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2012 12th International Conference on Intelligent Systems Design and Applications (ISDA)最新文献

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Binary and multiclass imbalanced classification using multi-objective ant programming 基于多目标蚁群规划的二值和多类不平衡分类
J. L. Olmo, Alberto Cano, J. Romero, Sebastián Ventura
Classification in imbalanced domains is a challenging task, since most of its real domain applications present skewed distributions of data. However, there are still some open issues in this kind of problem. This paper presents a multi-objective grammar-based ant programming algorithm for imbalanced classification, capable of addressing this task from both the binary and multiclass sides, unlike most of the solutions presented so far. We carry out two experimental studies comparing our algorithm against binary and multiclass solutions, demonstrating that it achieves an excellent performance for both binary and multiclass imbalanced data sets.
不平衡领域的分类是一项具有挑战性的任务,因为它的大多数实际领域应用都存在倾斜的数据分布。然而,在这类问题中仍有一些悬而未决的问题。本文提出了一种基于多目标语法的非平衡分类蚁群算法,与目前提出的大多数解决方案不同,它能够从二元和多类两个方面解决这一问题。我们进行了两个实验研究,将我们的算法与二进制和多类解决方案进行了比较,表明它在二进制和多类不平衡数据集上都取得了出色的性能。
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引用次数: 7
A biology-based template-matching framework 基于生物学的模板匹配框架
Hélio Perroni Filho, A. D. Souza
The multichannel model is a complete reassessment of how neurons work at the biochemical level. Its results can be extended into an overarching theory of how vision, memory and cognition come to be in the living brain. This article documents a first attempt at testing the model's validity, by applying its principles to the construction of an image template-matching framework, which is then used to solve a Graphical User Interface (GUI) automation problem. It is found that the template-matching application thus implemented can consistently locate required visual controls, even when template and match differ by color palette or (to a slighter degree) feature proportion. The article concludes by discussing the significance of these results and directions for further research.
多通道模型是对神经元如何在生化水平上工作的一个完整的重新评估。它的结果可以扩展成一个关于视觉、记忆和认知如何在活的大脑中形成的总体理论。本文记录了测试模型有效性的第一次尝试,方法是将其原理应用于图像模板匹配框架的构建,然后使用该框架解决图形用户界面(GUI)自动化问题。结果发现,这样实现的模板匹配应用程序可以始终如一地定位所需的视觉控件,即使模板和匹配因调色板或(在较小程度上)特征比例而不同。文章最后讨论了这些结果的意义和进一步研究的方向。
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引用次数: 1
Congestion control by dynamic sharing of bandwidth among vehicles in VANET VANET中车辆间动态共享带宽的拥塞控制
Trishita Ghosh, S. Mitra
The wireless access in vehicular environment system is developed for enhancing the driving safety and comfort of automotive users. However, such system suffers from quality of service degradation for safety applications caused by the channel congestion in scenarios with high vehicle density. The present work is a congestion control mechanism in vehicular ad-hoc network. It supports the communication of safe and unsafe messages among vehicles and infrastructure. Each node maintains a control queue to store the safe messages and a service queue to store the unsafe messages. The control channel is used for the transmission of safe messages and service channel is used for the transmission of unsafe messages. Each node computes its own priority depending upon the number of waiting messages in control queue and service queue. Each node reserves a fraction of control channel and service channel dynamically depending upon the number of waiting messages in its queue. The unsafe messages at a node may also be transmitted using control channel provided the control channel is free and service channel is overloaded which helps to reduce the loss of unsafe message at a node which in turn reduces the congestion level of a node and also improves its quality of service. The available bandwidth is also distributed among the nodes dynamically depending upon their priority. The performance of the proposed scheme is evaluated on the basis of average loss of unsafe message, average delay in safe and unsafe message, storage overhead per node.
车载环境无线接入系统是为了提高汽车用户的行车安全性和舒适性而开发的。然而,在车辆密度较大的情况下,由于通道拥塞导致安全应用的服务质量下降。本文研究的是车辆自组织网络中的拥塞控制机制。它支持在车辆和基础设施之间传递安全和不安全信息。每个节点维护一个控制队列来存储安全消息,维护一个服务队列来存储不安全消息。控制通道用于安全消息的传输,业务通道用于不安全消息的传输。每个节点根据控制队列和服务队列中等待消息的数量计算自己的优先级。每个节点根据其队列中等待消息的数量动态地保留一部分控制通道和服务通道。在控制通道空闲且服务通道过载的情况下,也可以使用控制通道传输节点上的不安全消息,这有助于减少节点上不安全消息的丢失,从而降低节点的拥塞水平并提高其服务质量。可用带宽也根据节点的优先级在节点之间动态分配。根据不安全消息的平均损失、安全和不安全消息的平均延迟以及每个节点的存储开销来评估该方案的性能。
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引用次数: 26
Evaluating the effects of K-means clustering approach on medical images 评价k -均值聚类方法对医学图像的影响
Hossam M. Moftah, Walaa H. Elmasry, Nashwa El-Bendary, A. Hassanien, K. Nakamatsu
Image segmentation is an essential process for most analysis tasks of medical images. That's because having good segmentation results is useful for both physicians and patients via providing important information for surgical planning and early disease detection. This paper aims at evaluating the performance of the K-means clustering algorithm. To achieve this, we applied the K-means approach on different medical images including liver CT and breast MRI images. Experimental results obtained show that the overall segmentation accuracy offered by the K-means approach is high compared to segmentation accuracy by the well-known normalized cuts segmentation approach.
图像分割是大多数医学图像分析任务的基本步骤。这是因为通过为手术计划和早期疾病检测提供重要信息,良好的分割结果对医生和患者都很有用。本文旨在评价k均值聚类算法的性能。为了实现这一点,我们将K-means方法应用于不同的医学图像,包括肝脏CT和乳房MRI图像。实验结果表明,与常用的归一化分割方法相比,K-means方法的整体分割精度更高。
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引用次数: 4
A hybrid intelligent system for recovery and performance evaluation after 一种用于恢复和性能评估的混合智能系统
S. M. N. Arosha Senanayake, O. A. Malik, M. Petra, Dansih Zaheer
This paper presents a hybrid intelligent system for recovery and performance evaluation of athletes after anterior cruciate ligament (ACL) injury/reconstruction. The fuzzy logic and case based reasoning approaches have been combined to build an assistive tool for sports trainers, coaches and clinicians for maintaining athletes' profile, monitoring progress of recovery, classifying recovery status and adjusting the recovery protocols for individuals. The kinematics and neuromuscular data are collected for subjects after ACL injury/reconstruction using self adjusted body-mounted wireless sensors Upon feature extraction and transformation using principal component analysis, the fuzzy clustering with automatic detection of clusters is employed to group the data according to current recovery status. A knowledge base has been designed to store subjects' profiles, recovery sessions' data and problem/solution pairs. The recovery classification and selection of similar cases has been done using fuzzy k-nearest neighbor (f-knn) and cosine similarity measure. Once relevant cases are selected, adaptation is performed and the performance evaluation will be done. The proposed system has been tested on a group of healthy and post-operated athletes and the classification accuracy of the system is found to be more than 94% using leave-one out cross validation method for walking/running activity.
本文介绍了一种用于运动员前交叉韧带(ACL)损伤/重建后恢复和性能评估的混合智能系统。将模糊逻辑和基于案例的推理方法相结合,为运动训练师、教练员和临床医生提供了一个辅助工具,用于维护运动员的个人资料,监测康复进展,分类康复状态和调整个人康复方案。利用自调式车载无线传感器采集被试ACL损伤/重建后的运动学和神经肌肉数据,利用主成分分析进行特征提取和变换后,采用自动检测聚类的模糊聚类方法,根据当前恢复状态对数据进行分组。已经设计了一个知识库来存储受试者的配置文件、恢复会话的数据和问题/解决方案对。利用模糊k近邻(f-knn)和余弦相似度测度对相似案例进行恢复分类和选择。一旦选定相关案例,进行适配并进行绩效评估。所提出的系统已在一组健康和术后运动员身上进行了测试,使用留一交叉验证方法对步行/跑步活动进行分类,发现系统的分类准确率超过94%。
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引用次数: 4
LoG-DEM: Log Gabor filter and Dominant Eigen Map approaches for moving object detection and Log - dem:用于运动目标检测的Log Gabor滤波和显性特征图方法
Gopalakrishna M T, M. Ravishankar, D. Babu
In recent years, the numbers of Visual Surveillance systems have greatly increased, and these systems have developed into intellectual systems that automatically detect, track, and recognize objects in video. Automatic moving object detection and tracking is a very challenging task in video surveillance applications. In this regard, many methods have been proposed for Moving Object Detection and Tracking based on edge, color, texture information. Due to unpredictable characteristics of objects in foggy videos, the task of object detection remains a challenging problem. In this paper, we propose a novel scheme for moving object detection based on Log Gabor filter (LGF) and Dominant Eigen Map (DEM) approaches. Location of the moving object is obtained by performing connected component analysis. In turn, a Moving Object is Tracked based on the centroid manipulation. Number of experiments is performed using indoor and outdoor video sequences. The proposed method is tested on standard PETS datasets and many real time video sequences. Results obtained are satisfactory and are compared with existing well known traditional methods.
近年来,视觉监控系统的数量大大增加,这些系统已经发展成为自动检测、跟踪和识别视频中的物体的智能系统。在视频监控应用中,运动目标的自动检测和跟踪是一项非常具有挑战性的任务。在这方面,已经提出了许多基于边缘、颜色、纹理信息的运动目标检测和跟踪方法。由于雾天视频中目标的不可预测性,目标检测一直是一个具有挑战性的问题。本文提出了一种基于Log Gabor滤波(LGF)和优势特征图(DEM)方法的运动目标检测新方案。通过连通分量分析得到运动物体的位置。然后,根据质心操作跟踪移动对象。利用室内和室外视频序列进行了多次实验。在标准pet数据集和大量实时视频序列上对该方法进行了测试。所得结果令人满意,并与现有的传统方法进行了比较。
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引用次数: 2
Stereo matching with VG-RAM Weightless Neural Networks 基于VG-RAM失重神经网络的立体匹配
L. Veronese, Lauro Jose Lyrio Junior, Filipe Wall Mutz, Jorcy de Oliveira Neto, Vitor Barbirato
Virtual Generalizing Random Access Memory Weightless Neural Networks (VG-RAM WNN) is an effective machine learning technique that offers simple implementation and fast training and test. We examined the performance of VG-RAM WNN on binocular dense stereo matching using the Middlebury Stereo Datasets. Our experimental results showed that, even without tackling occlusions and discontinuities in the stereo image pairs examined, our VG-RAM WNN architecture for stereo matching was able to rank at 114th position in the Middlebury Stereo Evaluation system. This result is promising, because the difference in performance among approaches ranked in distinct positions is very small.
虚拟泛化随机存取记忆无重神经网络(VG-RAM WNN)是一种有效的机器学习技术,具有实现简单、训练和测试快速等特点。我们使用Middlebury立体数据集测试了VG-RAM小波神经网络在双目密集立体匹配中的性能。我们的实验结果表明,即使没有处理所检查的立体图像对中的遮挡和不连续性,我们的用于立体匹配的VG-RAM WNN架构也能够在Middlebury立体评估系统中排名第114位。这个结果是有希望的,因为在不同位置排名的方法之间的性能差异非常小。
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引用次数: 1
DWT-DCT-SVD based blind watermarking technique of gray image in electrooculogram signal 基于DWT-DCT-SVD的眼电信号灰度图像盲水印技术
N. Dey, D. Biswas, A. B. Roy, Achintya Das, S. S. Chaudhuri
At present most of the hospitals and diagnostic centers globally, use wireless media to exchange biomedical information for mutual availability of therapeutic case studies. The required level of security and authenticity for transmitting biomedical information through the internet is quite high. Level of security can be increased; authenticity of the information can be verified and control over the copy process can be ascertained by adding watermark as “ownership” information in multimedia content. In this proposed method different types of gray scale biomedical images can be used as added ownership (watermark) data. Electrooculography is a medical test used by the ophthalmologists for monitoring eyeball movement in Rapid Eye Movement (REM) and non-REM sleep, to detect the disorders of human eyes and to measure the resting potential of the eye. In this present work 1-D EOG signal is transformed into 2-D signal. DWT, DCT, SVD are applied on the transformed 2D signal to embed watermark in it. Extraction of watermark image is done by applying inverse DWT, inverse DCT and SVD. The Peak Signal to Noise Ratio (PSNR) of the original EOG signal vs. watermarked signal and the correlation value between the original and extracted watermark image are calculated to prove the efficacy of the proposed method.
目前,全球大多数医院和诊断中心都使用无线媒体交换生物医学信息,以相互提供治疗病例研究。通过互联网传输生物医学信息对安全性和真实性的要求相当高。安全级别可以提高;通过在多媒体内容中添加水印作为“所有权”信息,可以验证信息的真实性,并确定对复制过程的控制。在该方法中,可以使用不同类型的灰度生物医学图像作为添加所有权(水印)数据。眼电描记术是眼科医生在快速眼动(REM)和非快速眼动(non-REM)睡眠中监测眼球运动的一种医学测试,用于检测人眼的紊乱和测量眼睛的静息电位。在本研究中,将1-D eeg信号转换为2-D信号。对变换后的二维信号进行小波变换、离散余波变换、奇异值分解,并在其中嵌入水印。利用反DWT、反DCT和奇异值分解对水印图像进行提取。计算原始EOG信号与水印信号的峰值信噪比(PSNR)以及原始水印图像与提取水印图像的相关值,证明了该方法的有效性。
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引用次数: 43
WSDL-TC: Collaborative customization of web services WSDL-TC: web服务的协作定制
H. Banati, Punam Bedi, P. Marwaha
Nowadays, companies recognize the need to be customer driven by providing superior service to satisfy customers' needs. But as customers and their needs grow increasing diverse, unnecessary cost and complexity are inevitably added to operations. Service providers discovered the new frontier in business competition: “Collaborative Customization.” This approach follows three steps: first to conduct a dialogue with individual customers to help them articulate their needs; second, to identify the precise offering that fulfills those needs; and third, to make customized products for them. Web services deployed over the Web are accessible to a wider user base. Web services are designed and contracted to meet the need of large number of users. Many a times, multiple customizations of the base functionality is required to cater the need of multiple set of users. This forces service provider to deploy multiple Web services customized for each set of users, which results in increasing cost of infrastructure and maintenance. Since, multiple versions of customized Web services are deployed multiple times at different URLs, it is difficult and costlier to maintain, update and backup these services and their data. The objective of this work is to reduce the efforts and cost that resulted due to these multiple versions of the Web Services. We have extended WSDL and WSDL-T to WSDL-TC that aims at reducing the cost by maintaining the different collaborative customized versions of operations of the Web service in a single deployment. The approach also manages access control of these operations to their respective groups. WSDL-TC being an extension of WSDL-T is capable of managing versions of each customized operation that resulted due to the changes in their business requirements over a period of time. The paper presents an example of hotel reservation web service to present WSDL-TC approach. WSDL-TC also eases the task of web service administrators as they have to manage the single instance instead of multiple instances of a Web service. Moreover, WSDL-TC based services when deployed in the cloud environment may help in achieving greater degree of multi-tenancy further reducing the cost for service producers.
如今,公司认识到需要以客户为导向,提供优质的服务来满足客户的需求。但是,随着客户及其需求的日益多样化,运营中不可避免地增加了不必要的成本和复杂性。服务提供商发现了商业竞争的新前沿:“协同定制”。这种方法遵循三个步骤:首先与个别客户进行对话,帮助他们阐明自己的需求;其次,确定满足这些需求的精确产品;第三,为他们定制产品。通过Web部署的Web服务可供更广泛的用户群访问。Web服务是为满足大量用户的需求而设计的。很多时候,需要对基本功能进行多次自定义,以满足多组用户的需求。这迫使服务提供者为每组用户部署多个定制的Web服务,从而增加了基础设施和维护的成本。由于定制Web服务的多个版本在不同的url上多次部署,因此维护、更新和备份这些服务及其数据变得困难且成本更高。这项工作的目标是减少由于这些Web服务的多个版本而产生的工作量和成本。我们已经将WSDL和WSDL- t扩展到WSDL- tc,目的是通过在单个部署中维护Web服务操作的不同协作定制版本来降低成本。该方法还管理这些操作对各自组的访问控制。WSDL-TC是WSDL-T的扩展,能够管理由于一段时间内业务需求的变化而导致的每个自定义操作的版本。本文以酒店预订web服务为例,介绍了WSDL-TC方法。WSDL-TC还简化了web服务管理员的任务,因为他们必须管理单个实例而不是web服务的多个实例。此外,当部署在云环境中时,基于WSDL-TC的服务可能有助于实现更大程度的多租户,从而进一步降低服务生产者的成本。
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引用次数: 8
Multiobjective optimization of green sand mould system using DE and GSA 基于DE和GSA的绿砂型系统多目标优化
T. Ganesan, P. Vasant, I. Elamvazuthi, K. Shaari
Most optimization cases in recent times present themselves in a multi-objective (MO) setting. Hence, it is vital for the decision maker (DM) to have in hand multiple solutions prior to selecting the best solution. In this work, the weighted sum scalarization approach is used in conjunction with two meta-heuristic algorithms; differential evolution (DE) and gravitational search algorithm (GSA). These methods are then used to generate the approximate Pareto frontier to the green sand mould system problem. Some comparative studies were then carried out with the algorithms in this work and that from the previous work. Examinations on the performance and the quality of the solutions obtained by these algorithms are shown here.
最近的大多数优化案例都是在多目标(MO)设置中出现的。因此,对于决策者(DM)来说,在选择最佳解决方案之前掌握多个解决方案是至关重要的。在这项工作中,加权和标量化方法与两种元启发式算法结合使用;差分进化(DE)和引力搜索算法(GSA)。然后利用这些方法生成绿砂型系统问题的近似Pareto边界。然后将本工作中的算法与先前工作中的算法进行了一些比较研究。本文给出了对这些算法的性能和解的质量的检验。
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引用次数: 3
期刊
2012 12th International Conference on Intelligent Systems Design and Applications (ISDA)
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