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2020 IEEE International Conference on Networking, Sensing and Control (ICNSC)最新文献

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An Improved Deep Multiple-input and Single-output PointNet for 3D Model Retrieval 一种用于三维模型检索的改进深度多输入单输出点网
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238062
Junwen Tong, Jiabao Zhao, Jiaoyang Jin, Weisong Qiao, Haitong Li
PointNet extracts global shape features from the unordered point sets directly, respecting the permutation invariance of the input points; however, it fails to capture the fine-grained local shape features. In this paper, we extend PointNet to a multi-input and single-output structure by additionally feeding the scale-invariant heat kernel signature into PointNet to capture the fine-grained local shape features. To diversify the training data, we resample the points of each model randomly and generate a set of sub-samples, based on which PointNet calculates their classification scores. Then we adopt a plurality voting strategy to fuse the sub-sample level feature vectors to a model level descriptor, according to their classification scores. The experimental results demonstrate our proposed method outperforms the state-of-the-art retrieval methods on two 3D model benchmarks.
PointNet在尊重输入点的排列不变性的前提下,直接从无序点集中提取全局形状特征;但是,它无法捕获细粒度的局部形状特征。在本文中,我们通过在PointNet中加入尺度不变的热核特征来捕获细粒度的局部形状特征,从而将PointNet扩展到多输入单输出结构。为了使训练数据多样化,我们随机重新采样每个模型的点并生成一组子样本,PointNet根据这些子样本计算它们的分类分数。然后,我们采用多元投票策略,根据子样本级特征向量的分类分数,将其融合到模型级描述符中。实验结果表明,本文提出的方法在两个三维模型基准上优于当前最先进的检索方法。
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引用次数: 0
Semi-Supervised Incremental Three-Way Decision Using Convolutional Neural Network 基于卷积神经网络的半监督增量三向决策
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238069
Yuwei Liang, Huaxiong Li, Bing Huang, Zhuohuai Guan, Pei Yang
This paper aims to develop a novel cost-sensitive face recognition framework, which can gain the desirable recognition results with the least total cost. By combining two recently rising techniques: deep convolutional neural networks (CNNs) and sequential three-way decision (3WD) method, our framework can automatically label new samples and incorporates the delayed decision into decision-making process. We first explore the semi-supervised face recognition method in the case of the scarcity of labeled training data. By learning the class estimation and the deep convolution feature extraction of the unlabeled data jointly, the CNN trained by both labeled training data and unlabeled data is generated. Then, rather than getting a lower recognition error rate, we focus on seeking the minimum cost of misclassification at each decision step. For this purpose, we introduce the method of sequential 3WD in our cost-sensitive face recognition framework, which take each iteration of semi-supervised learning as a decision-making step. When there are insufficient labeled samples, a delayed decision will be adopted to reduce the decision cost. Finally, the test cost is also considered in the decision-making process, and the sum of misclassification cost and test cost is taken as the total cost. Using the total cost as the objective function, optimizing the performance indicators, training to get the classifier with the smallest total cost. In short, the model strives to get an optimal decision step, so that the reliable identification result can be obtained with only a small number of labeled data. The work value of this paper is to prove the effectiveness of our method in two face datasets.
本文旨在开发一种新的成本敏感人脸识别框架,以最小的总成本获得理想的识别结果。通过结合深度卷积神经网络(cnn)和顺序三向决策(3WD)两种新技术,我们的框架可以自动标记新样本,并将延迟决策纳入决策过程。我们首先探索了在标记训练数据稀缺的情况下的半监督人脸识别方法。通过对未标记数据的类估计和深度卷积特征提取的共同学习,生成经过标记训练数据和未标记数据训练的CNN。然后,我们不再寻求较低的识别错误率,而是在每个决策步骤中寻求最小的错误分类代价。为此,我们在我们的代价敏感人脸识别框架中引入了顺序3WD方法,该框架将半监督学习的每次迭代作为决策步骤。当标签样品不足时,采用延迟决策来降低决策成本。最后,在决策过程中也考虑了测试成本,将误分类成本与测试成本之和作为总成本。以总代价为目标函数,对性能指标进行优化,训练得到总代价最小的分类器。简而言之,该模型力求获得最优的决策步长,从而在少量标记数据的情况下获得可靠的识别结果。本文的工作价值在于证明了该方法在两个人脸数据集上的有效性。
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引用次数: 1
Small-Sample Information Diffusion and Applications 小样本信息扩散与应用
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238067
Shanshan Yuan
The small-sample problems in scientific research can be settled by the information diffusion in one-dimensional Euclidean space. In this paper, the diffusion in two-dimensional Euclidean space has been developed, according to the author's previous study. It has also made obvious achievements in the applications of the two-dimensional technology to the two practical cases in healthcare.
科学研究中的小样本问题可以通过一维欧几里德空间中的信息扩散来解决。本文根据作者之前的研究,发展了二维欧几里得空间中的扩散。在将二维技术应用于医疗保健的两个实际案例方面也取得了明显的成果。
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引用次数: 1
A Lightweight Time Synchronisation for Wireless Sensor Networks 无线传感器网络的轻量级时间同步
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238056
C. Zhang, Shuanghua Yang
An efficient time synchronisation could increase the performance of most wireless sensor network (WSN) applications significantly. The energy conservation of sensor nodes using the theory of periodic activation and sleep relies on schedule tables with accurate timestamps which are maintained by frequent time synchronisations. In this paper, a time synchronisation scheme with a new Medium Access Control (MAC) protocol, named Schedule Awareness MAC (SA-MAC), is proposed for energy conservation purposes. The research focuses on MAC and application layer protocols. In SA-MAC, every sensor node obtains its two-hop neighbour active time slots information by applying dimensionality reduction to generate concentrated schedule tables. The simulation results show the lifetime of the network is extended significantly with an acceptable time error rate.
有效的时间同步可以显著提高大多数无线传感器网络(WSN)应用的性能。利用周期性激活和睡眠理论的传感器节点能量守恒依赖于具有精确时间戳的时间表,该时间表通过频繁的时间同步来维护。本文提出了一种基于新的介质访问控制(MAC)协议的时间同步方案,称为时间表感知MAC (SA-MAC),以达到节能的目的。研究的重点是MAC协议和应用层协议。在SA-MAC中,每个传感器节点通过降维生成集中的调度表来获取其两跳邻居的活动时隙信息。仿真结果表明,在可接受的时间误差率下,网络的生存期明显延长。
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引用次数: 0
Selection of raw material manufacturers for hotel room consumables based on combined effects 选择酒店客房耗材原料厂家的综合效应
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238058
Z. Liu, Xianzhong Zhou, Wenting Hu
With the continuous improvement of China's economy and life, the hotel industry is booming simultaneously. As a major management business for hotels, purchasing management of room consumables is crucial. In reality, hotels usually purchase multiple types of room consumables through supply middlemen, and there may be combined effects between these raw material products of consumables during the procurement process. This type of combined effects can enable hotels to increase efficiency and reduce costs in purchasing activities, and thereby influence their choice of manufacturer. Therefore, by studying the combined effect of purchasing room consumables and selecting the optimal manufacturer, the purpose of reducing hotel procurement costs and increasing revenue is achieved. This paper proposes a manufacturer selection algorithm for hotel room consumables based on combined effects. The raw material products can be combined into several groups with similar attributes by analyzing the combined degree of raw material products. Finally, the optimal manufacturer can be determined which meets the requirements based on the attributes of the combined groups.
随着中国经济和生活水平的不断提高,酒店业也随之蓬勃发展。客房耗材采购管理作为酒店的一项主要管理业务,至关重要。在现实中,酒店通常会通过供应中间商采购多种类型的客房耗材,在采购过程中,这些耗材的原材料产品之间可能会产生综合效应。这种综合效应可以使酒店在采购活动中提高效率,降低成本,从而影响他们对制造商的选择。因此,通过研究客房耗材采购与选择最优制造商的综合效应,达到降低酒店采购成本,增加收益的目的。提出了一种基于组合效应的酒店房间耗材制造商选择算法。通过对原料产品组合程度的分析,可以将原料产品组合成具有相似属性的若干组。最后,根据组合组的属性确定满足要求的最优制造商。
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引用次数: 0
Biologically Inspired Smart Contract: A Blockchain-Based DDoS Detection System 生物启发的智能合约:基于区块链的DDoS检测系统
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238104
Xu Han, Rongbai Zhang, Xingzi Liu, Frank Jiang
With the increase of Internet usage, the identification and recovery from cyber-attacks become the major concerns for cyber industries. Therefore, the harm caused by network attacks has caused widespread concern. Distributed Denial of Service (DDoS) attack is a very common destructive cyber attack. This is a network attack that destroys the network and can cause multiple computers to be attacked at the same time, failing to perform services properly. Therefore, based on the understanding of blockchain structure and DDoS characteristics, a blockchain-based DDoS detection model framework is proposed to form a blockchain-based collaborative detection system. We use the blockchain consortium chain structure to treat all participants as part of the private chain in the system. Each participating organization has its own channel, and other organizations cannot access its information, thus fully protecting the privacy of each participant. Our experimental results show that smart contracts can detect DDoS data and generate anomalous chains on each node. The time required to generate an exception chain and information sharing is very short, which indicates that the system can protect the privacy of user data. While sharing data in time, good results can be obtained as a collaborative detection system.
随着互联网使用量的增加,网络攻击的识别和恢复成为网络行业关注的主要问题。因此,网络攻击造成的危害引起了广泛关注。分布式拒绝服务(DDoS)攻击是一种非常常见的破坏性网络攻击。这是一种破坏网络的网络攻击,可以导致多台计算机同时受到攻击,导致业务无法正常运行。因此,在了解区块链结构和DDoS特征的基础上,提出基于区块链的DDoS检测模型框架,形成基于区块链的协同检测系统。我们使用区块链联盟链结构,将所有参与者视为系统中私有链的一部分。每个参与组织都有自己的渠道,其他组织无法访问其信息,从而充分保护了每个参与者的隐私。实验结果表明,智能合约可以检测到DDoS数据,并在每个节点上生成异常链。生成异常链和信息共享所需的时间非常短,表明系统可以保护用户数据的隐私性。在及时共享数据的同时,作为一个协同检测系统可以获得良好的效果。
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引用次数: 2
Percussion-based Detection of Bolt Looseness Using Speech Recognition Technology and Least Square Support Vector Machine 基于语音识别技术和最小二乘支持向量机的冲击螺栓松动检测
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238108
Furui Wang, Xuemin Chen, G. Song
In this paper, to detect bolt looseness of a subsea flange, we develop a new percussion method using speech recognition technology and least square support vector machine. Especially, to extract features from percussion-induced sound signals, we employ the mel frequency cepstral coefficient (MFCC). Finally, an experiment is conducted to verify the effectiveness of the proposed method. Compared to current detection methods for bolt loosening, the proposed method can avoid constant contact between sensors and structures, which significantly improves practicability and provides guidance for structural health monitoring based on the cyber-physics systems.
针对海底法兰螺栓松动的检测问题,提出了一种基于语音识别技术和最小二乘支持向量机的冲击检测方法。特别地,为了从冲击声信号中提取特征,我们采用了mel倒谱系数(MFCC)。最后,通过实验验证了所提方法的有效性。与现有的螺栓松动检测方法相比,该方法避免了传感器与结构的持续接触,大大提高了实用性,为基于网络物理系统的结构健康监测提供了指导。
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引用次数: 2
A Deep Learning Approach to Large-Scale Light Curve Prediction and Real-Time Anomaly Detection with Grubbs Criterion 基于Grubbs准则的大规模光曲线预测和实时异常检测的深度学习方法
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238105
Xiaodong Huang, Lei Peng, Cheng Lu, J. Bi, Haitao Yuan
In light curves (LCs), the brightness of stars is associated with time, and so is its image. The traditional data processing methods cannot effectively handle real-time and large-volume data of various LCs. To address this issue, this work develops a deep neural network named Dropout-based Recurrent Neural Networks (DRNN). It extracts complicated features of all images captured by Mini Ground-based Wide-Angle Camera array (Mini-GWAC) for point source extraction and cross-certification through Long Short-Term Memory units. DRNN can also produce warnings for abnormal values of light change curves. Furthermore, this work optimizes the training model by combining a dropout method with an adaptive moment estimation algorithm to iteratively update the network weight of the RNN based on the LCs data. Extensive experiments with a Mini-GWAC dataset demonstrate that DRNN outperforms several typical methods in terms of prediction performance of star brightness in large-scale astronomical LCs.
在光曲线(lc)中,恒星的亮度与时间有关,其图像也与时间有关。传统的数据处理方法不能有效地处理各种lc的实时、大容量数据。为了解决这个问题,这项工作开发了一个深度神经网络,名为基于dropout的递归神经网络(DRNN)。它通过长短期记忆单元,提取迷你陆基广角相机阵列(Mini- gwac)捕获的所有图像的复杂特征,进行点源提取和交叉认证。DRNN还可以对光变化曲线的异常值产生预警。此外,本文还对训练模型进行了优化,将dropout方法与自适应矩估计算法相结合,基于LCs数据迭代更新RNN的网络权重。在Mini-GWAC数据集上进行的大量实验表明,在大规模天文LCs中,DRNN在预测恒星亮度方面优于几种典型方法。
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引用次数: 0
Adversarial Transform Networks for Unsupervised Transfer Learning 无监督迁移学习的对抗变换网络
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238125
Guanyu Cai, Yuqin Wang, Lianghua He, Mengchu Zhou
Transfer learning, especially unsupervised domain adaptation, is a crucial technology for sample-efficient learning. Recently, deep adversarial domain adaptation methods perform remarkably well in various tasks, which introduce a domain classifier to promote domain-invariant representation. However, previous methods either constrain the representative ability with an identical feature extractor for both domains or ignore the relationship between domains with separate extractors. In this paper, we propose a novel adversarial domain adaptation method named Adversarial Transform Network (ATN) to both enhance the representative ability and transfer general information between domains. Residual connections are used to share features in the bottom layers, which deliver transferrable features to boost generalization performance. Moreover, a regularizer is proposed to alleviate a vanishing gradient problem, thus stabilizing the optimization procedure. Extensive experiments are conducted to show that the proposed ATN is comparable with the methods of the state-of-the-art and effectively deals with the vanishing gradient problem.
迁移学习,尤其是无监督域自适应,是样本高效学习的关键技术。近年来,深度对抗性领域自适应方法在各种任务中表现优异,该方法引入了领域分类器来促进领域不变表示。然而,以前的方法要么用相同的特征提取器约束两个领域的代表能力,要么用单独的提取器忽略领域之间的关系。本文提出了一种新的对抗域自适应方法——对抗变换网络(adversarial Transform Network, ATN),既增强了表征能力,又能在域间传递一般信息。残差连接用于底层特征共享,提供可转移的特征,提高泛化性能。此外,还提出了一个正则化器来缓解梯度消失问题,从而使优化过程趋于稳定。大量的实验表明,所提出的ATN与目前最先进的方法相当,并有效地处理了梯度消失问题。
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引用次数: 1
A Dual-Path Deep Neural Network for Sonar Image Quality Evaluation
Pub Date : 2020-10-30 DOI: 10.1109/ICNSC48988.2020.9238081
Huiqing Zhang, Shuo Li, Donghao Li
Sonar technology plays an important role in the development of marine resources and military strategy. Due to the bad underwater acoustic channel, the sonar image collected by sonar technology equipment is affected by various kinds of distortions easily. To obtain high-quality sonar image, we devise a novel dual-path deep neural network (DPDNN) to measure the quality of sonar image. In these two paths, we use the batch normalization layer to reduce the training time and take the skip operation to speed up the feature extraction. Based on the above two operations, we extract the micro-scopic and macro-scopic structure of sonar image, respectively. Finally, the global average pooling layer and the fully connection layer are used to connect the above two paths. Experiments show that our DPDNN has a significant improvement in prediction performance and efficiency, respectively.
声呐技术在海洋资源开发和军事战略中发挥着重要作用。由于水声通道恶劣,声纳技术设备采集的声纳图像容易受到各种失真的影响。为了获得高质量的声纳图像,我们设计了一种新的双路径深度神经网络(DPDNN)来测量声纳图像的质量。在这两种路径中,我们使用批处理归一化层来减少训练时间,并采用跳过操作来加快特征提取。基于以上两种操作,我们分别提取声纳图像的微观和宏观结构。最后,使用全局平均池化层和完全连接层将上述两条路径连接起来。实验表明,我们的DPDNN在预测性能和效率上都有显著提高。
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引用次数: 2
期刊
2020 IEEE International Conference on Networking, Sensing and Control (ICNSC)
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