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A Novel Energy Efficient Harvesting Technique for SDWSN using RF Transmitters with MISO Beamforming 基于MISO波束形成射频发射机的SDWSN高效能量采集技术
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/1/13
Subaselvi Sundarraj, Gunaseelan Konganathan
Software Defined Wireless Sensor Networks (SDWSN) is emerged to overcome the additional energy consumption in WSN. Even then the sensor nodes in the SDWSN suffer from scarce battery resources. Generally, the Radio Frequency (RF) transmitters are deployed around the base station in the SDWSN to overcome the high energy consumption problem. To enhance harvesting energy and coverage of nodes in the network, a new energy harvesting technique using RF transmitters with Multiple Input and Single Output (MISO) beamforming is proposed. In this method, multiple antenna RF transmitters and single antenna sensor nodes are deployed. The optimization problem subject to Signal to Noise Ratio (SNR) and energy harvesting constraints is formulated for hybrid beamforming design to reduce the transmit power in the network. The optimization problem based on convex Second Order Cone Programming (SOCP) is derived to get the optimal solution for hybrid beamforming design. The beamforming technique is used to steer the beam in the desired direction and null to the other direction improves the energy harvesting. The simulation results show that the proposed technique provides better average harvesting energy, average transmit power, average residual energy and throughput than the existing RF transmitter based energy harvesting methods.
软件定义无线传感器网络(SDWSN)的出现是为了克服无线传感器网络中额外的能量消耗。即使这样,SDWSN中的传感器节点也会受到电池资源稀缺的影响。为了克服SDWSN的高能耗问题,通常在基站周围部署射频发射机(RF)。为了提高能量收集和网络中节点的覆盖,提出了一种利用多输入单输出(MISO)波束形成的射频发射机能量收集新技术。在该方法中,部署了多个天线射频发射器和单个天线传感器节点。提出了基于信噪比和能量收集约束的混合波束形成优化问题,以降低网络发射功率。为了得到混合波束形成设计的最优解,推导了基于凸二阶锥规划的优化问题。采用波束形成技术将波束引导到期望的方向,而将波束引导到另一个方向,提高了能量的收集。仿真结果表明,与现有基于射频发射机的能量收集方法相比,该方法具有更好的平均收集能量、平均发射功率、平均剩余能量和吞吐量。
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引用次数: 2
A method of extracting malware features based on gini impurity increment and improved TF-IDF 基于gini杂质增量和改进TF-IDF的恶意软件特征提取方法
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/3/14
Shimiao Sun, Yashu Liu
In recent years, the quantities and types of malwares have grown explosively, which bring many challenges to identify and detect them. In order to improve the identification efficiency of malicious code, a malicious code feature representation method based on feature dimension reduction is proposed. By fusing the Gini impurity increment and the Improved Term Frequency-Inverse Document Frequency algorithm (ITF-IDF), ΔGini-Improving Term frequency inverse document frequency (ΔGini-ITFIDF) method is presented, which can get more valuable assembly instruction features for family detection. ΔGini-ITFIDF standardizes the assembly instructions of the PE disassembly files, then, measures the two indicators of the expected error rate increment and weight of the malicious code assembly instruction features, and obtains more valuable features to identify malicious codes. The experimental results show that the classification accuracy of the ITF-IDF algorithm is significantly improved compared with the ITF-IDF algorithm. At the same time, ΔGini-ITFIDF can effectively improve the classification performance.
近年来,恶意软件的数量和类型呈爆炸式增长,这给恶意软件的识别和检测带来了许多挑战。为了提高恶意代码的识别效率,提出了一种基于特征降维的恶意代码特征表示方法。通过融合Gini杂质增量和改进的词频逆文档频率算法(ITF-IDF),提出了ΔGini-Improving词频逆文档频率(ΔGini-ITFIDF)方法,该方法可以获得更多有价值的汇编指令特征,用于家族检测。ΔGini-ITFIDF对PE反汇编文件的汇编指令进行标准化,然后对恶意代码汇编指令特征的期望错误率增量和权重两个指标进行度量,从而获得更多有价值的特征来识别恶意代码。实验结果表明,与ITF-IDF算法相比,ITF-IDF算法的分类精度有显著提高。同时,ΔGini-ITFIDF可以有效地提高分类性能。
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引用次数: 1
MAPNEWS: a framework for aggregating and organizing online news articles MAPNEWS:一个用于聚合和组织在线新闻文章的框架
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/3/10
Jeelani Ahmed, Muqeem Ahmed
In recent years, digital news has become increasingly prevalent, with many people getting their news and information from online sources rather than traditional print or broadcast media. This shift has been driven, in part, by the convenience and accessibility of digital platforms, as well as the ability to personalize and customize news feeds. Digital news also allows for greater interactivity and engagement with readers and can reach a global audience almost instantly. News articles contain a plethora of hidden spatial information that, when shared with readers, increases comprehension of current events. Only a few news aggregation systems make this information available to users. Many stories, on the other hand, are not clearly geotagged with their spatial information. In this work, we propose the MapNews framework, a novel system that gathers, analyzes, and presents news articles on a map interface, allowing users to take advantage of their underlying spatial information. MapNews pulls content from several different internet news sources and, using a custom-built geotagger, it extracts geographic content from articles. A rapid online clustering method is used to organize articles into story clusters. Panning and zooming MapNews' map interface allows readers to receive news based on geographic location and category importance, and they will view distinct articles depending on their location. MapNews achieved an ARI score of 0.89 for clustering and an accuracy of 95% in usability testing
近年来,数字新闻变得越来越普遍,许多人从网上获取新闻和信息,而不是传统的印刷或广播媒体。这种转变的部分原因是数字平台的便利性和可访问性,以及个性化和定制新闻源的能力。数字新闻还允许与读者进行更大的互动和参与,几乎可以立即接触到全球受众。新闻文章包含大量隐藏的空间信息,当与读者分享时,可以增加对当前事件的理解。只有少数新闻聚合系统向用户提供这些信息。另一方面,许多故事的空间信息没有明确的地理标记。在这项工作中,我们提出了MapNews框架,这是一个新颖的系统,可以在地图界面上收集、分析和呈现新闻文章,允许用户利用其潜在的空间信息。MapNews从几个不同的互联网新闻来源提取内容,并使用定制的地理标记器,从文章中提取地理内容。采用快速在线聚类方法将文章组织成故事类。平移和缩放MapNews的地图界面允许读者根据地理位置和类别重要性接收新闻,他们将根据自己的位置查看不同的文章。MapNews在聚类方面的ARI得分为0.89,在可用性测试方面的准确率为95%
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引用次数: 0
Modified cuckoo search algorithm for motion vector estimation 运动矢量估计的改进布谷鸟搜索算法
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/3/6
S. Acharjee, S. S. Chaudhuri
Motion estimation and motion compensation are the accepted process in H.264 and H.265 video coding standard to reduce temporal redundancy. Several fast block matching algorithms have been developed to reduce the calculation cost in the motion estimation process. But quick block matching algorithms often lead to a local minimum. Several researchers used different population-based nature-inspired algorithms to perform block matching. Algorithms like genetic algorithm, differential evolution, particle swarm optimization were used in numerous motion estimation algorithms. Different algorithms used a fitness approximation strategy to reduce computation cost. Jaya algorithm-based block matching is the most efficient block matching algorithm in the available literature. Jaya algorithm is free from algorithmic specific parameter which speeds up the process. This article proposes a few modifications to the traditional cuckoo search algorithm and then, a block matching algorithm was proposed based on the modified cuckoo search algorithm. Fitness approximation, adaptive termination, and zero motion prejudgment modules were used with the modified cuckoo search algorithm to reduce the number of redundant calculations. The performance of the proposed algorithm was compared with the exhaustive search algorithm and other benchmarking algorithms in terms of Peak Signal to Noise Ratio (PSNR), Structure Similarity Index (SSIM), and average search point required to calculate a motion vector for a block. The proposed algorithm delivers better performance compared to the benchmarking algorithms.
运动估计和运动补偿是H.264和H.265视频编码标准为减少时间冗余所接受的处理方法。为了减少运动估计过程中的计算量,已经开发了几种快速块匹配算法。但快速块匹配算法往往导致局部最小值。几位研究人员使用不同的基于群体的自然启发算法来执行块匹配。遗传算法、差分进化、粒子群优化等算法被用于许多运动估计算法中。不同的算法采用适应度近似策略来减少计算量。基于Jaya算法的块匹配是现有文献中最有效的块匹配算法。Jaya算法没有特定的算法参数,加快了运算速度。本文对传统的布谷鸟搜索算法进行了修改,并在此基础上提出了一种基于布谷鸟搜索算法的块匹配算法。利用适应度逼近、自适应终止和零运动预判模块,结合改进的布谷鸟搜索算法,减少了冗余计算。在峰值信噪比(PSNR)、结构相似度指数(SSIM)和计算块运动向量所需的平均搜索点等方面,将该算法与穷举搜索算法和其他基准算法进行了性能比较。与基准测试算法相比,该算法具有更好的性能。
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引用次数: 0
Intensification and interpretation of performance in 5G adopting millimeter wave: a survey and future research direction 采用毫米波的5G性能强化与解读:调查与未来研究方向
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/4/6
Nivethitha Vijayaraj, A. Sivasubramanian
In context of high speed broadband communication, 5G optical communication has become a most stimulating and motivating domain in research. Recent cellular network LTE (4G) will not be adequate and effective to fulfill the needs of higher data rate, higher bandwidth, low latency and Quality of service.To achieve the above requirements and to address the challenges 5G optical communication have major considerations, the incorporation of Dense Wavelength Division Multiplexing (DWDM), Millimeter wave (mm-wave) communication, eMBB to make efficient decisions.This article summarize the empowering technology for DWDM, mm-wave signal communication and enhanced Mobile Broadband uses 5G optical communication as an evolution from 4G-LTE communication amenities, with fast communications, good throughput and high capacity, it is a successful aspirant for the increasing broadband communications. Such empowering technology, focused mainly on improving the network structure and efficiency, involves producing the mm-wave broadband signal with easy and cost adequate systems. This paper gives a thorough review on developing and empowering advancements identified with optical communication framework that can meet the huge data rate request of broadband. The article further addresses the research gaps and outlines the important future research direction for enhancing communication using DWDM.
在高速宽带通信的背景下,5G光通信已成为一个最具吸引力和动力的研究领域。最近的蜂窝网络LTE (4G)不足以有效地满足更高的数据速率、更高的带宽、低延迟和服务质量的需求。为实现上述要求并应对5G光通信所面临的挑战,主要考虑结合密集波分复用(DWDM)、毫米波(mm-wave)通信、eMBB等进行高效决策。本文总结了DWDM、毫米波信号通信和增强型移动宽带的赋能技术,5G光通信作为4G-LTE通信便利的演进,具有通信速度快、吞吐量好、容量大的特点,是宽带通信日益增长的成功诉求。这种授权技术主要侧重于改善网络结构和效率,涉及用简单和成本适当的系统产生毫米波宽带信号。本文全面综述了光通信框架的发展和授权进展,以满足宽带的巨大数据速率要求。文章进一步解决了研究空白,并概述了利用DWDM增强通信的重要未来研究方向。
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引用次数: 1
Using MCDM and FaaS in automating the eligibility of business rules in the decision-making process 在决策过程中使用MCDM和FaaS自动化业务规则的资格
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/2/9
Riadh Ghlala, Z. Aouina Kodia, L. B. Said
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引用次数: 0
Evolutionary computing model for finding breast cancer masses using image enhancement procedures with artificial intelligent algorithms 使用人工智能算法的图像增强程序寻找乳腺癌肿块的进化计算模型
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/4/10
Dhivya Samraj, Kuppuchamy Ramasamy, M. Karuppusamy
In this research, Particle Swarm Optimization (PSO) based image equalization is projected to enhance the contrast of different breast cancer images. Breast cancer is the highest and another important root of tumor disease in females worldwide. Mass and microcalcification clusters are a significant early signs of breast cancer. The mortality rate can effectively be decreased by early diagnosis and treatment. Most practical approach for the early detection and identification of breast cancer diseases is mammography. Mammographic images contaminated by noise usually involve image enhancement techniques to aid interpretation. Contrast enhancement is divided into two categories: development of direct contrast and enhancement of indirect contrast. Indirect contrast improvement is used in the image histogram update. Histogram Equalization (HE) is the modest enhancement of the indirect contrast approach usually used for contrast enhancement. The proposed method's average entropy is 5.3251 with the highest structural similarity index 0.99725. The best contrast improvement of this method is 1.0404 and PSNR is 46.3803. The MSE value is 2157.08. This paper recommends an innovative method of enhancing digital mammogram image contrast based on different histogram equalization approaches. The performance of the projected method has been related to other prevailing techniques using the parameters, namely, discrete entropy, contrast improvement index, structural similarity index measure, mean square error, and peak signal-to-noise ratio. Investigational findings indicate that the projected strategy is efficient and robust and shows better results than others.
在本研究中,提出了基于粒子群优化(PSO)的图像均衡化方法来增强不同乳腺癌图像的对比度。乳腺癌是世界范围内女性肿瘤疾病的最高和另一个重要根源。肿块和微钙化团簇是乳腺癌的重要早期征象。早期诊断和治疗可有效降低死亡率。早期发现和鉴别乳腺癌疾病最实用的方法是乳房x光检查。被噪声污染的乳房x线摄影图像通常需要图像增强技术来帮助解释。对比增强分为直接对比发展和间接对比增强两大类。在图像直方图更新中采用间接对比度改进。直方图均衡化(HE)是通常用于对比度增强的间接对比度方法的适度增强。该方法的平均熵为5.3251,最高结构相似指数为0.99725。该方法的最佳对比度提高为1.0404,PSNR为46.3803。MSE为2157.08。本文提出了一种基于不同直方图均衡化方法增强数字乳房x线图像对比度的创新方法。投影方法的性能与使用参数的其他流行技术有关,即离散熵、对比度改进指数、结构相似性指数度量、均方误差和峰值信噪比。调查结果表明,该预测策略是有效和稳健的,并显示比其他更好的结果。
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引用次数: 0
A simple and stable method of creating fingerprint features with image rotation 一种简单稳定的图像旋转指纹特征生成方法
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/4/15
Mohamad M. Al-Laham, M. Al-Ma’aitah, Z. Alqadi
The main purpose of the classification of fingerprints is to devise a formula by which a given collection of fingerprints can be tracked and registered. To accelerate the system for classifying fingerprints, it is necessary to utilize fingerprint image characteristics and avoid the different fingerprint forms arising from fingerprint rotation. This paper presents a simple, new approach to the extraction of characteristics from fingerprint images. The proposed method demonstrates that, for a given image, the features remain constant even after being subjected to a wide range of rotations; thus, it creates an array of characteristics which can be used to identify a person from their fingerprint. To achieve this goal, a basic hit-and-miss operation with different structural components is used to detect and count various features in the fingerprint picture; these features are directly identified based on the texture of the fingerprint. The chosen features are used to index the finger image by generating a frequency of occurrences for each one, such that every fingerprint is represented as a vector of these features. The application of the proposed method shows efficient utilization of execution time and memory usage.
指纹分类的主要目的是设计一个公式,通过该公式可以跟踪和登记一组给定的指纹。为了加快指纹分类系统的速度,必须充分利用指纹图像的特征,避免指纹旋转产生的不同形态。提出了一种简单、新颖的指纹图像特征提取方法。所提出的方法表明,对于给定的图像,即使经过大范围的旋转,特征也保持不变;因此,它创建了一组特征,可用于从指纹中识别一个人。为了实现这一目标,采用了一种基本的不同结构构件的命中和未命中操作,对指纹图像中的各种特征进行检测和计数;这些特征是根据指纹的纹理直接识别的。所选择的特征通过生成每个特征的出现频率来索引手指图像,这样每个指纹都被表示为这些特征的向量。应用表明,该方法有效地利用了执行时间和内存使用。
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引用次数: 0
Estimation model for enhanced predictive object point metric in OO software size estimation using deep learning 基于深度学习的面向对象软件尺寸估计中增强预测对象点度量的估计模型
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/3/1
Vijay Yadav, Raghuraj Singh, Vibhash Yadav
The Software industry’s rapid growth contributes to the need for new technologies. PRICE software system uses Predictive Object Point (POP) as a size measure to estimate Effort and cost. A refined POP metric value for object-oriented software written in Java can be calculated using the Automated POP Analysis tool. This research used 25 open-source Java projects. The refined POP metric improves the drawbacks of the PRICE system and gives a more accurate size measure of software. This paper uses refined POP metrics with curve-fitting neural networks and multi-layer perceptron neural network-based deep learning to estimate the software development effort. Results show that this approach gives an effort estimate closer to the actual Effort obtained through Constructive Cost Estimation Model (COCOMO) estimation models and thus validates refined POP as a better size measure of object-oriented software than POP. Therefore we consider the MLP approach to help construct the metric for the scale of the Object-Oriented (OO) model system.
软件行业的快速发展促进了对新技术的需求。PRICE软件系统使用预测对象点(POP)作为衡量工作量和成本的尺度。用Java编写的面向对象软件的精细化的POP度量值可以使用自动化POP分析工具计算。这项研究使用了25个开源Java项目。改进的POP度量改善了PRICE系统的缺点,并提供了更准确的软件尺寸度量。本文使用精细的POP指标与曲线拟合神经网络和多层感知器神经网络为基础的深度学习来估计软件开发的工作量。结果表明,该方法给出的工作量估计更接近于通过建设性成本估算模型(COCOMO)估算模型获得的实际工作量,从而验证了改进的POP是比POP更好的面向对象软件的大小度量。因此,我们考虑使用MLP方法来帮助构建面向对象(OO)模型系统规模的度量。
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引用次数: 1
A Rule-Induction Approach for Building an Arabic Language Interfaces to Databases 建立阿拉伯语数据库接口的规则归纳法
Pub Date : 2023-01-01 DOI: 10.34028/iajit/20/1/6
Hanane Bais, M. Machkour
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引用次数: 0
期刊
Int. Arab J. Inf. Technol.
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