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2021 IEEE 19th World Symposium on Applied Machine Intelligence and Informatics (SAMI)最新文献

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Segmentation of Brain Tissues from Infant MRI Records Using Machine Learning Techniques 使用机器学习技术从婴儿MRI记录中分割脑组织
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378653
Béla Surányi, L. Kovács, L. Szilágyi
The automatic segmentation of medical images is an intensely investigated problem, due to the quick rise of medical image data amount created day by day, which cannot be followed by the number of human experts. This paper searches for the most suitable classical machine learning method to be employed in the segmentation of various tissue types from volumetric multi-spectral MRI records of 6-month infant patients. Model training and model based prediction is performed using the 10 records of the train data set available at the iSeg-2017 challenge. All MRI records are treated with histogram normalization and feature generation, and then fed to six machine learning methods, which use them as train and test data according to the leave-one-out technique. The output of the classification algorithms is evaluated with statistical methods. The best segmentation accuracy is achieved by the random forest based approach, with a correct decision rate of 83.4%.
医学图像的自动分割是一个备受关注的问题,因为医学图像数据量日益增长,而人类专家的数量却跟不上。本文寻找最合适的经典机器学习方法,用于从6个月婴儿的体积多谱MRI记录中分割各种组织类型。模型训练和基于模型的预测是使用iSeg-2017挑战赛中可用的火车数据集的10条记录进行的。对所有MRI记录进行直方图归一化和特征生成处理,然后输入到六种机器学习方法中,机器学习方法根据“留一”技术将其作为训练和测试数据。用统计方法对分类算法的输出结果进行了评价。基于随机森林方法的分割准确率最高,正确率为83.4%。
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引用次数: 3
Clothoid-based Trajectory Following Approach for Self-driving vehicles 基于clothoid的自动驾驶车辆轨迹跟踪方法
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378664
Ernő Horváth, C. Pozna
Lately self-driving navigation and control have obtained significant attention in many fields, such as mobile robotics or autonomous driving. Although sensing, perception, planning and following subtasks associated with autonomous vehicles persist with open challenges. In this paper the autonomous following subtask is targeted. The paper proposes trajectory following approach which is designed for self-driving vehicles.
近年来,自动驾驶导航和控制在移动机器人或自动驾驶等许多领域得到了广泛关注。尽管与自动驾驶汽车相关的传感、感知、规划和跟踪子任务仍然存在公开的挑战。本文以自主跟踪子任务为研究对象。本文提出了一种针对自动驾驶车辆的轨迹跟踪方法。
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引用次数: 1
Occlusion Handling in Generic Object Detection: A Review 一般目标检测中的遮挡处理:综述
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378657
Kaziwa Saleh, S. Szénási, Z. Vámossy
The significant power of deep learning networks has led to enormous development in object detection. Over the last few years, object detector frameworks have achieved tremendous success in both accuracy and efficiency. However, their ability is far from that of human beings due to several factors, occlusion being one of them. Since occlusion can happen in various locations, scale, and ratio, it is very difficult to handle. In this paper, we address the challenges in occlusion handling in generic object detection in both outdoor and indoor scenes, then we refer to the recent works that have been carried out to overcome these challenges. Finally, we discuss some possible future directions of research.
深度学习网络的强大功能导致了目标检测的巨大发展。在过去的几年中,目标检测器框架在准确性和效率方面都取得了巨大的成功。然而,由于一些因素,它们的能力与人类相差甚远,闭塞是其中之一。由于遮挡可以发生在不同的位置、比例和比例,所以很难处理。在本文中,我们解决了在室外和室内场景中通用目标检测中遮挡处理的挑战,然后我们参考了最近为克服这些挑战而进行的工作。最后,讨论了未来可能的研究方向。
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引用次数: 22
Hybrid Object Detection Using Domain-Specific Datasets 使用领域特定数据集的混合目标检测
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378630
Martin Stancel, B. Madoš, M. Chovanec, P. Baláž
This paper describes a combination of color determination and object detection. It describes the creation of a hybrid system that would increase production and streamline the process of crop harvesting. The system aims to delineate all potential crops by determining color. If the potential crops are of the sufficient size then object detection is performed using YOLO technology which determines the confidence of strawberry prediction. The main part is the analysis and the implementation of this hybrid system in Python. The last part of the paper is devoted to the evaluation and verification of the created system.
本文介绍了一种颜色确定与目标检测相结合的方法。它描述了一种混合系统的创建,该系统将增加产量并简化作物收获过程。该系统旨在通过确定颜色来描绘所有潜在的作物。如果潜在的作物有足够的大小,那么使用YOLO技术进行目标检测,这决定了草莓预测的置信度。主要部分是对该混合系统在Python中的分析和实现。论文的最后一部分对所创建的系统进行了评估和验证。
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引用次数: 1
Supervised Operational Change Point Detection using Ensemble Long-Short Term Memory in a Multicomponent Industrial System 基于集成长短期记忆的多组件工业系统监督操作变化点检测
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378683
Ashit Gupta, V. Masampally, Vishal Jadhav, A. Deodhar, V. Runkana
Changes in operating conditions, environment, and deterioration of structural health of components over time leads to unplanned outages in industrial equipment. A multicomponent industrial system may fail when one or more of its components deteriorate beyond a certain limit. The deterioration is often a gradual and continuous process, culminating in sudden failure of an equipment. However, the components in a system may show some early signs of deterioration that might not be explicitly apparent even to domain experts. Therefore, advanced algorithms are required for early detection of these signatures of failure to enable corrective actions in time. A set of algorithms is presented here to detect signatures of failure from the continuous sensor data in a multicomponent system. Each system consists of four identical components, each with a different timing of failure. A set of Long Short-Term Memory (LSTM) based algorithms are employed to identify the onset of abnormal behavior. An ensemble framework, which minimizes the frequency of false and missed alarms is proposed and its performance is compared with other stand-alone algorithms. An ensemble approach on top of a set of LSTM-based models performed better than the individual algorithms.
随着时间的推移,操作条件、环境的变化以及部件结构健康状况的恶化会导致工业设备的计划外停机。当一个或多个组件退化超过一定限度时,多组件工业系统可能会失效。这种恶化通常是一个渐进和持续的过程,最终导致设备突然失效。然而,系统中的组件可能会显示出一些甚至对领域专家来说也不明显的恶化的早期迹象。因此,需要先进的算法来早期发现这些故障特征,以便及时采取纠正措施。本文提出了一套从多部件系统的连续传感器数据中检测故障特征的算法。每个系统由四个相同的组件组成,每个组件都有不同的故障时间。采用一套基于长短期记忆(LSTM)的算法来识别异常行为的发生。提出了一种能最大限度降低误报和漏报频率的集成框架,并将其性能与其他独立算法进行了比较。在一组基于lstm的模型之上的集成方法比单独的算法表现得更好。
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引用次数: 4
Software Modernization Using Machine Learning Techniques 使用机器学习技术实现软件现代化
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378659
Norbert Somogyi, Gábor Kövesdán
As software engineering techniques and practices continuously evolve, programs created with an older technology stack become harder and more costly to maintain. These software are often referred to as legacy code. Naturally, the need arises to make use of the newer and more effective technologies, making the legacy code easier to maintain and operate. However, companies rarely allocate the necessary resources to manually re-implement these systems as that would be highly time-consuming and extremely costly to spend exclusively for maintenance purposes. Thus, various code modernization approaches have been proposed and tools have been created to reduce the cost of re-implementation by semi-automatically translating legacy systems into a modern, more advantageous environment. However, the source and target languages may be so different in nature that making the generated code feel as natural as possible is often difficult. These linguistic differences frequently impose the emulation of certain features between the two languages, which may prove too difficult to automatically handle using conventional static analysis of the source code. To this end, in this paper we propose the novel method of using machine learning techniques to teach the transformer on how to effectively handle cases that would otherwise be very error-prone in practice. This way, the transformation tool can achieve both a high level of automation and the ability to generate precise, error free code.
随着软件工程技术和实践的不断发展,使用旧技术栈创建的程序变得更加困难,维护成本也更高。这些软件通常被称为遗留代码。自然,需要使用更新和更有效的技术,使遗留代码更容易维护和操作。然而,公司很少分配必要的资源来手动重新实现这些系统,因为仅用于维护目的将非常耗时且成本极高。因此,已经提出了各种代码现代化方法,并创建了工具,通过半自动地将遗留系统转换为现代的、更有利的环境来减少重新实现的成本。然而,源语言和目标语言在本质上可能如此不同,以至于使生成的代码看起来尽可能自然通常是困难的。这些语言差异经常迫使两种语言之间的某些特性进行模拟,而事实可能证明,使用传统的源代码静态分析来自动处理这些特性过于困难。为此,在本文中,我们提出了一种使用机器学习技术来教变压器如何有效地处理在实践中非常容易出错的情况的新方法。这样,转换工具既可以实现高水平的自动化,又可以生成精确的、无错误的代码。
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引用次数: 1
Fake news detection in Slovak language using deep learning techniques 使用深度学习技术的斯洛伐克语假新闻检测
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378650
Klaudia Ivancová, M. Sarnovský, Viera Maslej-Krcšñáková
In recent years, the spreading of fake news presents a serious issue in the online environment. Automatic methods able to identify them from the text are being massively explored and deployed on social platforms and online media. Such detection methods are based on a combination of natural language processing and machine learning techniques. Deep learning became a very popular choice in many text processing tasks, fake news detection included. Numerous studies apply the advanced deep learning models to detect fake news and related phenomena from the English text. This paper focuses on the detection of fake news from the news articles written in the Slovak language. To successfully train deep learning models, we created a labelled dataset consisting of the political news articles published by online news portals as well as suspicious conspiratory portals. We trained two architectures, CNN and LSTM neural networks using this data. The performance of the models was experimentally evaluated using standard classification metrics.
近年来,假新闻的传播在网络环境中成为一个严重的问题。能够从文本中识别它们的自动方法正在被大量探索和部署在社交平台和在线媒体上。这种检测方法是基于自然语言处理和机器学习技术的结合。深度学习成为许多文本处理任务中非常流行的选择,包括假新闻检测。许多研究应用先进的深度学习模型从英语文本中检测假新闻和相关现象。本文的重点是从用斯洛伐克语写的新闻文章中检测假新闻。为了成功训练深度学习模型,我们创建了一个标记数据集,该数据集由在线新闻门户网站发布的政治新闻文章以及可疑的阴谋门户网站组成。我们使用这些数据训练了CNN和LSTM神经网络两种体系结构。使用标准分类指标对模型的性能进行了实验评估。
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引用次数: 7
Production, additive printing and mechanical testing of PLA/PHB material with different concentrations of TAC emollient 不同浓度TAC润色剂PLA/PHB材料的生产、增材印刷及力学性能测试
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378661
T. Bálint, A. Balogová, R. Hudák, J. Živčák, M. Schnitzer, J. Feranc
In order to carry out mechanical testing of samples printed by using additive technology, it is necessary to specify the parameters of the production of filaments, the parameters of 3D printing and the parameters of mechanical testing. In this article, I will discuss the production of filaments, additive technology for printing samples from PLA/PHB material used for detailed mechanical tests and subsequently for evaluation of these mechanical tests. The real-world application of PLA/PHB products bring great benefits. The aim of this paper is to perform mechanical tests on extruded PLA/PHB samples with three different TAC solvent concentrations. Samples were printed using additive technology. The comparison of the results of the pressure and tensile testing carried out on the apparatus also contributed to the success of the research.
为了对使用增材技术打印的样品进行力学测试,需要明确细丝的生产参数、3D打印参数和力学测试参数。在本文中,我将讨论长丝的生产,PLA/PHB材料打印样品的添加剂技术,用于详细的机械测试以及随后对这些机械测试的评估。PLA/PHB产品的实际应用带来了巨大的效益。本文的目的是在三种不同的TAC溶剂浓度下对挤压的PLA/PHB样品进行力学测试。样品采用增材打印技术进行打印。在该装置上进行的压力和拉伸试验结果的比较也有助于研究的成功。
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引用次数: 0
Two-Stage Sequence Model for Maximum Throughput in Cluster Tools 集群工具中最大吞吐量的两阶段序列模型
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378660
Taehee Jeong, Kunj J. Parikh, Raymond Chau, C. Huang, H. Chan, Hyeran Jeon
Cluster tool is a core manufacturing system in semiconductor industry. Optimizing the schedule of operations of a cluster tool is important because it is directly connected with its productivity. The scheduling becomes more complicated as the number of operating steps increases. There have been extensive studies to model the cluster tool operations and predict its throughput for a given configuration. However, the theoretical models cannot reflect realtime issues and the state-of-the-art throughput models are hard to be applied to predict scheduling parameters. In this work, we characterize the unique behavioral pattern of a key scheduling parameter towards the cluster tool throughput, and propose a novel deep-learning model that effectively identifies the best scheduling parameters. A two-stage model is designed that consists of an one-dimensional convolution neural network and a semantic segmentation network. Our experimental results show that the proposed model shows a superial accuracy than the state-of-the-art DNN solution for the best scheduling parameter detection.
集群工具是半导体行业的核心制造系统。优化集群工具的操作计划非常重要,因为它直接关系到集群工具的生产力。随着操作步骤的增加,调度变得更加复杂。已经有大量的研究对集群工具操作进行建模,并预测给定配置下的吞吐量。然而,理论模型不能反映实时问题,最先进的吞吐量模型难以应用于调度参数的预测。在这项工作中,我们描述了关键调度参数对集群工具吞吐量的独特行为模式,并提出了一种新的深度学习模型,可以有效地识别最佳调度参数。设计了一个由一维卷积神经网络和语义分割网络组成的两阶段模型。我们的实验结果表明,所提出的模型在最佳调度参数检测方面比最先进的深度神经网络解决方案具有更高的精度。
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引用次数: 1
A Portable BVM-based Emergency Mechanical Ventilator 一种便携式bvm应急机械呼吸机
Pub Date : 2021-01-21 DOI: 10.1109/SAMI50585.2021.9378620
J. Živčák, M. Kelemen, Ivan Virgala, Peter Marcinko, P. Tuleja, Marek Sukop, E. Prada, Martin Varga, J. Ligus, Filip Filakovský
The paper deals with development of an artificial lung ventilation. The aim of the paper is to present developed ventilator based on bag-valve-mask, which could be used as alternative to mechanical ventilator in critical situations related to COVID-19. At first, we present basic principles of positive pressure ventilation. Subsequently, we introduce a requirements to emergency mechanical ventilator in order to be suitable alternative in hospitals as well as in households. The mechanical and control design are presented in the next section. Finally, we experimentally verify developed ventilator with focus on measured pressure of patient airways. The presented results show a potential of developed ventilator to be used at practical level.
本文论述了人工肺通气的发展。本文的目的是在新型冠状病毒感染症(COVID-19)相关的危急情况下,提出一种基于袋阀面罩的新型呼吸机替代机械呼吸机。首先,我们介绍了正压通风的基本原理。随后,我们提出了紧急机械呼吸机的要求,以便在医院和家庭中成为合适的替代品。机械和控制设计将在下一节中介绍。最后,我们通过实验验证了所开发的呼吸机,重点是测量患者气道的压力。结果表明,所研制的通风机具有实际应用的潜力。
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引用次数: 2
期刊
2021 IEEE 19th World Symposium on Applied Machine Intelligence and Informatics (SAMI)
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