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3D Pre-Processing Algorithm for MRI Images of Different Stages of AD AD不同阶段MRI图像的三维预处理算法
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.40191
Thamizhvani T. R., Hemalatha R. J.
Alzheimer’s disease (AD) is a degenerative neuronal brain disorder resulting in memory loss, skills, and cognitive changes. The disorder’s primary diagnostic tests are defined as total brain atrophy and hippocampal atrophy. Early diagnosis is significant, and automatic systems design is necessary for this disorder. Potential biomarkers for AD are described using a hippocampal magnetic resonance imaging volumetry system with certain limitations. For the definite identification of the hippocampus region, pre-processing of the 3D MRI images of AD is necessary. The filtering and histogram-based pre-processing techniques enhance the region of interest, which helps in effectively segmenting the biomarker, the hippocampus. The median and eight histogram clippings are defined to be 98% efficient pre-processing techniques with the comparison of image quality parameters and statistical analysis. Thus an algorithm for pre-processing of the 3D MRI images of stages of AD is designed for the further process of identification.
阿尔茨海默病(AD)是一种退行性神经元大脑疾病,导致记忆丧失、技能和认知变化。该疾病的主要诊断测试被定义为全脑萎缩和海马萎缩。早期诊断是重要的,对这种疾病进行自动系统设计是必要的。潜在的AD生物标志物描述使用海马磁共振成像容量测量系统具有一定的局限性。为了明确识别海马区域,需要对AD的三维MRI图像进行预处理。滤波和基于直方图的预处理技术增强了感兴趣的区域,这有助于有效地分割生物标志物海马体。通过对图像质量参数的比较和统计分析,定义了中位数和8次直方图裁剪为98%高效的预处理技术。为此,设计了一种对AD各阶段的三维MRI图像进行预处理的算法,以便进一步进行识别。
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引用次数: 0
Brain Tumor Localization Using N-Cut 利用N-Cut技术定位脑肿瘤
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.41641
Tapasmini Sahoo, Kunal Kumar Das
A brain tumor is an abnormal collection of tissue in the brain. When tumors form, they are classified as either malignant or benign. It is critical to notice and identify the existence of tumors in brain images since they can be life threatening. This paper illustrates a novel segmentation method in which threshold technique is combined with normalized cut (Ncut) for the segregation of the tumors from brain magnetic resonance (MR) images. Image segmentation is a technique for grouping images. It is a method of splitting an image into sections with comparable attributes such as intensity, texture, colour, and so on. In thresholding, an object is distinguished from the background, and for the proposed segmentation methodology, the threshold value is determined by normalized graph cut. A weighted graph is divided into disjointed sets (groups) in which the similarity within a group is high and the similarity across groups is low. A graph-cut is a grouping approach in which the total weight of edges eliminated between these two pieces is used to calculate the degree of dissimilarity between these two groups. The normalized cut criterion is used to calculate the total likeness within the groups as well as the dissimilarity between the different groups.
脑瘤是大脑中异常组织的集合。肿瘤形成后分为恶性和良性。在脑图像中注意和识别肿瘤的存在是至关重要的,因为它们可能危及生命。本文提出了一种将阈值技术与归一化切割(Ncut)相结合的脑磁共振图像肿瘤分割方法。图像分割是一种对图像进行分组的技术。它是一种将图像分割成具有类似属性(如强度、纹理、颜色等)的部分的方法。在阈值分割中,将目标与背景区分开来,对于所提出的分割方法,阈值由归一化图切确定。加权图被划分为不相交的集合(组),组内相似度高,组间相似度低。图切是一种分组方法,其中使用在这两个块之间消除的边的总权重来计算这两个组之间的不相似度。使用归一化切割准则计算组内的总相似度以及组间的不相似度。
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引用次数: 0
Modification of an IMU Based System for Analyzing Hand Kinematics During Activities of Daily Living 基于IMU的日常生活中手部运动分析系统的改进
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.43061
None Taif Nabeel Muslim, None Hassanain Ali Lafta
The hand of a human being is the most commonly utilized body part in daily activities. Assessing the functional capability is highly challenging and important in medical applications purposes. This research aims to design and implement a sensor-based system for function assessment and movements analysis of the hand by calculating the angular velocity, acceleration and magnetic field for the joints of the fingers during the daily activities. The proposed system was applied to two groups of volunteers: The first group consisted of seven males, whereas the second group consisted of seven females, and the results were taken by calculating the acceleration, angular velocity, magnetic field during activities of daily living (ADL). This study showed the system is important in hand movement and control function evaluation. The thumb and index fingers have similar pitch orientations while interacting, while the middle finger employs a distinct range. Yaw variables are less noticeable, but the variation in roll angles between fingers is.
人的手是日常活动中最常用的身体部位。在医疗应用目的中,评估功能能力是非常具有挑战性和重要的。本研究旨在通过计算手指关节在日常活动中的角速度、加速度和磁场,设计并实现一个基于传感器的手部功能评估和运动分析系统。该系统应用于两组志愿者:第一组由7名男性组成,第二组由7名女性组成,通过计算日常生活活动(ADL)时的加速度、角速度和磁场来获得结果。该研究表明,该系统在手部运动和控制功能评估中具有重要意义。拇指和食指在相互作用时具有相似的音调方向,而中指则使用不同的范围。偏航变量不太明显,但在手指之间滚动角度的变化是。
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引用次数: 0
Designing an Ethical and Secure Pain Estimation System Using AI Sandbox for Contactless Healthcare 在非接触式医疗中使用人工智能沙盒设计一个道德和安全的疼痛评估系统
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.43663
Umair Ali Khan, Ari Alamäki
Pain estimation in patients having communication difficulties is vital for preventing adverse consequences such as misdiagnosis, delayed treatment, and increased suffering. Traditional pain assessment tools relying on observer-based ratings and patient self-reporting are hampered by subjectivity and the need for continuous human monitoring, which have the potential to lead to inaccurate or delayed pain estimation. This paper presents an extensive literature review, a conceptual framework, and a systematic procedure for helping researchers develop a contactless, multimodal pain estimation system that leverages AI-based automation of standard pain assessment tools and scales within an AI sandbox environment. Our proposed concept aims to improve the efficiency of traditional pain estimation systems while reducing subjectivity and physical contact. This approach offers potential benefits, such as more accurate and timely pain assessment, reduced burden on healthcare professionals, and improved patient experiences. Moreover, the integration of the AI sandbox allows researchers and developers to experiment with AI models, algorithms, and systems safely and securely, ensuring that AI systems are reliable and robust before deployment. We also discuss potential challenges and ethical considerations related to the use of AI in pain estimation, emphasizing the importance of addressing these concerns to ensure the safe and responsible integration of this technology into healthcare systems. The paper lays a foundation for future research and innovation in pain management, ultimately contributing to better patient care and advancements in the field.
对有沟通困难的患者进行疼痛评估对于预防诸如误诊、延误治疗和增加痛苦等不良后果至关重要。传统的疼痛评估工具依赖于基于观察者的评分和患者自我报告,由于主观性和需要持续的人工监测而受到阻碍,这有可能导致不准确或延迟的疼痛评估。本文介绍了广泛的文献综述,概念框架和系统程序,以帮助研究人员开发非接触式,多模态疼痛估计系统,该系统利用基于人工智能的标准疼痛评估工具和尺度的自动化,在人工智能沙盒环境中。我们提出的概念旨在提高传统疼痛评估系统的效率,同时减少主观性和身体接触。这种方法提供了潜在的好处,例如更准确和及时的疼痛评估,减轻了医疗保健专业人员的负担,并改善了患者体验。此外,人工智能沙盒的集成使研究人员和开发人员能够安全地对人工智能模型、算法和系统进行实验,确保人工智能系统在部署之前是可靠和健壮的。我们还讨论了在疼痛评估中使用人工智能的潜在挑战和伦理考虑,强调了解决这些问题的重要性,以确保将这项技术安全和负责任地集成到医疗保健系统中。本文为疼痛管理的未来研究和创新奠定了基础,最终为更好的患者护理和该领域的进步做出贡献。
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引用次数: 0
Recent Biomaterial Developments for Bone Tissue Engineering and Potential Clinical Application: Narrative Review of the Literature 骨组织工程生物材料的最新进展及其潜在的临床应用:文献综述
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.41879
Hamza Abu Owida, Muhammad Al-Ayyad, Nidal M. Turab, Jamal I. Al-Nabulsi
Over the course of time, there has been a progression in the materials utilized for implants, transitioning from inert substances to those that replicate the structural characteristics of bone. Consequently, there has been a development of bioabsorbable, biocompatible, and bioactive materials. This article presents a comprehensive survey of diverse biomaterials with the potential to serve as scaffolds for bone tissue engineering. The objective of this study is to present an in-depth review of the predominant biomaterials utilized in the fabrication of scaffolds. This review encompasses the origins, classifications, characteristics, and methodologies involved in the development of these biomaterials. The review also highlights the incorporation of additives in biomaterial scaffolds. This study ultimately underscores the potential advantages and challenges associated with the utilization of biomaterials in scaffolds for bone tissue engineering. Additionally, it critically examines the integration of state-of-the-art technology with biomaterials.
随着时间的推移,用于植入物的材料已经取得了进展,从惰性物质过渡到复制骨骼结构特征的材料。因此,生物可吸收、生物相容性和生物活性的材料得到了发展。这篇文章提出了一个全面的调查不同的生物材料的潜力,作为骨组织工程支架。本研究的目的是对目前主要的生物材料在支架制造中的应用进行深入的回顾。本文综述了这些生物材料的起源、分类、特点和开发方法。综述还强调了生物材料支架中添加剂的掺入。这项研究最终强调了生物材料在骨组织工程支架中应用的潜在优势和挑战。此外,它批判性地检查了最先进的技术与生物材料的整合。
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引用次数: 0
Segmentation of Retinal Images Using Improved Segmentation Network, MesU-Net 基于改进分割网络MesU-Net的视网膜图像分割
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.41969
Anitha T. Nair, Anitha M. L., Arun Kumar M. N.
Given the immense importance of medical image segmentation and the challenges associated with manual execution, a diverse range of automated medical image segmentation methods have been developed, primarily focusing on specific modalities of images. This paper introduces an innovative segmentation algorithm that effectively segments exudates, hemorrhages, microaneurysms, and blood vessels within retinal images using an enhanced MesNet (MesU-Net) model. By combining the MES-Net model with the U-Net model, this approach achieves accurate results in a shorter period. Consequently, it holds significant potential for clinical application in computer-aided diagnosis. The IDRID and DRIVE datasets are utilized to assess the efficacy of the proposed model for retinal segmentation. The presented method attains segmentation accuracy rates of 97.6%, 98.1%, 99.2%, and 83.7% for exudates, hemorrhages, microaneurysms, and blood vessels, respectively. This proposed model also holds promise for extension to address other medical image segmentation challenges in the future.
鉴于医学图像分割的巨大重要性和与手动执行相关的挑战,已经开发了各种各样的自动化医学图像分割方法,主要关注图像的特定模式。本文介绍了一种创新的分割算法,该算法使用增强的MesNet (MesU-Net)模型有效地分割视网膜图像中的渗出物、出血物、微动脉瘤和血管。该方法将MES-Net模型与U-Net模型相结合,可以在较短的时间内获得准确的结果。因此,它在计算机辅助诊断的临床应用中具有重要的潜力。利用IDRID和DRIVE数据集来评估所提出的视网膜分割模型的有效性。该方法对渗出液、出血性、微动脉瘤和血管的分割准确率分别为97.6%、98.1%、99.2%和83.7%。该模型也有望在未来扩展到解决其他医学图像分割挑战。
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引用次数: 0
Factors That Influence the Adoption of Digital Dental Technologies and Dental Informatics in Dental Practice 影响牙科实践中采用数字牙科技术和牙科信息的因素
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.43015
Khalid Fahad Alotaibi, None Azleena Mohd Kassim
The factors affecting information systems and technology have become a growing topic in many disciplines. This study focuses on factors affecting the adoption of digital dental technologies and dental informatics in dental practice. There are limited studies in the literature on factors that affect the adoption of digital dental technologies (DDT) and dental informatics (DI). Understanding the factors is important for the success of the adoption of technologies. Therefore, this study aims to fill that gap. This paper reviews peer-reviewed literature to analyze factors that affect the adoption of digital dental technologies (DDT) and dental informatics (DI) and critically examines an array of technology acceptance models to unveil the underlying determinants of DDT and DI adoption. Usability and practical considerations, work efficiency factors, socioeconomic and organizational aspects, aspects of the learning curve, and system design are the most important factors influencing the adoption of digital dental technologies and dental informatics. The study results identified the conceptual framework for the factors affecting the adoption of digital dentistry.
影响信息系统和技术的因素已经成为许多学科中日益增长的话题。本研究的重点是影响数字牙科技术和牙科信息学在牙科实践中的应用的因素。文献中关于影响数字牙科技术(DDT)和牙科信息学(DI)采用的因素的研究有限。了解这些因素对于技术的成功采用非常重要。因此,本研究旨在填补这一空白。本文回顾了同行评议的文献,分析了影响数字牙科技术(DDT)和牙科信息学(DI)采用的因素,并严格检查了一系列技术接受模型,以揭示DDT和DI采用的潜在决定因素。可用性和实用性考虑、工作效率因素、社会经济和组织方面、学习曲线方面以及系统设计是影响数字牙科技术和牙科信息学采用的最重要因素。研究结果确定了影响采用数字牙科的因素的概念框架。
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引用次数: 0
Early Diagnosis of Diabetes: A Comparison of Machine Learning Methods 糖尿病的早期诊断:机器学习方法的比较
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.42417
Mowafaq Salem Alzboon, Mohammad Subhi Al-Batah, Muhyeeddin Alqaraleh, Ahmad Abuashour, Ahmad Fuad Hamadah Bader
Detection and management of diabetes at an early stage is essential since it is rapidly becoming a global health crisis in many countries. Predictions of diabetes using machine learning algorithms have been promising. In this work, we use data collected from the Pima Indians to assess the performance of multiple machine-learning approaches to diabetes prediction. Ages, body mass indexes, and glucose levels for 768 patients are included in the data set. The methods evaluated are Logistic Regression, Decision Tree, Random Forest, k-Nearest Neighbors, Naive Bayes, Support Vector Machine, Gradient Boosting, and Neural Network. The findings indicate that the Logistic Regression and Neural Network models perform the best on most criteria when considering all classes together. The SVM, Random Forest, and Naive Bayes models also receive moderate to high scores, suggesting their strength as classification models. However, the kNN and Tree models show poorer scores on most criteria across all classes, making them less favorable choices for this dataset. The SGD, AdaBoost, and CN2 rule inducer models perform the poorest when comparing all models using a weighted average of class scores. The results of the study suggest that machine learning algorithms may help predict the onset of diabetes and for detecting the disease at an early stage.
糖尿病正迅速成为许多国家的全球性健康危机,因此在早期阶段发现和管理糖尿病至关重要。利用机器学习算法预测糖尿病一直很有前景。在这项工作中,我们使用从皮马印第安人收集的数据来评估多种机器学习方法在糖尿病预测中的性能。数据集中包括768例患者的年龄、体重指数和血糖水平。评估的方法有逻辑回归、决策树、随机森林、k近邻、朴素贝叶斯、支持向量机、梯度增强和神经网络。研究结果表明,当考虑所有类别时,逻辑回归和神经网络模型在大多数标准上表现最好。支持向量机、随机森林和朴素贝叶斯模型也得到了中等到较高的分数,表明它们作为分类模型的强度。然而,kNN和Tree模型在所有类别的大多数标准上都显示出较差的分数,这使得它们不太适合这个数据集。当使用类分数的加权平均值比较所有模型时,SGD、AdaBoost和CN2规则诱导器模型表现最差。研究结果表明,机器学习算法可能有助于预测糖尿病的发病,并在早期发现这种疾病。
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引用次数: 0
Optimizing Machine Learning Algorithms for Heart Disease Classification and Prediction 优化心脏疾病分类和预测的机器学习算法
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.42653
Abdeljalil El-Ibrahimi, Oumaima Terrada, Oussama El Gannour, Bouchaib Cherradi, Ahmed El Abbassi, Omar Bouattane
According to the World Health Organization (WHO), cardiovascular disease is one of the leading causes of death worldwide. Thus, the prevention of this kind of illness is considered as a huge human health challenge. Additionally, the diagnostic process often involves a combination of clinical examination, laboratory tests, and other diagnostic procedures, which can be complex and time-consuming. However, advances in medical technology and research have led to improved methods for diagnosing heart disease, which can help to improve patient outcomes. Furthermore, Machine Learning (ML) methods have shown promise in helping to improve the diagnosis of heart disease. Each method requires specific parameters to produce good results. In this paper, we propose a diagnosis support system based on optimized Machine Learning algorithms, which is Artificial Neural Network (ANN), Support Vector Machine (SVM), K_Nearest Neighbour (KNN), Naive Bayes (NB), and Decision Tree (DT) to analyze the major cardiovascular risk factors, such as age, gender, high blood pressure, etc. To train and validate the ML models, a medical dataset of 558 patients with atherosclerosis is used. In this work, we achieved a 96.67% as promising accuracy level for the atherosclerosis prediction with ANN.
根据世界卫生组织(WHO)的数据,心血管疾病是世界范围内导致死亡的主要原因之一。因此,预防这类疾病被认为是一项巨大的人类健康挑战。此外,诊断过程通常包括临床检查、实验室检查和其他诊断程序,这可能是复杂和耗时的。然而,医疗技术和研究的进步导致了心脏病诊断方法的改进,这有助于改善患者的预后。此外,机器学习(ML)方法在帮助改善心脏病的诊断方面显示出了希望。每种方法都需要特定的参数才能产生良好的结果。本文提出了一种基于优化机器学习算法的诊断支持系统,该系统包括人工神经网络(ANN)、支持向量机(SVM)、K_Nearest Neighbour (KNN)、朴素贝叶斯(NB)和决策树(DT),用于分析年龄、性别、高血压等心血管疾病的主要危险因素。为了训练和验证ML模型,使用了558例动脉粥样硬化患者的医学数据集。在这项工作中,我们用人工神经网络预测动脉粥样硬化的准确率达到了96.67%。
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引用次数: 0
Perfusionists’ Perception of a Blended Training Process in the Management of Extracorporeal Membranes 灌注师对体外膜管理混合训练过程的感知
Q2 Engineering Pub Date : 2023-10-25 DOI: 10.3991/ijoe.v19i15.40823
Oscar Boude, Carol Bravo Pineda
During the SARS-CoV-2 pandemic, many challenges were faced in the global healthcare system, one of which was the lack of competent professionals to implement therapies such as extracorporeal membrane oxygenation (ECMO), which proved to be lifesaving during the H1N1 virus infection. In response to this need, this project aimed to determine the characteristics of a blended training process to contribute to the development of competencies in the management of ECMO therapy and to understand the perception of participants regarding this training process as a suitable strategy for competency development. A mixed design with a descriptive scope based on design-based research was used. The main results indicated that the designed learning environment was suitable for competency development in ECMO therapy management, as well as the importance of including high-quality simulation scenarios in the development of skills for managing this type of therapy. However, the most significant impact was observed in the development of competencies and skills of the participating healthcare professionals through the process of feedback.
在SARS-CoV-2大流行期间,全球卫生保健系统面临许多挑战,其中之一是缺乏有能力的专业人员来实施体外膜氧合(ECMO)等疗法,这种疗法在H1N1病毒感染期间被证明可以挽救生命。为了应对这一需求,本项目旨在确定混合培训过程的特征,以促进ECMO治疗管理能力的发展,并了解参与者将此培训过程视为能力发展的合适策略的看法。采用基于设计的研究为基础,具有描述性范围的混合设计。主要结果表明,设计的学习环境适合于ECMO治疗管理的能力发展,以及在管理这种治疗的技能发展中包括高质量的模拟场景的重要性。然而,观察到最显著的影响是通过反馈过程培养参与的医疗保健专业人员的能力和技能。
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引用次数: 0
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International Journal of Online and Biomedical Engineering
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