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Augmented and Virtual Reality Games for Occupational Safety and Health Training: A Systematic Review and Prospects for the Post-Pandemic Era 增强和虚拟现实游戏职业安全与健康培训:后大流行时代的系统回顾和展望
Pub Date : 2022-07-26 DOI: 10.3991/ijoe.v18i10.30879
Syahrul Nizam Junaini, A. Kamal, A. Hashim, Norhunaini Mohd Shaipullah, Liyana Truna
In recent decades, the usage of augmented reality (AR) and virtual reality (VR) games for safety training and rehabilitation has grown exponentially. However, no systematic literature review of the research trends in augmented and virtual reality (AR/VR) for Occupational Safety and Health (OHS) training has been carried out. The authors conducted a comprehensive review of the relevant literature published between 2016 and 2020. This analysis was guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The Scopus database contained 1031 records. However, only 12 papers matched the inclusion criteria and were included in this review. According to the findings, the use of augmented and virtual reality for safety training and rehabilitation has been progressively growing. With robust research trends in this field—in the post-pandemic era, the use of augmented reality and virtual reality games has promising potential, especially for safety training and rehabilitation. This study provides critical insights into how augmented reality and virtual reality may impact the future of safety training and rehabilitation at the workplace.
近几十年来,增强现实(AR)和虚拟现实(VR)游戏在安全培训和康复中的应用呈指数级增长。然而,目前还没有对增强现实和虚拟现实(AR/VR)用于职业安全与健康(OHS)培训的研究趋势进行系统的文献综述。作者对2016年至2020年间发表的相关文献进行了全面回顾。该分析以系统评价和荟萃分析首选报告项目(PRISMA)为指导。Scopus数据库包含1031条记录。然而,只有12篇论文符合纳入标准并被纳入本综述。根据调查结果,在安全培训和康复中使用增强现实和虚拟现实的情况正在逐步增加。在大流行后时代,随着这一领域的强劲研究趋势,增强现实和虚拟现实游戏的使用具有广阔的潜力,特别是在安全培训和康复方面。这项研究为增强现实和虚拟现实如何影响未来工作场所的安全培训和康复提供了重要的见解。
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引用次数: 1
Skin Disease Detection for Kids at School Using Deep Learning Techniques 使用深度学习技术检测学校儿童的皮肤病
Pub Date : 2022-07-26 DOI: 10.3991/ijoe.v18i10.31879
Manal Alghieth
Due to the rapid spread of skin diseases among children in school, and the fact that skin disease is the most common contagious disease spreading within students in school, this study investigates the factors that could help in early detection of these skin diseases using AI techniques. The texture and color of the skin can change as a result of the disease. Examples of these diseases are chickenpox, impetigo, scabies, infectious erythema, skin warts, and other infectious skin diseases. Skin disorders are long-term and contagious, it can be detected early and with high accuracy before it become a long-term problem. This research builds a system of skin disease detection using the CNN technique and a pre-trained VGG19 model. In addition, the dataset contains 4500 images that were collected from different sources to train the VGG19 model. Data augmentation technique such as zooming, cropping, and rotating were used. After that, the Adamax optimizer, which is most suitable for the proposed methodology, was used to obtain high accuracy and required results. This study achieved a high accuracy of 99% compared to other similar researchs. It can be concluded that this system is very reliable which can be integrated to smart schools as part of IOT systems.
由于皮肤病在学校儿童中的迅速传播,并且皮肤病是学校学生中最常见的传染病,因此本研究调查了使用人工智能技术可以帮助早期发现这些皮肤病的因素。这种疾病会导致皮肤的质地和颜色发生变化。这些疾病的例子是水痘、脓疱疮、疥疮、传染性红斑、皮肤疣和其他传染性皮肤病。皮肤病具有长期性和传染性,可以在成为长期问题之前及早发现,并具有很高的准确性。本研究利用CNN技术和预训练的VGG19模型构建了一个皮肤病检测系统。此外,该数据集包含4500张来自不同来源的图像,用于训练VGG19模型。使用了缩放、裁剪和旋转等数据增强技术。然后,使用最适合该方法的Adamax优化器,获得了较高的精度和要求的结果。与其他类似研究相比,本研究的准确率高达99%。可以得出结论,该系统非常可靠,可以作为物联网系统的一部分集成到智能学校中。
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引用次数: 2
A Simple and Real-Time Support System for Firefighters Using Low-Cost 3-DOF Accelerometer and CO Sensor 基于低成本3-DOF加速度计和CO传感器的消防员简易实时支援系统
Pub Date : 2022-07-26 DOI: 10.3991/ijoe.v18i10.26425
Nhu Dinh Dang, V. Pham, Duc-Tan Tran, Van-An Tran, Huu An Nguyen, Anh Duc Nguyen
During the operations, firefighters can be injured or killed because of the smoke and heat emission from the fire area, broken structure elements such as floors, walls, or boiling liquid ejection and gas explosion. Therefore, this paper aims to develop an efficient and portable system to monitor falls and high CO level through integrating a three degrees of freedom accelerometer and an MQ7 sensor to recorded acceleration and measured CO concentration with the embedded fall and high CO detection algorithms. The embedded fall detection algorithm can detect fall events with ultra-high accuracy without mistakenly identifying normal activities such as walking, standing, jogging, and jumping as fall events. The posture recognition and cascade posture recognition after three seconds are proposed in this paper to gain the accuracy of our proposed fall detection system. If a firefighter falls and is unable to stand up, the alert signal message will be sent to their commander outside through the GSM/GPRS module. The embedded high CO detection algorithm used to alert the dangerous CO level to recommend using self-contained breathing apparatuses (SCBA) and saving fresh air with acceptable CO level. We carefully investigated the proposed thresholds and window size before embedding them into the microcontroller. The sensitivity and accuracy achieved were around 96.5% and 93% respectively in our recorded data. Furthermore, the proposed fall detection algorithm also achieved higher geometric mean in comparison with Support Vector Machine classifier (SVM) and a nearest neighbor rule (NN) in the public datasets with the achieved around 99.44%, 98.41% and 95.76% respectively.
在作业过程中,消防人员可能会因火灾区域的烟雾和热量散发,地板、墙壁等结构构件的破裂或沸腾液体的喷射和气体爆炸而受伤或死亡。因此,本文旨在通过集成三自由度加速度计和MQ7传感器来记录加速度和测量CO浓度,并结合嵌入式跌倒和高CO检测算法,开发一种高效便携的跌倒和高CO监测系统。嵌入式跌倒检测算法能够以超高的准确率检测跌倒事件,不会将行走、站立、慢跑、跳跃等正常活动误认为是跌倒事件。为了提高跌落检测系统的精度,本文提出了姿态识别和三秒后级联姿态识别。如果消防员摔倒无法站起来,警报信号信息将通过GSM/GPRS模块发送给外面的指挥官。嵌入式高一氧化碳检测算法用于警告危险的一氧化碳水平,以建议使用自给式呼吸器(SCBA)和保存可接受的一氧化碳水平的新鲜空气。在将提议的阈值和窗口大小嵌入微控制器之前,我们仔细研究了它们。在我们的记录数据中,灵敏度和准确度分别在96.5%和93%左右。此外,与支持向量机分类器(SVM)和最近邻规则(NN)相比,本文提出的跌倒检测算法在公共数据集上的几何均值也更高,分别达到99.44%、98.41%和95.76%左右。
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引用次数: 0
Semantic Segmentation of Kidney Tumors Using Variants of U-Net Architecture 基于U-Net结构变体的肾肿瘤语义分割
Pub Date : 2022-07-26 DOI: 10.3991/ijoe.v18i10.31347
M. GeethanjaliT., Minavathi, M. Dinesh
Kidney Cancer is one of the most prevalent diseases that is more common in men than in women. Detecting kidney tumors at an early stage has been found to increase survival rates of patients. It is therefore important to accurately segment tumors in Computed Tomography(CT) images. To assist in early detection of kidney tumors in CT images, we present a method for segmenting kidney tumors using deep convolutional neural networks. Predicted models using U-Net and Attention U-Net architectures are ensemble for effective tumor segmentation. Experimental and visual results obtained using the KiTS2019 dataset clearly demonstrate the enhanced Intersection Over Union(IoU) score of the ensemble model.
肾癌是最常见的疾病之一,在男性中比在女性中更常见。在早期发现肾脏肿瘤可以提高患者的存活率。因此,在计算机断层扫描(CT)图像中准确分割肿瘤是很重要的。为了帮助在CT图像中早期发现肾脏肿瘤,我们提出了一种使用深度卷积神经网络分割肾脏肿瘤的方法。使用U-Net和Attention - U-Net架构的预测模型集成在一起,以实现有效的肿瘤分割。使用KiTS2019数据集获得的实验和视觉结果清楚地表明,集成模型的IoU分数得到了增强。
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引用次数: 0
A Novel MRI And CT Image Fusion Based on Discrete Wavelet Transform and Principal Component Analysis for Enhanced Clinical Diagnosis 基于离散小波变换和主成分分析的MRI与CT图像融合增强临床诊断
Pub Date : 2022-07-26 DOI: 10.3991/ijoe.v18i10.31969
Richa, Karamjit Kaur, Priti Singh
A large percentage of healthcare resources, including imaging tools, like Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) have been dedicated to the management of affected patients in this pandemic of Coronavirus disease 2019 (COVID-19). The diagnostic modalities in medical research are improving at a rapid pace with an objective to acquire maximum information with as little data as possible without any artifacts. That is where image fusion comes into the picture. It is a technique of merging source medical pictures to maximize the necessary information. CT is generally used for bony structures, whereas MRI is more appropriate for soft tissues. A fusion of MRI and CT images would lead to enhancement of the overall image quality while giving comprehensive information, at the same time artifacts are also eliminated. Image fusion methods are applied in medical science and various other sectors. Several image processing techniques are used in medical diagnostics, like Principal Component analysis (PCA), Intensity-Hue-Saturation, Discrete Wavelet Transform (DWT), and others. This study suggests an image fusion algorithm utilising the principal component averaging and the DWT along with the performance analysis of the fusion of the MRI and CT images of brain. The technique used in our study significantly enhances the image quality in terms of various fusion performance measures that helps the medical practitioners to diagnose any infection and aids in its treatment.  
大部分医疗资源,包括成像工具,如磁共振成像(MRI)和计算机断层扫描(CT),都专门用于管理2019年冠状病毒病(COVID-19)大流行期间的受影响患者。医学研究中的诊断方式正在迅速改进,目的是在没有任何人为因素的情况下,以尽可能少的数据获得最大的信息。这就是图像融合进入画面的地方。它是一种合并源医学图像以最大化必要信息的技术。CT通常用于骨骼结构,而MRI更适合于软组织。MRI与CT图像的融合在提供全面信息的同时,提高了整体图像质量,同时也消除了伪影。图像融合方法应用于医学和其他各个领域。医学诊断中使用了几种图像处理技术,如主成分分析(PCA)、强度-色调-饱和度、离散小波变换(DWT)等。本研究提出了一种利用主成分平均和小波变换的图像融合算法,并对脑MRI和CT图像的融合性能进行了分析。在我们的研究中使用的技术在各种融合性能指标方面显著提高了图像质量,帮助医生诊断任何感染并帮助其治疗。
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引用次数: 0
Autism Spectrum Disorder Detection Using MobileNet 使用MobileNet检测自闭症谱系障碍
Pub Date : 2022-07-26 DOI: 10.3991/ijoe.v18i10.31415
Surya Teja Arvapalli, A. SaiAbhay, D. Mounika, M. VaniPujitha
Autism Spectrum Illness (ASD), a evolution of the brain disorder, is commonly related with sensory difficulties, such as excessive or insufficient sensitivity to sounds, scents, or touch. Autism Spectrum Disorder (ASD) is evolving at a faster rate than ever before. By screening tests autism detection is very expensive and time consuming. With the advancement of Deep Learning (DL),autism can be predicted from a young age.In this paper we are using Convolutional Neural Network (CNN) with Transfer Learning (TL) models to classify the disease and we will suggest the precautions if it is detected as autism. Here we consider the Autism Master Dataset (AMD) from kaggle.com website, which contains two classes (Autism, Non_Autism). By using this models we are obtaining good accuracy
自闭症谱系疾病(ASD)是一种脑部疾病,通常与感觉困难有关,比如对声音、气味或触觉的敏感度过高或不足。自闭症谱系障碍(ASD)的发展速度比以往任何时候都要快。通过筛选测试来检测自闭症是非常昂贵和耗时的。随着深度学习(DL)的发展,自闭症可以从很小的时候就被预测出来。在本文中,我们使用卷积神经网络(CNN)和迁移学习(TL)模型对疾病进行分类,如果检测到它是自闭症,我们将提出预防措施。这里我们考虑来自kaggle.com网站的自闭症主数据集(AMD),它包含两个类(Autism, Non_Autism)。通过使用这些模型,我们获得了很好的精度
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引用次数: 0
Energized IOT Sensor through RF Harvesting Energy 通过射频收集能量为物联网传感器供电
Pub Date : 2022-07-11 DOI: 10.3991/ijoe.v18i09.30839
Mohamed Zied Chaari, Rashid Al-Rahimi, O. Aghzout
Wireless Power Collecting (WPC) present the future in powering and energizing intelligent Internet of Things (IoT) electronics devices. This chapter studies and utilizes a circuit to powering wirelessly IoT devices. The WPC offer a best technique to help researchers and engineers of modern societies to build cell blocks. The concept is to energy any IoT devices and sensors wirelessly from Radio Frequency (RF) power strength in the same areas that may be hard to achieve or potentially hazardous. We implemented the RF harvesting technology with IoT devices to increase the efficiency of sensors. The idea of this system is to power up and self-energize any IoT sensors wirelessly. This work studies two different topologies of a rectangular patch antenna and different RF harvesting circuit voltage multiplier configurations using a microwave power station as the input RF source. This work aims to utilize the wireless power transmission technique in the smart house solution. The proposed prototype gets all technical parameters to generate enough electricity to power up the bulbs 5 W wirelessly at a gap distance around a five meters. Finally, we test the RF rectifier circuit coupled with a twin patch antenna that can self-energize the bulb, eventually devices work without batteries.
无线电力收集(WPC)为智能物联网(IoT)电子设备供电和充电提供了未来。本章研究并利用电路为无线物联网设备供电。WPC提供了一种最好的技术来帮助现代社会的研究人员和工程师构建细胞块。该概念是通过射频(RF)功率强度在可能难以实现或具有潜在危险的同一区域以无线方式为任何物联网设备和传感器供电。我们在物联网设备上实施了射频采集技术,以提高传感器的效率。该系统的理念是通过无线方式为任何物联网传感器供电和自供电。本文研究了矩形贴片天线的两种不同拓扑结构和使用微波电站作为输入射频源的不同射频采集电路电压乘法器配置。本工作旨在将无线电力传输技术应用于智能家居解决方案中。这个提议的原型具备了所有的技术参数,可以产生足够的电力,在大约5米的距离上为灯泡无线供电5w。最后,我们测试了射频整流电路与双贴片天线相结合,可以自激灯泡,最终设备无需电池即可工作。
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引用次数: 0
Diabetic Retinopathy Grading with Deep Visual Attention Network 深度视觉注意网络对糖尿病视网膜病变的分级
Pub Date : 2022-07-11 DOI: 10.3991/ijoe.v18i09.30075
S. Geetha, Mansi Parashar, JS Abhishek, Raj Vishal Turaga, I. A. Lawal, Seifedine Kadry
Diabetic Retinopathy is a serious complication arising in diabetes afflicted patients. Its effective treatment depends on early detection, and the course of action varies decisively with the intensity of the affliction. Computer-aided diagnosis helps to detect not only the presence or absence of the disease but also the severity, making it easier for ophthalmologists to construct a treatment plan. Diabetic retinopathy grading is the task of classifying images of the eye's fundus of diabetic patients into 5 different grades ranging from 0-4 based on the severity of the disease. In this work, we propose a deep neural network architecture to address the grading problem. The method utilizes an additional attention layer in the neural network model to capture the spatial relationship between the region of interest in the images during the training process to better discriminate between the different severity stages of the disease. Also, we analyze the impact of different image processing techniques on the classification results. We assessed the performance of our proposed method using a dataset of eye fundus images and obtained a classification accuracy of 89.20% on average. This performance surpasses that reported for other state-of-the-art methods on the same dataset. The effectiveness of the proposed method will facilitate the procedural workflow of identifying severe cases of diabetic retinopathy
糖尿病视网膜病变是糖尿病患者的一种严重并发症。它的有效治疗依赖于早期发现,而行动的过程则随病情的严重程度而有决定性的不同。计算机辅助诊断不仅有助于检测疾病的存在与否,还有助于检测疾病的严重程度,使眼科医生更容易制定治疗计划。糖尿病视网膜病变分级是将糖尿病患者眼底图像根据病情的严重程度分为0-4级5个等级。在这项工作中,我们提出了一个深度神经网络架构来解决分级问题。该方法利用神经网络模型中额外的注意层,在训练过程中捕捉图像中感兴趣区域之间的空间关系,以更好地区分疾病的不同严重阶段。此外,我们还分析了不同图像处理技术对分类结果的影响。我们使用眼底图像数据集评估了我们提出的方法的性能,获得了平均89.20%的分类准确率。此性能优于在相同数据集上使用其他最先进方法所报告的性能。该方法的有效性将有助于识别糖尿病视网膜病变重症病例的程序工作流程
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引用次数: 0
Design and Implementation of Database Prototype for A Portable Electronic Transaction Device 便携式电子交易设备数据库原型的设计与实现
Pub Date : 2022-07-11 DOI: 10.3991/ijoe.v18i09.29691
S. Fuada, Akhmad Alfaruq, T. Adiono
In recent times, electronic money (e-money) has gained significant popularity in the form of smartphone applications, barcodes, and smart card systems. In previous research, we have developed a smartcard-based device equipped with a dual interface to facilitate electronic transactions using contact or contactless technology. These methods involve initiating a connection with a cloud server, where all transaction data are recorded with full encryption. This device also supports payment activities, as well as checking or topping up account balances by utilizing contact and contactless smart cards, which are produced in Indonesia by PT. Xirka Silicon Technology. The aforementioned research did not explain the significance of a database which actually plays a vital role in the system’s data storage. Therefore, this research aims to provide detailed information on the design of this database. Furthermore, five web pages are designed including, token generator, token list, partner list, payments, and transactions to provide specific services requested by users via a web URL through the database that stores transaction activities carried out by the device.
近年来,电子货币(e-money)以智能手机应用程序、条形码和智能卡系统的形式获得了显著的普及。在之前的研究中,我们开发了一种配备双界面的智能卡设备,以方便使用接触式或非接触式技术进行电子交易。这些方法包括启动与云服务器的连接,其中所有事务数据都以完全加密的方式记录。该设备还支持支付活动,以及通过使用印度尼西亚PT. Xirka硅技术公司生产的接触式和非接触式智能卡来检查或充值账户余额。上述研究并没有解释数据库的重要性,而数据库实际上在系统的数据存储中起着至关重要的作用。因此,本研究旨在为该数据库的设计提供详细的信息。此外,设计了五个网页,包括令牌生成器、令牌列表、合作伙伴列表、支付和交易,通过存储设备执行的交易活动的数据库,通过web URL提供用户请求的特定服务。
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引用次数: 0
Convolutional Neural Network Modeling for Eye Disease Recognition 眼部疾病识别的卷积神经网络建模
Pub Date : 2022-07-11 DOI: 10.3991/ijoe.v18i09.29847
Md. Ashikul Aziz Siddique, J. Ferdouse, Md. Tarek Habib, Md. Jueal Mia, Mohammad Shorif Uddin
The eye is an important sensing organ of the human body, as it reacts to light and allows vision of humans. Many Bangladeshi people become nearsighted when it comes to the awareness of vision loss due to eye disease. Many Bangladeshis people are more concerned about losing their money than getting nearsighted or blind, due to a combination of poverty and illiteracy. With this view, this paper proposes an osteopathic expert system that can deal with an image of the eye and recognize the disease. Here, we have focused on the three most common eye diseases in Bangladesh, namely cataract, chalazion, and squint. We have modeled six convolutional neural networks (CNN’s), namely VGG16, VGG19, MobileNet, Xception, InceptionV3, and DenseNet121 to recognize the diseases. We have reached the best configuration of each of these CNN models after adequate investigation. After performing satisfactory experimentation, we have found that the MobileNet model gives the best performance based on accuracy, precision, recall, and F1-score. At last, we have compared our findings with the recently reported relevant works to show their efficacy.
眼睛是人体重要的感觉器官,因为它对光作出反应,并允许人类的视觉。很多孟加拉人对眼病导致的视力丧失的认识都是近视。由于贫穷和文盲,许多孟加拉国人更关心失去他们的钱,而不是近视或失明。鉴于此,本文提出了一种能够处理眼睛图像并识别疾病的骨科专家系统。在这里,我们重点介绍了孟加拉国最常见的三种眼病,即白内障、色盲和斜视。我们建立了六个卷积神经网络(CNN),即VGG16、VGG19、MobileNet、Xception、InceptionV3和DenseNet121来识别疾病。经过充分的调查,我们已经达到了这些CNN模型的最佳配置。在进行了令人满意的实验后,我们发现MobileNet模型在准确率、精密度、召回率和f1分数方面表现最佳。最后,我们将我们的发现与最近报道的相关工作进行了比较,以显示其有效性。
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引用次数: 2
期刊
Int. J. Online Biomed. Eng.
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