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2019 International Conference on Computational Science and Computational Intelligence (CSCI)最新文献

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Recognition of Drone Formation Intentions Using Supervised Machine Learning 使用监督机器学习识别无人机编队意图
Ahmad Traboulsi, M. Barbeau
Drones are becoming a major element in defense applications, geographic surveillance, delivery of packages and their uses are expanding. Drone activity detection and identification have become an important research subject. An even more challenging problem is recognizing the intentions of a group of drones. Their intention may not be obvious, which might impose a security threat in several instances. Recognizing the targeted plan of a group of drones is the subject of study in this paper. We focus on identifying the formation a group of drones is trying to achieve. We predict the formation during the transition phase from one formation to another using softmax regression. We test several feature vector designs and present our results
无人机正在成为国防应用、地理监视、包裹递送等领域的重要组成部分,其用途正在扩大。无人机活动检测与识别已成为一个重要的研究课题。一个更具挑战性的问题是识别一组无人机的意图。他们的意图可能并不明显,这可能在一些情况下造成安全威胁。识别一组无人机的目标计划是本文的研究课题。我们专注于识别一组无人机试图达到的编队。我们使用softmax回归预测了从一个地层到另一个地层过渡阶段的地层。我们测试了几个特征向量设计,并给出了我们的结果
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引用次数: 6
A Proximal Algorithm for Estimating the Regularized Wavelet-Based Density-Difference 一种估计正则小波密度差的近端算法
N. Mijatovic, Rana Haber, G. Anagnostopoulos, Anthony O. Smith, A. Peter
Density-Difference (DD) estimation is an important unsupervised learning procedure that proceeds many regression methods. The present work details a novel method for estimating the Difference of Densities (DoD) between two distributions. This new method directly calculates the DD, in the form of a wavelet expansion, without the need for explicitly reconstructing individual distributions. Furthermore, the method applies a regularization technique that utilizes both l2 and l1 norm penalties to robustly estimate the coefficients of the wavelet expansion. Optimizing the regularized objective is accomplished via a Proximal Gradient Descent (PGD) approach. Thus, we term our method Regularized Wavelet-based Density-Difference (RWDD) with PGD. On extensive simulated datasets, from complex multimodal to skewed distributions, our method demonstrated superior performance in comparison to other contemporary techniques.
密度差(DD)估计是一个重要的无监督学习过程,许多回归方法都离不开它。本文详细介绍了一种估算两种分布密度差(DoD)的新方法。这种新方法以小波展开的形式直接计算DD,而不需要明确地重建单个分布。此外,该方法采用正则化技术,利用l2和l1范数惩罚来稳健地估计小波展开的系数。通过近端梯度下降(PGD)方法实现正则化目标的优化。因此,我们将我们的方法称为正则化小波密度差(RWDD)与PGD。在广泛的模拟数据集上,从复杂的多模态分布到偏态分布,我们的方法与其他当代技术相比表现出优越的性能。
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引用次数: 0
An Example of Project Based Learning to Advance Women's Interest in STEM Education and Robotics 基于项目的学习提高女性对STEM教育和机器人技术的兴趣的一个例子
Eamon P. Doherty, Paulette Laubsch, Elly Goei
This paper starts with a discussion of forensic imaging and its importance to robotics, computer forensics, and computer security. This is followed by a discussion of a computer science based robotics class that received favorable student opinion reports as well as accolades by the press. The class also inspired young women to pursue careers in STEM fields. Lastly we will discuss the need for project based lessons in STEM education and the need to increase the number of women in STEM fields in order to advance government, academia, and industry.
本文首先讨论了法医成像及其对机器人、计算机取证和计算机安全的重要性。接下来是一门基于计算机科学的机器人课程的讨论,该课程获得了学生的好评,也得到了媒体的赞扬。该课程还激励了年轻女性在STEM领域从事职业。最后,我们将讨论STEM教育中基于项目的课程的必要性,以及增加STEM领域女性人数的必要性,以推动政府、学术界和工业界的发展。
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引用次数: 0
Basic Study on Evaluation Method of Orientation and Mobility Skills Consideration for Visually Impaired Persons Based on Brain Activity 基于脑活动的视障者定向和移动技能评价方法的基础研究
Masaya Hori, Hiroaki Inoue, Yu Kikuchi, Mayu Maeda, Yusuke Kobayashi, Takuya Kiryu, T. Tsubota, S. Shimizu
Visually impaired persons recognize their surrounding with a white cane or a guide dog while walking. This skill called "Orientation and Mobility" is difficult to learn. The training of the "Orientation and Mobility Skills" is performed at the school for visually impaired person. However, the evaluation of this skill is limited to subjective evaluation by teacher. We have proposed that quantitative evaluation of the "Orientation and Mobility Skills" is required. In this paper, we tried to execute the quantitative evaluation of the "Orientation and Mobility Skills" using brain activity measurements. In this experiment, brain activity was measured when subjects are walking in the corridor alone or with guide helper. Experimental subjects were sighted person who was blocked visual information during walking. The blood flow of prefrontal cortex was increased as the movement distance of the subject increased when subjects walk alone. From this result, it can be considered that the feeling of fear and the attention relayed to "Orientation and Mobility Skills" could be measured quantitatively by measuring human brain activities.
视障人士在行走时借助白手杖或导盲犬识别周围环境。这种被称为“定向和移动”的技能很难学习。学校为视障人士提供“定向及行动技能”训练。然而,对这一技能的评价仅限于教师的主观评价。我们提出需要对“定向和移动技能”进行定量评估。在本文中,我们尝试使用脑活动测量对“定向和移动技能”进行定量评估。在这个实验中,研究人员测量了受试者在走廊上独自行走或在向导的帮助下行走时的大脑活动。实验对象是行走过程中视觉信息被阻断的正常人。当受试者独自行走时,前额叶皮层的血流量随着受试者移动距离的增加而增加。从这个结果可以认为,恐惧的感觉和对“定向和移动技能”的关注可以通过测量人脑活动来定量测量。
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引用次数: 1
Extended Location-Based Ad-Hoc Routing with Erroneous/Malicious Intermediate Node Detection 带有错误/恶意中间节点检测的扩展基于位置的Ad-Hoc路由
Naoshi Yakura, H. Higaki
In wireless multihop transmissions of data messages in wireless adhoc networks, it is surely assumed that both of a routing protocol and a data message transmission protocol work correctly in each intermediate wireless node. Until now, for flooding based ad-hoc routing protocols such as AODV in which routing and data message transmission functions are separately implemented, various methods for detection of malfunctioning intermediate nodes have been proposed. However, for most of location-based ad-hoc routing protocols such as GEDIR and GPSR in which routing and data message transmission functions are tightly combined, it is impossible for the proposed methods to be applied. This paper proposes a novel method for detection of malfunctioning intermediate nodes. Here, verification of location information advertised by 1-hop neighbor nodes and verification of data message transmissions by 1-hop neighbor nodes by cooperation among neighbor nodes sharing location information of their 2-hop neighbor wireless nodes are introduced.
在无线自组织网络中数据报文的无线多跳传输中,通常假定路由协议和数据报文传输协议在每个中间无线节点上都能正常工作。到目前为止,对于基于泛洪的自组织路由协议,如AODV,其中路由和数据消息传输功能是分开实现的,已经提出了各种检测故障中间节点的方法。然而,对于大多数路由和数据报文传输功能紧密结合的基于位置的自组织路由协议,如GEDIR和GPSR,所提出的方法是不可能应用的。提出了一种新的中间节点故障检测方法。本文介绍了对1跳邻居节点发布的位置信息的验证,以及通过共享2跳邻居无线节点位置信息的邻居节点之间的合作对1跳邻居节点传输的数据消息的验证。
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引用次数: 1
Identifying UAV Swarm Command Methods and Individual Craft Roles Using Only Passive Sensing 仅使用被动感知识别无人机群指挥方法和单个飞行器角色
Jonathan Meredith, J. Straub, Ben Bernard
Anti-drone technologies that attack drone clusters or swarms autonomous command technologies may need to identify the type of command system being utilized and the various roles of particular UAVs within the system. This paper presents a set of algorithms to identify what swarm command method is being used and the role of particular drones within a swarm or cluster of UAVs utilizing only passive sensing techniques (which cannot be detected). A testing configuration for validating the algorithms is also discussed.
攻击无人机集群或蜂群自主指挥技术的反无人机技术可能需要识别所使用的指挥系统的类型以及系统中特定无人机的各种角色。本文提出了一套算法来确定正在使用的群命令方法以及仅利用被动传感技术(无法检测到)的无人机群或无人机集群中特定无人机的作用。还讨论了用于验证算法的测试配置。
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引用次数: 0
Evaluation of Dental Image Augmentation for the Severity Assessment of Periodontal Disease 牙图像增强对牙周病严重程度评估的评价
Y. Moriyama, Chonho Lee, S. Date, Y. Kashiwagi, Yuki Narukawa, K. Nozaki, Shinya Murakami
By exploring the feasibility of medical imaging applicable to periodontal disease, we have designed a MapReduce-like deep learning model for the severity assessment by estimating the pocket depth from oral images. However, deep learning typically relies on supervised training with a large annotated dataset, and medical data often faces an insufficiency in quantity and variety. Furthermore, obtaining patient data and annotating such data by experts still remain a challenge. To overcome the insufficiency in the data, we propose random cropping and GAN-based augmentation methods on tooth pocket region images extracted from oral images. We verify that the proposed methods successfully increase the number of training data and its variety, and these synthetic data contribute to improving the estimation accuracy from 78.3% to 84.5%, and sensitivity from 50.4% to 74.0%, with specificity of around 90%, compared to the MapReduce-like model without the augmentation.
通过探索牙周病医学成像的可行性,我们设计了一个类似mapreduce的深度学习模型,通过估计口腔图像的口袋深度来评估牙周病的严重程度。然而,深度学习通常依赖于有监督的训练和大量带注释的数据集,而医疗数据往往面临数量和种类的不足。此外,获取患者数据并由专家对这些数据进行注释仍然是一个挑战。为了克服数据的不足,我们对口腔图像中提取的牙袋区域图像提出了随机裁剪和基于gan的增强方法。我们验证了所提出的方法成功地增加了训练数据的数量和种类,这些合成数据有助于将估计精度从78.3%提高到84.5%,灵敏度从50.4%提高到74.0%,特异性约为90%。
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引用次数: 5
Unmanned Vehicles: Real Time Problems in Drone Receivers 无人驾驶车辆:无人机接收器的实时问题
F. Tinetti, Oscar C. Valderrama Riveros, Fernando L. Romero
We are working on a (re) configurable general-purpose drone development. In this context, we are setting the basis for replacing the proprietary and traditional RC (Radio Control) receivers by other wireless communication devices. Thus, the communication device could be specifically defined for each application. We expect to be able to interact with standard drone flight controls (FC) as well as our own one/s. We show in this paper the general drone receiver proposal, the signals it handles, and a proof-of-concept Wi-Fi implementation. Furthermore, interacting with standard FC lets us to demonstrate that our proposal is not "tailored" to our own proprietary or specific FC.
我们正在开发一种(可重新配置的)通用无人机。在这种情况下,我们正在为用其他无线通信设备取代专有和传统的RC(无线电控制)接收器奠定基础。因此,可以为每个应用程序具体定义通信设备。我们希望能够与标准无人机飞行控制(FC)以及我们自己的一个/s进行交互。我们在本文中展示了一般无人机接收器的建议,它处理的信号,以及一个概念验证的Wi-Fi实现。此外,与标准FC的交互使我们能够证明我们的建议不是针对我们自己专有的或特定的FC“量身定制”的。
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引用次数: 2
Local Hierarchical Classification Techniques Analysis Using Attribute Selection for Protein Function Prediction 基于属性选择的局部层次分类技术在蛋白质功能预测中的应用
Leonardo Henrique Pereira, Carlos Nascimento Silla Junior, J. C. Nievola
With the rapid advancement of researches in the genomics and proteomic areas, the growth of bases with biological data was inevitable, making the analysis of these data a Herculean task for the human beings. Thus, it was indispensable the intervention of informatics to fulfill this need. Bioinformatics is used to analyze information in the field of biology using computer techniques. One of the problems of this area is the prediction of the protein functions, which is not so common because the analysis is very laborious and complex to treat, especially when there are classes with hierarchy, that is, their classes organized in super classes that inherit Protein functions of subclasses, forming structures of trees or directed acyclic graphs. The method presented here is based on the hierarchical classification of the protein function using machine learning algorithms, thus performing the prediction of protein functions. The novelty of this work lies in the study of feature selection approaches applied to different local-model hierarchical classification approaches. The results were obtained by conducting the experiments using the hierarchical mean and standard deviation, calculated through the correct rates that the hierarchical classification algorithms obtained. From the results found, comparisons were made between the hierarchical classification methods with and without the selection of attributes, thus proving that in the prediction scenario of the protein function, which have their classes in the hierarchical format, become much more favorable with the local hierarchical ranking approach per layer and not using attribute selection.
随着基因组学和蛋白质组学研究的迅速发展,生物数据数据库的增长是不可避免的,对这些数据的分析是人类的一项艰巨的任务。因此,信息学的介入是满足这一需求必不可少的。生物信息学是利用计算机技术分析生物学领域的信息。这一领域的问题之一是蛋白质功能的预测,这并不常见,因为分析非常费力和复杂,特别是当存在具有层次结构的类时,即它们的类组织在继承子类的蛋白质功能的超类中,形成树或有向无环图的结构。本文提出的方法是基于使用机器学习算法对蛋白质功能进行分层分类,从而进行蛋白质功能的预测。这项工作的新颖之处在于研究了不同局部模型层次分类方法的特征选择方法。结果是通过分层分类算法得到的正确率计算得到的分层均值和标准差进行实验得到的。从结果来看,比较了带属性选择和不带属性选择的分层分类方法,从而证明了在蛋白质功能的预测场景中,以分层形式进行分类时,采用每层局部分层排序方法比不使用属性选择更有利。
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引用次数: 1
Thermal-Aware Power Capping Allocation Model for High Performance Computing Systems 高性能计算系统的热感知功率封顶分配模型
Kishwar Ahmed, Kazutomo Yoshii, S. Tasnim
High-performance computing (HPC) systems are large computing infrastructures, which consume massive amount of power during their operation. Power capping is a feature introduced in modern processor architecture to control application performance running on compute nodes. In this paper, we exploit power capping capability in the processors to develop a thermal-aware energy-efficient model for HPC systems. Our model optimizes energy consumption of HPC applications, while ensures processor temperature remains within a limit. We execute various HPC applications and measure different characteristics of execution (e.g., power, performance, temperature). Based on real-life measurements, we demonstrate that our proposed model is effective on achieving thermal-aware energy-efficiency for HPC systems.
高性能计算(HPC)系统是大型计算基础设施,在运行过程中会消耗大量的电力。功率封顶是现代处理器架构中引入的一项特性,用于控制在计算节点上运行的应用程序性能。在本文中,我们利用处理器的功率封顶能力来开发HPC系统的热感知节能模型。我们的模型优化了高性能计算应用的能耗,同时确保处理器温度保持在限制范围内。我们执行各种高性能计算应用程序并测量不同的执行特性(例如,功率,性能,温度)。基于实际测量,我们证明了我们提出的模型在实现高性能计算系统的热感知能效方面是有效的。
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引用次数: 2
期刊
2019 International Conference on Computational Science and Computational Intelligence (CSCI)
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