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Prediction of Changes in Blood Parameters Induced by Low-Frequency Ultrasound 低频超声诱导血液参数变化的预测
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-26 DOI: 10.3390/asi6060099
Vytautas Ostasevicius, Agnė Paulauskaite-Taraseviciene, Vaiva Lesauskaite, Vytautas Jurenas, Vacis Tatarunas, Edgaras Stankevicius, Agilė Tunaityte, Mantas Venslauskas, Laura Kizauskiene
In this study, we reveal the influence of low-frequency ultrasound on erythrocyte and platelet aggregation. Furthermore, we show that the consequences of sonication of blood samples can be predicted using machine learning techniques based on a set of explicit parameters. A total of 300 blood samples were exposed to low-frequency ultrasound of varying intensities for different durations. The blood samples were sonicated with low-frequency ultrasound in a water bath, which operated at a frequency of 46 ± 2 kHz. Statistical analyses, an ANOVA, and the non-parametric Kruskal–Wallis method were used to evaluate the effect of ultrasound on various blood parameters. The obtained results suggest that there are statistically significant variations in blood parameters attributed to ultrasound exposure, particularly when exposed to a high-intensity signal lasting 180 or 90 s. Furthermore, among the five machine learning algorithms employed to predict ultrasound’s impact on platelet counts, support vector regression (SVR) exhibited the highest prediction accuracy, yielding an average MAPE of 10.34%. Notably, it was found that the effect of ultrasound on the hemoglobin (with a p-value of < 0.001 for MCH and MCHC and 0.584 for HGB parameters) in red blood cells was higher than its impact on platelet aggregation (with a p-value of 0.885), highlighting the significance of hemoglobin in facilitating the transfer of oxygen from the lungs to bodily tissues.
在本研究中,我们揭示了低频超声对红细胞和血小板聚集的影响。此外,我们表明可以使用基于一组显式参数的机器学习技术预测血液样本超声的后果。总共300份血液样本暴露在不同强度的低频超声下,持续时间不同。血样在水浴中用低频超声进行超声处理,频率为46±2 kHz。采用统计分析、方差分析和非参数Kruskal-Wallis方法评价超声对各血液参数的影响。所获得的结果表明,由于超声暴露,特别是暴露于持续180或90秒的高强度信号时,血液参数有统计学上显著的变化。此外,在用于预测超声对血小板计数影响的五种机器学习算法中,支持向量回归(SVR)的预测精度最高,平均MAPE为10.34%。值得注意的是,超声对血红蛋白的影响(p值为<血红蛋白在红细胞中的影响(MCH和MCHC为0.001,HGB参数为0.584)高于其对血小板聚集的影响(p值为0.885),突出了血红蛋白在促进氧气从肺部转移到身体组织中的重要性。
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引用次数: 0
Manufacturing Innovation: A Heuristic Model of Innovation Processes for Industry 4.0 制造业创新:工业4.0创新过程的启发式模型
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-25 DOI: 10.3390/asi6060098
Maria Stoettrup Schioenning Larsen, Astrid Heidemann Lassen, Casper Schou
Despite the promising potential of Industry 4.0, the transition of the manufacturing industry is still very slow-paced. In this article, we argue that one reason for this development is the fact that existing foundational process models of manufacturing innovation are developed for steady-state conditions, not considering the complexity and uncertainty related to Industry 4.0. This lack of models built for the characteristics of Industry 4.0 further translates into a lack of operational approaches and insights into engaging with Industry 4.0 in practice. Therefore, this article presents a case study of developing a comprehensive Industry 4.0 solution and identifies key characteristics of the emerging process design. Based on the case study findings, we propose a heuristic model of an innovation process for manufacturing innovation. The proposed model uses an iterative process that allows experimentation and exploration with manufacturing innovation. The iterative approach continuously enhances knowledge levels and incorporates this knowledge in the process to refine the design of the manufacturing innovation. Furthermore, the iterative process design supports partitioning the complexity of the manufacturing innovation into smaller parts, which are easier to grasp, thereby improving the conditions for the successful adoption of manufacturing innovations for Industry 4.0.
尽管工业4.0具有巨大的潜力,但制造业的转型速度仍然非常缓慢。在本文中,我们认为这种发展的一个原因是,现有的制造业创新基础流程模型是针对稳态条件开发的,而没有考虑到与工业4.0相关的复杂性和不确定性。缺乏针对工业4.0特征构建的模型进一步转化为缺乏在实践中参与工业4.0的操作方法和见解。因此,本文提出了一个开发全面工业4.0解决方案的案例研究,并确定了新兴流程设计的关键特征。在案例研究的基础上,提出了制造业创新过程的启发式模型。提出的模型使用一个迭代过程,允许实验和探索制造创新。迭代方法不断提高知识水平,并将这些知识融入到制造创新设计的过程中。此外,迭代过程设计支持将制造创新的复杂性划分为更小的部分,这些部分更容易掌握,从而为工业4.0制造创新的成功采用改善了条件。
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引用次数: 0
An Advanced Physiological Control Algorithm for Left Ventricular Assist Devices 一种先进的左心室辅助装置生理控制算法
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-24 DOI: 10.3390/asi6060097
Mohsen Bakouri
Left ventricular assist devices (LVADs) technology requires developing and implementing intelligent control systems to optimize pump speed to achieve physiological metabolic demands for heart failure (HF) patients. This work aimed to design an advanced tracking control algorithm to drive an LVAD under different physiological conditions. The pole placement method, in conjunction with the sliding mode control approach (PP-SMC), was utilized to construct the proposed control method. In this design, the method was adopted to use neural networks to eliminate system uncertainties of disturbances. An elastance function was also developed and used as an input signal to mimic the physiological perfusion of HF patients. Two scenarios, ranging from rest to exercise, were introduced to evaluate the proposed technique. This technique used a lumped parameter model of the cardiovascular system (CVS) for this evaluation. The results demonstrated that the designed controller was robustly tracking the input signal in the presence of the system parameter variations of CVS. In both scenarios, the proposed method shows that the controller automatically drives the LVAD with a minimum flow of 1.7 L/min to prevent suction and 5.7 L/min to prevent over-perfusion.
左心室辅助装置(lvad)技术需要开发和实施智能控制系统来优化泵速,以满足心力衰竭(HF)患者的生理代谢需求。本工作旨在设计一种先进的跟踪控制算法来驱动LVAD在不同的生理条件下。采用极点放置法结合滑模控制方法(PP-SMC)来构建所提出的控制方法。在本设计中,采用了利用神经网络消除系统不确定性干扰的方法。我们还开发了一个弹性函数,并将其作为模拟心衰患者生理灌注的输入信号。介绍了从休息到锻炼的两种情况来评估所提出的技术。该技术使用心血管系统(CVS)的集总参数模型进行评估。结果表明,所设计的控制器在存在系统参数变化的情况下仍能鲁棒地跟踪输入信号。在这两种情况下,所提出的方法表明,控制器自动驱动LVAD,最小流量为1.7 L/min,以防止抽吸,最小流量为5.7 L/min,以防止过度灌注。
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引用次数: 0
ChatGPT as a Virtual Dietitian: Exploring Its Potential as a Tool for Improving Nutrition Knowledge ChatGPT作为虚拟营养师:探索其作为提高营养知识工具的潜力
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-23 DOI: 10.3390/asi6050096
Manuel B. Garcia
The field of health and medical sciences has witnessed a surge of published research exploring the applications of ChatGPT. However, there remains a dearth of knowledge regarding its specific potential and limitations within the domain of nutrition. Given the increasing prevalence of nutrition-related diseases, there is a critical need to prioritize the promotion of a comprehensive understanding of nutrition. This paper examines the potential utility of ChatGPT as a tool for improving nutrition knowledge. Specifically, it scrutinizes its characteristics in relation to personalized meal planning, dietary advice and guidance, food intake tracking, educational materials, and other commonly found features in nutrition applications. Additionally, it explores the potential of ChatGPT to support each stage of the Nutrition Care Process. Addressing the prevailing question of whether ChatGPT can replace healthcare professionals, this paper elucidates its substantial limitations within the context of nutrition practice and education. These limitations encompass factors such as incorrect responses, coordinated nutrition services, hands-on demonstration, physical examination, verbal and non-verbal cues, emotional and psychological aspects, real-time monitoring and feedback, wearable device integration, and ethical and privacy concerns have been highlighted. In summary, ChatGPT holds promise as a valuable tool for enhancing nutrition knowledge, but further research and development are needed to optimize its capabilities in this domain.
在健康和医学科学领域,探索ChatGPT应用的发表研究激增。然而,关于其在营养领域的具体潜力和局限性的知识仍然缺乏。鉴于与营养有关的疾病日益流行,迫切需要优先促进对营养的全面了解。本文探讨了ChatGPT作为提高营养知识的工具的潜在效用。具体来说,它仔细审查了其与个性化膳食计划、饮食建议和指导、食物摄入跟踪、教育材料和其他营养应用中常见的特征相关的特征。此外,它还探讨了ChatGPT支持营养护理过程每个阶段的潜力。针对ChatGPT是否可以取代医疗保健专业人员的普遍问题,本文阐明了其在营养实践和教育背景下的实质性局限性。这些限制因素包括不正确的反应、协调的营养服务、动手示范、身体检查、语言和非语言提示、情感和心理方面、实时监测和反馈、可穿戴设备集成以及道德和隐私问题等。总之,ChatGPT有望成为提高营养知识的宝贵工具,但需要进一步的研究和开发来优化其在这一领域的能力。
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引用次数: 0
AI-Enabled Electrocardiogram Analysis for Disease Diagnosis 用于疾病诊断的人工智能心电图分析
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-20 DOI: 10.3390/asi6050095
Mohammad Mahbubur Rahman Khan Mamun, Tarek Elfouly
Contemporary methods used to interpret the electrocardiogram (ECG) signal for diagnosis or monitoring are based on expert knowledge and rule-centered algorithms. In recent years, with the advancement of artificial intelligence, more and more researchers are using deep learning (ML) and deep learning (DL) with ECG data to detect different types of cardiac issues as well as other health problems such as respiration rate, sleep apnea, and blood pressure, etc. This study presents an extensive literature review based on research performed in the last few years where ML and DL have been applied with ECG data for many diagnoses. However, the review found that, in published work, the results showed promise. However, some significant limitations kept that technique from implementation in reality and being used for medical decisions; examples of such limitations are imbalanced and the absence of standardized dataset for evaluation, lack of interpretability of the model, inconsistency of performance while using a new dataset, security, and privacy of health data and lack of collaboration with physicians, etc. AI using ECG data accompanied by modern wearable biosensor technologies has the potential to allow for health monitoring and early diagnosis within reach of larger populations. However, researchers should focus on resolving the limitations.
当前用于诊断或监测的心电图信号解释方法是基于专家知识和以规则为中心的算法。近年来,随着人工智能的进步,越来越多的研究人员将深度学习(ML)和深度学习(DL)结合ECG数据来检测不同类型的心脏问题以及其他健康问题,如呼吸频率、睡眠呼吸暂停、血压等。本研究提出了广泛的文献综述,基于过去几年的研究,其中ML和DL已与ECG数据应用于许多诊断。然而,审查发现,在发表的工作中,结果显示出希望。然而,一些重大限制使这项技术无法在现实中实施和用于医疗决定;这些限制的例子包括不平衡和缺乏用于评估的标准化数据集、缺乏模型的可解释性、使用新数据集时性能不一致、健康数据的安全性和隐私性以及缺乏与医生的协作等。使用心电图数据的人工智能与现代可穿戴生物传感器技术相结合,有可能使更多人能够进行健康监测和早期诊断。然而,研究人员应该专注于解决这些局限性。
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引用次数: 0
Towards an Indoor Gunshot Detection and Notification System Using Deep Learning 基于深度学习的室内枪响检测与通知系统
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-19 DOI: 10.3390/asi6050094
Tareq Khan
Gun violence and mass shootings kill and injure people, create psychological trauma, damage properties, and cause economic loss. The loss from gun violence can be reduced if we can detect the gunshot early and notify the police as soon as possible. In this project, a novel gunshot detector device is developed that automatically detects indoor gunshot sound and sends the gunshot location to the nearby police station in real time using the Internet. The users of the device and the emergency responders also receive smartphone notifications whenever the shooting happens. This will help the emergency responders to quickly arrive at the crime scene, thus the shooter can be caught, injured people can be taken to the hospital quickly, and lives can be saved. The gunshot detector is an electronic device that can be placed in schools, shopping malls, offices, etc. The device also records the gunshot sounds for post-crime scene analysis. A deep learning model, based on a convolutional neural network (CNN), is trained to classify the gunshot sound from other sounds with 98% accuracy. A prototype of the gunshot detector device, the central server for the emergency responder’s station, and smartphone apps have been developed and tested successfully.
枪支暴力和大规模枪击事件造成人员伤亡,造成心理创伤,破坏财产,并造成经济损失。如果我们能及早发现枪声并尽快通知警方,枪支暴力造成的损失就可以减少。在本项目中,我们开发了一种新型的枪响探测器,它可以自动检测室内枪响,并通过互联网将枪响位置实时发送到附近的派出所。每当发生枪击事件时,该设备的用户和紧急救援人员也会收到智能手机通知。这将有助于应急人员迅速到达犯罪现场,从而可以抓住枪手,受伤的人可以迅速送往医院,挽救生命。枪响探测器是一种电子设备,可以放置在学校、商场、办公室等场所。该设备还能记录下枪声,用于犯罪现场分析。基于卷积神经网络(CNN)的深度学习模型经过训练,可以将枪声与其他声音区分开来,准确率达到98%。枪声探测装置的原型、应急响应站的中央服务器和智能手机应用程序已经开发并成功测试。
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引用次数: 0
Empirical Model for the Retained Stability Index of Asphalt Mixtures Using Hybrid Machine Learning Approach 基于混合机器学习方法的沥青混合料保持稳定指数经验模型
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-18 DOI: 10.3390/asi6050093
Yazeed S. Jweihan, Mazen J. Al-Kheetan, Musab Rabi
Moisture susceptibility is a complex phenomenon that induces various distresses in asphalt pavements and can be assessed by the Retained Stability Index (RSI). This study proposes a robust model to predict the RSI using a hybrid machine learning technique, including Artificial Neural Network (ANN) and Gene Expression Programming. The model is expressed as a simple and direct mathematical function with input variables of mineral filler proportion (F%), water absorption rate of combined aggregate (Ab%), asphalt content (AC%), and air void content (Va%). A relative importance analysis ranked AC% as the most influential variable on RSI, followed by Va%, F%, and Ab%. The experimental RSI results of 150 testing samples of various mixes were utilized along with other data points generated by the ANN to train and validate the proposed model. The model promotes a high level of accuracy for predicting the RSI with a 96.6% coefficient of determination (R2) and very low errors. In addition, the sensitivity of the model has been verified by considering the effect of the variables, which is in line with the results of network connection weight and previous studies in the literature. F%, Ab%, and Va% have an inverse relationship with the RSI values, whereas AC% has the opposite. The model helps forecast the water susceptibility of asphalt mixes by which the experimental effort is minimized and the mixes’ performance can be improved.
湿敏感性是沥青路面的一种复杂现象,可通过保持稳定指数(RSI)进行评价。本研究提出了一个鲁棒模型来预测RSI使用混合机器学习技术,包括人工神经网络(ANN)和基因表达编程。该模型以矿物填料比例(F%)、组合骨料吸水率(Ab%)、沥青含量(AC%)和空隙率(Va%)为输入变量,用简单直接的数学函数表示。相对重要性分析将AC%列为对RSI影响最大的变量,其次是Va%、F%和Ab%。将150个不同混合测试样本的RSI实验结果与人工神经网络生成的其他数据点一起用于训练和验证所提出的模型。该模型预测RSI的准确度为96.6%,误差极低。此外,通过考虑变量的影响,验证了模型的敏感性,这与网络连接权值和文献中已有的研究结果一致。F%、Ab%和Va%与RSI值呈反比关系,而AC%则相反。该模型有助于预测沥青混合料的水敏感性,从而减少试验工作量,提高混合料的性能。
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引用次数: 0
Investigating and Analyzing Self-Reporting of Long COVID on Twitter: Findings from Sentiment Analysis 调查和分析Twitter上长COVID的自我报告:情绪分析的结果
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-12 DOI: 10.3390/asi6050092
Nirmalya Thakur
This paper presents multiple novel findings from a comprehensive analysis of a dataset comprising 1,244,051 Tweets about Long COVID, posted on Twitter between 25 May 2020 and 31 January 2023. First, the analysis shows that the average number of Tweets per month wherein individuals self-reported Long COVID on Twitter was considerably high in 2022 as compared to the average number of Tweets per month in 2021. Second, findings from sentiment analysis using VADER show that the percentages of Tweets with positive, negative, and neutral sentiments were 43.1%, 42.7%, and 14.2%, respectively. To add to this, most of the Tweets with a positive sentiment, as well as most of the Tweets with a negative sentiment, were not highly polarized. Third, the result of tokenization indicates that the tweeting patterns (in terms of the number of tokens used) were similar for the positive and negative Tweets. Analysis of these results also shows that there was no direct relationship between the number of tokens used and the intensity of the sentiment expressed in these Tweets. Finally, a granular analysis of the sentiments showed that the emotion of sadness was expressed in most of these Tweets. It was followed by the emotions of fear, neutral, surprise, anger, joy, and disgust, respectively.
本文介绍了对2020年5月25日至2023年1月31日期间在Twitter上发布的关于Long COVID的1,244,051条推文的数据集进行综合分析的多项新发现。首先,分析显示,与2021年的平均每月推文数量相比,2022年个人在推特上自我报告长COVID的平均每月推文数量相当高。其次,使用VADER进行情绪分析的结果显示,积极、消极和中性情绪的推文比例分别为43.1%、42.7%和14.2%。除此之外,大多数带有积极情绪的推文,以及大多数带有消极情绪的推文,并没有高度两极分化。第三,标记化的结果表明,积极和消极推文的推文模式(就使用的令牌数量而言)是相似的。对这些结果的分析还表明,使用代币的数量与这些推文中表达的情绪强度之间没有直接关系。最后,对这些情绪的细致分析表明,这些推文中的大多数都表达了悲伤的情绪。紧随其后的情绪分别是恐惧、中性、惊讶、愤怒、喜悦和厌恶。
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引用次数: 0
Learning at Your Fingertips: An Innovative IoT-Based AI-Powered Braille Learning System 指尖学习:创新的基于物联网的人工智能盲文学习系统
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-11 DOI: 10.3390/asi6050091
Ghazanfar Latif, Ghassen Ben Brahim, Sherif E. Abdelhamid, Runna Alghazo, Ghadah Alhabib, Khalid Alnujaidi
Visual impairment should not hinder an individual from achieving their aspirations, nor should it be a hindrance to their contributions to society. The age in which persons with disabilities were treated unfairly is long gone, and individuals with disabilities are productive members of society nowadays, especially when they receive the right education and are given the right tools to succeed. Thus, it is imperative to integrate the latest technologies into devices and software that could assist persons with disabilities. The Internet of Things (IoT), artificial intelligence (AI), and Deep Learning (ML)/deep learning (DL) are technologies that have gained momentum over the past decade and could be integrated to assist persons with disabilities—visually impaired individuals. In this paper, we propose an IoT-based system that can fit on the ring finger and can simulate the real-life experience of a visually impaired person. The system can learn and translate Arabic and English braille into audio using deep learning techniques enhanced with transfer learning. The system is developed to assist both visually impaired individuals and their family members in learning braille through the use of the ring-based device, which captures a braille image using an embedded camera, recognizes it, and translates it into audio. The recognition of the captured braille image is achieved through a transfer learning-based Convolutional Neural Network (CNN).
视力障碍不应妨碍个人实现自己的愿望,也不应妨碍他们为社会作出贡献。残疾人受到不公平对待的时代早已过去,如今,残疾人是社会中有生产力的成员,特别是当他们接受了正确的教育并获得了成功的正确工具时。因此,必须将最新的技术整合到能够帮助残疾人的设备和软件中。物联网(IoT)、人工智能(AI)和深度学习(ML)/深度学习(DL)是过去十年发展势头强劲的技术,可以整合起来帮助残疾人-视障人士。在本文中,我们提出了一种基于物联网的系统,可以安装在无名指上,并可以模拟视障人士的真实体验。该系统可以使用迁移学习增强的深度学习技术,学习并将阿拉伯语和英语盲文翻译成音频。该系统的开发是为了帮助视障人士及其家庭成员通过使用基于戒指的设备学习盲文,该设备使用嵌入式摄像头捕获盲文图像,识别并将其转换为音频。对捕获的盲文图像的识别是通过基于迁移学习的卷积神经网络(CNN)实现的。
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引用次数: 0
Application of Deep Learning in the Early Detection of Emergency Situations and Security Monitoring in Public Spaces 深度学习在突发事件早期检测和公共空间安全监控中的应用
Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-10-08 DOI: 10.3390/asi6050090
William Villegas-Ch, Jaime Govea
This article addresses the need for early emergency detection and safety monitoring in public spaces using deep learning techniques. The problem of discerning relevant sound events in urban environments is identified, which is essential to respond quickly to possible incidents. To solve this, a method is proposed based on extracting acoustic features from captured audio signals and using a deep learning model trained with data collected both from the environment and from specialized libraries. The results show performance metrics such as precision, completeness, F1-score, and ROC-AUC curve and discuss detailed confusion matrices and false positive and negative analysis. Comparing this approach with related works highlights its effectiveness and potential in detecting sound events. The article identifies areas for future research, including incorporating real-world data and exploring more advanced neural architectures, and reaffirms the importance of deep learning in public safety.
本文讨论了使用深度学习技术在公共场所进行早期紧急情况检测和安全监测的需求。确定了在城市环境中识别相关声音事件的问题,这对于快速响应可能发生的事件至关重要。为了解决这个问题,提出了一种方法,该方法基于从捕获的音频信号中提取声学特征,并使用从环境和专业库中收集的数据训练的深度学习模型。结果显示了精度、完整性、f1分数和ROC-AUC曲线等性能指标,并讨论了详细的混淆矩阵和假阳性和阴性分析。通过与相关文献的比较,可以看出该方法在声事件检测中的有效性和潜力。文章确定了未来的研究领域,包括结合现实世界的数据和探索更先进的神经架构,并重申了深度学习在公共安全中的重要性。
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引用次数: 0
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Applied System Innovation
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