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A State of Art on Energy Efficient Multipath Routing In Wireless Sensor Networks 无线传感器网络中节能多径路由的研究现状
Pub Date : 2018-12-01 DOI: 10.11591/IJICT.V7I3.PP111-116
Swedika Sharma
Wireless sensor network is the combination of sensor nodes where sensor nodes are distributed all over the network. There are some challenges that come into the wireless sensor network n context to energy efficiency, network lifetime, storage and battery backup. The most important feature of a routing protocol, in order to be efficient for WSNs, is the energy consumption and the extension of the network’s lifetime. In this paper, we have analyzed various routing techniques for WSN that increases the network lifetime and energy consumption.
无线传感器网络是传感器节点的组合,传感器节点分布在整个网络中。无线传感器网络在能源效率、网络寿命、存储和电池备份等方面面临着一些挑战。为了保证无线传感器网络的高效运行,路由协议最重要的特征是能耗和网络生命周期的延长。在本文中,我们分析了各种用于WSN的路由技术,这些技术增加了网络的生命周期和能量消耗。
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引用次数: 6
Design of Compact Dual Band Circular Polarized Micro-strip Antenna for High Efficiency WLAN 802.11ax-2019 面向高效WLAN 802.11ax-2019的紧凑型双频圆极化微带天线设计
Pub Date : 2018-12-01 DOI: 10.11591/IJICT.V7I3.PP135-140
S. Ali
Design of antennas for the latest upcoming standards of WLANs is considered as a key challenge in the science of Mobile Communication Engineering. Micro strip antennas are supposed to have some quality features in mobile and wireless network systems. Their weight and size are reduced and they are capable of having low power capacity. All these interesting features enabled these type of antennas suitable for the communication of IEEE 802.11ax-2019 high speed WLANs. Shape of these antennas can be designed in an efficient manner to achieve required gain and bandwidth. In this paper the concept of circular polarization has been introduced along with compact design of antennas in order to achieve return loss and axial ratio of less than -10 dB and 3dB respectively. Antenna has been designed and simulated on CST MW studio software and usage of dual bands 2.4 and 5.2GHz having circular polarization is properly elucidated for 802.11ax-2019.
为即将到来的最新无线局域网标准设计天线被认为是移动通信工程科学中的一个关键挑战。在移动和无线网络系统中,微带天线被要求具有一定的质量特征。它们的重量和尺寸减小了,并且能够具有低功率容量。所有这些有趣的功能使这些类型的天线适用于IEEE 802.11ax-2019高速wlan通信。这些天线的形状可以有效地设计,以达到所需的增益和带宽。本文在天线小型化设计的同时,引入了圆极化的概念,以实现回波损耗小于- 10db,轴比小于3dB。在CST MW studio软件上对天线进行了设计和仿真,阐明了802.11ax-2019中2.4和5.2GHz双频段圆极化的使用情况。
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引用次数: 2
Intelligent Information System for Suspicious Human Activity Detection in Day and Night 昼夜可疑人类活动检测智能信息系统
Pub Date : 2018-12-01 DOI: 10.11591/IJICT.V7I3.PP117-123
J. Iqbal, S. Arun
The detection of human beings in a camera attracts more attention because of its wide range of applications such as abnormal event detection, person counting in a dense crowd, person identification, fall detection for care to elderly people, etc. Over the time, various techniques have evolved to enhance the visual information. This article presents a novel 3-D intelligent information system for identifying abnormal human activity using background subtraction, rectification, morphology, neural networks and depth estimation with a thermal camera and a pair of hand held Universal Serial Bus (USB) camera to visualize un-calibrated images. The proposed system detects strongest points using Speed-Up Robust Features (SURF). The Sum of Absolute Difference (SAD) algorithm match the strongest points detected by SURF. 3-D object model and image stitching from image sequences are carried out in the proposed work. A series of images captured from different cameras are stitched into a geometrically consistent mosaic either horizontally/vertically based on the image acquisition. 3-D image and depth estimation of un-calibrated stereo images are acquired using rectification and disparity. The background is separated from the scene using threshold approach. Features are extracted using morphological operators in order to get the skeleton. Junction points and end points of the skeleton image are obtained from the skeleton. Data set of abnormal human activity is created using supervised learning such as neural network with a thermal camera and a pair of webcam. The feature vector of an activity is compared with already created data set, if a match occurs the classifier detects abnormal human activity. Additionally the proposed algorithm performs depth estimation to measure real time distance of objects dynamically. The system use thermal camera, Intel computing stick, converter, video graphics array (VGA) to high-definition multimedia interface (HDMI) and webcams. The proposed novel intelligent information system gives 94% maximum accuracy and 89% minimum accuracy for different activities, thus it effectively detects suspicious activity during day and night.
摄像机中的人体检测因其在异常事件检测、密集人群中人的计数、人的识别、老年人护理跌倒检测等方面的广泛应用而受到越来越多的关注。随着时间的推移,各种技术已经发展到增强视觉信息。本文提出了一种新的三维智能信息系统,利用热像仪和一对手持式通用串行总线(USB)摄像机对未校准的图像进行可视化,利用背景减法、校正、形态学、神经网络和深度估计来识别人类的异常活动。该系统利用加速鲁棒特征(SURF)检测最强点。绝对差和(Sum of Absolute Difference, SAD)算法匹配SURF检测到的最强点。本文对三维目标建模和图像序列拼接进行了研究。从不同的相机拍摄的一系列图像被缝合成几何上一致的马赛克水平/垂直基于图像采集。利用校正和视差对未标定的立体图像进行三维图像和深度估计。采用阈值法将背景与场景分离。利用形态学算子提取特征,得到骨架。从骨架中得到骨架图像的连接点和端点。利用热像仪和一对网络摄像头的神经网络等监督学习方法,创建人类异常活动的数据集。活动的特征向量与已经创建的数据集进行比较,如果出现匹配,分类器检测异常的人类活动。此外,该算法进行深度估计,动态测量目标的实时距离。该系统采用热像仪、英特尔计算棒、转换器、视频图形阵列(VGA)到高清多媒体接口(HDMI)和网络摄像头。提出的新型智能信息系统对不同的活动具有94%的最高准确率和89%的最低准确率,从而有效地检测白天和夜间的可疑活动。
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引用次数: 4
Addressing Latency Issues in 2D to 3D Conversion: Deploying Available Synthetic Database 解决2D到3D转换中的延迟问题:部署可用的合成数据库
Pub Date : 2018-12-01 DOI: 10.11591/IJICT.V7I3.PP141-145
N. Manasa
Conventional 2D to 3D rendering techniques involve a sequential process of grouping of the input images based on edge information and predictive algorithms to assign depth values to pixels with same hue. The iterative calculations and volume of data under scrutiny to assign ‘real-time’ values raise latency issues and cost considerations. For commercial consumption, where speed and accuracy define the viability of a product, there is a need to reorient the approach used in the present methodologies. In predictive methodologies one of the core interests is achieving the initial approximation as close to the ‘real’ value as possible. In this work, ‘synthetic’ database is used to provide the first approximation through comparison techniques and fed to the predictive tool. It is believed that this work will provide a basis for developing an efficient 2D to 3D conversion methodology.
传统的2D到3D渲染技术涉及基于边缘信息和预测算法的输入图像分组的顺序过程,以将深度值分配给具有相同色调的像素。为了分配“实时”值而进行的迭代计算和数据量引发了延迟问题和成本考虑。对于商业消费来说,速度和准确性决定了产品的可行性,因此有必要重新调整目前方法中使用的方法。在预测方法中,核心兴趣之一是使初始近似值尽可能接近“真实”值。在这项工作中,“合成”数据库用于通过比较技术提供第一近似,并提供给预测工具。相信这项工作将为开发有效的2D到3D转换方法提供基础。
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引用次数: 0
Development of Algorithm for Preservation of Heritage Murals and Painting Using Image Processing 基于图像处理的文物壁画和绘画保护算法的发展
Pub Date : 2018-12-01 DOI: 10.11591/IJICT.V7I3.PP146-148
S. Lalithakumari, R. Pandian
Image archiving and preservation finds extensive application in culture heritage murals. The study of cultural heritage is of the extreme importance at national and international levels. Not only global organizations like UNESCO but also museums, libraries, culture, temples and private initiatives are working in these directions. During the last three decades, researchers in the field of imaging discipline have started to contribute an increasing set of algorithms for cultural heritage; in that way providing indispensable support to these efforts. A better comparison of the different compression methods presented in this proposed work for culture Heritage mural images. Compression methods usually applied some method to reduce the number of components within each spectrum. The effectiveness of mural image archiving and preservation is analyzed based on 2-D wavelets filtering. The optimum algorithm is also found based on the results.
图像的归档和保存在文化遗产壁画中得到了广泛的应用。文化遗产的研究在国家和国际层面上都具有极其重要的意义。不仅像联合国教科文组织这样的全球性组织,还有博物馆、图书馆、文化、寺庙和私人倡议都在朝着这些方向努力。在过去的三十年中,成像学科领域的研究人员已经开始为文化遗产贡献越来越多的算法;以这种方式为这些努力提供不可或缺的支持。一个更好的比较不同的压缩方法提出了这一工作提出的文化遗产壁画图像。压缩方法通常采用某种方法来减少每个频谱内的分量数量。分析了基于二维小波滤波的壁画图像存档和保存的有效性。在此基础上找到了最优算法。
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引用次数: 0
Review Paper on Different Dual Band Printed Slot Antenna for 5G Wireless Communication 5G无线通信中不同双频印刷槽天线研究综述
Pub Date : 2018-12-01 DOI: 10.11591/ijict.v7i3.pp105-110
Vibha Raj Nag, Mrinal Sarvagya
With advancement in communication technology over the past decade, there is an increasing demand for miniaturization, cost effective, multiband and wideband antennas. Dual band printed slot antenna designs can support in meeting these requirements. Various techniques, different shapes and geometries have been introduced for size reduction of dual band printed slot antennas. This paper is on various techniques for designing dual band printed slot antenna exhibits details of different geometries developed to get multiband behavior of printed slot antenna. In this paper geometry of the antenna and variousparameters such as return loss plot, gain plot, radiation pattern plot and VSWR plot are discussed. In this paper the review on various techniques of compactness by geometry on different shapes of printed slot antenna for 5G next generation wireless (NGW) mobile application are presented
在过去的十年中,随着通信技术的进步,人们对小型化、低成本、多频带和宽带天线的需求越来越大。双波段印刷槽天线设计可以满足这些要求。为了减小双波段印刷缝隙天线的尺寸,采用了各种技术、不同的形状和几何形状。本文介绍了双频印刷缝隙天线的各种设计技术,详细介绍了为获得印刷缝隙天线的多波段特性而开发的不同几何形状。本文讨论了天线的几何形状以及回波损耗图、增益图、辐射方向图和驻波比图等参数。本文综述了5G下一代无线(NGW)移动应用中不同形状的印刷槽天线几何紧凑的各种技术
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引用次数: 3
A Tour Towards the Various Knowledge Representation Techniques for Cognitive Hybrid Sentence Modeling and Analyzer 认知混合句子建模与分析的各种知识表示技术综述
Pub Date : 2018-12-01 DOI: 10.11591/IJICT.V7I3.PP124-134
Poonam Tanwar, T. V. Prasad, Kamlesh Dutt
Knowledge Representation (KR) is a fascinating field across several areas of cognitive science and computer science. It is very hard to identify the requirement of a combination of many techniques and inference mechanism to achieve the accuracy for the problem domain. This research attempted to examine those techniques, and to apply them to implement a Cognitive Hybrid Sentence Modeling and Analyzer. The purpose of developing this system is to facilitate people who face the problem of using English language in daily life.
知识表示(Knowledge Representation, KR)是横跨认知科学和计算机科学多个领域的一个引人入胜的领域。为了达到问题域的精度,很难确定多种技术和推理机制的组合需求。本研究试图检验这些技术,并将它们应用于实现认知混合句子建模和分析器。开发这个系统的目的是为了方便人们在日常生活中使用英语的问题。
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引用次数: 3
Detection and Separation of Eeg Artifacts Using Wavelet Transform 基于小波变换的脑电信号伪影检测与分离
Pub Date : 2018-12-01 DOI: 10.11591/ijict.v7i3.pp149-156
R. S. Kumar, P. Manimegalai
Bio-medical signal processing is one of the most important techniques of multichannel sensor network and it has a substantial concentration in medical application. However, the real-time and recorded signals in multisensory instruments contains different and huge amount of noise, and great work has been completed in developing most favorable structures for estimating the signal source from the noisy signal in multichannel observations. Methods have been developed to obtain the optimal linear estimation of the output signal through the Wide-Sense-Stationary (WSS) process with the help of time-invariant filters. In this process, the input signal and the noise signal are assumed to achieve the linear output signal. During the process, the non-stationary signals arise in the bio-medical signal processing in addition to it there is no effective structure to deal with them. Wavelets transform has been proved to be the efficient tool for handling the non-stationary signals, but wavelet provide any possible way to approach multichannel signal processing. Based on the basic structure of linear estimation of non-stationary multichannel data and statistical models of spatial signal coherence acquire through the wavelet transform in multichannel estimation. The above methods can be used for Electroencephalography (EEG) signal denoising through the original signal and then implement the noise reduction technique to evaluate their performance such as SNR, MSE and computation time.
生物医学信号处理是多通道传感器网络中最重要的技术之一,在医学领域有着广泛的应用。然而,多感官仪器的实时和记录信号中含有不同的、巨大的噪声,在多通道观测中从噪声信号中估计信号源的最有利结构已经完成了大量的工作。本文提出了一种基于时不变滤波器的宽感知平稳(WSS)过程对输出信号进行最优线性估计的方法。在这个过程中,假设输入信号和噪声信号达到线性输出信号。在生物医学信号处理过程中会出现非平稳信号,并且没有有效的结构来处理它们。小波变换已被证明是处理非平稳信号的有效工具,但小波变换为处理多通道信号提供了任何可能的方法。基于非平稳多通道数据线性估计的基本结构和空间信号相干性的统计模型,通过小波变换在多通道估计中获取。上述方法均可通过对原始信号进行脑电图信号去噪,然后实施降噪技术,对其信噪比、均方差、计算时间等性能进行评价。
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引用次数: 0
Microstrip Antenna with Photographic Paper Substrate for WLAN 无线局域网用相纸基板微带天线
Pub Date : 2018-08-01 DOI: 10.11591/IJICT.V7I2.PP67-70
D. Marotkar, P. Zade
In this paper a compact, flexible, Multiband antenna is designed. It is having flexible Substrate of photographic paper which makes the antenna conformal. The antenna with two U slots cut in radiating patch is offset fed by microstrip lines gives the multiple bands of WLAN /WIMAX Application and two parasitic Elements improves the bandwidth of a typical microstrip antenna. The Measured results shows that the antenna resonates between Frequency band 2.10-2.95 GHz, 3.35-3.54 GHz and 5.04-6.0Hz.which are used for application such as Bluetooth, Wi-Fi, Zigbee, ISM 2.4GHz,WLAN WiMAX, and WLAN 5.2GHz.
本文设计了一种紧凑、灵活的多波段天线。它具有柔性的相纸衬底,使天线保角。在辐射贴片上切割两个U槽的天线由微带线补偿馈电,提供了WLAN /WIMAX应用的多个频段,两个寄生元件提高了典型微带天线的带宽。实测结果表明,天线谐振频率范围为2.10 ~ 2.95 GHz、3.35 ~ 3.54 GHz和5.04 ~ 6.0 hz。用于蓝牙、Wi-Fi、Zigbee、ISM 2.4GHz、WLAN WiMAX和WLAN 5.2GHz等应用。
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引用次数: 8
An Integrated Cross Layer Design to Enhance the Quality of Service of Video Streaming in Mobile Adhoc Networks 一种提高移动自组网视频流服务质量的集成跨层设计
Pub Date : 2018-08-01 DOI: 10.11591/IJICT.V7I2.PP57-62
N. Gomathi, M. Uvaneshwari
The intent of this paper is to put forth a novel technique for improvising the QoS of multimedia applications in by using Modified dynamic mapping algorithm and Multipath transport(MPT) and Multi Description Coding(MDC). The improvement is attained by applying the MDC at application layer along with UDPLite in transport layer and multipath at network layer and Modified dynamic mapping in MAC Layer.Thismethod attains an increase of 30.84% in Peak Signal to Noise Ratio (PSNR) and 18.57% decrease in delay in contrast to the conventional methods.

The intent of this paper is to put forth a novel technique for improvising the QoS of multimedia applications in by using Modified dynamic mapping algorithm and Multipath transport(MPT) and Multi Description Coding(MDC). The improvement is attained by applying the MDC at application layer along with UDPLite in transport layer and multipath at network layer and Modified dynamic mapping in MAC Layer.Thismethod attains an increase of 30.84% in Peak Signal to Noise Ratio (PSNR) and 18.57% decrease in delay in contrast to the conventional methods.

本文的目的是提出一种利用改进的动态映射算法和多路径传输(MPT)和多描述编码(MDC)来提高多媒体应用服务质量的新技术。通过在应用层采用MDC,在传输层采用UDPLite,在网络层采用多路径,在MAC层采用改进的动态映射,实现了性能的提高。与传统方法相比,该方法的峰值信噪比(PSNR)提高了30.84%,延迟降低了18.57%。本文的目的是提出一种利用改进的动态映射算法和多路径传输(MPT)和多描述编码(MDC)来提高多媒体应用服务质量的新技术。通过在应用层采用MDC,在传输层采用UDPLite,在网络层采用多路径,在MAC层采用改进的动态映射,实现了性能的提高。与传统方法相比,该方法的峰值信噪比(PSNR)提高了30.84%,延迟降低了18.57%。
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引用次数: 0
期刊
International Journal of Informatics and Communication Technology (IJ-ICT)
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