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Soft Voting-based Ensemble Model for Bengali Sign Gesture Recognition 基于软投票的孟加拉手势识别集成模型
Q2 Computer Science Pub Date : 2022-04-01 DOI: 10.33166/aetic.2022.02.003
M. Rahim, Jungpil Shin, K. Yun
Human hand gestures are becoming one of the most important, intuitive, and essential means of recognizing sign language. Sign language is used to convey different meanings through visual-manual methods. Hand gestures help the hearing impaired to communicate. Nevertheless, it is very difficult to achieve a high recognition rate of hand gestures due to the environment and physical anatomy of human beings such as light condition, hand size, position, and uncontrolled environment. Moreover, the recognition of appropriate gestures is currently considered a major challenge. In this context, this paper proposes a probabilistic soft voting-based ensemble model to recognize Bengali sign gestures. We have divided this study into pre-processing, data augmentation and ensemble model-based voting process, and classification for gesture recognition. The purpose of pre-processing is to remove noise from input images, resize it, and segment hand gestures. Data augmentation is applied to create a larger database for in-depth model training. Finally, the ensemble model consists of a support vector machine (SVM), random forest (RF), and convolution neural network (CNN) is used to train and classify gestures. Whereas, the ReLu activation function is used in CNN to solve neuron death problems and to accelerate RF classification through principal component analysis (PCA). A Bengali Sign Number Dataset named “BSN-Dataset” is proposed for model performance. The proposed technique enhances sign gesture recognition capabilities by utilizing segmentation, augmentation, and soft-voting classifiers which have obtained an average of 99.50% greater performance than CNN, RF, and SVM individually, as well as significantly more accuracy than existing systems.
人类的手势正在成为识别手语最重要、最直观、最基本的手段之一。手语是通过视觉手语的方式来传达不同的意思。手势帮助听力受损的人进行交流。然而,由于光照条件、手的大小、位置、不受控制的环境等因素的影响,手势的识别率很难达到很高的水平。此外,识别适当的手势目前被认为是一个主要的挑战。在此背景下,本文提出了一种基于概率软投票的集成模型来识别孟加拉语手势。我们将这项研究分为预处理、数据增强和基于集成模型的投票过程,以及手势识别的分类。预处理的目的是去除输入图像中的噪声,调整其大小,并分割手势。数据增强应用于创建更大的数据库,用于深入的模型训练。最后,该集成模型由支持向量机(SVM)、随机森林(RF)和卷积神经网络(CNN)组成,用于训练和分类手势。而在CNN中使用ReLu激活函数来解决神经元死亡问题,并通过主成分分析(PCA)加速RF分类。为了提高模型的性能,提出了一个名为“BSN-Dataset”的孟加拉符号数字数据集。本文提出的技术通过使用分割、增强和软投票分类器来增强手势识别能力,这些分类器的性能比CNN、RF和SVM平均提高99.50%,并且比现有系统的准确率高得多。
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引用次数: 1
High Synthetic Audio Compression Model Based on Fractal Audio Coding and Error-Compensation 基于分形音频编码和误差补偿的高合成音频压缩模型
Q2 Computer Science Pub Date : 2022-04-01 DOI: 10.33166/aetic.2022.02.001
A. Ali, Loay E. George
This study presented a model for improving audio files quality using fractal coding specifically when a high compression ratio is required. The proposed high synthetic audio compression model which can be called (HSACM) is based on conventional fractal coding and lifting wavelet transform. Various lifting wavelet transform families and levels are used and their effects on the reconstructed audio files are discussed as well. Audio files from GTZAN dataset and standard measurements for data compression are used in the evaluation of the proposed model. The results reveal that using block length 50 samples which is the worst case, PSNR is increased, on average, from 34.1 to 44.8 dB and from 34.1 to 40.5 dB using lifting wavelet transform with 3 and 2 levels, respectively. Thus, the PSNR is improved by 10 and 5 dB with slightly reducing the compression ratio by 6.2 and 12.5%, respectively. Moreover, it can be noticed that adopting lifting wavelet transform with basis Haar, db1, db4, db5, cdf1.1 and cdf2.2 provide higher audio quality while db6, db8, sym7 and sym8 give the worst audio quality. Furthermore, the performance of HSACM is compared with that of existing work to highlight its performance.
本研究提出了一个使用分形编码提高音频文件质量的模型,特别是当需要高压缩比时。提出了基于传统分形编码和提升小波变换的高合成音频压缩模型(HSACM)。讨论了各种提升小波变换族和层次,并讨论了它们对音频重构文件的影响。采用GTZAN数据集的音频文件和数据压缩的标准测量值来评估所提出的模型。结果表明,在块长为50的最坏情况下,采用3级和2级提升小波变换,PSNR分别从34.1提高到44.8 dB和34.1提高到40.5 dB。因此,PSNR分别提高了10 dB和5 dB,压缩比分别降低了6.2和12.5%。此外,可以注意到,采用Haar基的提升小波变换,db1、db4、db5、cdf1.1和cdf2.2的音频质量较高,而db6、db8、sym7和sym8的音频质量最差。此外,将HSACM的性能与现有工作进行了比较,以突出其性能。
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引用次数: 1
Speeding Up Fermat’s Factoring Method using Precomputation 用预计算加速Fermat分解法
Q2 Computer Science Pub Date : 2022-04-01 DOI: 10.33166/aetic.2022.02.004
Hatem M. Bahig
The security of many public-key cryptosystems and protocols relies on the difficulty of factoring a large positive integer n into prime factors. The Fermat factoring method is a core of some modern and important factorization methods, such as the quadratic sieve and number field sieve methods. It factors a composite integer n=pq in polynomial time if the difference between the prime factors is equal to ∆=p-q≤n^(0.25) , where p>q. The execution time of the Fermat factoring method increases rapidly as ∆ increases. One of the improvements to the Fermat factoring method is based on studying the possible values of (n mod 20). In this paper, we introduce an efficient algorithm to factorize a large integer based on the possible values of (n mod 20) and a precomputation strategy. The experimental results, on different sizes of n and ∆, demonstrate that our proposed algorithm is faster than the previous improvements of the Fermat factoring method by at least 48%.
许多公钥密码系统和协议的安全性依赖于将大正整数n分解为素数因子的难度。费马分解法是二次型筛法、数域筛法等现代重要的分解方法的核心。如果质因数之差等于∆=p-q≤n^(0.25),则在多项式时间内分解复合整数n=pq,其中p>q。费马分解法的执行时间随着∆的增大而迅速增加。对费马分解法的改进之一是基于对(n mod 20)的可能值的研究。本文介绍了一种基于(n mod 20)可能值的大整数的高效因式分解算法和一种预计算策略。在不同大小的n和∆上的实验结果表明,我们提出的算法比之前改进的费马分解方法至少快48%。
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引用次数: 0
FCERP: A Novel WSNs Fuzzy Clustering and Energy Efficient Routing Protocol FCERP:一种新的无线传感器网络模糊聚类和节能路由协议
Q2 Computer Science Pub Date : 2022-01-01 DOI: 10.33166/aetic.2022.01.002
Z. Alansari, M. Siddique, M. Ashour
Wireless sensor networks (WSNs) are set of sensor nodes to monitor and detect transmitted data to the sink. WSNs face significant challenges in terms of node energy availability, which may impact network sustainability. As a result, developing protocols and algorithms that make the best use of limited resources, particularly energy resources, is critical issues for designing WSNs. Routing algorithms, for example, are unique algorithms as they have a direct and effective relationship with lifetime of network and energy. The available routing protocols employ single-hop data transmission to the sink and clustering per round. In this paper, a Fuzzy Clustering and Energy Efficient Routing Protocol (FCERP) that lower the WSNs energy consuming and increase the lifetime of network is proposed. FCERP introduces a new cluster-based fuzzy routing protocol capable of utilizing clustering and multiple hop routing features concurrently using a threshold limit. A novel aspect of this research is that it avoids clustering per round while considering using fixed threshold and adapts multi-hop routing by predicting the best intermediary node for clustering and the sink. Some Fuzzy factors such as residual energy, neighbors amount, and distance to sink considered when deciding which intermediary node to use.
无线传感器网络(WSNs)是一组传感器节点,用于监测和检测传输到接收器的数据。无线传感器网络在节点能量可用性方面面临重大挑战,这可能会影响网络的可持续性。因此,开发能够充分利用有限资源,特别是能源资源的协议和算法,是设计无线传感器网络的关键问题。例如,路由算法是一种独特的算法,因为它与网络的寿命和能量有直接而有效的关系。可用的路由协议采用单跳数据传输到接收器和每轮集群。本文提出了一种模糊聚类节能路由协议(FCERP),以降低无线传感器网络的能量消耗,提高网络的生存期。FCERP引入了一种新的基于集群的模糊路由协议,该协议使用阈值限制同时利用集群和多跳路由特性。本研究的新颖之处在于,它在考虑使用固定阈值的同时避免了每轮聚类,并通过预测聚类和汇聚的最佳中间节点来适应多跳路由。在确定使用哪个中间节点时,考虑了剩余能量、邻居数量、下沉距离等模糊因素。
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引用次数: 3
Application of Artificial Intelligence (AI) in Dredging Efficiency in Bangladesh 人工智能(AI)在孟加拉国疏浚效率中的应用
Q2 Computer Science Pub Date : 2022-01-01 DOI: 10.33166/aetic.2022.01.005
M. Bashir
The integration of Artificial Intelligence (AI) into the dredging systems and dredging machinery used in "capital" and "maintenance" dredging in Bangladesh can enhance the efficiency of the machines and dredging process, enabling the operators to perform regular and repetitive dredging tasks safely in the rivers, ports, and estuaries all over the country. AI, including Big Data, Machine Learning, Internet of Thing, Blockchain and Sensors and Simulators with their catalytic potentials, can systematically compile and evaluate specific data collected from different sources, develop applications or simulators, connect the stakeholders on a virtual platform, store lakes of information without compromising their intellectual rights, predicting models to harness the challenges, minimise the cost of dredging, identify possible threats and help protect the already dredged areas by giving timely signals for further maintenance. Furthermore, the application of AI modulated dredging devices and machinery can play a significant role when monitoring aspects becomes crucial, keeping environmental impacts mitigated without affecting the quality of the human environment. This study includes the evaluation of the application of AI – its prospect and challenges in the existing dredging systems in Bangladesh against the backdrop of the challenges faced in capital and maintenance dredging in the major rivers – and assess whether such inclusion of AI is likely to minimise the cost of dredging in the rivers of Bangladesh and facilitate the materialisation of the objectives of Bangladesh Delta Plan 2100.This paper studies the organisation's infrastructural requirement for the integration of AI into dredging systems, using benchmarking such as 1- "Understanding AI Ready Approach", 2-"Strategies for Implementing AI", 3-"Data Management", 4-"Creating AI Literate Workforce and Upskilling", and 5-"Identifying Threats" concerning the management and dredging operations of Bangladesh Inland Water Transport Authority (BIWTA), under Bangladesh Ministry of Shipping and Bangladesh Water Development Board (BWDB). The paper also uses several case studies such as channel dredging to show that the use of AI can bring a significant change in the dredging operations both in reducing the cost of dredging and in terms of harnessing the barriers in adaptive management and environmental impacts.
将人工智能(AI)集成到疏浚系统和疏浚机械中,用于孟加拉国的“资本”和“维护”疏浚,可以提高机器和疏浚过程的效率,使操作员能够在全国各地的河流、港口和河口安全地执行定期和重复的疏浚任务。人工智能,包括大数据、机器学习、物联网、区块链以及具有催化潜力的传感器和模拟器,可以系统地编译和评估从不同来源收集的特定数据,开发应用程序或模拟器,在虚拟平台上连接利益相关者,在不损害其知识产权的情况下存储信息湖,预测模型以应对挑战,最大限度地降低疏浚成本,识别可能的威胁,并及时发出信号,帮助保护已疏浚的区域,以便进一步维护。此外,当监测方面变得至关重要时,人工智能调制疏浚设备和机械的应用可以发挥重要作用,在不影响人类环境质量的情况下减轻环境影响。本研究包括评估人工智能的应用——在主要河流的资本和维护疏浚面临挑战的背景下,人工智能在孟加拉国现有疏浚系统中的前景和挑战——并评估人工智能的这种纳入是否有可能最大限度地降低孟加拉国河流疏浚的成本,并促进孟加拉国三角洲计划2100目标的实现。本文研究了该组织将人工智能集成到疏浚系统中的基础设施要求,使用基准测试,如1-“理解人工智能就绪方法”,2-“实施人工智能的战略”,3-“数据管理”,4-“创建人工智能识字的劳动力和提高技能”,以及5-“识别威胁”,涉及孟加拉国内河水运管理局(BIWTA)的管理和疏浚操作。隶属于孟加拉国航运部和孟加拉国水发展局(BWDB)。该论文还使用了几个案例研究,如航道疏浚,以表明人工智能的使用可以在降低疏浚成本和消除适应性管理和环境影响方面的障碍方面给疏浚作业带来重大变化。
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引用次数: 0
Geotechnical Management of Isolated Sustainable Alpine Communities 孤立的可持续高山社区的岩土工程管理
Q2 Computer Science Pub Date : 2022-01-01 DOI: 10.33166/aetic.2022.01.004
Petrit Imeraj, Maaruf Ali, Gent Imeraj
The Albanian Alps are situated in a mountainous block in the Northern Albania region, in the counties of Shkodër (also known as Shkodra or Gegëria) and Kukës (Kukësi). The nature of the mountainous terrain formation has led to the creation of isolated communities. The need for integrating these scattered communities into a cohesive co-operating community for area sustainability is now possible by using the Internet to link them all onto an online system. To deal with natural catastrophes, disaster management cells will be created which will serve as hubs. These hubs will be located at geographically strategic positions that will enable a predetermined geofenced region for evaluation of different disasters viz. forest fires, landslide, flooding, avalanches, the burial of villages under heavy snowfalls, etc. These cells will connect the particular case with the most appropriate disaster relief, rescue service and EMR (Emergency Medical Responder), first aid services (e.g. Green Crescent/Red Cross) and EMT (Emergency Medical Technician) personnel. The cells shall be managed by locally trained human resources with the necessary equipment to provide the monitoring/analyses and first aid assistance in case of need. The technology needed for the monitoring and geotechnical management of the isolated Alpine communities will be described. The socio-economic impact of the deployment of these technologies aiding in the sustainability of these vulnerable communities will conclude the research.
阿尔巴尼亚阿尔卑斯山位于阿尔巴尼亚北部地区的一个山区,位于什科德尔县(也称为什科德拉县或盖格里亚县)和库克斯县(库克西县)。山地地形形成的性质导致了孤立社区的形成。通过使用互联网将这些分散的社区连接到一个在线系统,现在有可能将这些社区整合为一个有凝聚力的合作社区,以实现地区的可持续性。为了应对自然灾害,将设立灾害管理小组,作为中心。这些中心将位于地理战略位置,这将使预定的地理围栏区域能够评估不同的灾害,即森林火灾、滑坡、洪水、雪崩、大雪下的村庄掩埋等。这些单元将把特定情况与最合适的救灾、救援服务和EMR(紧急医疗响应者)联系起来,急救服务(如绿新月/红十字会)和EMT(紧急医疗技术员)人员。牢房应由经过当地培训的人力资源管理,配备必要的设备,以便在需要时提供监测/分析和急救援助。将描述对孤立的阿尔卑斯山社区进行监测和岩土工程管理所需的技术。这些技术的部署有助于这些弱势社区的可持续性,其社会经济影响将结束这项研究。
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引用次数: 1
A Comparative and Analytical Study for Choosing the Best Suited SDN Network Operating System for Cloud Data Center 选择最适合云数据中心的SDN网络操作系统的比较分析研究
Q2 Computer Science Pub Date : 2022-01-01 DOI: 10.33166/aetic.2022.01.003
Maiass Zaher, S. Molnár
The growing deployment of Software Defined Network (SDN) paradigm in the academic and commercial sectors resulted in many different Network Operating Systems (NOS). As a result, adopting the right NOS requires an analytical study of the available alternatives according to the target use case. This study aims to determine the best NOS according to the requirements of Cloud Data Center (CDC). This paper evaluates the specifications of the most common open-source NOSs. The studied features have been classified into two groups, i.e., non-functional features such as availability, scalability, ease of use, maturity, security and interoperability, and functional features, such as virtualization, fault verification and troubleshooting, packet forwarding techniques and traffic protection solutions. A Decision support system, Analytical Hierarchy Process (AHP) has been applied for assessing specifications of the inspected NOSs, namely, ONOS, Opendaylight (ODL), Floodlight, Ryu, POX and Tungsten. Our investigation revealed that ODL is the most suitable NOS for CDC compared to the rest studied NOSs. However, ODL and ONOS have almost similar scores compared to the rest NOSs.
随着软件定义网络(SDN)范例在学术界和商业领域的日益普及,出现了许多不同的网络操作系统(NOS)。因此,采用正确的NOS需要根据目标用例对可用的替代方案进行分析研究。本研究旨在根据云数据中心(CDC)的需求确定最佳的NOS。本文评估了最常见的开源NOSs的规范。所研究的特性可分为两类:非功能特性(如可用性、可扩展性、易用性、成熟度、安全性和互操作性)和功能特性(如虚拟化、故障验证和故障排除、数据包转发技术和流量保护解决方案)。决策支持系统——层次分析法(AHP)被用于评估已检查的nos规格,即ONOS, Opendaylight (ODL),泛光灯,Ryu, POX和Tungsten。我们的调查显示,与其他研究的NOS相比,ODL是最适合CDC的NOS。然而,ODL和ONOS与其他NOSs相比得分几乎相似。
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引用次数: 1
Theories of Blockchain 区块链理论
Q2 Computer Science Pub Date : 2021-11-01 DOI: 10.1201/9781003121466-4
N. Arora
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引用次数: 0
Artificial Intelligence Innovations 人工智能创新
Q2 Computer Science Pub Date : 2021-11-01 DOI: 10.1201/9781003121466-2
Shruti Gupta, Ashish Kumar, Pramod Kumar, Pastor Arguelles
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引用次数: 0
Introduction to Emerging Technologies in Computer Science and Its Applications 计算机科学及其应用新兴技术导论
Q2 Computer Science Pub Date : 2021-11-01 DOI: 10.1201/9781003121466-1
U. Kant, V. Kumar
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引用次数: 0
期刊
Annals of Emerging Technologies in Computing
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