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Emergency Automobile Data Transmission with Ant Colony Optimization (ACO) 基于蚁群算法的应急汽车数据传输
Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.5.1003-1011
Chetana Hemant Nemade, Uma Pujeri
—Vehicular Adhoc Networks (VANET) have grown in popularity recently. Several analytical challenges must address to build VANETs that improve driver assistance, safety, and traffic management. Another big problem is the development of expandable route findings that can assess fast topography variations and numerous network detachments brought on through excellent vehicle quality. This paper will first discuss extensive technological investigations comprising and defects of the current progressive routing algorithms. Then, author suggests an entirely original routing theme called Emergency Data Transmission using ACO (EDTA). Design this protocol to use any freeway the ambulance driver has access to or any less-traveled paths with the least amount of communication overhead and delay and the highest amount of communication throughput. The patients received treatment more promptly since the driver was alerted earlier. Author developed a novel fitness function for the Ant Colony Optimization (ACO) that concentrates on two crucial vehicle parameters: current travel speed and data/network congestion. The ACO is used to optimize to identify a more stable and reliable channel that enables rapid communication between vehicles. The performance of this protocol will compare to that of a state-of-the-art protocol in conclusion with “average throughput”, “packet delivery ratio”, “communication overhead”
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引用次数: 0
Intelligent Traffic Routing Algorithm for Wireless Sensor Networks in Agricultural Environment 农业环境下无线传感器网络的智能交通路由算法
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.1.46-55
T. M. Tshilongamulenzhe, Topside E. Mathonsi, D. D. Plessis, M. Mphahlele
Wireless Sensor Networks (WSNs) is an area that has attracted a lot of attention currently worldwide. WSNs are implemented to monitor temperature, humidity, and pressure, among others within the agricultural environment. This paper addresses the traffic congestion that occurs within WSNs in the agricultural environment during packet transmission that is normally caused by head-of-line blocking. As a result, packet loss, packet delay, and network performance impairment occurred during packet distribution in the network. This paper proposed an Intelligence Traffic Routing (ITR) algorithm to manage packet flow to avoid traffic congestion in WSNs within the agricultural environment while improving Quality of Service (QoS). The LBRM (Load Balancing Routing Management) and MLCC (Machine Learning Congestion Control) algorithms were integrated to develop the proposed ITR algorithm. Network Simulator 2 (NS-2) was used to test the effectiveness of the proposed ITR algorithm. The simulation results showed that the proposed ITR algorithm reduced packet loss by 27.3%, packet delay by 43.4%, and improved network throughput by 98.4% when compared with LBRM and MLCC algorithms.
无线传感器网络(WSNs)是目前世界范围内备受关注的一个领域。实现wsn用于监测农业环境中的温度、湿度和压力等。本文研究了农业环境下无线传感器网络在分组传输过程中发生的流量拥塞问题,这种拥塞通常是由线头阻塞引起的。在网络中分发报文时,会出现丢包、报文延迟、网络性能降低等问题。本文提出了一种智能流量路由(ITR)算法,在提高服务质量(QoS)的同时,对农业环境下的无线传感器网络进行分组流管理,避免网络中的流量拥塞。将负载均衡路由管理(LBRM)和机器学习拥塞控制(MLCC)算法集成在一起,开发了提出的ITR算法。利用网络模拟器2 (NS-2)测试了所提出的ITR算法的有效性。仿真结果表明,与LBRM和MLCC算法相比,提出的ITR算法丢包率降低27.3%,时延降低43.4%,网络吞吐量提高98.4%。
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引用次数: 2
A Coloured Image Watermarking Based on Genetic K-Means Clustering Methodology 基于遗传k均值聚类方法的彩色图像水印
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.2.242-249
Zainab Falah Hassan, Farah Al-Shareefi, Hadeel Qasem Gheni
— There are two techniques long-established in image watermarking area, namely the k-means and genetic algorithms. The first one is commonly used to allocate an image’s pixels into distinct clusters. However, the allocation of these pixels is not optimal in all cases. The second technique is usually employed to produce an optimal watermarking solution. In this paper, a hybrid methodology is presented for coloured image watermarking that integrates both genetic algorithm and k-means clustering activity to attain the optimized cluster centroids. These centroids are utilized to optimally distribute the pixels of the cover and watermark images into suitable clusters. This will help decrease the perceptible changes in the watermarked image with the naked eye. For concealment, the Least Significant Bits method is adopted. Typically, the pixels of every watermark cluster are concealed in its closest cover’s cluster; wherein every two successive pixels hide the bits of a single cover image’s pixel. The experimental results demonstrate that the proposed methodology satisfies a sufficient imperceptibility that yields and boosts resistance against common attacks.
在图像水印领域有两种成熟的技术,即k-means和遗传算法。第一个通常用于将图像的像素分配到不同的簇中。然而,这些像素的分配并非在所有情况下都是最优的。第二种技术通常用于生成最优的水印解决方案。本文提出了一种结合遗传算法和k-means聚类活动的彩色图像水印混合方法,以获得优化的聚类质心。利用这些质心将覆盖图像和水印图像的像素最佳地分布到合适的簇中。这将有助于减少肉眼在水印图像中可察觉的变化。对于隐藏,采用最低有效位方法。通常,每个水印簇的像素都隐藏在其最近的覆盖簇中;其中,每两个连续像素隐藏单个封面图像像素的位。实验结果表明,该方法具有较好的隐蔽性,能够有效抵抗常见攻击。
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引用次数: 0
Large-Scale Insect Pest Image Classification 大规模害虫图像分类
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.2.328-341
Thanh-Nghi Doan
— One of the main issues with agricultural production is insect attack, which leads to poor crop quality. Farmers, however, have a complicated and time-consuming task in detecting and categorizing insects. Therefore, research on an effective system for image-based automated insect classification is crucial. The conventional “softmax” function is utilized to determine the category for new image occurrences and minimize “cross-entropy” loss in the bulk of current research, which focuses on employing deep convolutional neural networks to categorize insect images. This paper presents a novel method for large-scale insect pest image classification by combining fine-tuning EfficientNets and Power Mean Support Vector Machine (SVM). First, EfficientNet models are fine-tuned and re-trained on new insect pest image datasets. The retrieved features from EfficientNet models are then utilized to create a machine learning classifier. In the network’s classification stage, the traditional “softmax” function is substituted with a non-linear classifier, Power Mean SVM. As a result, rather than “cross-entropy loss,” the training process focuses on reducing “margin-based loss.” Several benchmark insect image datasets were used to evaluate our proposed method. According to the numerical results, our method outperforms other cutting-edge methods for large-scale insect pest image categorization. With fine-tuning EfficientNets and Power Mean SVM, the classification accuracy of the proposed method for the Xie24, D0, and IP102 large insect pest datasets is 99%, 99%, and 72.31%, respectively. To our knowledge, these are the best performing image classification results for these datasets.
-农业生产的主要问题之一是虫害,这导致作物质量差。然而,农民在检测和分类昆虫方面有一项复杂而耗时的任务。因此,研究一种有效的基于图像的昆虫自动分类系统至关重要。在目前的大部分研究中,传统的“softmax”函数被用来确定新图像出现的类别,并最小化“交叉熵”损失,这些研究主要是利用深度卷积神经网络对昆虫图像进行分类。本文提出了一种结合精细化效率网络和功率平均支持向量机(Power Mean Support Vector Machine, SVM)的大规模害虫图像分类方法。首先,在新的害虫图像数据集上对EfficientNet模型进行微调和重新训练。然后利用从EfficientNet模型中检索到的特征来创建机器学习分类器。在网络的分类阶段,将传统的softmax函数替换为非线性分类器Power Mean SVM。因此,训练过程侧重于减少“基于边际的损失”,而不是“交叉熵损失”。使用几个基准昆虫图像数据集对我们提出的方法进行了评估。数值结果表明,该方法优于其他先进的大规模害虫图像分类方法。通过对EfficientNets和Power Mean SVM进行微调,该方法对Xie24、D0和IP102大型害虫数据集的分类准确率分别为99%、99%和72.31%。据我们所知,这些是这些数据集表现最好的图像分类结果。
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引用次数: 2
A Novel Fuzzy-Based Thresholding Approach for Blood Vessel Segmentation from Fundus Image 一种基于模糊阈值的眼底血管分割新方法
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.2.185-192
Farha Fatina Wahid, R. G., S. M. Joseph, Debabrata Swain, Om Prakash Das, Biswaranjan Acharya
F.F.W
F.F.W
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引用次数: 6
A Novel Approach to Forecast Crude Oil Prices Using Machine Learning and Technical Indicators 利用机器学习和技术指标预测原油价格的新方法
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.2.302-310
Kshitij A. Kakade, Kshitish Ghate, Rajat K Jaiswal, R. Jaiswal
—This study proposes to use a hybrid ensemble learning approach to improve the prediction efficiency of crude oil prices. It combines the Long Short-Term Memory (LSTM) with factors that influence the price of crude oil. The information from fundamental and technical indicators is considered along with statistical model predictions like autoregressive integrated moving average (ARIMA)to make one-step-ahead crude oil price predictions. A Principal Component Analysis (PCA) approach is employed to transform the explanatory variables. This study combines the LSTM with PCA, jointly known as the LP model wherein PCA transforms of the fundamental and technical indicators are used as inputs to improve LSTM predictions. Further, it attempts to improve these predictions by introducing the LSTM+PCA+ARIMA (LPA) model, which uses an ensemble learning approach to utilize the forecast from the ARIMA model, as an additional input. Among LP and LPA models, the LSTM model is used as a benchmark to evaluate the performance of the hybrid models. Based on the result, a significant improvement is seen in the LP model over the chosen window sizes and error metrics. On the other hand, the LPA model performs better across all dimensions with an average improvement of 41% over the LSTM model in terms of forecasting accuracy. Moreover, the equivalence of forecasting accuracy is tested using the Diebold-Mariano and Wilcoxon signed-rank tests
本研究提出使用混合集成学习方法来提高原油价格的预测效率。它将长短期记忆(LSTM)与影响原油价格的因素结合起来。来自基本面和技术指标的信息与统计模型预测(如自回归综合移动平均(ARIMA))一起考虑,以提前一步预测原油价格。采用主成分分析方法对解释变量进行变换。本研究将LSTM与PCA相结合,共同称为LP模型,其中使用基本指标和技术指标的PCA变换作为输入来改进LSTM预测。此外,它试图通过引入LSTM+PCA+ARIMA (LPA)模型来改进这些预测,该模型使用集成学习方法利用ARIMA模型的预测作为额外输入。在LP模型和LPA模型中,以LSTM模型作为评价混合模型性能的基准。基于结果,在选择的窗口大小和误差度量上,可以看到LP模型的显著改进。另一方面,LPA模型在所有维度上表现更好,在预测精度方面比LSTM模型平均提高41%。此外,使用Diebold-Mariano和Wilcoxon符号秩检验检验了预测精度的等价性
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引用次数: 0
Parallel Software Encryption of AES Algorithm by Using CAM-Based Massive-Parallel SIMD Matrix Core for Mobile Accelerator 基于cam的移动加速器大规模并行SIMD矩阵核对AES算法进行并行软件加密
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.2.355-362
Kyosuke Kageyama, Sota Arai, Hajime Hamano, Xiangbo Kong, T. Kumaki, T. Koide
—Recently, it has become possible to execute various digital multimedia applications, such as image compression, video compression, and audio processing, on mobile devices — as long as the processing core in the mobile device has the required high levels of performance, versatility, and programmability. Generally speaking, multimedia applications operate by performing repeated arithmetic and table-lookup coding operations. Therefore, to make it easier to achieve those required high levels of performance, versatility, and programmability, we propose an accelerator for mobile Central Processing Units (CPUs) known as a Content Addressable Memory-based massive-parallel Single Instruction Multiple Data (SIMD) Matrix Core (CAMX) that improves the processing speeds of both arithmetic and table-lookup coding operations. Our proposed CAMX, which is equipped with two CAM modules, has highly parallel processing capabilities that facilitate fast table-lookup coding operations. In fact, the results of Advanced Encryption Standard (AES) encryption simulations conducted in this study show that its AES encryption total clock cycles are 1,362,699. Additionally, a detailed breakdown of the number of clock cycles shows 1,312,160 for SubBytes, a combined total of 17,161 for ShiftRows and MixColumns, and 2519 for AddRoundKey. This paper also confirmed that CAMX could process AES encryptions at a rate of 83.17 clock cycles/byte. Also, the performance of CAMX, related works, and existing mobile processors are compared. The related works do not have a dedicated circuit for AES processing. From the comparison results, CAMX provides a performance improvement of approximately 4.4-and 3569.1-times over the related works. The existing mobile processors are Texas Instruments (TI) DM3730 and a TI OMAP3530. From the comparison results, CAMX provides a performance improvement of approximately 2.1 times over TI DM3730 and TI OMAP3530.
-最近,在移动设备上执行各种数字多媒体应用程序(如图像压缩、视频压缩和音频处理)已经成为可能——只要移动设备中的处理核心具有所需的高水平性能、多功能性和可编程性。一般来说,多媒体应用程序通过执行重复的算术和表查找编码操作来运行。因此,为了更容易实现所需的高水平性能、多功能性和可编程性,我们提出了一种用于移动中央处理单元(cpu)的加速器,称为基于内容可寻址内存的大规模并行单指令多数据(SIMD)矩阵核心(CAMX),它可以提高算术和表查找编码操作的处理速度。我们提出的CAMX配备了两个CAM模块,具有高度并行的处理能力,可以促进快速的表查找编码操作。实际上,本研究进行的高级加密标准(Advanced Encryption Standard, AES)加密仿真结果表明,其AES加密总时钟周期为1,362,699。此外,时钟周期数量的详细细分显示SubBytes为1,312,160,ShiftRows和MixColumns的总和为17,161,AddRoundKey为2519。本文还证实了CAMX能够以83.17时钟周期/字节的速率处理AES加密。并对CAMX的性能、相关工作以及现有的移动处理器进行了比较。相关工作没有专门的AES处理电路。从比较结果来看,CAMX提供了大约4.4倍和3569.1倍的性能提升。现有的移动处理器是德州仪器(TI) DM3730和TI OMAP3530。从比较结果来看,CAMX的性能比TI DM3730和TI OMAP3530提高了约2.1倍。
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引用次数: 0
Breast Cancer Classification Using an Extreme Gradient Boosting Model with F-Score Feature Selection Technique 基于f -评分特征选择技术的极端梯度增强模型的乳腺癌分类
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.2.363-372
Tina Elizabeth Mathew
—Breast cancer is considered the most problematic of all cancers affecting women. With high incidence and mortality rates, it is ranked as the primary and most significant health hazard for women globally. Early detection of the disease is the key to ensure the survival of the patient. Several medical techniques comprising of Mammography, Magnetic Resonance Imaging, Thermography and many more are available to detect the disease. But these techniques create much stress and pain, besides employing harmful rays for detection, to the patient undergoing them. Hence for early detection other categories of techniques can be implemented. Machine-learning assisted detection and classification is one such alternative. In this paper a hyper parameter optimized extreme gradient boosting model implemented along with F-Score feature selection is proposed and the model is used for classification of the breast tumor as either malignant or benign on the Wisconsin Breast Cancer dataset. The implementation of feature importance is investigated using F-Score and this is used for selecting the most relevant features that influence the target variable and classification is based on this. Experimentation is done using different training-testing partitions and the best performance of 99.27% accuracy score was shown by the 80−20 partition by the proposed XGBoost and F-Score Model.
乳腺癌被认为是影响女性的所有癌症中问题最大的。由于发病率和死亡率高,它被列为全球妇女主要和最严重的健康危害。早期发现疾病是保证患者生存的关键。包括乳房x光摄影、磁共振成像、热成像等多种医学技术可用于检测该疾病。但是这些技术除了使用有害射线进行检测外,还会给患者带来很大的压力和痛苦。因此,为了早期发现,可以实施其他类别的技术。机器学习辅助检测和分类就是这样一种选择。本文提出了一种与F-Score特征选择一起实现的超参数优化的极端梯度增强模型,并将该模型用于威斯康星乳腺癌数据集上乳腺肿瘤的恶性或良性分类。使用F-Score调查特征重要性的实现,这用于选择影响目标变量的最相关特征,并以此为基础进行分类。使用不同的训练测试分区进行了实验,结果表明,使用所提出的XGBoost和F-Score模型进行的80−20分区的准确率达到99.27%。
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引用次数: 3
An Analysis and Comparison of Proprietary and Open-Source Software for Building E-commerce Website: A Case Study 电子商务网站专用软件与开源软件的分析与比较——以电子商务网站为例
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.3.426-430
E. Blancaflor, Sasky A. Samonte
—Starting an e-commerce website has been one of the most successful business ideas in recent years. Managing an e-commerce website used to be challenging, but thanks to advances in technology, it is now feasible to successfully manage an e-commerce website by choosing the right e-commerce platform. Almost every company nowadays has a website, particularly those that cater to digital or internet-based clientele. Starting a modest online store is straightforward, but as the company expands, the expectations get more specialized, and they are not met. Unfortunately, “ready to go” solutions are typically resistive to acceptance, meaning that all individual changes are not warmly welcomed. This study analyzed and compared the two types of software used in building e-commerce websites in the Philippines’ popular websites and detected the current web technologies and conducted an online survey using qualitative approach with the participation of experts and familiar with e-commerce system. It also to identified what are the things need to consider when choosing software. As results from the surveys on e-commerce software, the most significant variables to consider when choosing an e-commerce software, whether proprietary or open source, are security and performance, followed by time and budget when establishing an e-commerce website.
开办电子商务网站是近年来最成功的商业理念之一。管理一个电子商务网站曾经是一个挑战,但由于技术的进步,现在通过选择合适的电子商务平台来成功管理一个电子商务网站是可行的。如今,几乎每家公司都有一个网站,尤其是那些迎合数字或互联网客户的公司。开一家普通的网上商店很简单,但随着公司的扩张,人们的期望变得更加专业化,而这些期望却无法满足。不幸的是,“准备就绪”的解决方案通常是难以接受的,这意味着所有的单个更改都不受欢迎。本研究对菲律宾热门网站中两种电子商务网站建设软件进行了分析和比较,并对目前的网络技术进行了检测,并在熟悉电子商务系统的专家的参与下,采用定性的方法进行了在线调查。它还可以确定在选择软件时需要考虑的事情。根据对电子商务软件的调查结果,在选择电子商务软件时,无论是专有的还是开源的,最重要的变量是安全性和性能,其次是建立电子商务网站时的时间和预算。
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引用次数: 0
Efficient FPGA-Based Convolutional Neural Network Implementation for Edge Computing 基于fpga的高效卷积神经网络边缘计算实现
IF 1 Q3 Computer Science Pub Date : 2023-01-01 DOI: 10.12720/jait.14.3.479-487
C. Pham-Quoc, T. N. Thinh
—In recent years, accelerating convolutional neural networks on Field Programmable Gate Array (FPGA) to improve the performance of the inference phase of artificial intelligent edge computing applications is a promising approach. This paper presents our proposed architecture for building a convolution neural network acceleration core on FPGA. The proposed FPGA-based core targets edge computing platforms where hardware resources and power efficiency are essential requirements. We use the MobileNet neural network model for image classification as a case study to evaluate our proposed system. We compare our work with a quad-core ARM Cortex processor at 1.2GHz and achieve speed-ups by up to 14.77 × convolution operators. Although our system is worse than a 6-core Intel Core i7 processor, it is more energy-efficiency than the Intel processor. Our proposed system is the best fit for edge computing.
近年来,在现场可编程门阵列(FPGA)上加速卷积神经网络来提高人工智能边缘计算应用推理阶段的性能是一种很有前途的方法。本文提出了在FPGA上构建卷积神经网络加速核的架构。提出的基于fpga的核心目标是硬件资源和功率效率是基本要求的边缘计算平台。我们使用MobileNet神经网络模型进行图像分类作为案例研究来评估我们提出的系统。我们将我们的工作与1.2GHz的四核ARM Cortex处理器进行了比较,并实现了高达14.77倍卷积算子的加速。虽然我们的系统不如6核英特尔酷睿i7处理器,但它比英特尔处理器更节能。我们提出的系统最适合边缘计算。
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引用次数: 1
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Journal of Advances in Information Technology
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