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Detecting light pollution with UAV, a Hungarian case study 用无人机检测光污染,匈牙利案例研究
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029545
Andrea Pődör, Gergely Huszar
The study aims to support the idea that nonprofessional equipment can produce suitable images for detecting light pollution on a large scale. The authors in their study used a hobby UAV for producing the nighttime airborne image, and also measured brightness with SQM-L equipment in a pilot area in Budapest. In the study area, different lamp types were detected to produce light pollution to a different degree. Based on the field measurement we produced a graphical representation of the light pollution of the different lamp types. After processing the airborne images, we produced the brightness index map of the study area, which can be used to represent spatial variations in pollution. The results showed that when interpreting the results we should be careful, as certain phenomena are not related to light pollution.
该研究旨在支持非专业设备可以产生适合大规模检测光污染的图像的想法。在他们的研究中,作者使用业余无人机制作夜间机载图像,并在布达佩斯的一个试点地区使用SQM-L设备测量亮度。在研究区,不同类型的灯产生不同程度的光污染。在现场测量的基础上,我们制作了不同类型的灯的光污染的图形表示。在对航空影像进行处理后,生成了研究区域的亮度指数图,该地图可用于表征污染的空间变化。结果表明,在解释结果时我们应该小心,因为某些现象与光污染无关。
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引用次数: 1
Integrated Autonomous Model System as Research Media 集成自治模型系统作为研究媒介
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029408
L. Horváth
This paper introduces concept and method of Integrated Autonomous Model System (IAMS) which is developed as organized content in dedicated collaborative virtual space (CVS).IAMS is a recent result and at the same time a possible answer to new requests by engineering related research. Development of IAMS in CVS uses capabilities offered by Modeling Sotware Platform (MSP). IAMS is devoted as model system which is capable of system, situation, behavior, and context representation. In its application proposed in this paper, IAMS is a purposeful experimental model serving research and represents results in applied informatics and applied mathematics in model environment suitable for development, validation, and experimental application of results. Research using IAMS is planned in the organization of a Virtual Research Laboratory (VRL). In this paper, first the relevant elements of recently modified concept of VRL are briefed to introduce contributions in this paper. Following this, IAMS is characterized as integrated media of research. Next, definition of global research organization in CVS using cloud organized services by research purpose configured MSP in the VRL is explained. Finally, PhD research program in functional organic shape modeling as means for the representation of living organizations in close connection with modeling of engineering shapes is introduced as example for key areas in future research at VRL.
本文介绍了集成自治模型系统(IAMS)的概念和方法,该系统是在专用协同虚拟空间(CVS)中作为有组织的内容开发的。IAMS是一项最新成果,同时也是对工程相关研究新要求的一种可能的回答。在CVS中开发IAMS使用建模软件平台(MSP)提供的功能。IAMS是一个具有系统表示、情景表示、行为表示和上下文表示能力的模型系统。在本文提出的应用中,IAMS是一个服务于研究的有目的的实验模型,在适合结果开发、验证和实验应用的模型环境中代表应用信息学和应用数学的成果。在虚拟研究实验室(VRL)的组织中计划使用IAMS进行研究。本文首先简要介绍了VRL概念最新修订的相关内容,介绍了本文的贡献。在此之后,IAMS的特点是研究的综合媒体。接下来,通过VRL中配置的研究目的MSP,解释了CVS中使用云组织服务的全球研究组织的定义。最后,介绍了与工程形状建模密切相关的功能性有机形状建模作为活体组织表征手段的博士研究项目,作为VRL未来研究的重点领域。
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引用次数: 2
Real-time multi-user 3D visualization software in medicine 医学实时多用户三维可视化软件
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029449
Miklós Vincze, M. Kucarov, Bence Biricz, Abdallah Benhamida, Melvin Ogbolu, M. Kozlovszky, V. Jonas, Róbert Paulik
Nowadays, the flow of information is paramount in order for everyone to have the knowledge they need to make decisions as soon as possible. It is no different in digital pathology either. There is still research and development today to make relevant medical information available to right holders as soon as possible. One possible direction of development is the use of real-time multi-user software. With these programs, users are able to collaborate in real time from around the world, set up a diagnosis together, and share it with others. By using this type of software, users can make decisions together by receiving the same data. These data can be, among other things, various measurement data, image data, morphological data. Implementing this software is difficult in several ways, such as processing huge amounts of data and ensuring smooth operation for multiple users. Some possible uses in the future include online medical training, preparation for and consultation on surgeries. In this paper, we present similar software solutions currently available on the market and under development, as well as our team’s solution to the problem described.
如今,信息的流动是至关重要的,为了让每个人都有他们需要的知识,尽快做出决定。这在数字病理学上也没有什么不同。目前仍在进行研究和开发,以便尽快向权利人提供相关的医疗信息。一个可能的发展方向是使用实时多用户软件。通过这些程序,用户可以在世界各地进行实时协作,共同建立诊断,并与他人分享。通过使用这种类型的软件,用户可以通过接收相同的数据来共同做出决策。这些数据可以是各种测量数据、图像数据、形态数据等。实现这个软件有几个方面的困难,例如处理大量的数据和确保多个用户的平稳运行。未来可能的用途包括在线医疗培训、手术准备和咨询。在本文中,我们展示了目前市场上可用的和正在开发的类似软件解决方案,以及我们团队对所描述问题的解决方案。
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引用次数: 1
Scalar attributes and time series combining patterns for multivariate time series classification 标量属性与时间序列相结合的多变量时间序列分类模式
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029501
György Fekete, Habil. Andras Molnar
In this paper, we propose new patterns which combine attribute and time series data for classifications to soften or solve the overlapping classes problem. The solution was created for medical human gait analysis, where both types of input data are available.
本文提出了一种结合属性数据和时间序列数据进行分类的新模式,以缓解或解决类重叠问题。该解决方案是为医学人类步态分析而创建的,其中两种类型的输入数据都是可用的。
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引用次数: 0
Bodymodel testing for biomechanical motion studies - Pilot Study 生物力学运动研究的人体模型试验。初步研究
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029557
A. Lantzky, D. Joo
In this study, the measurement accuracy of the Optitrack Mocap system biomechanical test models was tested. For testing, several marker arrays were used: These were the factory installed Baseline, Rizzoli and Helen Hayes. The results obtained were statistically compared. Our aim was to find similarities and differences between the different models.
本研究对Optitrack Mocap系统生物力学测试模型的测量精度进行了测试。为了进行测试,使用了几种标记阵列:这些是工厂安装的Baseline, Rizzoli和Helen Hayes。所得结果进行统计学比较。我们的目的是找出不同模型之间的异同。
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引用次数: 0
Validation of a two-wheel vehicle model using Genetic Algorithm 基于遗传算法的两轮车辆模型验证
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029560
A. Widner, Balázs Varga, Daniel Medgyesi, T. Tettamanti
Vehicle dynamics simulation is widely used in the automotive industry. The usability of each model depends on how well it can replicate the behaviour of the real vehicle. Each simulation model must go through a thorough investigation process- model validation- before use. Accordingly, the research introduces a comprehensive methodological framework for vehicle dynamics model validation using a sophisticated vehicle dynamics measurement system and a machine learning algorithm. The validation process of a two-wheel vehicle model (bicycle model) is presented where the authors’ previously proposed work is exploited as a base and further developed, i.e. by using a Genetic Algorithm (GA) the vehicle parameters (yaw inertia, axle cornering stiffness) are estimated in an automatized fashion.
汽车动力学仿真在汽车工业中有着广泛的应用。每个模型的可用性取决于它能在多大程度上复制真实车辆的行为。每个模拟模型在使用前必须经过彻底的调查过程-模型验证。因此,本研究采用复杂的车辆动力学测量系统和机器学习算法,为车辆动力学模型验证提供了一个全面的方法框架。介绍了两轮车辆模型(自行车模型)的验证过程,其中作者先前提出的工作作为基础并进一步发展,即通过使用遗传算法(GA)以自动化方式估计车辆参数(偏航惯性,轴转弯刚度)。
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引用次数: 1
Modeling Cerebro-Vascular Autoregulation after Postural Change Perturbations : Plenary Talk 姿态变化扰动后脑血管自动调节的建模:全体会议
Pub Date : 2022-11-21 DOI: 10.1109/cinti-macro57952.2022.10029607
A. DeGaetano
Mathematical models of the cardiovascular system and of cerebral autoregulation (CAR) have been employed for several years in order to describe the time course of pressures and flows changes subsequent to postural changes. The assessment of the degree of efficiency of cerebral auto regulation has indeed importance in the prognosis of such conditions as cerebro-vascular accidents or Alzheimer. In the quest for a simple but realistic mathematical description of cardiovascular control, which may be fitted onto non-invasive experimental observations after postural changes, the present work proposes a first version of an empirical Stochastic Delay Differential Equations (SDDEs) model. The model consists of a total of four SDDEs and two ancillary algebraic equations, incorporates four distinct delayed controls from the brain onto different components of the circulation, and is able to accurately capture the time course of mean arterial pressure and cerebral blood flow velocity signals, reproducing observed auto-correlated error around the expected drift.
心血管系统和大脑自动调节(CAR)的数学模型已经被应用了好几年,以描述体位变化后压力和流量变化的时间过程。评估脑自动调节的效率程度对脑血管意外或阿尔茨海默病等疾病的预后确实具有重要意义。为了寻求一种简单而现实的心血管控制的数学描述,这可能适用于姿势变化后的非侵入性实验观察,本研究提出了经验随机延迟微分方程(SDDEs)模型的第一个版本。该模型由四个SDDEs和两个辅助代数方程组成,将大脑对循环不同组成部分的四种不同延迟控制结合起来,能够准确捕获平均动脉压和脑血流速度信号的时间过程,再现在预期漂移周围观察到的自相关误差。
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引用次数: 0
Knowledge Retrieval and Relation Mining from Tolkien’s History of Middle Earth 托尔金《中土世界史》的知识检索与关系挖掘
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029506
Anastasia Yashchenko, Ilya Makarov
In this paper, we focus on the problem of automatic analysis of literature via its characters’ interaction networks. We demonstrate the ability of the well-known knowledge retrieval algorithms on the text series of books by John Ronald Reuel Tolkien about Middle-earth. We study the identified relationships of characters, visualizing the results using the network science approaches via introducing the general pipeline for named entities recognition, relation retrieval, and analysis of their clustering via racial division by using the Adjusted Rand Index.
本文主要研究通过人物互动网络对文学进行自动分析的问题。我们在约翰·罗纳德·鲁尔·托尔金关于中土世界的文本系列书籍上展示了众所周知的知识检索算法的能力。我们研究了字符的识别关系,通过引入命名实体识别、关系检索的通用管道,并使用调整后的兰德指数(Adjusted Rand Index)通过种族划分分析它们的聚类,使用网络科学方法将结果可视化。
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引用次数: 0
Recycled PET nanofiber membranes for air filtration 用于空气过滤的再生PET纳米纤维膜
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029511
A. Gergely, R. Farmos, J. Kántor, Andrea Eva Kantor, Norbert Hodagyi
This work aims to investigate the air filtration performance of nanofiber mats generated from recycled PET water bottle by the electrospinning fiber production method. The trifluoroacetic acid amount was minimized to prepare the PET solution that can be used in a stable electrospinning process. The electrospinning parameters were optimized and bead free PET fiber mat was produced with an average fiber diameter of 593 ± 182 nm and average thickness of 208 ± 41 $mu$m. A pneumatic test circuit was developed to test the filtration performance. The recycled PET fiber mats were able to effectively filter out the visible particles from cigarette smoke, however, was unable to filter out the molecules responsible for the smell.
本文旨在研究静电纺丝法制备PET回收水瓶纳米纤维垫的空气过滤性能。通过减少三氟乙酸的用量,制备出稳定的静电纺丝PET溶液。对静电纺丝工艺参数进行了优化,得到了平均纤维直径为593±182 nm、平均纤维厚度为208±41 μ m的无珠PET纤维垫。开发了气动测试回路,对过滤性能进行了测试。回收的PET纤维垫能够有效地过滤掉香烟烟雾中的可见颗粒,但无法过滤掉产生气味的分子。
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引用次数: 0
Inertial sensor-based movement classification with dimension reduction based on feature aggregation 基于特征聚合的惯性传感器降维运动分类
Pub Date : 2022-11-21 DOI: 10.1109/CINTI-MACRo57952.2022.10029519
Peter Sarcevic, J. Sárosi, Dominik Csík, Á. Odry
In this paper, a novel feature aggregation method is proposed for dimension reduction in inertial sensor-based pattern recognition applications. The method is utilized in a movement classification algorithm, which applies measurements of wearable sensor units attached to the wrists of the subjects. The feature aggregation is realized separately for each feature type by using a linear combination of the feature values extracted for each sensor axis. The weights are computed using genetic algorithm-based optimization, which uses the classification efficiency provided by the k-nearest neighbor (kNN) method to compute the fitness value. After the weights are determined for all feature types and the aggregated inputs are computed for both the training and validation data, a multi-layer perceptron (MLP) classifier is trained, which can be used during real-time classification. The algorithm was tested with multiple datasets based on features extracted using different processing window sizes and used sensor combinations. The achieved results show that the proposed weighted aggregation provides significantly, mostly 5-6%, higher recognition rates on validation data than when equal coefficients are utilized during aggregation. The method in the case of some datasets with the same configuration gives even higher classification efficiencies than when using the features extracted for the sensor axes separately.
针对惯性传感器模式识别中的降维问题,提出了一种新的特征聚合方法。该方法用于运动分类算法,该算法应用连接到受试者手腕的可穿戴传感器单元的测量。通过对每个传感器轴提取的特征值进行线性组合,分别实现对每种特征类型的特征聚合。权重计算采用基于遗传算法的优化方法,利用k近邻(kNN)方法提供的分类效率来计算适应度值。在确定所有特征类型的权重并计算训练和验证数据的聚合输入后,训练出多层感知器(MLP)分类器,该分类器可用于实时分类。基于不同处理窗口大小和使用的传感器组合提取的特征,在多个数据集上对算法进行了测试。实验结果表明,采用加权聚合方法对验证数据的识别率显著提高,约为5-6%。在一些具有相同配置的数据集的情况下,该方法比单独使用为传感器轴提取的特征时具有更高的分类效率。
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引用次数: 0
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