only 2 Digitally Controlled Oscillator clock cycles for stuck at fault detection and 1 reference clock cycle for out of limit fault detection. Entire design is done in Verilog hardware description language and hence it is highly versatile. Synthesis is done using cadence RTL compiler.
全数字锁相环作为时钟发生器广泛应用于芯片上的多处理器系统。错误检测系统对于这样的时钟生成器至关重要,因为它可以用来通知不同的处理器关闭,以防止错误时钟的传播。在这项工作中,提出了一个改进的输入时钟故障检测器的全数字锁相环。本文提出的全数字锁相环工作频率为61KHz ~ 42Mhz。设计采用了完全数字化的方法。该设计在不到5个参考周期内实现锁定。输入时钟故障检测电路检测输入信号丢失并通知控制器。故障检测在早期阶段是可能的,因此,只需要2个数字控制振荡器时钟周期用于故障检测,1个参考时钟周期用于超出限制的故障检测。整个设计是在Verilog硬件描述语言中完成的,因此它是高度通用的。合成使用cadence RTL编译器完成。
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引用次数: 3
Fuzzy association rule mining using binary particle swarm optimization: Application to cyber fraud analytics 基于二元粒子群优化的模糊关联规则挖掘:在网络欺诈分析中的应用
Kshitij Tayal, V. Ravi
In this paper, we developed a Binary Particle Swarm Optimization (BPSO) based fuzzy association rule miner to generate fuzzy association rules from a transactional database by formulating a combinatorial global optimization problem, without pre-defining minimum support and confidence unlike other conventional association miners. Goodness of fuzzy association rules is measured by a fitness function viz., the product of support and confidence. So as to demonstrate the effectiveness of our method, we implemented it to phishing detection domain. Based on the goodness of the rules obtained, we infer that our proposed algorithm can be used as a sound alternative to the fuzzy apriori algorithm.
在本文中,我们开发了一个基于二进制粒子群优化(BPSO)的模糊关联规则挖掘器,通过制定一个组合全局优化问题从事务数据库生成模糊关联规则,而不像其他传统的关联挖掘器那样预先定义最小支持度和置信度。模糊关联规则的优度由适应度函数即支持度与置信度的乘积来度量。为了验证该方法的有效性,我们将其应用于网络钓鱼检测领域。基于所得到的规则的良好性,我们推断我们的算法可以作为模糊先验算法的一个很好的替代方案。
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引用次数: 4
Resource allocation for the Choice based Education System using Semantic Web 基于语义Web的基于选择的教育系统资源分配
A. Reddy, A. Govardhan
The objective of Resource allocation for the Choice based Education System using Semantic Web is to propose an implementation model for an agent software which acts as a bridge between different educational services, content-oriented intelligence and their semantic interoperation. This paper analyzes and identifies techniques necessary to develop an automatic choice based educational system for next generation to overcome human intervention. The different educational services such as course registration, examination module, schedules the courses, assessment of student and assessment of faculty need to be automated. It means that our system adopts a learning mechanism and provides the content - oriented intelligence and more semantic interoperation between these services and content. The paper proposes semantic web is realistic technology that supports to achieve such kind of flexibility.
基于语义Web的基于选择的教育系统资源分配的目标是提出一种代理软件的实现模型,代理软件作为不同教育服务、面向内容的智能及其语义互操作之间的桥梁。本文分析并确定了开发下一代基于自动选择的教育系统以克服人为干预所必需的技术。不同的教育服务,如课程注册、考试模块、课程安排、学生评估和教师评估需要自动化。这意味着我们的系统采用了一种学习机制,并提供了面向内容的智能和这些服务与内容之间更多的语义互操作。本文提出语义网是支持实现这种灵活性的现实技术。
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引用次数: 1
期刊
2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC)
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