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2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2)最新文献

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Nonlinear Temporal Analysis of Uterine EMG for Preterm Birth Classification 子宫肌电图对早产分类的非线性时间分析
Irtiza Hasan, A. Das, Mohammed Imamul, Hassan Bhuiyan
Premature birth, one of the root causes of maternal mortality and childhood morbidity, is growing at an increased rate worldwide. Several screening tests used in clinical settings to predict preterm births do not show satisfactory results. Electrohysterography, a noninvasive automated method of monitoring uterine contractions during labor, has shown to be effective in the classification task. In this work, we explored the potential use of several temporal nonlinear parameters for carrying out classification process. A publicly available TPEHG DB (Term Preterm Electrohysterogram Database) containing 262 term records and 38 preterm records was used to conduct the study. To execute effective classification tasks, Synthetic Minority Over-Sampling Technique (SMOTE) was applied on unbalanced dataset to generate equal number of training dataset by oversampling the minority class. New suitable nonlinear features have been addresed in this study other than the features used in the previous works to compare the performance of the classifiers. The analysis showed that extremely randomized trees or extra trees classifier shows significant improvement by using these features in the classification process of term and preterm records with cross validation accuracy 91.4%, specificity 90.2% and sensitivity 95.5%. The proposed approach could be combined with other methods to excel in the existing classification performance.
早产是孕产妇死亡和儿童发病率的根本原因之一,在世界范围内正以越来越快的速度增长。在临床环境中用于预测早产的几种筛选试验没有显示出令人满意的结果。子宫电图是一种监测分娩过程中子宫收缩的无创自动方法,已被证明在分类任务中是有效的。在这项工作中,我们探索了几个时间非线性参数在进行分类过程中的潜在用途。一个公开的TPEHG DB(足月早产电宫图数据库)包含262个足月记录和38个早产记录,用于进行研究。为了执行有效的分类任务,在非平衡数据集上应用合成少数派过采样技术(SMOTE),通过对少数派类进行过采样,生成相等数量的训练数据集。除了在以前的工作中使用的特征来比较分类器的性能之外,本研究还解决了新的合适的非线性特征。分析表明,利用这些特征,极随机树或额外树分类器在足月和早产记录的分类过程中表现出显著的改善,交叉验证准确率为91.4%,特异性为90.2%,灵敏度为95.5%。该方法可以与其他方法相结合,以提高现有的分类性能。
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引用次数: 2
Synthesis and Microscopic Study of Zinc Sulfide Nanoparticles 硫化锌纳米颗粒的合成及显微研究
Amrit Regmi, B. R. Bhattarai, S. K. Gautam
The ZnS semiconductor nanoparticles were synthesized by wet chemical synthesis routes from zinc acetate [Zn(CH3 COO$)_{2}]$ as source of zinc and sodium sulfide (Na2S) as source of sulfur, where ascorbic acid were used as capping agents. The structural, morphological, and optical properties of synthesized nanoparticles had been characterized by X-ray diffraction (XRD), transmission electron microscope (TEM) and UV-visible spectra (UV-Vis). XRD analysis shows that as synthesized samples were cubic structure and the average sizes of crystal were estimated 2.3 nm and 2.1 nm at $20^{circ}C$ and $45^{circ}C$, respectively using Debye Scherer’s equation. The band gap energy of ZnS nanoparticles determined from the UV-Vis spectra are 3.9 eV and 4.19 eV synthesized at $20^{circ}C$ and $45^{circ}C$, respectively. The size estimated from XRD pattern was further verified from TEM image and UV-Vis spectra.
以醋酸锌[Zn(CH3 COO$)_{2}]$为锌源,硫化钠(Na2S)为硫源,以抗坏血酸为封盖剂,采用湿法合成ZnS半导体纳米颗粒。利用x射线衍射(XRD)、透射电子显微镜(TEM)和紫外可见光谱(UV-Vis)对合成的纳米粒子的结构、形态和光学性质进行了表征。XRD分析表明,合成的样品为立方结构,在$20^{circ}C$和$45^{circ}C$处的晶体平均尺寸分别为2.3 nm和2.1 nm。在$20^{circ}C$和$45^{circ}C$下合成的ZnS纳米粒子带隙能分别为3.9 eV和4.19 eV。通过TEM和UV-Vis光谱进一步验证了XRD谱图估计的尺寸。
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引用次数: 1
IC4ME2 2019 Table of Contents IC4ME2 2019目录表
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引用次数: 0
An Approach for Recognizing Vehicle Based on Appearance 一种基于外观的车辆识别方法
M. Mamun, K. Deb
In Intelligent Transportation System (ITS) vehicle detection from the road image is very important for drivers and pedestrians awareness. Detection of vehicles from the road area is important to prevent the accident or collisions. This paper proposes a method for improving traffic control and management system for different condition of roads. Four basic steps based on appearance are presented in our proposed method. Initially, to segment the object, we use pitch color from the road image. In the next step, labeling and filtering is applied on foreground objects for getting the region of interest (ROI). Then, for extracting features we use Haar-like feature on ROI. Finally, test images are classified by support vector machine (SVM) classifier for recognizing the vehicle, which provides high accuracy with a very fast and reliable detection rate. Various road images were used with a variety of conditions to test proposed method and results are presented to prove it effectiveness. Moreover, it will satisfy the needs of ITS.
在智能交通系统(ITS)中,从道路图像中检测车辆对于驾驶员和行人的感知非常重要。探测来自道路区域的车辆对于防止事故或碰撞非常重要。针对不同的道路状况,提出了一种改进交通控制管理系统的方法。该方法提出了基于外观的四个基本步骤。最初,为了分割物体,我们使用道路图像中的基色。下一步,对前景对象进行标记和滤波,得到感兴趣区域(ROI)。然后,利用ROI上的haar类特征提取特征。最后,通过支持向量机(SVM)分类器对测试图像进行分类,实现车辆识别,具有很高的准确率和非常快速可靠的检测率。利用不同条件下的道路图像对所提出的方法进行了测试,结果证明了该方法的有效性。此外,它将满足ITS的需求。
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引用次数: 3
Effect of Smoking in EEG Pattern and Time-Frequency Domain Analysis for Smoker and Non-Smoker 吸烟对吸烟者和非吸烟者脑电图的影响及时频域分析
Md Mahmudul Hasan, Nafiul Hasan, Azizur Rahman, Md. Mustafizur Rahman
As addiction is said to be a mental health condition which can be derived from Electroencephalogram, this study focuses on changes in EEG pattern due to smoking. A methodology is proposed here to identify smoker and nonsmoker by EEG domain analysis. In this research, three ANNs were built for domain analysis to differentiate smokers from non-smokers. It was found that the neural network built with the attributes of both time and frequency domain provided best quality with MSE of $6.238 times 10^{-08}$ than the neural networks using either time or frequency domain features. On the other hand, frequency domain based ANN solely gives better performance than time domain properties based neural network. It is concluded in this paper that values of PSD and FFT is much higher in EEG of smokers than the non-smokers.
由于成瘾被认为是一种可以从脑电图中得出的精神健康状况,因此本研究的重点是吸烟引起的脑电图模式的变化。本文提出了一种通过脑电域分析来识别吸烟者和非吸烟者的方法。在本研究中,构建了三个神经网络进行区域分析,以区分吸烟者和非吸烟者。结果表明,同时使用时域和频域特征构建的神经网络比单独使用时域和频域特征构建的神经网络具有更好的质量,其MSE为6.238 × 10^{-08}$。另一方面,单纯基于频域的人工神经网络比基于时域特性的神经网络具有更好的性能。结果表明,吸烟者脑电图中PSD和FFT值明显高于非吸烟者。
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引用次数: 3
Automated Prediction of Phishing Websites Using Deep Convolutional Neural Network 基于深度卷积神经网络的钓鱼网站自动预测
K. M. Zubair Hasan, Md. Zahid Hasan, N. Zahan
Phishing is one of the ruinous issues encountered by the World Wide Web (WWW) and steers to the financial catastrophes for individuals and businesses. It has been perpetually a perplexing issue to identify phishing attacks with high exactness. The tremendous outcomes in the area of classification have been succeeded by the state-of-the-art invention of the deep convolutional neural networks (DCNNs). This paper is concerned with an accurate identifying approach for web phishing attacks based on deep convolutional neural networks. Our developed model has the ability to classify the attacked phishing websites from legitimate sites. However, due to the limitation of samples in the dataset, other machine learning algorithms (SVM, AdaBoost, Decision Tree, KNN) cannot perform proficiently for analyzing the data. In this respect, our proposed Deep Convolution Neural Network (DCNN) model has an automated approach to predict the phishing sites within the earlier stage. The empirical results show that the overall accuracy of 99% is achieved by the recommended methodology.
网络钓鱼是万维网(WWW)遇到的破坏性问题之一,并导致个人和企业的金融灾难。如何准确地识别网络钓鱼攻击一直是一个令人困惑的问题。深度卷积神经网络(deep convolutional neural networks, DCNNs)的发明,在分类领域取得了巨大的成果。本文研究了一种基于深度卷积神经网络的网络钓鱼攻击的准确识别方法。我们开发的模型具有将受攻击的钓鱼网站与合法网站进行分类的能力。然而,由于数据集中样本的限制,其他机器学习算法(SVM, AdaBoost, Decision Tree, KNN)无法熟练地进行数据分析。在这方面,我们提出的深度卷积神经网络(DCNN)模型具有在早期阶段自动预测网络钓鱼站点的方法。实证结果表明,所推荐的方法总体准确率达到99%。
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引用次数: 5
Detecting and Preventing IP Spoofing and Local Area Network Denial (LAND) Attack for Cloud Computing with the Modification of Hop Count Filtering (HCF) Mechanism 基于HCF (Hop Count Filtering)机制的云计算IP欺骗和LAND攻击检测与防范
Subrina Sultana, Sumaiya Nasrin, Farhana Kabir Lipi, Md. Afzal Hossain, Zinia Sultana, Fatima Jannat
In today’s world the number of consumers of cloud computing is increasing day by day. So, security is a big concern for cloud computing environment to keep user’s data safe and secure. Among different types of attacks in cloud one of the harmful and frequently occurred attack is Distributed Denial of Service (DDoS) attack. DDoS is one type of flooding attack which is initiated by sending a large number of invalid packets to limit the services of the victim server. As a result, server can not serve the legitimate requests. DDoS attack can be done by a lot of strategies like malformed packets, IP spoofing, smurf attack, teardrop attack, syn flood attack, local area network denial (LAND) attack etc. This paper focuses on IP spoofing and LAND based DDoS attack. The objective of this paper is to propose an algorithm to detect and prevent IP spoofing and LAND attack. To achieve this objective a new approach is proposed combining two existing solutions of DDoS attack caused by IP spoofing and ill-formed packets. The proposed approach will provide a transparent solution, filter out the spoofed packets and minimize memory exhaustion through minimizing the number of insertions and updates required in the datatable. Finally, the approach is implemented and simulated using CloudSim 3.0 toolkit (a virtual cloud environment) followed by result analysis and comparison with existing algorithms.
在当今世界,云计算的消费者数量日益增加。因此,如何保证用户数据的安全是云计算环境的一大关注点。在不同类型的云攻击中,分布式拒绝服务(DDoS)攻击是一种危害较大且频繁发生的攻击。DDoS是一种洪水式攻击,通过发送大量无效报文来限制受害服务器的服务。因此,服务器无法为合法请求提供服务。DDoS攻击可以通过许多策略来实现,如畸形数据包,IP欺骗,smurf攻击,泪滴攻击,syn flood攻击,局域网拒绝(LAND)攻击等。本文主要研究了IP欺骗和基于LAND的DDoS攻击。本文的目的是提出一种检测和防止IP欺骗和LAND攻击的算法。为了实现这一目标,本文提出了一种新的解决方案,结合现有的两种IP欺骗和恶意数据包引起的DDoS攻击的解决方案。所提出的方法将提供一个透明的解决方案,过滤掉欺骗数据包,并通过最小化数据表中所需的插入和更新数量来最小化内存耗尽。最后,使用CloudSim 3.0工具包(虚拟云环境)对该方法进行了实现和仿真,然后对结果进行了分析并与现有算法进行了比较。
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引用次数: 2
Saliency Detection using the Combination of Boundary Aware Color-map and Seam-map 结合边界感知颜色图和接缝图的显著性检测
A. Islam, S. M. M. Ahsan, J. Tan
Salient region of an image is usually detected by using contrast and boundary priors. Along with those cues the use of seam importance map has shown promising output previously. In this study, better result is found by further exploiting the seam-map using spatial distance and color information in combination with boundary prior. Color and seam maps are also down-weighted using average spatial distance to other regions. Moreover, passing the superpixelized version of the input image into seam and color map generation procedure has improved the output. Experimental results based on MSRA 1k dataset are presented with ten state of the art methods. F-beta measures are presented along with precision recall curves to better understand the outcome. The performance comparison with compared researches proofs superiority of the proposed method.
图像的显著区域通常通过对比度和边界先验来检测。除了这些提示外,接缝重要性图的使用在前面已经显示出有希望的输出。在本研究中,结合边界先验,进一步利用空间距离和颜色信息对接缝图进行挖掘,得到了更好的结果。颜色和接缝图也使用到其他区域的平均空间距离进行加权。此外,将输入图像的超像素化版本传递到接缝和颜色贴图生成程序中,提高了输出。给出了基于MSRA 1k数据集的十种最新方法的实验结果。F-beta测量与精确召回曲线一起呈现,以更好地理解结果。通过与已有研究的性能比较,证明了该方法的优越性。
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引用次数: 2
Numerical Modeling to evaluate the performance of FBG-based Strain Sensors 基于fbg的应变传感器性能的数值模拟
Ahsan Yaqub Rabbi, M. R. Kaysir, Md Jahirul Islam
Fiber Bragg Gratings (FBGs) result in an optical fiber due to the variation of the refractive index in the core material. Sensors based on FBG accumulate the advantages of optical fiber such as immunity to electromagnetic interference, compact size and lightweight, suitability for remote monitoring, flexibility, and multiplexing capabilities. Recently, FBG based strain sensors attain intense research interest due to their high sensitivity and comparatively lower cost. These sensors work with simple principle; Bragg wavelength shifts when strain is induced on the fiber. In this paper, we aim to design a FBG based strain sensor and then numerically modeled it in COMSOL environment to investigate the sensor performance. To design the system, we incorporate a solid mechanical model to the FBG model in Radio Frequency module to apply external force to produce stain in the FBG. Finally the results from the numerical model is compared with the existing analytical model, which shows good agreement.
光纤布拉格光栅(fbg)是由于芯材折射率的变化而形成光纤的。基于光纤光栅的传感器积累了光纤的优点,如抗电磁干扰,体积小,重量轻,适合远程监控,灵活性和多路复用能力。近年来,基于光纤光栅的应变传感器以其高灵敏度和相对较低的成本引起了人们的广泛关注。这些传感器工作原理简单;当光纤上产生应变时,布拉格波长发生位移。本文设计了一种基于光纤光栅的应变传感器,并在COMSOL环境中对其进行了数值模拟,研究了传感器的性能。为了设计该系统,我们在射频模块的FBG模型中加入了一个实体力学模型,以施加外力在FBG中产生染色。最后,将数值模型的计算结果与已有的解析模型进行了比较,两者吻合较好。
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引用次数: 1
Network-based quantitative frameworks to identify pleotropic factors that influence for cardiomyopathy progression 基于网络的定量框架,以确定影响心肌病进展的多效性因素
Md. Nasim Haidar, M. Islam, Utpala Nanda Chowdhury, F. Huq, Julian M. W. Quinn, M. Moni
This paper presents network-based quantitative frameworks to study the complex relationship of cardiomyopathy (CMP) and risk factors that influence CMP progression in order to identify new CMP biomarkers. We analyzed gene expression microarray data from CMP affected and unaffected (control) tissues, and data from individuals with high body fat, high fat diet and type-II diabetes. We examined differentially expressed genes (DEGs) for each dataset and compared CMP with each factor pairwise to identify common DEG overlaps. In our analysis, 2589 DEGs are identified for CMP of which 1283 genes are over expressed and 1306 genes are under expressed. Protein-protein interaction (PPI) network found 10 core genes, namely SMARCA4, NCOR2 and histone genes HIST1H4K, HIST1H4I, HIST2H4B, HIST1H4H, HIST2H4A, HIST4H4, HIST1H4F and HIST1HL. Ontological and pathway analysis with this information identified significant pathways for CMP progression. The findings were validated using dbGaP (gene SNP-disease linkage) and OMIM databases for gold-standard benchmarking of their significance in disease progression. Thus, our network-based method identified a number of factors, notably histones, that may be pleiotropic influencing factors of the CMP.
本文提出了基于网络的定量框架来研究心肌病(CMP)与影响CMP进展的危险因素之间的复杂关系,以确定新的CMP生物标志物。我们分析了来自CMP受影响和未受影响(对照)组织的基因表达微阵列数据,以及来自高体脂、高脂肪饮食和ii型糖尿病患者的数据。我们检查了每个数据集的差异表达基因(DEG),并将CMP与每个因素两两比较,以确定常见的DEG重叠。在我们的分析中,共鉴定出2589个CMP基因,其中1283个基因过表达,1306个基因过表达。蛋白-蛋白相互作用(PPI)网络共发现10个核心基因,分别为SMARCA4、NCOR2和组蛋白基因HIST1H4K、HIST1H4I、HIST2H4B、HIST1H4H、HIST2H4A、HIST4H4、HIST1H4F和HIST1HL。本体论和通路分析利用这些信息确定了CMP进展的重要途径。研究结果使用dbGaP(基因snp -疾病连锁)和OMIM数据库进行验证,作为其在疾病进展中的意义的金标准基准。因此,我们基于网络的方法确定了许多因素,特别是组蛋白,这些因素可能是CMP的多效性影响因素。
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引用次数: 1
期刊
2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2)
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