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

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An Advanced Distribution Layer Solution to Improve Bandwidth Utilization and Media Quality for Multi-Access Network Management in Wide Area Network 一种提高广域网多接入网管理带宽利用率和媒体质量的高级分布层解决方案
S. M. Huque, Imam Muhammad Amirul Maula, Syed Zahidur Rashid
Due to ever growing data consumption for different Internet-based services, WAN (Wide Area Network) is becoming sophisticated day by day. Internet users are also expanding into new markets. So, business companies like ISP (Internet Service Provider) need to perform enhanced service providing tasks. MPLS (Multiprotocol Label Switching) is the technology to switch data between nodes of the topology only changing the label. The inherited nature of MPLS gives the scope to the service providers to maintain the complex networks more adeptly implementing traffic engineering and QoS (Quality of Service) in an extensive manner. In this research, a comprehensive analysis based on the real-world scenario has been made to utilize bandwidth, and improve media quality using MPLS technique over usual IP network (non-MPLS). The analysis is formed by specializing in the usually used QoS statistics: Bandwidth Utilization, Throughput, Packet Delay Variation, Packet End-to-End Delay, Traffic Sent and Received. The results clearly state that the MPLS based network provides highly efficient routes than non-MPLS Network. OPNET Modeler is the simulation software for this research to run the simulation scenarios, and the topology has designed according to the Cisco hierarchical model.
由于各种基于internet的业务的数据消耗不断增长,WAN(广域网)日益复杂化。互联网用户也在拓展新的市场。因此,像ISP(互联网服务提供商)这样的商业公司需要执行增强的服务提供任务。MPLS (Multiprotocol Label Switching,多协议标签交换)是一种只需更换标签即可在拓扑节点之间进行数据交换的技术。MPLS的继承特性使服务提供商能够更熟练地维护复杂的网络,更广泛地实现流量工程和QoS(服务质量)。在本研究中,基于实际场景,对利用MPLS技术在普通IP网络(非MPLS)上利用带宽和提高媒体质量进行了综合分析。该分析是通过专门研究常用的QoS统计数据形成的:带宽利用率、吞吐量、数据包延迟变化、数据包端到端延迟、发送和接收的流量。结果表明,基于MPLS的网络比非MPLS网络提供了更高效的路由。OPNET Modeler是本研究运行仿真场景的仿真软件,其拓扑结构按照Cisco分层模型设计。
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引用次数: 0
Cadmium Sulfide Nanoparticles: Synthesis and Characterization 硫化镉纳米颗粒:合成与表征
B. R. Bhattarai, Amrit Regmi, S. K. Gautam
Cadmium sulfide (CdS) nanoparticles were synthesized by wet chemical coprecipitation method using cadmium chloride and sodium sulfide as cadmium and sulfur sources, respectively. Ascorbic acid was used as capping agent. XRD analysis showed that the particles were present in hexagonal phase. The average particle size, using Debye-Scherer's equation, was found to be temperature dependent, 3.1 nm at $20^{circ}mathrm{C}$ and 3.4 nm at 45°C. The synthesized CdS nanoparticles revealed considerable blue shift in absorption edge compare to to the bulk CdS. They exhibited quantum size effect and showed an increase in band gap with the decrease in particle size. The average particles sizes obtained from XRD, TEM and UV-visible spectroscopy were found to be in good agreement with each other in the range 3-5 nm.
以氯化镉和硫化钠分别为镉源和硫源,采用湿化学共沉淀法合成了硫化镉纳米颗粒。用抗坏血酸作封盖剂。XRD分析表明,颗粒呈六方相。使用Debye-Scherer方程,发现平均粒径与温度有关,在$20^{circ} maththrm {C}$时为3.1 nm,在45°C时为3.4 nm。合成的CdS纳米粒子在吸收边表现出明显的蓝移。它们表现出量子尺寸效应,带隙随着粒子尺寸的减小而增大。XRD、TEM和uv -可见光谱的平均粒径在3 ~ 5 nm范围内基本一致。
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引用次数: 2
Extended Noise Adaptive Binary Pattern for Garments Pattern Classification 基于扩展噪声自适应二值模式的服装图案分类
A. Akter, Badal Chandra Mitra, Rahat Hossain Faisal, Md. Mostafijur Rahman
Garments and fashion industries play a vital role in our economy. The automatic classification and recognition of garments design class may help in development of fashion industry. For this purpose, different feature descriptors have been proposed to extract discriminative information from the garments texture images. In this paper we proposed a new descriptor namely Extended Noise Adaptive Binary Pattern (ENABP). To evaluate this descriptor, we use two different publicly available datasets (Fashion and Clothing attribute dataset). The experimental result shows that ENABP produces better accuracy than NABP and other existing descriptor.
服装和时尚产业在我们的经济中起着至关重要的作用。服装设计等级的自动分类与识别有助于服装产业的发展。为此,提出了不同的特征描述符来从服装纹理图像中提取判别信息。本文提出了一种新的描述符——扩展噪声自适应二值模式(ENABP)。为了评估这个描述符,我们使用两个不同的公开可用数据集(Fashion和Clothing属性数据集)。实验结果表明,与NABP和其他现有描述符相比,ENABP具有更好的精度。
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引用次数: 0
Design of the ABS polymer based multimode planar large core 1x2 splitter fabricated by 3D printing technology 基于ABS聚合物的多模平面大芯1x2分路器的3D打印设计
Mehedi Hasan, Muzammal Hoque, Md. Mehedi Hashan Jony, M. H. Kabir
The aim of this research is to describe the design and construction process of a microchannel as a multimode lx2 Y-groove optical planar power splitter which will be cost effective and analyzed for short haul backbone optical communication systems. The splitter was designed by using Solidworks software for connecting with specific lmm core diameter fiber and fabricated directly by an FDM 3D printer. NOA glue were used to fill up the core, on the other hand, the design structure of substrate and cover layers was fabricated by ABS polymer. Then, an efficient ultra-smoothing technique was applied and the insertion losses of the splitter were measured.
本研究的目的是描述一个多模lx2 y槽光平面功率分路器的微通道的设计和建造过程,该微通道将具有成本效益并分析用于短距离骨干光通信系统。采用Solidworks软件设计并连接特定芯径lmm的光纤,采用FDM 3D打印机直接制作。采用NOA胶填充芯层,基材和覆盖层的设计结构采用ABS聚合物制备。然后,采用一种高效的超平滑技术,测量了分路器的插入损耗。
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引用次数: 1
Bengali Handwritten Alphabet Recognition using Deep Convolutional Neural Network 使用深度卷积神经网络的孟加拉手写字母识别
Sifat Ahmed, Fatima Tabsun, Abdus Sayef Reyadh, Asif Imtiaz Shaafi, F. Shah
The technology of object recognition has advanced in recent times. There are so many models that performed brilliantly when used to detect English handwritten alphanumeric characters. But when it comes to Bengali handwritten character recognition, these predefined model slightly underperformed. The complexity of Bengali characters and unavailability of a good dataset are the main reasons for the underperformance of these models. So the problem still quite unsolved. But in Bengali digit recognition some of the models performed very well. We propose a Deep Convolutional Neural Network model to recognize Bengali handwritten alphabets. The dataset used in this experiment is pretty new and have not tested with DCNN models. Till now, our model achieves 95% accuracy in recognizing the alphabets.
近年来,物体识别技术有了很大的发展。有很多模型在检测英文手写字母数字字符时表现出色。但是当涉及到孟加拉手写字符识别时,这些预定义的模型略微表现不佳。孟加拉语字符的复杂性和缺乏好的数据集是这些模型性能不佳的主要原因。所以这个问题仍然没有解决。但在孟加拉语数字识别中,一些模型表现得非常好。我们提出了一个深度卷积神经网络模型来识别孟加拉语手写字母。在这个实验中使用的数据集是相当新的,还没有经过DCNN模型的测试。到目前为止,我们的模型在识别字母方面达到了95%的准确率。
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引用次数: 3
Bengali Informative Chatbot 孟加拉语信息聊天机器人
Md. Kowsher, M. A. Alam, M. J. Uddin, Md. Rafiqul Islam, Nuruzzaman Pias, Abu Rayhan Md Saifullah
Bengali Informative Chatbot (BIC) is an effective technique that helps a user to trace relevant information by Natural Language Processing (NLP). In this research paper, we introduce an algorithmic Bengali Informative Chatbot (BIC) based on information that is significant mathematically and statistically. This paper is demonstrated by two algorithms for finding out the lemmatization of Bengali words such as Trie and Dictionary Based Search by Removing Affix (DBSRA) as well as compared with Edit Distance for the exact lemmatization. We present the Bengali Anaphora resolution system using the Hobbs’ algorithm to get the correct expression of information. As the actions of chatbot replying algorithms, the TF-IDF and Cosine Similarity are developed to find out the accurate answer from the documents. In this study, we introduce a Bengali Language Toolkit (BLTK) and Bengali Language Expression (BRE) that make the easiest implication of our task. We have also developed Bengali root word’s corpus, synonym word’s corpus, stop word’s corpus and gathered 672 articles as questions and answers form the popular Bengali newspapers ‘The Daily Prothom Alo’ is our inserted information. For testing this system, we have created 19334 questions from the introduced information and got 97.22% accurate answer by proposed BIC.
孟加拉语信息聊天机器人(BIC)是一种利用自然语言处理(NLP)帮助用户追踪相关信息的有效技术。在本文中,我们介绍了一种基于数学和统计意义的孟加拉语信息聊天机器人(BIC)算法。本文介绍了三列法(Trie)和基于字典的去词缀搜索法(DBSRA)这两种孟加拉语词的词序查找算法,并与编辑距离法(Edit Distance)进行了比较。本文提出了一种利用Hobbs算法求解孟加拉语回指的系统,以获得正确的信息表达。作为聊天机器人应答算法的动作,开发了TF-IDF和余弦相似度,从文档中找到准确的答案。在这项研究中,我们引入了一个孟加拉语工具包(BLTK)和孟加拉语表达(BRE),使我们的任务最简单的含义。我们还开发了孟加拉语词根词语料库、近义词语料库、停顿词语料库,并从孟加拉语流行报纸中收集了672篇文章作为问答,《每日问答》是我们的插入信息。在系统的测试中,我们从引入的信息中创建了19334个问题,并得到了97.22%的正确率。
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引用次数: 2
Internet of Things Based Model for Smart Campus: Challenges and Limitations 基于物联网的智慧校园模式:挑战与局限
Imam Hossain, Dipankar Das, Md. Golam Rashed
Internet of Things (IoT) provides a platform where devices can be connected, sensed and controlled remotely across a network infrastructure. In this paper we propose a smart campus model using IoT technology and its purpose is to achieve the intelligent management and service on campus. After analyzing various research studies, we have designed IoT based smart campus model which incorporates campus oriented application services. The designed smart campus model is worked the based on the idea of the three network hierarchy as perception layer, network layer, and application layer. Services will be provided to the end users via mobile application and display monitoring infrastructure by our proposed model. Before deploying such architecture, we have identified the challenges for design smart campus model. We have implemented some of the application services using hardware and software platform. Finally, we tested the viability of our proposed smart campus model by experiment. In experiment, it is revealed that our IoT based smart campus model based applications services are useful for campus students, teachers and campus communities.
物联网(IoT)提供了一个平台,在这个平台上,设备可以通过网络基础设施远程连接、感知和控制。本文提出了一种基于物联网技术的智慧校园模式,其目的是实现校园管理和服务的智能化。在分析了各种研究成果后,我们设计了基于物联网的智慧校园模型,该模型融合了面向校园的应用服务。基于感知层、网络层和应用层三层网络结构的思想,设计了智能校园模型。我们提出的模型将通过移动应用程序和显示监控基础设施向最终用户提供服务。在部署这种架构之前,我们已经确定了设计智能校园模型的挑战。我们利用硬件和软件平台实现了部分应用服务。最后,通过实验验证了所提出的智慧校园模型的可行性。实验结果表明,基于物联网的智慧校园模型的应用服务对校园学生、教师和校园社区都很有用。
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引用次数: 8
An Optimal LQG-DC Control for Compensating Voltage Fluctuation in a Single Area Power System 单区电力系统电压波动补偿的LQG-DC最优控制
Fariya Tabassum, M. S. Rana
In this technical brief an optimal linear-quadratic-Gaussian (LQG) control scheme is proposed for the robust control of an automatic voltage regulator (AVR) in a single area power system. In order to improve the overshoot damping efficiency of the system a damping compensator (DC) is incorporated with the LQG controller. The aim of this LQG-DC controller is to restore the nominal voltage of a grid isolated power system due to sudden load variation. The response of AVR system after implementing conventional proportional-integral-derivative (PID), linear-quadratic-regulator (LQR) and LQG controller is compared with the proposed LQG-DC control scheme to prove its efficacy.
本文提出了一种最优线性二次高斯(LQG)控制方案,用于单区域电力系统中自动电压调节器(AVR)的鲁棒控制。为了提高系统的超调阻尼效率,在LQG控制器中加入了阻尼补偿器(DC)。LQG-DC控制器的目的是恢复电网隔离电力系统因负载突然变化而产生的标称电压。采用传统的比例积分导数(PID)、线性二次调节器(LQR)和LQG控制器后,AVR系统的响应与LQG- dc控制方案进行了比较,证明了其有效性。
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引用次数: 1
Detecting Third Umpire Decisions & Automated Scoring System of Cricket 检测第三裁判判罚及板球自动计分系统
Md. Kowsher, M. A. Alam, M. J. Uddin, Faisal Ahmed, M. Ullah, Md. Rafiqul Islam
For the time being, Cricket is an indisputably one of the most interesting game in the world, especially in the territory of South Asian. As human beings are prone to error, sometimes errors have happened to an umpire and about a constant time is taken by the third umpire for an exact decision of a review. The two different domains artificial intelligence and computer vision have become pop in cricket analysis and decision making. Using different types of computer vision’s procedures in exploring several Cricket cases and automatically turning into decisions have become exoteric in recent days. In this research paper, we have propounded a classification method by the aids of Convolutional Neural Network (CNN) with Inception V3 in order to automatically unroll the decisions of third umpire and scoring system such as umpire signal detection. We have also proposed the deep CNN technique that aids to increase the performance of CNN.
目前,板球无疑是世界上最有趣的运动之一,尤其是在南亚地区。由于人是容易犯错误的,有时一个裁判也会犯错误,而第三个裁判要花一定的时间才能做出准确的审查决定。人工智能和计算机视觉这两个不同的领域已经成为板球分析和决策的热门领域。最近几天,使用不同类型的计算机视觉程序来探索几个板球案例并自动做出决定已经变得非常开放。在本文中,我们提出了一种基于卷积神经网络(CNN)和Inception V3的分类方法,用于自动展开裁判信号检测等第三裁判和计分系统的判罚。我们还提出了有助于提高CNN性能的深度CNN技术。
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引用次数: 15
Finger Movement Classification Based on Statistical and Frequency Features Extracted from Surface EMG Signals 基于表面肌电信号统计特征和频率特征的手指运动分类
Chyon Krishno Bhattachargee, Niloy Sikder, M. Hasan, A. Nahid
Anatomization of EMG signals is one of the building blocks of modern prostheses. As the goal is to build robotic arms whose functions are identical to the natural ones, EMG signals produced from various hand gestures and finger movements have received much attention in recent times. Surface EMG signals collected from the upper hand muscles show specific patterns for a particular finger movement, which is also true for combined (more than one) finger movements. Utilizing Digital Signal Processing (DSP), and Machine Learning (ML) techniques this paper proposes a novel method to distinguish among various EMG signals generated from ten different hand gestures. To reduce complexity and make the signals more understandable to the algorithm statistical and frequency features were extracted from the raw EMG signals and used for classification. In order to prove the effectiveness of the method, it was tested on a practical EMG dataset and the results of the experiments are presented.
肌电信号的解剖是现代假肢的基础之一。由于目标是制造功能与自然手臂相同的机械手臂,各种手势和手指运动产生的肌电信号近年来备受关注。从上手肌肉收集的表面肌电信号显示出特定手指运动的特定模式,这也适用于组合(多个)手指运动。利用数字信号处理(DSP)和机器学习(ML)技术,提出了一种新的方法来区分十种不同手势产生的各种肌电信号。为了降低复杂性,使算法更容易理解信号,从原始肌电信号中提取统计特征和频率特征并用于分类。为了验证该方法的有效性,在实际肌电数据集上进行了测试,并给出了实验结果。
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引用次数: 7
期刊
2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2)
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