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2017 International Conference on Soft Computing and its Engineering Applications (icSoftComp)最新文献

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Neuroevolution for effective information security training 有效信息安全训练的神经进化
Kushal Anjaria, Arun Mishra
Information security related training is extremely important nowadays for various organizations. But for the trainer, it is difficult to know the existing skill levels of trainees in information security area and their expectations from the training. As a result, to decide the time allocation for each level of training also becomes a difficult task for the trainer. To solve this challenge, present work proposes neuroevolution based algorithm. The algorithm can also be useful for online training or web service/mobile app based training. The trainer needs to execute the algorithm in pre-training time and based on the result he/she can adjust or modify training content and time allocation for each training level.
如今,信息安全相关的培训对各种组织来说都是极其重要的。但是对于培训者来说,很难从培训中了解受训人员在信息安全领域的现有技能水平和期望。因此,决定每个级别的培训时间分配也成为培训师的一个难题。为了解决这一挑战,目前的工作提出了基于神经进化的算法。该算法也可用于在线培训或基于web服务/移动应用程序的培训。培训师需要在预训练时间内执行该算法,并根据执行结果调整或修改每个训练级别的训练内容和时间分配。
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引用次数: 1
Automated system for Brain tumour detection and classification using eXtreme Gradient Boosted decision trees 使用极端梯度增强决策树的脑肿瘤检测和分类自动化系统
Tushar Kant Mudgal, Aditya Gupta, Siddhant U. Jain, Kunal Gusain
This Brain tumor detection and classification is an intrinsic part of any diagnostic system and has witnessed extensive research and procedural advancement over time. The complexity of brain as an organ features to be identified, the presence of noise, poor contrast and intensity inhomogeneity in the images, efficient feature extraction, and accurate classification necessitates the development of an efficacious automated system. We propose a novel automated approach for detection and classification, using the Modified K-Means Clustering algorithm with Mean Shift Segmentation for pre-processing magnetic resonance images (MRI). Detection is done using Marker-Controlled Watershed Transform, and Gray-Level Co-Occurrence Matrix (GLCM) is used for feature extraction. For classification, we use the new and improved version of Gradient Boosted Machines (GBM) called eXtreme GBMs. Implemented using the XGBoost library, this supervised learning model has shown more accurate results and in lesser times, it is being used widely by data scientists and gives state of the art solutions.
这种脑肿瘤检测和分类是任何诊断系统的内在组成部分,随着时间的推移,它见证了广泛的研究和程序的进步。脑作为一个器官特征识别的复杂性,图像中存在噪声,对比度差和强度不均匀性,有效的特征提取和准确的分类需要开发一个有效的自动化系统。我们提出了一种新的自动检测和分类方法,使用改进的K-Means聚类算法和Mean Shift分割来预处理磁共振图像(MRI)。采用标记控制分水岭变换进行检测,灰度共生矩阵(GLCM)进行特征提取。对于分类,我们使用新的和改进版本的梯度增强机(GBM),称为eXtreme GBM。使用XGBoost库实现,这种监督学习模型显示了更准确的结果,并且在更短的时间内被数据科学家广泛使用,并提供了最先进的解决方案。
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引用次数: 9
Machine learning approaches for breast cancer diagnosis and prognosis 乳腺癌诊断和预后的机器学习方法
Ayush Sharma, Sudhanshu Kulshrestha, S. Daniel
For breast cancer diagnosis in patients, radiologists conduct Fine Needle Aspirate (FNA) procedure of breast tumor. This procedure reveal features such as tumor radius, concavity, texture and fractal dimensions. These features are further studied by medical experts to classify tumor as Benign or Malignant. The cardinal aim of this paper is to predict breast cancer as benign or malignant using data set from Wisconsin Breast Cancer Data using sophisticated classifiers such as Logistic Regression, Nearest Neighbor, Support Vector Machines. Furthermore, using Wisconsin Prognostic data set, probability of recurrence in affected patients in calculated. As a result, a concrete relationship between precision, recall and the number of features in the data set is achieved, which is shown graphically.
对于患者的乳腺癌诊断,放射科医师对乳腺肿瘤进行细针抽吸(FNA)手术。该程序显示肿瘤半径、凹凸度、纹理和分形维数等特征。医学专家进一步研究这些特征,将肿瘤分类为良性或恶性。本文的主要目的是使用来自威斯康星州乳腺癌数据集的数据集,使用复杂的分类器(如逻辑回归、最近邻、支持向量机)来预测乳腺癌的良性或恶性。此外,使用威斯康星预后数据集,计算了受影响患者的复发概率。结果,获得了数据集中的精度、召回率和特征数量之间的具体关系,如图所示。
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引用次数: 34
An indexing technique for fuzzy object oriented database using R tree index 基于R树索引的模糊对象数据库索引技术
Priyanka Israni, Dippal Israni
Object Oriented Database (OOD) is one of the emerging technologies which replace relational databases as relational databases are not designed to support multimedia data. As there is need to move towards the age of internet, thus dealing with multimedia data is the issue which is solved by Object Oriented Databases. Generally, the data available to us is highly imprecise or uncertain. Thus, there is the need of Fuzziness in databases to deal with uncertainties in data. The extension towards OOD model is Fuzzy OOD which is used to model various Object Oriented features with the representation of uncertainty or impreciseness in data. The Proposed work includes the OOD model which handles fuzziness in data and to enhance performance of the proposed model, an indexing technique using R tree is introduced. Query Processing in proposed model is compared with the Normal Query Processing with respect to time. The results show that the performance of Query Processing in Proposed ITFOOD is better than the normal query processing without Indexing.
面向对象数据库(Object Oriented Database, OOD)是由于关系数据库不支持多媒体数据而取代关系数据库的新兴技术之一。随着互联网时代的到来,多媒体数据的处理成为面向对象数据库所要解决的问题。一般来说,我们可以获得的数据是非常不精确或不确定的。因此,数据库需要模糊性来处理数据中的不确定性。面向对象模型的扩展是模糊面向对象模型(Fuzzy OOD),用于对数据中不确定性或不精确性的各种面向对象特征进行建模。提出的工作包括处理数据模糊性的OOD模型,并引入了一种基于R树的索引技术来提高模型的性能。将该模型中的查询处理与普通查询处理在时间上进行了比较。结果表明,所提出的ITFOOD查询处理的性能优于不加索引的普通查询处理。
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引用次数: 6
Dynamic question answering system based on ontology 基于本体的动态问答系统
P. Rajendran, Rufina Sharon
The Question Answering (QA) system is playing a significant role in search engine and information extraction principle. This investigation of research work has performed with an Interface which incorporates the different modules of ontology assistance, template assistance, and user modeling techniques which function as the supporter between the client user and system to deal with the user problems. The latest features which formulate to increase system performance are ontology assisted query template, natural language query mode and keyword based query mode. The experimentation result implies that 85% queries have been accurately identified by the system.
问答系统在搜索引擎和信息提取原理中起着重要的作用。这项调查研究工作是通过一个接口来完成的,该接口结合了本体辅助、模板辅助和用户建模技术的不同模块,这些模块作为客户端用户和系统之间的支持者来处理用户问题。为提高系统性能而提出的最新特性有本体辅助查询模板、自然语言查询模式和基于关键字的查询模式。实验结果表明,系统可以准确识别85%的查询。
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引用次数: 2
Match score level fusion of iris and sclera descriptor for iris recognition 虹膜与巩膜描述符匹配分数融合的虹膜识别
Mrunal K. Pathak, V. Bairagi, N. Srinivasu, Bhavana V. Chavan
Most recently popular biometrie systems are based on recognition and classification of unique sclera and iris patterns. Unique pattern of blood veins explore the interest in sclera recognition for person identification. However sclera segmentation of relaxed eye images in condition such as different stare direction, at-a-distance image and on-the-move image widely enquired. The drawback of iris is off angle imaging where position of iris and center for off angle imagining affect the performance of sclera segmentation in terms of accuracy. Another challenge in sclera segmentation and iris recognition is high resolution and dark images which causes draining process for mobile application. So we proposed a new method which is the fusion of both iris and sclera. In proposed system sclera and iris descriptor value are fuse together for reliable and accurate iris recognition system. The proposed method will test the execution of iris recognition system for different fusion model using iris and sclera descriptor values to ensure the performance of iris recognition for a relaxed imaging.
最近最流行的生物识别系统是基于独特的巩膜和虹膜模式的识别和分类。独特的血管模式探讨了巩膜识别对人的识别的兴趣。然而,不同凝视方向、远距离图像和运动图像等条件下的放松眼图像的巩膜分割问题被广泛研究。虹膜的缺点是离角成像,虹膜的位置和离角成像的中心影响巩膜分割的精度。巩膜分割和虹膜识别的另一个挑战是高分辨率和暗图像,这导致了移动应用的消耗过程。因此,我们提出了虹膜与巩膜融合的新方法。该系统将巩膜和虹膜描述符值融合在一起,实现了可靠、准确的虹膜识别系统。该方法将利用虹膜和巩膜描述子值测试不同融合模型下虹膜识别系统的执行情况,以确保虹膜识别在宽松成像条件下的性能。
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引用次数: 3
Fuzzy logic based PV STATCOM operation for grid voltage regulation in night 基于模糊逻辑的夜间电网调压运行
N. Solanki, J. Patel
For the generation of electricity with less impact on the environment, utilization of renewable energy resources is growing worldwide as a clean energy source. With the increasing penetration of renewable based Distributed Generators (DG) on the distribution grid can create power quality issues like voltage variations, relay malfunctioning, and reverse power flow during lightly loaded condition which rises the voltage level beyond the limit. To control the voltage variables, there is a need to install power electronics converter based FACTs devices like STATCOM. Now a days, a new way to utilize the PV inverter working as a STATCOM for the grid voltage regulation while the PV plant cannot generate power during night time and cloudy days. This new technology called as PV STATCOM. This paper introduces the fuzzy logic based control scheme of PV STATCOM for the grid voltage regulation and controls the voltage rise during a reverse power flow condition.
为了减少对环境的影响,可再生能源作为一种清洁能源,在世界范围内的利用正在增长。随着基于可再生能源的分布式发电机(DG)在配电网上的日益普及,在轻负荷状态下会使电压水平超过极限,从而产生电压变化、继电器故障和反向潮流等电能质量问题。为了控制电压变量,需要安装基于FACTs设备(如STATCOM)的电力电子转换器。目前出现了一种利用光伏逆变器在光伏电站夜间和阴天不能发电的情况下作为STATCOM进行电网电压调节的新方法。这项新技术被称为PV STATCOM。本文介绍了基于模糊逻辑的光伏STATCOM电网电压调节控制方案,并对反向潮流时的电压上升进行控制。
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引用次数: 1
Improving generalization of k-means clustering based probabilistic neural network using noise injection 利用噪声注入改进基于k均值聚类的概率神经网络的泛化
Sourabrata Mukherjee
In this article, a methodology has been presented to enhance the generalization of the probabilistic neural network (PNN). For the purpose, in this article, I have performed a noise based training over the PNN classifier. Here, while training the PNN, I have injected random Gaussian multiplicative noise in the samples of the data set. This external noise injection mechanism improves the classification accuracy of the data set. Furthermore, to reduce the storage requirement of the network, I have used k-means clustering algorithm, and through this algorithm I have selected a subset of class samples from each class. It reduces the number of stored pattern in the pattern layer. The entire process generates a advanced classifier based on fusion neural network model. To test the classification rightness of the proposed method, eight standard data sets have been used. Proposed model has been compared with conventional PNN classifier. Comparison of result exhibit the ascendancy of the presented method. Wilcoxon signed rank trial also manifests that proposed method improves the performance of the classifier.
本文提出了一种提高概率神经网络泛化能力的方法。为此,在本文中,我在PNN分类器上执行了基于噪声的训练。在这里,当训练PNN时,我在数据集的样本中注入了随机高斯乘法噪声。这种外部噪声注入机制提高了数据集的分类精度。此外,为了减少网络的存储需求,我使用了k-means聚类算法,并通过该算法从每个类中选择一个类样本子集。它减少了模式层中存储模式的数量。整个过程生成一个基于融合神经网络模型的高级分类器。为了测试所提出方法的分类正确性,使用了8个标准数据集。将该模型与传统的PNN分类器进行了比较。结果比较表明了所提方法的优越性。Wilcoxon符号秩试验也表明该方法提高了分类器的性能。
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引用次数: 3
High speed SRT divider for intelligent embedded system 智能嵌入式系统的高速SRT分频器
Bhavana Mehta, Jonti Talukdar, S. Gajjar
Increasing development in embedded system, VLSI and processor design have given rise to increased demands from the system in terms of power, speed, area, throughput etcetera. Most of the sophisticated embedded system applications consist of processors; which now need an arithmetic unit with the ability to execute complex division operations with maximum efficiency. Hence the speed of the arithmetic unit is critically dependent on division operation. Most of the dividers use the SRT division algorithm for division. In IoT and other embedded applications typically radix 2 and radix 4 division algorithms are used. The proposed algorithm lies on parallel execution of various steps so as to reduce time critical path, use fuzzy logic to solve the overlap problem in quotient selection; hence reducing maximum delay and increasing the accuracy. Every logical circuit has a maximum delay on which the timing of the circuit is dependent and the path, causing the maximum delay is known as the critical path. Our approach uses the previous SRT algorithm methods to make a highly parallel pipelined design and use Mamdani model to determine a solution to the overlapping problem to reduce the overall execution time of radix 4 SRT division on 64 bits double precision floating point numbers to 281ns. The design is made using Bluespec System Verilog, synthesized and simulated using Vivado v.2016.1 and implemented on Xilinx VirtexUltraScale FPGA board.
随着嵌入式系统、超大规模集成电路和处理器设计的不断发展,对系统在功率、速度、面积、吞吐量等方面提出了越来越高的要求。大多数复杂的嵌入式系统应用程序由处理器组成;现在需要一个能够以最高效率执行复杂除法运算的算术单元。因此,算术单元的速度严重依赖于除法运算。大多数除法使用SRT除法算法进行除法。在物联网和其他嵌入式应用中,通常使用基数2和基数4除法算法。该算法通过并行执行各步骤以减少时间关键路径,利用模糊逻辑解决商选择中的重叠问题;因此减少了最大延迟,提高了精度。每个逻辑电路都有一个最大延迟,电路的时序依赖于此,导致最大延迟的路径称为关键路径。我们的方法使用之前的SRT算法方法进行高度并行的流水线设计,并使用Mamdani模型确定重叠问题的解决方案,从而将64位双精度浮点数上的基数4 SRT除法的总执行时间减少到281ns。本设计采用Bluespec System Verilog进行设计,使用Vivado v.2016.1进行综合仿真,并在Xilinx VirtexUltraScale FPGA板上实现。
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引用次数: 6
An intuitive algorithm for rotation about an arbitrary axis 一个直观的算法旋转围绕一个任意轴
C. Sabharwal, R. Prasath
Transformations are integral part of graphics programs for visualization. Rotation transformations allow viewing objects from different angles. Rotations about the principal axes are straightforward whereas the rotation about an arbitrary axis is complex. We present a new algorithm simpler than the existing techniques for creating arbitrary rotation matrix. It builds upon the change of basis instead of a sequence of rotations based on the angles it makes with the principal axes/planes. We compare it with the existing proofs. Finally, we give an example by creating an axis interactively and 3D object created by rotation a mouse drive polygonal curve. The application developers and practitioners will find this intuitive and simpler algorithm useful.
转换是可视化图形程序的组成部分。旋转变换允许从不同角度查看对象。绕主轴旋转是简单的,而绕任意轴旋转是复杂的。本文提出了一种比现有的任意旋转矩阵生成方法更简单的新算法。它建立在基的变化上,而不是基于它与主轴/平面的角度的一系列旋转。我们将它与现有的证明进行比较。最后,我们给出了一个例子,通过交互创建一个轴和3D对象创建的旋转鼠标驱动多边形曲线。应用程序开发人员和实践者会发现这个直观和更简单的算法很有用。
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引用次数: 2
期刊
2017 International Conference on Soft Computing and its Engineering Applications (icSoftComp)
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