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Smart door access control system based on QR code 基于二维码的智能门禁系统
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp171-179
Agrim Jain, Abhinav Panwar, Mohd. Azam, Ruqaiya Khanam
Wirelessly based security applications have exploded as a result of modern technology. To build and/or implement security access control systems, many types of wireless communication technologies have been deployed. quick response (QR code) is a contactless technology that is extensively utilised in a variety of sectors, including access control, library book tracking, supply chains, and tollgate systems, among others. This paper combines QR code technology with Arduino and Python to construct an automated QR code-based access management system. After detecting a QR code, the QR scanner at the entry collects and compares the user's unique identifier (UID) with the UID recorded in the system. The results show that this system is capable of granting or denying access to a protected environment in a timely, effective, and reliable way. Security systems can protect physical and intellectual property by preventing unauthorized persons from entering the area. Many door locks, such as mechanical and electrical locks, were created to meet basic security needs but it also helps to create a data files structure of the authorized persons.
由于现代技术的发展,基于无线的安全应用激增。为了构建和/或实现安全访问控制系统,已经部署了许多类型的无线通信技术。快速反应(QR码)是一种非接触式技术,广泛应用于各种领域,包括门禁控制、图书馆图书跟踪、供应链和收费系统等。本文将QR码技术与Arduino和Python相结合,构建一个基于QR码的自动化门禁管理系统。入口处的QR扫描器检测到QR码后,会收集用户的UID (unique identifier),并与系统中记录的UID进行比对。结果表明,该系统能够及时、有效、可靠地授予或拒绝对受保护环境的访问。安全系统可以通过防止未经授权的人进入该区域来保护物理和知识产权。许多门锁,如机械锁和电动锁,都是为了满足基本的安全需求而设计的,但它也有助于创建授权人员的数据文件结构。
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引用次数: 0
2D router chip design, analysis, and simulation for effective communication 二维路由器芯片的设计、分析和仿真,实现有效的通信
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i3.pp225-235
Prateek Agarwal, Tanuj Kumar Garg, Adesh Kumar
The router is a network device that is used to connect subnetwork and packet-switched networking by directing the data packets to the intended IP addresses. It succeeds the traffic between different systems and allows several devices to share the internet connection. The router is applicable for the effective commutation in system on chip (SoC) modules for network on chip (NoC) communication. The research paper emphasizes the design of the two dimensional (2D) router hardware chip in the Xilinx integrated system environment (ISE) 14.7 software and further logic verification using the data packets transmitted from all input/output ports. The design evaluation is done based on the pre-synthesis device utilization summary relating to different field programmable gate array (FPGA) boards such as Spartan-3E (XC3S500E), Spartan-6 (XC6SLX45), Virtex-4 (XC4VFX12), Virtex-5 (XC5VSX50T), and Virtex-7 (XC7VX550T). The 64-bit data logic is verified on the different ports of the router configuration in the Xilinx and Modelsim waveform simulator. The Virtex-7 has proven the fast-switching speed and optimal hardware parameters in comparison to other FPGAs.
路由器是一种网络设备,用于连接子网和分组交换网络,将数据包定向到指定的IP地址。它成功处理不同系统之间的通信,并允许多个设备共享互联网连接。该路由器适用于片上网络通信中SoC (system on chip)模块的有效换流。研究论文强调在Xilinx集成系统环境(ISE) 14.7软件中设计二维(2D)路由器硬件芯片,并使用所有输入/输出端口传输的数据包进行进一步的逻辑验证。设计评估是基于与不同现场可编程门阵列(FPGA)板(如Spartan-3E (XC3S500E), Spartan-6 (XC6SLX45), Virtex-4 (XC4VFX12), Virtex-5 (XC5VSX50T)和Virtex-7 (XC7VX550T)相关的预合成器件利用率总结完成的。64位数据逻辑在Xilinx和Modelsim波形模拟器中的路由器配置的不同端口上进行验证。与其他fpga相比,Virtex-7已经证明了快速切换速度和最佳硬件参数。
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引用次数: 1
Analyzing performance of deep learning models under the presence of distortions in identifying plant leaf disease 植物叶片病害识别中存在畸变的深度学习模型性能分析
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp115-126
Neha Sandotra, P. Mahajan, P. Abrol, P. Lehana
Convolutional neural networks (CNN) trained using deep learning (DL) have advanced dramatically in recent years. Researchers from a variety of fields have been motivated by the success of CNNs in computer vision to develop better CNN models for use in other visually-rich settings. Successes in image classification and research have been achieved in a wide variety of domains throughout the past year. Among the many popularized image classification techniques, the detection of plant leaf diseases has received extensive research. As a result of the nature of the procedure, image quality is often degraded and distortions are introduced during the capturing of the image. In this study, we look into how various CNN models are affected by distortions. Corn-maze leaf photos from the 4,188-image corn or maize leaf Dataset (split into four categories) are under consideration. To evaluate how well they handle noise and blur, researchers have deployed pre-trained deep CNN models like visual geometry group (VGG), InceptionV3, ResNet50, and EfficientNetB0. Classification accuracy and metrics like as recall and f1-score are used to evaluate CNN performance.
近年来,使用深度学习(DL)训练的卷积神经网络(CNN)取得了巨大的进步。CNN在计算机视觉方面的成功激发了来自各个领域的研究人员开发更好的CNN模型,用于其他视觉丰富的环境。在过去的一年里,图像分类和研究在各个领域都取得了成功。在众多流行的图像分类技术中,植物叶片病害的检测得到了广泛的研究。由于该过程的性质,图像质量经常下降,并且在捕获图像期间引入了失真。在这项研究中,我们研究了各种CNN模型是如何受到扭曲的影响的。来自4188张玉米图像或玉米叶片数据集(分为四类)的玉米迷宫叶片照片正在考虑中。为了评估它们处理噪声和模糊的效果,研究人员部署了预训练的深度CNN模型,如视觉几何组(VGG)、InceptionV3、ResNet50和EfficientNetB0。分类精度和指标,如召回率和f1-score被用来评估CNN的性能。
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引用次数: 1
Evaluating the level of inteference in UMTS/LTE heterogeneous network system UMTS/LTE异构网络系统的干扰水平评估
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp92-102
Nnebe Scholastica Ukamaka, Odeh Isaac Ochim, Okafor Chinenye Sunday, Ugbe Oluchi Christiana
The study evaluated interference in a dense heterogeneous network using third-generation universal mobile telecommunication systems (UMTS) and fourth-generation long term evolution (LTE) networks LTE. The UMTs/LTE heterogeneous network determines the level of interference when the two communication systems coexist and how to improve the network by migrating from UMTs to LTE, which has a faster download speed and larger capacity. Techno lite 8 on third generation (3G) and Infinix Pro 6 on fourth generation (4G) were used to measure network the received signal strength (RSS) during site investigation. UE interference was detected and traced using a spectrum analyzer. UMTS and LTE path loss exponents are 2.6 and 3.2. Shannon's capacity theorem calculated LTE and UMTS capacity. When signal to interference and noise ratio (SINR) was used as a quality of service (QoS) indicator, MATLAB channel capacity plots did not match Shannon's due to neighboring interference. UMTS had an R2 of 0.54 and LTE 0.57 for the Shannon channel capacity equation. Adjacent channel interference (ACI) user devices reduce network capacity, lowering QoS for other customers.
该研究评估了使用第三代通用移动通信系统(UMTS)和第四代长期演进(LTE)网络的密集异构网络中的干扰。umt /LTE异构网络决定了两种通信系统共存时的干扰程度,以及如何通过从umt迁移到下载速度更快、容量更大的LTE来改善网络。在现场调查过程中,采用Techno lite 8第三代(3G)和Infinix Pro 6第四代(4G)测量网络接收信号强度(RSS)。使用频谱分析仪检测和跟踪UE干扰。UMTS和LTE的路径损耗指数分别为2.6和3.2。Shannon容量定理计算LTE和UMTS的容量。当信噪比(SINR)作为服务质量(QoS)指标时,由于相邻干扰,MATLAB的信道容量图与Shannon的信道容量图不匹配。对于香农信道容量方程,UMTS的R2为0.54,LTE的R2为0.57。相邻信道干扰(ACI)用户设备减少了网络容量,降低了其他客户的QoS。
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引用次数: 1
Evaluating the impact of COVID-19 on the monetary crisis by machine learning 利用机器学习评估新冠肺炎疫情对金融危机的影响
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i3.pp272-283
M. Mohseni
In this study, machine learning is examined in relation to commercial machine learning's resilience to the COVID-19 pandemic-related crisis. Two approaches are used to assess the pandemic's impact on machine learning risk, as well as a method to prioritize sectors according to the crisis's potential negative consequences. I conducted the study to determine Santander machine learning's resilience. The data mining area offers prospects for COVID-19's future. A total of 13 machine learning demos were selected for its organization. The Hellweg strategy and the technique for order preference by similarity to ideal solution (TOPSIS) technique were utilized as direct request strategies. Parametric assessment of machine learning versatility in business was based on capital sufficiency, liquidity proportion, market benefits, and share in an arrangement of openings with a perceived disability, and affectability of machine learning's credit portfolio to monetary hazard. As a result of the COVID-19 pandemic, these enterprises were ranked according to their threat. Based on the findings of the research, machine learning worked the best for the pandemic. Meanwhile, machine learning suffered the most during the downturn. It can be seen, for example, in conversations about the impact of the pandemic on developing business sector soundness and managing financial framework solidity risk.
在本研究中,研究了机器学习与商业机器学习对COVID-19大流行相关危机的复原力的关系。有两种方法用于评估大流行对机器学习风险的影响,以及根据危机的潜在负面后果确定部门优先次序的方法。我进行这项研究是为了确定桑坦德银行机器学习的弹性。数据挖掘领域为COVID-19的未来提供了前景。该组织共选择了13个机器学习演示。直接请求策略采用Hellweg策略和TOPSIS (order preference by similarity to ideal solution)方法。对机器学习在商业中的通用性的参数化评估是基于资本充足率、流动性比例、市场收益、在具有感知残疾的开放安排中的份额,以及机器学习的信贷组合对货币风险的影响。受COVID-19大流行影响,这些企业根据其威胁程度进行排名。根据研究结果,机器学习对大流行的效果最好。与此同时,机器学习在经济衰退期间受到的影响最大。例如,在关于大流行对发展商业部门稳健性和管理金融框架稳健性风险的影响的对话中可以看到这一点。
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引用次数: 2
Acceleration of convolutional neural network based diabetic retinopathy diagnosis system on field programmable gate array 基于卷积神经网络的糖尿病视网膜病变诊断系统的现场可编程门阵列加速
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i3.pp214-224
Meriam Dhouibi, A. K. Ben Salem, Afef Saidi, S. Ben Saoud
Diabetic retinopathy (DR) is one of the most common causes of blindness. The necessity for a robust and automated DR screening system for regular examination has long been recognized in order to identify DR at an early stage. In this paper, an embedded DR diagnosis system based on convolutional neural networks (CNNs) has been proposed to assess the proper stage of DR. We coupled the power of CNN with transfer learning to design our model based on state-of-the-art architecture. We preprocessed the input data, which is color fundus photography, to reduce undesirable noise in the image. After training many models on the dataset, we chose the adopted ResNet50 because it produced the best results, with a 92.90% accuracy. Extensive experiments and comparisons with other research work show that the proposed method is effective. Furthermore, the CNN model has been implemented on an embedded target to be a part of a medical instrument diagnostic system. We have accelerated our model inference on a field programmable gate array (FPGA) using Xilinx tools. Results have confirmed that a customized FPGA system on chip (SoC) with hardware accelerators is a promising target for our DR detection model with high performance and low power consumption.
糖尿病视网膜病变(DR)是最常见的失明原因之一。长期以来,人们一直认识到需要一个强大的、自动化的DR筛查系统进行定期检查,以便在早期阶段发现DR。本文提出了一种基于卷积神经网络(CNN)的嵌入式DR诊断系统来评估DR的适当阶段,并将CNN的功能与迁移学习相结合,设计了基于最先进架构的模型。我们对彩色眼底摄影的输入数据进行预处理,以减少图像中的不良噪声。在数据集上训练了许多模型后,我们选择了采用的ResNet50,因为它产生了最好的结果,准确率为92.90%。大量的实验和与其他研究工作的比较表明,该方法是有效的。此外,CNN模型已在嵌入式目标上实现,作为医疗器械诊断系统的一部分。我们使用Xilinx工具在现场可编程门阵列(FPGA)上加速了模型推理。结果证实了一个带有硬件加速器的定制FPGA片上系统(SoC)是我们DR检测模型的一个有希望的目标,具有高性能和低功耗。
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引用次数: 0
A cluster and association analysis visualization using Moodle activity log data 使用Moodle活动日志数据的聚类和关联分析可视化
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp150-161
Andri Reimondo Tamba, Krista Lumbantoruan, A. Pakpahan, S. Situmeang
The course activity log is where a learning management system (LMS) like Moodle keeps track of the various learning activities. In order to conduct a quicker and more in-depth examination of the students' behaviors, the instructor may either directly examine the log or make use of more complex methodologies such as data mining. The majority of the proposed methods for analyzing this log data center mostly on predictive analysis. In this research, cluster analysis and association analysis, two separate data mining functions, are investigated in order to analyze the log. The students' activities are used in the cluster analysis performed with K-Means++, and the association analysis performed with Apriori is used to investigate the connections between the students' various activities. A dashboard presentation of the findings is provided in order to facilitate clearer comprehension. Based on the findings of the analysis, it can be concluded that the structure of the student cluster is medium, whereas the association between the activities undertaken by students is positively correlated and well-balanced. The subjective review of the dashboard reveals that the visualization is already sufficient, but there are some recommendations for making it even better.
课程活动日志是像Moodle这样的学习管理系统(LMS)跟踪各种学习活动的地方。为了对学生的行为进行更快、更深入的检查,教师可以直接检查日志,也可以使用更复杂的方法,如数据挖掘。目前提出的分析这种测井数据中心的方法大多以预测分析为主。在本研究中,研究了聚类分析和关联分析这两个独立的数据挖掘功能,以便对日志进行分析。使用k - means++进行聚类分析时使用学生的活动,使用Apriori进行关联分析时使用学生各种活动之间的联系。为了便于更清晰地理解,提供了一个显示结果的仪表板。根据分析结果,可以得出学生群体的结构是中等的,而学生所从事的活动之间的关联是正相关的,并且是平衡的。对仪表板的主观评价表明,可视化已经足够了,但是有一些建议可以使它更好。
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引用次数: 0
Novel DV-hop algorithm-based machines learning technics for node localization in rang-free wireless sensor networks 基于DV-hop算法的无距离无线传感器网络节点定位机器学习技术
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp140-149
Oumaima Liouane, S. Femmam, T. Bakir, Abdessalem Ben Abdelali
Localization is a critical concern in many wireless sensor network (WSN) applications. Furthermore, correct information regarding the geographic placements of nodes (sensors) is critical for making the collected data valuable and relevant. Because of their benefits, such as simplicity and acceptable accuracy, the based connectivity algorithms attempt to localize multi-hop WSN. However, due to environmental factors, the precision of localisation may be rather low. This publication describes an Extreme Learning Machine (ELM) technique for minimizing localization error in range-free WSN. In this paper, we propose a Cascade Extreme Learning Machine (Cascade-ELM) to increase localization accuracy in Range-Free WSNs. We tested the proposed approaches in a variety of multi-hop WSN scenarios. Our research focused on an isotropic and irregular environment. The simulation results show that the proposed Cascade-ELM algorithm considerably improves localization accuracy when compared to previous algorithms derived from smart computing approaches. When compared to previous work, isotropic environments show improved localization results.
定位是许多无线传感器网络(WSN)应用中的一个关键问题。此外,关于节点(传感器)的地理位置的正确信息对于使收集的数据有价值和相关性至关重要。由于其优点,如简单性和可接受的准确性,基于连接的算法试图本地化多跳WSN。然而,由于环境因素的影响,定位的精度可能会很低。本文描述了一种用于最小化无距离无线传感器网络定位误差的极限学习机(ELM)技术。本文提出了一种级联极限学习机(Cascade- elm)来提高无距离无线传感器网络的定位精度。我们在各种多跳WSN场景中测试了所提出的方法。我们的研究重点是各向同性和不规则的环境。仿真结果表明,与以往基于智能计算方法的定位算法相比,本文提出的级联- elm算法显著提高了定位精度。与以前的工作相比,各向同性环境显示出更好的定位结果。
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引用次数: 2
Machine learning techniques for plant disease detection: an evaluation with a customized dataset 植物病害检测的机器学习技术:使用自定义数据集进行评估
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i2.pp127-139
Amatullah Fatwimah Humairaa Mahomodally, Geerish Suddul, S. Armoogum
Diseases in edible and industrial plants remains a major concern, affecting producers and consumers. The problem is further exacerbated as there are different species of plants with a wide variety of diseases that reduce the effectiveness of certain pesticides while increasing our risk of illness. A timely, accurate and automated detection of diseases can be beneficial. Our work focuses on evaluating deep learning (DL) approaches using transfer learning to automatically detect diseases in plants. To enhance the capabilities of our approach, we compiled a novel image dataset containing 87,570 records encompassing 32 different plants and 74 types of diseases. The dataset consists of leaf images from both laboratory setups and cultivation fields, making it more representative. To the best of our knowledge, no such datasets have been used for DL models. Four pre[1]trained computer vision models, namely VGG-16, VGG-19, ResNet-50, and ResNet-101 were evaluated on our dataset. Our experiments demonstrate that both VGG-16 and VGG-19 models proved more efficient, yielding an accuracy of approximately 86% and a f1-score of 87%, as compared to ResNet-50 and ResNet-101. ResNet-50 attains an accuracy and a f1-score of 46.9% and 45.6%, respectively, while ResNet-101 reaches an accuracy of 40.7% and a f1-score of 26.9%.
食用植物和工业植物中的疾病仍然是一个主要问题,影响着生产者和消费者。这一问题进一步恶化,因为不同种类的植物都有各种各样的疾病,这些疾病降低了某些杀虫剂的有效性,同时增加了我们患病的风险。及时、准确和自动化的疾病检测是有益的。我们的工作重点是评估使用迁移学习的深度学习(DL)方法来自动检测植物疾病。为了提高我们的方法的能力,我们编制了一个新的图像数据集,其中包含87,570条记录,包括32种不同的植物和74种疾病。该数据集包括来自实验室设置和种植田地的叶子图像,使其更具代表性。据我们所知,还没有这样的数据集被用于深度学习模型。在我们的数据集上评估了四个预[1]训练的计算机视觉模型,即VGG-16, VGG-19, ResNet-50和ResNet-101。我们的实验表明,与ResNet-50和ResNet-101相比,VGG-16和VGG-19模型都证明了更高的效率,产生了大约86%的准确率和87%的f1分数。ResNet-50的准确率为46.9%,f1-score为45.6%,ResNet-101的准确率为40.7%,f1-score为26.9%。
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引用次数: 1
Smart portable system for monitoring vibration based on the Raspberry Pi microcomputer and the MEMS accelerometer 基于树莓派微型计算机和MEMS加速度计的智能便携式振动监测系统
Pub Date : 1900-01-01 DOI: 10.11591/ijict.v12i3.pp261-271
H. Baghdadi, K. Rhofir, M. Lamhamdi
In this work, an internet of things (IoT) sensing and monitoring box has been developed. The proposed low-cost system is a portable device for smart buildings to measure vibrations, monitor, and control noise caused by the industrial machines. We will present an instrument and a method to measure the vibration and tilt of a mechanical system (air conditioner). The primary goal is to create a signal acquisition and monitoring system that is both user-friendly and affordable, while also delivering exceptional precision. The key concept is centered around acquiring and processing signals through the Raspberry Pi. We will use for the first time as an application, which does not exist before, a conversion method to control and monitor remotely the noise generated by the machines. Once the noise reaches a high value or the air conditioner is too much tilted, the system sends an alert in the form of an email. We will use the Python language to acquire and process the signal and send the alerts. The proposed approach is straightforward to implement, and the obtained results demonstrate a high level of accuracy that is consistent with the existing literature.
在这项工作中,开发了一种物联网(IoT)传感和监控盒。提出的低成本系统是智能建筑的便携式设备,用于测量振动,监测和控制工业机器引起的噪音。我们将介绍一种测量机械系统(空调)振动和倾斜的仪器和方法。主要目标是创建一个用户友好且价格合理的信号采集和监控系统,同时还提供卓越的精度。关键概念集中在通过树莓派获取和处理信号。我们将首次使用一种以前不存在的转换方法来远程控制和监测机器产生的噪声。当噪音过大或空调倾斜过大时,系统会以邮件的形式发出警告。我们将使用Python语言来获取和处理信号并发送警报。所提出的方法易于实现,所获得的结果显示出与现有文献一致的高水平准确性。
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引用次数: 0
期刊
International Journal of Informatics and Communication Technology (IJ-ICT)
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