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2020 Medical Technologies Congress (TIPTEKNO)最新文献

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Development of a Full Face Mask during the COVID-19 Epidemic Spread Period 新型冠状病毒病疫情传播期全口罩的研制
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299245
Başak Lara Günal, V. Keskin, F. Kartufan, ve Özge Köner
Zoonotic retroviruses can cause widespread morbidity and mortality. Preventive vaccines are currently available for a limited number of viruses. Since an effective vaccine against COVID19 cannot be developed yet, personal protection equipment (PPE) is essential, especially for protecting the healthcare providers against such contaminations. Full face protecting equipment has a vital role in PPE. During the April 2020 spreading period of the COVID-19 epidemic, filter adapters were required to create a snorkel based full face mask as a PPE. This study aimed to report different production methods for filter adapters, features, advantages-disadvantages and combining the resulting mask’s physical characteristics and cost analysis.
人畜共患逆转录病毒可引起广泛的发病率和死亡率。目前可用于有限数量病毒的预防性疫苗。由于尚未开发出有效的covid - 19疫苗,个人防护装备(PPE)至关重要,特别是在保护医疗保健提供者免受此类污染方面。全面防护装备在PPE中起着至关重要的作用。在2020年4月COVID-19流行的传播期间,需要过滤器适配器来制造一个通气管式全面罩作为个人防护装备。本研究旨在报告不同的过滤器适配器的生产方法,特点,优缺点,并结合所得到的口罩的物理特性和成本分析。
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引用次数: 0
A Study On Finding The Optimal Time For Automatic Transition To Self-Driving Mode 汽车自动切换至自动驾驶模式的最佳时间选择研究
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299243
F. Nassehi, Başak Erdoğdu, Sena Şişman, Yağmur Sağlam, O. Eroğul
Topic of self-driving mode and transition to this mode is one of the trend topics of biomedical engineering and artificial intelligence studies. Sleeplessness and sleep efficiency to cause inattention in driving and accidents. This study aimed to investigate convenient time to transit self-driving mode respect to number of accidents and sleep efficiency of driver by using Support Vector Machines and K-Nearest neighbors classification algorithms to reduce the accidents. Approximate entropy and Lyapunov exponent for Electroencephalography and dominant frequency, ratio of power of high frequency to low frequency, area under the curve and derivative respiration signals were extracted. This proposal method achieves 93.33% and 100% accuracies to classify drivers and transit car to self-driving mode respect to two criteria.
自动驾驶模式及其向自动驾驶模式的过渡是生物医学工程和人工智能研究的趋势课题之一。失眠和睡眠效率低下会导致驾驶时注意力不集中和发生事故。本研究采用支持向量机和k近邻分类算法,从事故数量和驾驶员睡眠效率两方面考察自动驾驶模式的交通便捷时间,以减少事故发生。提取脑电信号的近似熵和李雅普诺夫指数、主频率、高频低频功率比、曲线下面积和呼吸信号的导数。该方法在两个标准下对驾驶员和中转车进行自动驾驶模式分类的准确率分别达到93.33%和100%。
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引用次数: 0
Automatic Brain Tissue Segmentation on TOF MRA Image TOF MRA图像的脑组织自动分割
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299302
Ş. K. Özen, M. Aksahin
For the segmentation of brain vessels from MRA images, brain tissue is used in the head, eye, skull, etc. must be separated from the structures. For this reason, studies are carried out for the segmentation of brain tissue. In this study, the method that automatically segregates brain tissue from magnetic resonance angiography images taken with time of flight (TOF) technique is presented. The method in the study consists of five steps. First of all, the tip contrast values in the image are filtered by anisotropic diffusion filtering method. Parameters of anisotropic diffusion method are determined automatically by the natural image quality evaluator method. Sudden density transitions are detected by applying LoG edge detection filter on the filtered image. It is made ready for image analysis by applying etching on the image with density transitions. According to the conditions determined in image analysis, brain tissue is obtained separated from other head structures. As a result of this study, an easy-to-apply, fast-delivering, high-accuracy automatic algorithm has been introduced.
对于从MRA图像中分割脑血管,使用的是脑组织,头部、眼睛、颅骨等必须从结构中分离出来。为此,开展了脑组织分割的研究。本文提出了一种利用飞行时间(TOF)技术从磁共振血管造影图像中自动分离脑组织的方法。本研究的方法包括五个步骤。首先,采用各向异性扩散滤波方法对图像中的尖端对比度值进行滤波。各向异性扩散法的参数由自然图像质量评价器法自动确定。通过对滤波后的图像应用LoG边缘检测滤波器检测密度突变。通过对具有密度过渡的图像进行蚀刻,为图像分析做好了准备。根据图像分析中确定的条件,从其他头部结构中分离出脑组织。在此基础上,提出了一种易于应用、快速交付、高精度的自动算法。
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引用次数: 0
Detection of Covid-19 Patients with Convolutional Neural Network Based Features on Multi-class X-ray Chest Images 基于卷积神经网络特征的多类胸部x线图像新冠肺炎检测
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299289
A. Narin
Covid-19 is a very serious deadly disease that has been announced as a pandemic by the world health organization (WHO). The whole world is working with all its might to end Covid-19 pandemic, which puts countries in serious health and economic problems, as soon as possible. The most important of these is to correctly identify those who get the Covid-19. Methods and approaches to support the reverse transcription polymerase chain reaction (RT-PCR) test have begun to take place in the literature. In this study, chest X-ray images, which can be accessed easily and quickly, were used because the covid19 attacked the respiratory systems. Classification performances with support vector machines have been obtained by using the features extracted with residual networks (ResNet-50), one of the convolutional neural network models, from these images. While Covid-19 detection is obtained with support vector machines (SVM)-quadratic with the highest sensitivity value of 96.35% with the 5-fold cross-validation method, the highest overall performance value has been detected with both SVM-quadratic and SVM-cubic above 99%. According to these high results, it is thought that this method, which has been studied, will help radiology specialists and reduce the rate of false detection.
Covid-19是一种非常严重的致命疾病,已被世界卫生组织(世卫组织)宣布为大流行。全世界都在竭尽全力尽快结束Covid-19大流行,这使各国陷入严重的卫生和经济问题。其中最重要的是正确识别感染Covid-19的人。支持逆转录聚合酶链反应(RT-PCR)检测的方法和途径已经开始出现在文献中。在这项研究中,由于covid - 19攻击了呼吸系统,因此使用了可以轻松快速访问的胸部x射线图像。利用残差网络(ResNet-50)(一种卷积神经网络模型)从这些图像中提取的特征,获得了支持向量机的分类性能。采用5倍交叉验证方法,支持向量机二次型检测新冠肺炎的灵敏度最高,为96.35%,支持向量机二次型和支持向量机三次型检测的综合性能值均在99%以上。根据这些高结果,人们认为这种已经研究过的方法将有助于放射学专家并降低误检率。
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引用次数: 17
Magnetic levitation-based adipose tissue engineering using horizontal magnet deployment 基于磁悬浮的脂肪组织工程水平磁铁部署
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299312
Oyku Sarigil, Muge Anil-Inevi, Esra Yılmaz, Ozge S Ozcelik, Gulistan Mese, H. Tekin, E. Ozcivici
Magnetic levitation is a promising technique for tissue engineering with contact- and label-free approach. Levitation-based biofabrication systems emerge as a simple, rapid and versatile alternative to traditional tissue culture systems, since biofabrication specs can easily be tailored via magnet shape and configuration. This study aims at possible magnetic levitation systems for culture of adipose tissue cells. In this study, we performed two different magnet configurations, vertical and horizontal deployment, in an effort to be utilized in adipose tissue engineering.
磁悬浮技术是一种很有前途的组织工程技术,具有无接触和无标记的特点。基于悬浮的生物制造系统是传统组织培养系统的一种简单、快速和通用的替代方案,因为生物制造规格可以通过磁铁的形状和配置轻松定制。本研究的目的是为脂肪组织细胞的培养提供可能的磁悬浮系统。在这项研究中,我们进行了两种不同的磁铁配置,垂直和水平部署,以努力在脂肪组织工程中使用。
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引用次数: 0
A Machine Learning-Based Approach to Detect Survival of Heart Failure Patients 一种基于机器学习的心力衰竭患者生存率检测方法
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299320
Ç. Erdaş, Didem Ölçer
One of the diseases with high prevalence among the consequences of cardiovascular diseases is heart failure. Heart failure is a condition in which the muscles in the heart wall become faded and dilated, limiting the heart’s ability to pump blood. As time passes, the heart cannot meet the proper blood requirement in the body, and as a result, the person has difficulty breathing. As the human age increases, the incidence of heart failure gradually increases, and the rate of mortality due to heart failure also increases. In this context, close monitoring of people suffering from this disease will significantly increase the survival rate. In this study, a machine learning-based system is proposed to predict the mortality-survival status of patients with heart failure. Thus, by identifying people with mortality risk, the survival probability of the patients may increase with more effective and close follow-up.
心衰是心血管疾病中发病率较高的疾病之一。心力衰竭是指心脏壁的肌肉褪色和扩张,限制了心脏泵血的能力。随着时间的推移,心脏不能满足身体正常的血液需求,结果,人就会呼吸困难。随着人类年龄的增长,心力衰竭的发病率逐渐增加,心力衰竭的死亡率也随之增加。在这种情况下,密切监测患有这种疾病的人将大大提高生存率。在这项研究中,提出了一个基于机器学习的系统来预测心力衰竭患者的死亡率-生存状态。因此,通过识别有死亡风险的人群,通过更有效和密切的随访,患者的生存概率可能会增加。
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引用次数: 4
TIPTEKNO 2020 Index
Pub Date : 2020-11-19 DOI: 10.1109/tiptekno50054.2020.9299247
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引用次数: 0
Detection of Cardiac Arrhythmia using Autonomic Nervous System, Gaussian Mixture Model and Artificial Neural Network 应用自主神经系统、高斯混合模型和人工神经网络检测心律失常
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299274
M. B. Terzi, V. Arikan
In this study, a new technique which detects anomalies in skin sympathetic nerve activity (SKNA) by using state-of-the-art signal processing and machine learning methods is developed to perform the robust detection of cardiac arrhythmia (CA). For this purpose, a signal processing technique that simultaneously obtains SKNA and ECG from wideband recordings on MIT-BIH database is developed. By using preprocessed data, a novel feature extraction technique which obtains SKNA features that are critical for the reliable detection of CA is developed. By using extracted features, a supervised learning technique based on artificial neural network (ANN) and an unsupervised learning technique based on Gaussian mixture model (GMM) are developed to perform the robust detection of SKNA anomalies. A Neyman-Pearson type of approach is developed to perform the robust detection of outliers that correspond to CA. The performance results of the proposed technique over MIT-BIH database showed that the technique provides highly reliable detection of CA by performing the robust detection of SKNA anomalies. Therefore, in cases where the diagnostic information of ECG is not sufficient for the reliable diagnosis of CA, the proposed technique can provide early diagnosis of the disease, which can lead to a significant reduction in the mortality rates of cardiovascular diseases.
在这项研究中,开发了一种新技术,通过使用最先进的信号处理和机器学习方法来检测皮肤交感神经活动(SKNA)的异常,以执行心律失常(CA)的鲁棒检测。为此,开发了一种从MIT-BIH数据库的宽带记录中同时获得SKNA和ECG的信号处理技术。通过对数据进行预处理,提出了一种新的特征提取技术,该技术可以获得对CA的可靠检测至关重要的SKNA特征。利用提取的特征,提出了基于人工神经网络(ANN)的监督学习技术和基于高斯混合模型(GMM)的无监督学习技术,实现了对SKNA异常的鲁棒检测。开发了一种内曼-皮尔逊类型的方法来执行与CA对应的异常值的鲁棒检测。在麻省理工学院- bih数据库上提出的技术的性能结果表明,该技术通过执行SKNA异常的鲁棒检测,提供了高度可靠的CA检测。因此,在ECG诊断信息不足以对CA进行可靠诊断的情况下,该技术可以提供疾病的早期诊断,从而显著降低心血管疾病的死亡率。
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引用次数: 0
Determination of Optimum Concentration of NGR Peptide With Anticancer Effect On Breast Cancer Microtissue 抗乳腺癌微组织NGR肽最佳浓度的确定
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299303
Ziyşan Buse Yarali Çevіk, Başak Olcay, O. Karaman
Breast cancer is a fatal disease, and it is one of the most common cancer types among women in the world. The traditional monolayer methods are used to treat diseases. However, the method is limited in terms of the cell to cell communication and responses of cells to drugs. One of the main goals of cancer treatments is to prevent tumor metastasis and prevent diffusion in various areas of the body, thereby it is needed to increase the effectiveness of the treatments and reduce side effects. Peptides can be used in cancer treatment. Most peptide studies are performed in monolayer culture. These cultures can not accurately represent the complex intercellular and intracellular environment in clinical studies. Peptide studies must be performed in scaffold-free conditions to mimic the natural responses of cells. The study has been performed as scaffold-free microtissues with different NGR peptide concentrations. Results have been evaluated in terms of diameters, and viability of microtissues. It is concluded that 2 mM NGR is the most effective concentration in MCF-7 microtissue treatment.
乳腺癌是一种致命的疾病,是世界上女性中最常见的癌症类型之一。传统的单层方法用于治疗疾病。然而,该方法在细胞间通讯和细胞对药物的反应方面受到限制。癌症治疗的主要目标之一是防止肿瘤转移和扩散到身体的各个部位,因此需要提高治疗的有效性和减少副作用。多肽可用于癌症治疗。大多数肽研究都是在单层培养中进行的。在临床研究中,这些培养不能准确地代表复杂的细胞间和细胞内环境。肽研究必须在无支架的条件下进行,以模拟细胞的自然反应。该研究是在不同NGR肽浓度的无支架微组织中进行的。结果已经在直径方面进行了评估,以及微组织的活力。结果表明,2 mM NGR是MCF-7微组织处理的最有效浓度。
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引用次数: 0
A Preliminary Study on Cell Motility Analysis from Phase-Contrast Microscopy Image Series 从相衬显微镜图像序列分析细胞运动的初步研究
Pub Date : 2020-11-19 DOI: 10.1109/TIPTEKNO50054.2020.9299319
Emre Kayan, ve Tarık Kavuşan, Sevgi Önal, D. P. Okvur, ve Özden Y. Özuysal, B. U. Töreyin, D. Ünay
Analyses of morphology, polarity, and motility of cells is important for cell biology research such as metastatic and invasive capacity of cells, wound healing, and embryonic development. Automation of such analyses using image series of phase-contrast optical microscopy, which allows label-free imaging of live cells in their living environment, is a need. With this purpose, in this study image series of a cell motility experiment is manually annotated, and an automation algorithm realizing motion and shape analyses of cells using the annotated data is developed. In addition, due to the low number of annotated data at hand, a U-Net based solution is devised for automated segmentation of the cells and its performance is evaluated.
细胞形态学、极性和运动性的分析对于细胞生物学的研究非常重要,如细胞的转移和侵袭能力、伤口愈合和胚胎发育。需要使用相衬光学显微镜的图像系列来实现这种分析的自动化,它允许在其生活环境中对活细胞进行无标签成像。为此,本研究对细胞运动实验图像序列进行了手工标注,并开发了一种利用标注数据实现细胞运动和形状分析的自动化算法。此外,由于手头注释数据数量较少,设计了一种基于U-Net的细胞自动分割解决方案,并对其性能进行了评估。
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引用次数: 0
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2020 Medical Technologies Congress (TIPTEKNO)
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