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2021 IEEE International Conference on Artificial Intelligence in Engineering and Technology (IICAIET)最新文献

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Optimization of Signalized Traffic Network using Swarm Intelligence 基于群体智能的信号交通网络优化
M. K. Tan, Mohd. Riezman Ladillah, H. S. Chuo, Kit Guan Lim, R. Chin, K. Teo
Traffic lights are the signaling devices located at a road intersection for granting right-of-way movement to road users. Thus, optimization of traffic signalization is essential to improve road service as it is the cost-effective way. Commonly, the signal optimization aims to minimize the average travel delay by manipulating the green signal timing. Besides to optimize the signal timing, the local intersection controller needs to collaborate with neighboring intersection controllers for minimizing the average delay for whole network as the congestion will be propagated to the downstream intersection. However, the current fixed-time signal controller is inadequate to manage the high growing demands of traffic as it is tuned offline using the nominal traffic flow data. Thus, this work aims to explore the potential of using Particle Swarm Optimization (PSO) to optimize the traffic signal timing for the traffic network. The proposed algorithm is texted using a benchmarked 1x2 traffic model and its performances are compared with the classical Genetic Algorithm (GA). The simulated results show the proposed PSO has improved the performances in minimizing average travel delay by 3.94 %.
交通灯是位于十字路口的信号装置,用于给道路使用者提供通行权。因此,优化交通信号是提高道路服务质量的有效途径。通常,信号优化的目标是通过控制绿灯信号的时序来最小化平均行程延迟。除了优化信号配时外,由于拥塞会传播到下游交叉口,本地交叉口控制器需要与相邻交叉口控制器协作,以最小化整个网络的平均延迟。然而,目前的固定时间信号控制器不足以管理高速增长的交通需求,因为它是使用标称交通流数据进行离线调整的。因此,本研究旨在探索利用粒子群算法(PSO)优化交通网络信号配时的潜力。采用基准1x2流量模型对该算法进行了验证,并与经典遗传算法(GA)进行了性能比较。仿真结果表明,该粒子群算法使平均行程延迟降低了3.94%。
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引用次数: 1
[Copyright notice] (版权)
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引用次数: 0
Evaluation of Assistance System to Predict Sit-to-stand Speed using Trunk Angle and Lower Limb EMG 利用躯干角度和下肢肌电图预测坐立速度的辅助系统评价
Tsuyoshi Inoue, Kosuke Uehata, Chihiro Tomoda
We have developed a sit-to-stand assist system that predicts the movement speed and drives at that speed. The assistance system predicts the speed of sit-to-stand movement based on multiple regression analysis. The measurement of trunk angle and lower limb electromyogram (EMG) were used as the explanatory variables for the multiple regression analysis. To verify the effectiveness of the developed system, we conducted evaluation experiments on two participants. The evaluation was performed based on the difference of amount of system support between the conventional constant speed control and the proposed predictive speed control. The evaluation results show that the predictive speed control resulted in more support, confirming the effectiveness of the system control that predicted the sit-to-stand speed.
我们已经开发了一个坐姿-站立辅助系统,可以预测移动速度并以该速度驾驶。辅助系统基于多元回归分析预测坐姿到站立的运动速度。以躯干角测量和下肢肌电图(EMG)作为多元回归分析的解释变量。为了验证所开发系统的有效性,我们对两个参与者进行了评估实验。根据常规恒速控制与预测速度控制的系统支持量差异进行评价。评估结果表明,预测速度控制获得了更多的支持,证实了预测坐姿到站立速度的系统控制的有效性。
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引用次数: 0
Optimization of Crop Disease Classification using Convolution Neural Network 基于卷积神经网络的作物病害分类优化
Kit Guan Lim, Chii Soon Huong, M. K. Tan, C. F. Liau, Min Yang, K. Teo
This paper presents the deep learning model by Convolution Neural Network (CNN) in training the crop disease classifier via image classification. A camera will be equipped and applied in artificial intelligent drone to operate as a crop monitoring system used for agriculture. Agriculture productivity is a key component of country economy. Crop diseases can lead to a drop in the quality and quantity of agricultural products. Famers are facing problems to detect the crop diseases accurately in huge region of crops. Therefore, CNN based method for crop disease detection is proposed. Dataset contains of 16,257 color images which has a total of categories have been fed into the model, out of which 10 categories are of diseased crop leaves. The CNN model contains 7 convolution layers with the number of filters 32, 64, two layers with 128 filters, three layers with 256 filters and filter size $3times 3$ is the proposed approach to perform crop disease classification, with the best testing accuracy of 99.02%. The crops are classified correctly using the suggested CNN design. The suggested CNN design is validated and evaluated which achieves accuracy of 99.02%, 0.98% error, 99% recall, 99% precision and 0.99 score of F-measure. In this paper, achievement of the proposed CNN model is reaching a promising result and simulated successfully in classifying the crop disease.
本文提出了基于卷积神经网络(CNN)的深度学习模型,通过图像分类训练农作物病害分类器。将在人工智能无人机上安装摄像头,作为农业作物监控系统使用。农业生产力是国家经济的重要组成部分。农作物病害会导致农产品的质量和数量下降。大面积作物病害的准确检测是农民面临的难题。因此,提出了基于CNN的农作物病害检测方法。数据集包含16257张彩色图像,总共有10个类别被输入到模型中,其中10个类别是患病的作物叶片。CNN模型包含7个卷积层,滤波器个数分别为32个、64个、2层128个、3层256个,滤波器大小为$3 × 3$是本文提出的作物病害分类方法,测试准确率最高为99.02%。使用建议的CNN设计对作物进行正确分类。对所提出的CNN设计进行了验证和评价,准确率为99.02%,误差为0.98%,召回率为99%,精密度为99%,F-measure得分为0.99。本文所提出的CNN模型在作物病害分类中取得了很好的效果,并成功地进行了模拟。
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引用次数: 1
Convolutional Autoencoder for Image Denoising: A Compositional Subspace Representation Perspective 图像去噪的卷积自编码器:一种组合子空间表示的视角
M. Teow
This study explores a convolutional autoencoder for image denoising with a proposed compositional subspace method. This modeling approach presents a structural and rigorous mathematical abstraction to understand a convolutional autoencoder's functional computation layers. The theoretical basis is that the best way to model a complex learning function is by using a composition of simple functions to form a multilayer successive cascaded function for complex representation. The proposed method has experimented with the Fashion-MNIST dataset. Experimental results are discussed and were consistent with the theoretical expectation.
本研究探讨了一种基于组合子空间方法的图像去噪卷积自编码器。这种建模方法提供了一种结构化和严格的数学抽象来理解卷积自编码器的功能计算层。理论基础是建模复杂学习函数的最佳方法是使用简单函数的组合来形成多层连续级联函数进行复杂表示。该方法已在Fashion-MNIST数据集上进行了实验。对实验结果进行了讨论,结果与理论预期一致。
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引用次数: 0
Securing mHealth Applications with Grid-Based Honey Encryption 使用基于网格的蜂蜜加密保护移动健康应用程序
S. Tan, Ka-Man Chirs Lo, Y. Leau, G. Chung, F. Ahmedy
Mobile healthcare (mHealth) application and technologies have promised their cost-effectiveness to enhance healthcare quality, particularly in rural areas. However, the increased security incidents and leakage of patient data raise the concerns to address security risks and privacy issues of mhealth applications urgently. While recent mobile health applications that rely on password-based authentication cannot withstand password guessing and cracking attacks, several countermeasures such as One-Time Password (OTP), grid-based password, and biometric authentication have recently been implemented to protect mobile health applications. These countermeasures, however, can be thwarted by brute force attacks, man-in-the-middle attacks and persistent malware attacks. This paper proposed grid-based honey encryption by hybridising honey encryption with grid-based authentication. Compared to recent honey encryption limited in the hardening password attacks process, the proposed grid-based honey encryption can be further employed against shoulder surfing, smudge and replay attacks. Instead of rejecting access as a recent security defence mechanism in mobile healthcare applications, the proposed Grid-based Honey Encryption creates an indistinct counterfeit patient's record closely resembling the real patients' records in light of each off-base speculation legitimate password.
移动医疗(mHealth)应用和技术承诺具有成本效益,可提高医疗质量,特别是在农村地区。然而,越来越多的安全事件和患者数据泄露引起了人们对解决移动医疗应用的安全风险和隐私问题的关注。虽然最近依赖基于密码的身份验证的移动医疗应用程序无法抵御密码猜测和破解攻击,但最近已经实施了一次性密码(OTP)、基于网格的密码和生物识别身份验证等几种对策来保护移动医疗应用程序。然而,这些对策可能会被蛮力攻击、中间人攻击和持续的恶意软件攻击所挫败。本文将蜂蜜加密与基于网格的认证相结合,提出了基于网格的蜂蜜加密。与目前蜂蜜加密仅局限于强化密码攻击过程相比,本文提出的基于网格的蜂蜜加密可以进一步用于抵御肩部冲浪攻击、涂抹攻击和重放攻击。而不是拒绝访问作为最近的安全防御机制,在移动医疗应用程序中,提出的基于网格的蜂蜜加密创建了一个模糊的伪造患者记录,与真实患者的记录非常相似,根据每个偏离基地的猜测合法密码。
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引用次数: 2
Kiwi Fruit IoT Shelf Life Estimation During Transportation with Cloud Computing 基于云计算的猕猴桃物联网运输保质期评估
J. Khoo, Solomon Haw, Nicholas Su, Shakeeb Mulaafer
The outlook of maintaining higher quality perishable food sparks a lot of interest in the agriculture business. Food security is an important aspect to meet the demand of the growing population. For instance, postharvest losses amount to 1.3 billion tons a year which amounts to 33 percent of production as stated by the Food and Agriculture Department of United States. Real time monitoring of the supply chain can provide insight on perishable food to better handle pricing and allow respective stakeholders to act accordingly to maintain quality standards. Shelf life is described as the duration of a product to be safely consumed by the microbiological standards and retaining a desired sensory, physico-chemical and nutritional quality. Arrhenius equation is commonly used in the assessment of food quality albeit time consuming. The proposed approach with multiple linear regression (MLR) model is designed to estimate the lowest possible shelf life outcome given the monitoring condition during transportation.
保持高质量易腐食品的前景激发了人们对农业业务的极大兴趣。粮食安全是满足不断增长的人口需求的一个重要方面。例如,据美国粮食和农业部称,每年收获后的损失达13亿吨,占产量的33%。对供应链的实时监控可以提供对易腐食品的洞察,以更好地处理定价,并允许相关利益相关者采取相应行动,以保持质量标准。保质期被描述为产品在微生物标准下安全食用并保持所需的感官、物理化学和营养质量的持续时间。阿伦尼乌斯方程是食品质量评价的常用方法,但耗时较长。该方法采用多元线性回归(MLR)模型来估计在运输过程中给定的监测条件下可能的最低保质期结果。
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引用次数: 0
Multi-Scale Texture Analysis For Finger Vein Anti-Spoofing 手指静脉抗欺骗的多尺度纹理分析
Nurul Nabihah binti Ashari, T. Ong, C. Tee, J. H. Teng, Yu Fan Leong
In the recent years, finger vein biometrics has been gaining traction in commercial uses. Despite its wide deployment for user authentication, there is still a risk associated with insecure biometric capture process known as presentation attacks where the attacker uses fake finger vein pattern to spoof the finger vein sensor. This raises the need for an efficient method to detect spoofed finger vein images to ensure the security of the system. In this paper, a multi-scale histogram of oriented gradients representation is proposed for presentation attack detection (PAD) with minimal pre-processing step involved. The results are evaluated with a benchmark dataset and compared with the other PAD methods with promising results.
近年来,手指静脉生物识别技术在商业应用中获得了越来越多的关注。尽管它广泛应用于用户身份验证,但仍然存在与不安全的生物识别捕获过程相关的风险,即呈现攻击,攻击者使用假手指静脉模式来欺骗手指静脉传感器。这就需要一种有效的方法来检测欺骗的手指静脉图像,以确保系统的安全性。本文提出了一种面向梯度表示的多尺度直方图,以最小的预处理步骤用于表示攻击检测(PAD)。使用基准数据集对结果进行了评估,并与其他PAD方法进行了比较,结果令人满意。
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引用次数: 2
Federated Learning: Optimizing Objective Function 联邦学习:优化目标函数
Aishwarya Asesh
A universal server coordinates the training of a single model on a largely distributed network of computers in federated learning. This setting can easily be expanded to a multi-task learning system in order to manage real-world federated datasets with high statistical heterogeneity across devices. Federated learning is very useful as a framework for real-world data and federated multi-task learning has been applied to convex models. This research work discusses and evaluates possibility of sparser gradient changes to outperform the existing state-of-the-art for federated learning on real-world federated datasets as well as imputed data values. The experiments investigate the effect of rolling data or data randomization and adaptive global frequency update scheduling on the convergence of the federated learning algorithm. The results show that convergence speed and gradient curve are considerably affected by number of contact rounds between worker and aggregator and is unaffected by data heterogeneity or client sampling. The research is the core part of an extended experimental setup that will follow to better understand the behavior of distributed learning, by developing a simulation to track weights and loss function gradients during the training.
在联邦学习中,通用服务器协调单个模型在很大程度上分布的计算机网络上的训练。这个设置可以很容易地扩展到一个多任务学习系统,以便管理现实世界中跨设备具有高度统计异质性的联邦数据集。联邦学习作为现实世界数据的框架非常有用,联邦多任务学习已经应用于凸模型。这项研究工作讨论并评估了稀疏梯度变化的可能性,以超越现有的联邦学习技术,在现实世界的联邦数据集和输入数据值上进行联邦学习。实验研究了滚动数据或数据随机化和自适应全局频率更新调度对联邦学习算法收敛性的影响。结果表明,收敛速度和梯度曲线受工作器和聚合器之间接触轮数的影响较大,不受数据异质性和客户端抽样的影响。这项研究是一个扩展实验设置的核心部分,通过开发一个模拟来跟踪训练过程中的权重和损失函数梯度,将更好地理解分布式学习的行为。
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引用次数: 0
Mobile Machine Vision for Railway Surveillance System using Deep Learning Algorithm 基于深度学习算法的铁路监控系统移动机器视觉
Kit Guan Lim, Daniel Siruno, M. K. Tan, C. F. Liau, Shan Huang, K. Teo
Trains have been a popular transportation in our daily life. However, there is no proper surveillance system for obstacle detection at the railway, leading to the happen of unwanted accidents. In order to overcome this issue, machine vision embedded with deep learning algorithm can be implemented. Obstacle detection can be achieved through vision-based object detection, where the object classification model computes the images similarity to its respective classes, classifying its potential as an obstacle. In this paper, object detection model is developed and implemented with deep learning algorithm. Object classification model is produced through the model training with Deep Neural Networks (DNN). The detection model used in this paper is Single-Shot multibox Detection (SSD) MobileNet detection model. This model can be implemented with Raspberry Pi to simulate the object detection algorithm virtually. During simulation, the object recognition algorithm is able to detect and classify various objects into its respective classes. By applying past research approaches, the developed object detection model is able to analyze image as well as real-time video feed to identify multiple objects. Any object that has been detected at the Region of Interest (ROI) can be characterized as an obstacle.
在我们的日常生活中,火车一直是一种受欢迎的交通工具。然而,铁路上没有适当的障碍物检测监控系统,导致意外事故的发生。为了克服这个问题,可以实现嵌入深度学习算法的机器视觉。障碍物检测可以通过基于视觉的物体检测来实现,其中物体分类模型计算图像与其各自类别的相似性,将其潜在分类为障碍物。本文建立了目标检测模型,并利用深度学习算法实现了该模型。利用深度神经网络(Deep Neural Networks, DNN)对模型进行训练,生成目标分类模型。本文采用的检测模型为单镜头多盒检测(Single-Shot multibox detection, SSD) MobileNet检测模型。该模型可以在树莓派上实现,虚拟模拟目标检测算法。在仿真过程中,目标识别算法能够对各种物体进行检测和分类。通过应用以往的研究方法,所开发的目标检测模型能够对图像和实时视频馈送进行分析,从而识别出多个目标。在感兴趣区域(ROI)检测到的任何物体都可以被表征为障碍物。
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引用次数: 0
期刊
2021 IEEE International Conference on Artificial Intelligence in Engineering and Technology (IICAIET)
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