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2013 3rd IEEE International Advance Computing Conference (IACC)最新文献

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Gray level enhancement to emphasize less dynamic region within image using genetic algorithm 利用遗传算法对图像进行灰度增强,以强调图像中动态程度较低的区域
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514393
Archana, Akhilesh Verma, Savita Goel, N. Kumar
Contrast enhancement plays an important role in image processing system. Enhancement is used to improve the appearance of an image and make it easier for visual interpretation, understanding and analysis of an image. Linear stretching and histogram equalization are the most common methods that are used for contrast enhancement, but the image that is enhanced by linear stretching or histogram equalization has bright and unnatural contrast. So we proposed a method that is based on genetic algorithm. This method enhances an image with natural contrast. In local contrast enhancement image can be enhanced using four parameters `a', `b', `c' and `k', where `a', `b', `c' and `k' are constants. We proposed a method in that the goal of contrast enhancement is achieved using these parameters with the new extension in their range. Local contrast enhancement increases the gray level of original image on the bases of light and dark edges. This proposed method has applied on m×n size of an original gray scale image. The local mean and local standard deviation of entire image, minimum value and maximum value of the image are used to statistically characterize digital image.
对比度增强在图像处理系统中起着重要的作用。增强是用来改善图像的外观,使其更容易在视觉上解释、理解和分析图像。线性拉伸和直方图均衡化是对比度增强最常用的方法,但通过线性拉伸或直方图均衡化增强的图像具有明亮和不自然的对比度。因此,我们提出了一种基于遗传算法的方法。这种方法增强了具有自然对比度的图像。在局部对比度增强图像中,可以使用a、b、c、k四个参数进行增强,其中a、b、c、k为常量。我们提出了一种利用这些参数在其范围内进行新的扩展来实现对比度增强目标的方法。局部对比度增强是在明暗边缘的基础上提高原始图像的灰度。该方法对原始灰度图像的m×n大小进行了应用。利用整幅图像的局部均值和局部标准差、图像的最小值和最大值对数字图像进行统计表征。
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引用次数: 30
The analysis of AODV, based on mobility model 基于流动性模型的AODV分析
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514266
A. Shukla, C. Jha, N. Saxena, S. K. Biswash
Wireless communication system is gaining to much attention for reliable communication. One of modern communication system is Mobile Ad-Hoc Networks (MANET) and it has several routing protocols for communication. The AODV is the one of efficient protocol for the MANET. In this paper we are proposing a novel technique for modeling for AODV routing protocol. The proposed technique is based on the Markov random walk model. Here we calculate the probability distribution for the several operations for efficient communication. This analysis is helpful to understand the dependency of the various factor over the AODV and it impact on QoS. Its effectiveness and efficiency has been checked by various parameters and further analyzed for the reliability and scalability.
无线通信系统因其可靠的通信而受到越来越多的关注。现代通信系统之一是移动自组织网络(MANET),它具有多种通信路由协议。AODV是一种高效的自组网协议。本文提出了一种新的AODV路由协议建模技术。该方法基于马尔可夫随机漫步模型。这里我们计算了几种有效通信操作的概率分布。这种分析有助于理解各种因素对AODV的依赖性及其对QoS的影响。通过各种参数验证了其有效性和效率,并进一步分析了其可靠性和可扩展性。
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引用次数: 10
Improved data availability and fault tolerance in MANET by replication 通过复制改进了MANET中的数据可用性和容错性
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514244
C. Chandrakala, K. Prema, K. Hareesha
Unreliable wireless communication, mobility of network participants and limited resource capabilities of mobile devices make conventional replication techniques non suitable for MANETs. Frequent network partitions and dynamic disconnection should be handled to improve data availability. In this paper, a novel node failure fault tolerant data replication strategy is proposed. Main objective is to improve data accessibility among a mission critical mobility group. It ensures persistent data availability by duplicating data over replica nodes. The algorithm is designed to operate in environments with node failures. The proposed replica allocation methodology takes care of data availability values in the presence of node failures with mobile nodes remaining energy and storage capacity. Performance of the proposed approach is analyzed in terms of data availability and is demonstrated by simulations.
无线通信不可靠、网络参与者的移动性和移动设备有限的资源能力使得传统的复制技术不适合用于manet。应该处理频繁的网络分区和动态断开,以提高数据可用性。提出了一种新的节点故障容错数据复制策略。主要目标是提高关键任务移动组的数据可访问性。它通过在副本节点上复制数据来确保持久的数据可用性。该算法设计用于在节点故障的环境下运行。所提出的副本分配方法在移动节点剩余能量和存储容量存在节点故障的情况下照顾数据可用性值。从数据可用性的角度分析了该方法的性能,并通过仿真进行了验证。
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引用次数: 7
A conceptual framework for personalized location-based Services (LBS) tourism mobile application leveraging semantic web to enhance tourism experience 一个基于位置服务(LBS)的个性化旅游移动应用的概念框架,利用语义网络来提升旅游体验
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514237
Fadhlun Mohamed Mahmood, Zailan Arabee bin Abdul Salam
Mobile location-based tourism applications provide guidance to the tourist on the move based on their preferences and context such as time and location. These applications depend heavily on the GPS which is used to determine the user location so as to deliver information that takes into account user preferences and context. However, the delivery of information that is relevant to the user in terms of their preferences and their contextual condition seem to be lacking in most of the applications. Semantic web technologies provide an opportunity to develop more intelligent location-based applications that would enable the delivery of information that is more accurate and relevant to the user. Thus, the objectives are; (1) to identify the benefits of leveraging semantic web technologies on the framework (2) to identify the techniques used to provide personalized activities recommendations based on the user preferences. (3) to identify the methods used to build user profile that contains user preferences. (4) to identify the key location-based component that needs to be integrated in the framework. A conceptual framework for personalized mobile location-based tourism apps leveraging semantic web to enhance tourism experience is proposed.
基于移动位置的旅游应用程序根据游客的偏好和环境(如时间和地点)为他们提供指导。这些应用程序在很大程度上依赖于GPS, GPS用于确定用户位置,以便提供考虑到用户偏好和上下文的信息。然而,在大多数应用程序中,似乎缺乏与用户的偏好和上下文条件相关的信息传递。语义web技术为开发更智能的基于位置的应用程序提供了机会,这些应用程序将能够提供对用户更准确和相关的信息。因此,目标是;(1)确定在框架上利用语义web技术的好处(2)确定用于根据用户偏好提供个性化活动推荐的技术。(3)识别用于构建包含用户偏好的用户配置文件的方法。(4)识别需要在框架中集成的基于位置的关键组件。提出了一种利用语义网增强旅游体验的个性化移动位置旅游应用的概念框架。
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引用次数: 23
A high performance D-flip flop design with low power clocking system using MTCMOS technique 基于MTCMOS技术的高性能d触发器低功耗时钟系统设计
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514453
P. Dobriyal, K. Sharma, M. Sethi, G. Sharma
Power consumption plays an important role in any integrated circuit and is listed as one of the top three challenges in International technology roadmap for semiconductors. In any integrated circuit, clock distribution network and flip -flop consumes large amount of power as they make maximum number of internal transitions. In this paper, various techniques for implementing flip-flops with low power clocking system are analyzed. Among those techniques clocked pair shared flip-flop (CPSFF) consume least power than conditional data mapping flip flop (CDMFF), conditional discharge flip flop (CDFF) and conventional double edge triggered flip-flop (DEFF). We propose a novel CPSFF using Multi-Threshold voltage CMOS (MTCMOS) technique which reduces the power consumption by approximately 20% to 70% than the original CPSFF. In addition, to build a clocking system, double edge triggering and low swing clocking can be easily incorporated into the new flip-flop.
功耗在任何集成电路中都扮演着重要的角色,在国际半导体技术路线图中被列为三大挑战之一。在任何集成电路中,时钟分配网络和触发器由于其内部转换次数最多而消耗大量的功率。本文分析了在低功耗时钟系统中实现触发器的各种技术。在这些技术中,时钟对共享触发器(CPSFF)比条件数据映射触发器(CDMFF)、条件放电触发器(CDFF)和传统的双边触发触发器(DEFF)功耗最低。我们提出了一种使用多阈值电压CMOS (MTCMOS)技术的新型CPSFF,其功耗比原始CPSFF降低了约20%至70%。此外,为了构建时钟系统,可以很容易地将双边触发和低摆幅时钟集成到新的触发器中。
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引用次数: 20
An efficient goal oriented risk analysis in requirement engineering 需求工程中有效的目标导向风险分析
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514429
K. Sharma, P. V. Kumar
In the field of software engineering, the requirement engineering is getting special attention as it is based on the stakeholder's interests. The main factors that a requirement engineering process considers are business requirements and user requirements. The requirements are used to enhance the development of the software product with low cost and the time it should satisfy all the requirements. We developed a modified Tropos goal model, in which the evidence of satisfaction and denial of the goal is calculated from the likelihood of the events corresponding to the goals. Relations are defined between multiple goals and events, which define the importance of a particular goal. The event may be considered as a risk according to their likelihood value. So the inter relation values of the goals and events gives the impact of that event on the particular goal. In order to analyze the risk in achieving some particular goals, a set of candidate solutions are generated. The candidate solutions are evaluated on the basis of a risk affinitive value of the goals according to their events. The risk affinitive value is calculated from the different set of risk parameters, which is set like high, medium and low. The risk parameters clearly evaluate the affinity of that event to a particular set of goals. This parameter reduces the limitation in the previous work, like occurrence of same cost to risk values. According to the proposed approach distinct cost to risk values are achieved. Finally, the candidate solutions with low cost are selected.
在软件工程领域,需求工程因其基于涉众的利益而备受关注。需求工程过程考虑的主要因素是业务需求和用户需求。需求是用来提高软件产品开发的低成本和时间,它应该满足所有的需求。我们开发了一个改进的Tropos目标模型,其中目标的满足和拒绝的证据是根据与目标对应的事件的可能性来计算的。关系是在多个目标和事件之间定义的,它定义了特定目标的重要性。该事件可根据其可能性值被视为风险。所以目标和事件的相互关联值给出了事件对特定目标的影响。为了分析实现某些特定目标的风险,生成了一组候选解决方案。候选解决方案根据其事件的目标的风险亲和性值进行评估。风险亲和值由不同的风险参数集计算得出,风险参数集设置为高、中、低。风险参数清楚地评估了该事件与一组特定目标的关联。此参数减少了之前工作中的限制,例如相同风险值成本的出现。根据所提出的方法,获得了不同的风险成本值。最后,选取成本较低的候选解。
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引用次数: 4
Quadrature band and penta-band MIMO antenna by mutually coupling non-radiating edges 正交带和五带MIMO天线相互耦合的非辐射边
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514220
V. Mapare, S. Mapare, G. Sarate
A rectangular microstrip antenna for quadrature band and penta-band is developed using a mutual coupling technique. Single rectangular microstrip is splitted into multiple resonators along the width and gap coupled to non-radiating edges. The proposed structure gives sufficient separation between the operating frequencies for quadrature band and penta-band. It covers the frequency range from 1900 MHz to 3 GHz covering Universal Mobile Telecommunication System (UMTS, 1920-2170 MHz), Wireless Local Area Network (WLAN, 2400-2483.5 MHz) and low band Worldwide Interoperability for Microwave Access (WIMAX, 2.5 to 2.8 GHz). Simulation results are presented and discussed.
采用互耦技术,研制了一种可用于正交带和五波段的矩形微带天线。单个矩形微带沿着与非辐射边缘耦合的宽度和间隙分裂成多个谐振器。所提出的结构在正交频带和五频带的工作频率之间提供了充分的分离。它涵盖了从1900 MHz到3 GHz的频率范围,涵盖了通用移动电信系统(UMTS, 1920-2170 MHz),无线局域网(WLAN, 2400-2483.5 MHz)和微波接入的低频段全球互操作性(WIMAX, 2.5至2.8 GHz)。给出了仿真结果并进行了讨论。
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引用次数: 1
Hybrid detection of convex curves for biometric authentication using tangents and secants 基于切线和割线的生物特征认证凸曲线混合检测
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514323
K. Usha, M. Ezhilarasan
In this paper a new authentication system using Finger Knuckle Surface is examined. This introduces a personal authentication system that can simultaneously extract and exploit Finger back Knuckle surface geometrical features. Unlike, existing work on hand and finger geometrical methods which mainly concentrates of features extraction and recognition, this methods experiments with subsets of extracted feature to achieve better performance by exploiting less number of features. This is achieved by the determination of hybrid convex curves from the finger back knuckle surface. From the identified feature curves, the subset of the features like Knuckle edge points and knuckle tip points were identified. From these identified contours, geometrical structures like tangents and secants were constructed to obtain feature information in terms of angle. This method reduces critical problems that arise due to the extraction of more number of features. Also reduces the computational complexity of the feature extraction and recognition process.
本文研究了一种新的基于指关节面的认证系统。介绍了一种能够同时提取和利用指关节表面几何特征的个人认证系统。与现有的手和手指几何方法主要集中于特征提取和识别不同,该方法利用提取的特征子集进行实验,利用较少的特征数量来获得更好的性能。这是通过测定手指后指关节表面的混合凸曲线实现的。从识别的特征曲线中,识别出指关节边缘点和指关节尖端点等特征子集。从这些识别的轮廓出发,构造切线和割线等几何结构,以角度为单位获取特征信息。这种方法减少了由于提取更多特征而产生的关键问题。也降低了特征提取和识别过程的计算复杂度。
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引用次数: 6
Efficient data forwarding techniques in Wireless Sensor Networks 无线传感器网络中的高效数据转发技术
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514268
Z. Rehena, S. Roy, N. Mukherjee
Energy consumption is the key design criterion for routing data in WSN. However, some applications of WSN like disaster management, battlefield control etc. demand fast data delivery. In this paper, three data forwarding techniques are proposed. Here, the source nodes or intermediate nodes select a next node to forward the data to the destination based on different criteria. The process repeats until data reach the destination. In the first technique, neighbor node nearer to the sink is chosen considering its distance from sink node as a criterion. In the second technique remaining energy of the neighboring nodes is used as a criterion to select the next node. The combination of these two criteria is considered in the third technique based on Multiple Criteria Decision Analysis. A comparative study of the performance of these techniques has been carried out and results are presented in this paper.
能量消耗是无线传感器网络中数据路由设计的关键准则。然而,在灾害管理、战场控制等应用中,无线传感器网络需要快速的数据传输。本文提出了三种数据转发技术。在这里,源节点或中间节点根据不同的标准选择下一个节点来将数据转发到目的地。这个过程不断重复,直到数据到达目的地。在第一种技术中,以距离汇聚节点的距离为标准,选择距离汇聚节点较近的邻居节点。在第二种技术中,将相邻节点的剩余能量作为选择下一个节点的准则。基于多标准决策分析的第三种技术考虑了这两个标准的组合。本文对这些技术的性能进行了比较研究,并给出了结果。
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引用次数: 10
Graph colouring based multi pin net detailed routing for FPGA using SAT 基于图形着色的FPGA多引脚网详细路由
Pub Date : 2013-05-13 DOI: 10.1109/IADCC.2013.6514241
S. Mukherjee, S. Roy
A SAT based detailed routing technique for island style FPGA architecture is presented in this paper. This technique uses the graph-colouring paradigm to propose a routing technique which routes multiple nets without decomposing them into 2-pin subnets for simplicity. In spite of this fact, the technique proposed proves to be efficient and scalable since it leverages the computing power of fast SAT solvers running in the back end, as shown by the experiments on benchmark circuits.
提出了一种基于SAT的岛式FPGA详细路由技术。该技术使用图形着色范式提出了一种路由技术,该技术可以路由多个网络,而无需将它们分解为简单的2引脚子网。尽管如此,正如在基准电路上的实验所表明的那样,所提出的技术被证明是高效和可扩展的,因为它利用了在后端运行的快速SAT求解器的计算能力。
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引用次数: 9
期刊
2013 3rd IEEE International Advance Computing Conference (IACC)
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