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2020 IEEE 8th International Conference on Computer Science and Network Technology (ICCSNT)最新文献

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Object Detection on Aerial Image by Using High-Resolutuion Network 基于高分辨率网络的航空图像目标检测
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9304983
Zhiyan Bao, Chen Xing, Xi Liang
To detect trespassing in images captured by drones for water conservancy facilities inspection, this paper proposes a method that adapts Hight-Resolution Net to reserve high resolution features for improving detecting results. To detect trespassing target with small scale, this method parallels low-resolution and high-resolution conventical feature maps to reserve high-resolution features, besides that multi-scale fusions are conducted to enhance feature maps with different resolutions. Compare to Faster R-CNN, proposed method achieves 1.7% higher mAP on small targets.
为了检测无人机采集的水利设施检测图像中的非法侵入,本文提出了一种利用high - resolution Net保留高分辨率特征以提高检测效果的方法。为了检测小尺度入侵目标,该方法对低分辨率和高分辨率常规特征图进行并行处理,保留高分辨率特征,并进行多尺度融合,增强不同分辨率的特征图。与Faster R-CNN相比,本文方法在小目标上的mAP提高了1.7%。
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引用次数: 0
Trusted Edge Cloud Computing Mechanism Based on FPGA Cluster 基于FPGA集群的可信边缘云计算机制
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9304996
Hongwei Kan, Rengang Li, Dongdong Su, Yanwei Wang, Yanmei Shen, Wei Liu
To solve the problem of computing overload in cloud, we intend to design a trusted edge cloud computing model and method based on FPGA (Field Programmable Gate Array) clusters. Firstly, a device, named FPGA Box, with PCIe (Peripheral Component Interconnect Express) power supply capability is used to manage the FPGA accelerator in the model. Besides, the FPGA cluster provide heterogeneous accelerated computing services for the data center through the network. Furthermore, we proposed a trusted edge cloud computing method based on FPGA cluster. On the one hand, a bi-level encryption algorithm based on RSA is proposed to generate an authorized use code, which implied the FPGA accelerator IP (Internet Protocol) address and other information. On the other hand, based on the programmable features of the FPGA accelerators, we set FPGA registers as use status bits, which can control different working status of accelerator. Specifically, when the accelerators has been assigned, we also need upload the deadline of usage to it. Finally, the software activity process of the entire trusted edge cloud system is described in detail, including the process of generating authorized use code. Simulation results show that the edge cloud computing mechanism based on FPGA cluster is proved to be trusted and effective.
为了解决云计算中的计算过载问题,我们打算设计一种基于FPGA (Field Programmable Gate Array,现场可编程门阵列)集群的可信边缘云计算模型和方法。首先,使用具有PCIe (Peripheral Component Interconnect Express)供电能力的FPGA Box器件来管理模型中的FPGA加速器。此外,FPGA集群通过网络为数据中心提供异构加速计算服务。在此基础上,提出了基于FPGA集群的可信边缘云计算方法。一方面,提出了一种基于RSA的双层加密算法,生成授权使用码,该授权使用码隐含FPGA加速器IP (Internet Protocol)地址等信息。另一方面,基于FPGA加速器的可编程特性,我们将FPGA寄存器设置为使用状态位,可以控制加速器的不同工作状态。具体来说,当加速器被分配时,我们还需要将使用的截止日期上传到它。最后,详细描述了整个可信边缘云系统的软件活动过程,包括生成授权使用代码的过程。仿真结果表明,基于FPGA集群的边缘云计算机制是可信和有效的。
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引用次数: 4
Predictions of COVID-19 Infection Severity Based on Co-associations between the SNPs of Co-morbid Diseases and COVID-19 through Machine Learning of Genetic Data 通过遗传数据的机器学习,基于共发病疾病和COVID-19 snp之间的共同关联预测COVID-19感染严重程度
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9304990
R-Y Wang, Tim Qinsong Guo, L. Li, Julia Yutian Jiao, Lena Yiqi Wang
In this research, a quantitative model is built to predict people's susceptibility to COVID-19 based on their genomes. Identifying people vulnerable to COVID-19 infections is crucial in stopping the spread of the virus. In previous studies, researchers have found that individuals with comorbid diseases have higher chances of being infected and developing more severe COVID-19 conditions. However, these patterns are only observed through correlational analyses between patient phenotypes and the severity of their COVID-19 infection. In this study, genetic variants underlying the observed comorbidity patterns are analyzed through machine learning of COVID-19 data from GWAS studies, which may reveal biological pathways underlying COVID-19 contraction that are essential to the development of effective and targeted therapeutics. Furthermore, through combining genetic variants with the individual's phenotypes, this study built a Neural Network model and Random Forest classifier to predict an individual's likelihood of COVID-19 infection. The Random Forest Classifier in this study shows that on-going symptoms are generally better predictors of COVID-19 condition (higher impurity-based feature importance) than diseases or medical histories. In addition, when trained with genomic data, the comorbid disease impact ranking deduced by the resulting RF model is highly consistent with phenotypic comorbidity patterns observed in past studies.
本研究建立了一个基于基因组的定量模型来预测人们对COVID-19的易感性。确定易受COVID-19感染的人群对于阻止该病毒的传播至关重要。在之前的研究中,研究人员发现,患有合并症的人被感染并发展成更严重的COVID-19疾病的可能性更高。然而,这些模式只有通过患者表型与COVID-19感染严重程度之间的相关性分析才能观察到。在这项研究中,通过对来自GWAS研究的COVID-19数据的机器学习,分析了观察到的共病模式的遗传变异,这可能揭示了COVID-19收缩的生物学途径,这对开发有效和靶向治疗方法至关重要。此外,本研究通过将遗传变异与个体表型相结合,构建神经网络模型和随机森林分类器来预测个体感染COVID-19的可能性。本研究中的随机森林分类器表明,持续症状通常比疾病或病史更能预测COVID-19的病情(基于杂质的特征重要性更高)。此外,当使用基因组数据训练时,由所得RF模型推断出的共病疾病影响排名与过去研究中观察到的表型共病模式高度一致。
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引用次数: 16
Highway Toll Forecasting Model 高速公路收费预测模型
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9305016
Zhixiong Zhang, Yun Wu
Since the complexity of artificial design features in model training, the toll data features cannot be used reasonably and efficiently. Toll prediction of one single station based on toll historical data would ignore the interaction between stations in the highway network. Therefore, this paper constructs a highway toll forecast model, named DBN-MSVR combining deep belief network and multi-task learning for multi-station toll forecasting. This model uses the optimized deep belief network to perform feature learning on toll data, and combines multi-task learning and support vector regression on the top layer of the deep belief network to predict tolls. Experiments show that the DBN-MSVR toll prediction model has higher prediction accuracy than traditional methods.
由于模型训练中人工设计特征的复杂性,使得收费数据特征无法得到合理有效的利用。基于历史收费数据进行单站收费预测会忽略路网中各站之间的相互作用。为此,本文将深度信念网络与多任务学习相结合,构建了高速公路收费预测模型DBN-MSVR,用于多站收费预测。该模型利用优化后的深度信念网络对收费数据进行特征学习,并在深度信念网络顶层结合多任务学习和支持向量回归进行收费预测。实验表明,DBN-MSVR通行费预测模型比传统方法具有更高的预测精度。
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引用次数: 0
Deep Reinforcement Learning for Energy-efficient Train Operation of Automatic Driving 基于深度强化学习的列车自动驾驶节能运行
Pub Date : 2020-11-20 DOI: 10.1109/iccsnt50940.2020.9305007
Xianglin Meng, He Wang, Mu Lin, Yonghua Zhou
With the rapid development of urban rail transit and the improvement of machine learning technology, the application of deep reinforcement learning to train operation control has become a research hotspot. In this paper, the train operation control method based on deep reinforcement learning is established for urban rail transit. A subway line is employed to perform simulation, and the developed method is verified. The simulation results revealed the applicability and practicability of the method.
随着城市轨道交通的快速发展和机器学习技术的进步,将深度强化学习应用于列车运行控制已成为研究热点。本文建立了基于深度强化学习的城市轨道交通列车运行控制方法。以某地铁线路为例进行了仿真,验证了该方法的有效性。仿真结果表明了该方法的适用性和实用性。
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引用次数: 2
Model Predictive Computer Control for the Hybrid Levitation System of a Maglev Train 磁悬浮列车混合悬浮系统的模型预测计算机控制
Pub Date : 2020-11-20 DOI: 10.1109/iccsnt50940.2020.9304976
Xiaoqing Zhang, K. Jiang, Wenjie Hu, Yonghua Zhou
Compared with the pure electromagnetic suspension system, the hybrid suspension system has the characteristics of lower energy consumption, can indirectly increase the safety of the system, and reduce the construction difficulty and engineering cost. In this paper, an electromagnetic-permanent-magnet hybrid levitation model of a maglev train is a control object, and a constrained model predictive computer controller is utilized for the levitation control. The simulation results show that the constrained predictive controller can satisfy the multiple constraints, and real-time and anti-disturbance requirements in the suspension process for this kind of hybrid suspension system.
与纯电磁悬架系统相比,混合悬架系统具有能耗较低的特点,可以间接提高系统的安全性,降低施工难度和工程成本。本文以磁悬浮列车的电磁-永磁混合悬浮模型为控制对象,采用约束模型预测计算机控制器进行悬浮控制。仿真结果表明,约束预测控制器能够满足该类混合悬架系统在悬架过程中的多约束、实时性和抗干扰性要求。
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引用次数: 0
A Two-Phase Object Detection Solution for Aerial Images 航空图像的两阶段目标检测解决方案
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9305002
Chen Xing, Xi Liang, Pengliang Zhang
This paper proposes a two-phase solution for aerial inspecting. First phase focuses on removing images with no abnormal, modified YOLOv3 is used in this phase. Second phase focuses on target locating and identifying, modified SSD is applied in this phase. The experiment result shows the modified YOLOv3 get 2.2% higher accuracy than original design, and the miss rate of detecting images with no abnormal is only 2.6%.
本文提出了一种航空检测的两阶段解决方案。第一阶段的重点是去除没有异常的图像,这一阶段使用修改后的YOLOv3。第二阶段以目标定位和识别为重点,采用改进的固态硬盘。实验结果表明,改进后的YOLOv3比原设计提高了2.2%的准确率,对无异常图像的检测失误率仅为2.6%。
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引用次数: 0
Limited Memory Measurement Noise Adaptive Random Weighted Filtering Algorithm 有限内存测量噪声自适应随机加权滤波算法
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9305017
Dan Lv, Zhaohui Gao, Dejun Mu, Y. Zhong, Chengfan Gu
A new adaptive random weighted filtering algorithm is proposed. It is based on online estimation of limited memory measurement noise to overcome the problem of low filtering precision caused by arithmetic average estimation of measurement noise and its covariance matrix in the existing Kalman filtering algorithm of limited memory online estimation of measurement noise. This method establishes the stochastic weighting theory to estimate the measurement noise online and its covariance by adaptive adj usting the weights of measurement noise statistics. The weight of measurement noise statistics is used to suppress the influence of measurement noise on state estimation and improve the accuracy of filter estimation. Through simulations and analysis, the superiority of the proposed adaptive random weighted filtering algorithm based on online estimation of limited memory measurement noise algorithm is proved.
提出了一种新的自适应随机加权滤波算法。该算法基于有限记忆测量噪声的在线估计,克服了现有有限记忆测量噪声在线估计卡尔曼滤波算法对测量噪声及其协方差矩阵进行算术平均估计导致滤波精度低的问题。该方法建立了随机加权理论,利用测量噪声统计量的权重,自适应地在线估计测量噪声及其协方差。利用测量噪声统计量的权重来抑制测量噪声对状态估计的影响,提高滤波估计的精度。通过仿真和分析,证明了基于在线估计有限记忆测量噪声算法的自适应随机加权滤波算法的优越性。
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引用次数: 0
Compact One-Stage Object Detection Network 紧凑型单级目标检测网络
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9304979
Chen Xing, Xi Liang, Rongjie Yang
The targets in aerial images captured by drones are difficult to detect due to their small size, those neural networks with better detecting accuracy are too complicated to run real-time job on drone-mounted computer. This paper proposes a network combined residual network and YOLOv3-Tiny, residual network is used to merge different level features for improving YOLOv3-Tiny's small object detecting performance. During the experiment, the proposed network gets 2.9 higher mAP than YOLOv3-Tiny.
无人机捕获的航拍图像中的目标由于体积小而难以检测,那些检测精度较高的神经网络过于复杂,无法在无人机搭载的计算机上实时运行。本文提出了一种残差网络与YOLOv3-Tiny相结合的网络,利用残差网络对不同层次的特征进行合并,以提高YOLOv3-Tiny的小目标检测性能。在实验中,该网络的mAP值比YOLOv3-Tiny高2.9。
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引用次数: 4
Genetic Algorithm with Simulated Annealing for Resolving Job Shop Scheduling Problem 基于模拟退火的遗传算法求解作业车间调度问题
Pub Date : 2020-11-20 DOI: 10.1109/ICCSNT50940.2020.9305010
Xu Liang, Zhen Du
In order to solve the limitation of traditional genetic algorithm to solve the job shop scheduling problem, combined with the advantages of genetic algorithm (GA) and simulated annealing algorithm (SA), this paper proposes a kind of algorithm based on NSGA-II, which inserts simulated annealing algorithm during operation. A hybrid genetic algorithm simulated annealing algorithm (GASA) combining the advantages of the two algorithms is generated. The algorithm not only has the advantages of fast convergence speed of genetic algorithm and wide search area of simulated annealing algorithm, but also overcomes the problem of premature convergence of the former and slow convergence speed of the latter. In the operation details of the algorithm, adaptive function, non-dominated sorting and elite retention strategy are added to effectively improve the effectiveness of job shop scheduling.
为了解决传统遗传算法解决作业车间调度问题的局限性,结合遗传算法(GA)和模拟退火算法(SA)的优点,本文提出了一种基于NSGA-II的算法,在运行过程中插入模拟退火算法。结合两种算法的优点,提出了一种混合遗传算法模拟退火算法(GASA)。该算法不仅具有遗传算法收敛速度快、模拟退火算法搜索范围广的优点,而且克服了遗传算法过早收敛、模拟退火算法收敛速度慢的问题。在算法的操作细节中,加入了自适应函数、非支配排序和精英保留策略,有效提高了作业车间调度的有效性。
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引用次数: 6
期刊
2020 IEEE 8th International Conference on Computer Science and Network Technology (ICCSNT)
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