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2022 IEEE 5th International Conference on Electronics and Communication Engineering (ICECE)最新文献

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A Small-Scale Pedestrian Detection Method in Railway Scene 铁路场景小尺度行人检测方法
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048653
Zhenhao Zhang, Wenwen Meng, Zheng Li, Jupeng Li
It is typically difficult to balance the accuracy and speed of small-scale pedestrian detection in the railway scene. To solve this problem, we have designed a novel network, in which we proposed a new loss function by introducing new parameters. In addition, we introduced the coordinate attention mechanism, which can significantly improve the detection performance of the network. In addition, we also designed the lightweight version of this network to apply to the Unmanned Aerial Vehicle (UAV) platform. The experimental results showed that the algorithm had higher detection accuracy than the basic network, and the LAMR (Log-Average Miss Rate) was reduced from 19.49% to 10.70%. Furthermore, its lightweight network can improve the detection frame rate from 14.92 to 19.60 FPS while ensuring high detection performance.
在铁路场景中,小尺度行人检测的精度和速度很难平衡。为了解决这个问题,我们设计了一个新的网络,通过引入新的参数提出了一个新的损失函数。此外,我们引入了坐标关注机制,可以显著提高网络的检测性能。此外,我们还设计了该网络的轻量化版本,以应用于无人机平台。实验结果表明,该算法比基础网络具有更高的检测精度,LAMR (Log-Average Miss Rate)从19.49%降低到10.70%。此外,它的轻量级网络可以在保证高检测性能的同时,将检测帧率从14.92提高到19.60 FPS。
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引用次数: 0
Hierarchical SDN Multi-controller Placement Strategy Based on Improved Aquila Optimizer 基于改进Aquila优化器的分层SDN多控制器布局策略
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048599
Xiaodi Chai, Hui Xu
The improved Aquila optimizer is used to solve the problems of large network latency and imbalance controller load caused by placing multiple controllers in hierarchical architecture software-defined networking. Random opposition-based learning was added to the initial population, and dynamic reverse learning was added to the high-altitude flight phase of global exploration to improve the global exploration capability of the Aquila optimizer. Toward shorten the feasibility of the optimal individual trap the local optimal, the Gaussian walk strategy is added to the local development to adjust the convergence speed of the Aquila optimizer. Through the experimental verification of China Telecom network topology, the strategy solved by the improved Aquila optimizer can maintain the premise of the minimum network total latency, realize the load balance of the network, and the performance index is better than the random algorithm, K-means algorithm, particle swarm algorithm.
改进的Aquila优化器用于解决分层架构软件定义网络中由于放置多个控制器而导致的网络延迟大和控制器负载不平衡的问题。在初始种群中加入随机对立学习,在全局探索的高空飞行阶段加入动态反向学习,提高Aquila优化器的全局探索能力。为了缩短最优个体捕获局部最优的可行性,在局部开发中加入高斯行走策略来调整Aquila优化器的收敛速度。通过对中国电信网络拓扑的实验验证,改进的Aquila优化器所解决的策略能够在保持网络总延迟最小的前提下,实现网络的负载均衡,性能指标优于随机算法、K-means算法、粒子群算法。
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引用次数: 0
Design of Secure Pilot Spectrum for 5G Oriented Massive MIMO System 面向5G大规模MIMO系统的安全导频设计
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048632
Jiangfei Chen, Qiang Sun, Rui Wang, Changchao Wei, Weite Liu, Xinghan Pan
In a Massive MIMO system, the base station needs to estimate the channel according to the received pilot signal and obtain the channel state information to design the downlink precoding matrix. The spectrum pattern of pilot signal plays an important role in channel estimation. In this paper, a pilot spectrum based on channel quality is designed. The simulation results show that the performance of the proposed pilot pattern has been effectively improved compared with the traditional pilot pattern. In view of the security problems in the signal transmission process, this paper introduces a symmetric encryption algorithm, and adds a key in the encoding stage of the analog-to-digital conversion part, which effectively improves the security performance of the system.
在大规模MIMO系统中,基站需要根据接收到的导频信号估计信道,获取信道状态信息,从而设计下行预编码矩阵。导频信号的频谱方向图在信道估计中起着重要的作用。本文设计了一种基于信道质量的导频频谱。仿真结果表明,与传统导频模式相比,该导频模式的性能得到了有效提高。针对信号传输过程中存在的安全问题,本文引入了对称加密算法,并在模数转换部分的编码阶段增加了密钥,有效提高了系统的安全性能。
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引用次数: 0
Detecting Kernel Rootkits in a Virtualized Infrastructure with Low-Level Architectural Features 在具有底层架构特性的虚拟化基础设施中检测内核rootkit
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048623
Huaizhe Zhou, Changjiang Fei, Lin Ni, Bo Wu, Guopeng Li, Kun Han
Security exploits and ensuant malware pose an increasing challenge to the cloud computing environments as the variety and complexity of malware continue to increase. Kernel rootkits are more formidable than other malware for their stealthiness and high privilege. A variety of software-based detection mechanisms have been explored to defeat kernel rootkits. However, existing methods suffer from their complexity. In this paper, we introduce HKRD, a system that utilizes low-level architectural features in the hypervisor to detect and identify malicious behaviors of kernel rootkits in a VM. By combining architectural features with machine learning on the Xen hypervisor, our implemented prototype shows its capacity to detect kernel rootkits with high accuracy and moderate performance cost.
随着恶意软件种类和复杂性的不断增加,安全漏洞和恶意软件对云计算环境构成了越来越大的挑战。内核rootkits比其他恶意软件更强大,因为它们具有隐蔽性和高权限。已经探索了各种基于软件的检测机制来击败内核rootkit。然而,现有的方法因其复杂性而受到影响。在本文中,我们介绍了HKRD,一个利用管理程序中的低级体系结构特征来检测和识别虚拟机中内核rootkit的恶意行为的系统。通过将架构特性与Xen管理程序上的机器学习相结合,我们实现的原型显示了它以高精度和适度的性能成本检测内核rootkit的能力。
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引用次数: 1
Adaptation of Conventional Movie Consumers to Streaming Movie and Series Platforms during Lockdown: A Systematic Literature Review from 2019 to 2021 封锁期间传统电影消费者对流媒体电影和电视剧平台的适应:2019年至2021年的系统文献综述
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048625
Richard Yassir Huasasquiche-Carbajal, Rosa Anabel Quiroz-Villavicencio, Adriana Margarita Turriate-Guzmán
This systematic review aims to document the adaptation of the conventional movie consumer to streaming platforms for movies, series, and videos during the lockdown. It is a relevant topic to study due to changes in the audiovisual industry, the new narrative formats, the emergence of streaming platforms, and the creation of algorithms to determine audience preferences. The research databases are EBSCO and Scielo. The search was performed by screening the information through the PRISMA methodology. The results show the existence of several factors that have influenced the increase in the consumption of streaming platforms. Finally, the absence of articles within the pandemic timeframe was observed as the main limitation in conducting this research.
本系统综述旨在记录传统电影消费者在封锁期间对电影、电视剧和视频流媒体平台的适应情况。由于视听行业的变化,新的叙事格式,流媒体平台的出现以及确定观众偏好的算法的创建,这是一个相关的研究课题。研究数据库为EBSCO和Scielo。搜索是通过PRISMA方法筛选信息进行的。结果表明,影响流媒体平台消费增长的因素有几个。最后,观察到在大流行时间范围内缺乏文章是开展这项研究的主要限制。
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引用次数: 0
Quantitative Analysis of Improvement on Wavefront Aberration Correction with Scattering Preconditioner 散射预调节器对波前像差校正效果的改进定量分析
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048644
Sen Yang, Xiaofeng Li
Many works effectively improved the aberration correction accuracy by adaptive optics (AO) with a defocus preconditioner, which has been quantitatively demonstrated and the formula of the optimal defocus distance were derived. However, no work has yet quantitatively analyzed the improvement with a scattering preconditioner. Spurred by the gap, we equivalently convert the change of the optical field at the imaging sensor due to scattering to the additional phase on the pupil plane, then derive the model between the scattering screen roughness with the probability of dual wavefront (PDWF) and the proportion of intensity in the cropped area (PICA), respectively. The experimental results show that the correction accuracy is significantly improved as PDWF decreases, and deteriorated after PICA less than 95%, which is consistent with the conclusion under the defocus preconditioner. Furthermore, we propose theoretical guidance on how to select the scattering screen roughness based on the AO parameters to meet the requirements of high accuracy and real-time performance.
许多研究都对带离焦预校正器的自适应光学像差校正精度进行了定量论证,并推导了最佳离焦距离的计算公式。然而,目前还没有工作对散射预调节器的改进进行定量分析。在间隙的刺激下,我们将成像传感器处由于散射引起的光场变化等效地转换为瞳孔平面上的附加相位,然后分别推导出具有双波前概率的散射屏粗糙度(PDWF)与被裁剪面积的强度比例(PICA)之间的模型。实验结果表明,随着PDWF的减小,校正精度显著提高,而当PICA小于95%时,校正精度下降,这与散焦预处理下的结论一致。在此基础上,提出了基于AO参数选择散射屏粗糙度以满足高精度和实时性要求的理论指导。
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引用次数: 0
An Extensive Survey on Short-Wave Vehicle Full-Loop No-Blind-Area Antenna 短波车载全环无盲区天线研究进展
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048603
Chen Jundong, Wang Peng, Feng Xiaoyun
In this paper, formula deduction and simulation analysis are conducted for the principle composition and configuration form of short-wave vehicle full-loop no-Blind-area antenna. From the generation of the short-wave blind area, it focuses how to eliminate the short-wave blind area, analyze how the full-loop antenna eliminates the short-wave blind area and describe the basic principle of the short-wave full-loop no-blind-area antenna with the detailed principle simulation analysis of its composition. Finally, the principle and characteristics of each component are analyzed, and the rational design scheme of the full-loop non-blind-area antenna is comparatively thorough investigated in the paper.
本文对短波车载全回路无盲区天线的原理组成和配置形式进行了公式推导和仿真分析。从短波盲区的产生入手,重点介绍了如何消除短波盲区,分析了全环天线如何消除短波盲区,描述了短波全环无盲区天线的基本原理,并对其组成进行了详细的原理仿真分析。最后,对各器件的工作原理和特性进行了分析,对全回路无盲区天线的合理设计方案进行了较为深入的研究。
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引用次数: 0
Graph ODE Recurrent Neural Networks for Traffic Flow Forecasting 用于交通流量预测的ODE递归神经网络图
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048605
Yuqiao Su, Bin Ren, Kunhua Zhang
Traffic flow prediction is the core problem of traffic planning management and the basic basis of traffic control. However, the existing methods often do not fully consider the differences of different road nodes when modeling spatial dependence. In this paper, we propose a traffic flow prediction framework called graph neural ordinary differential equation recurrent neural network (GODE-RNN). Our method fuses graph convolution into neural ordinary differential equation to capture the spatial correlation, while the temporal correlation is extracted by sequence-to-sequence model. Specifically, we use neural ordinary differential equation (ODE) to expand the hidden state of graph convolution network, and different weights are used to weight and sum the hidden states of ODE for different road nodes, so that the network can learn the difference of spatial correlation of different road nodes independently. On the real-world data set, our method is significantly better than the baseline.
交通流预测是交通规划管理的核心问题,是交通控制的基本依据。然而,现有方法在建模空间依赖性时往往没有充分考虑不同道路节点的差异性。本文提出了一种交通流预测框架——图神经常微分方程递归神经网络(GODE-RNN)。该方法将图卷积融合到神经常微分方程中捕获空间相关性,同时通过序列对序列模型提取时间相关性。具体来说,我们使用神经常微分方程(ODE)对图卷积网络的隐藏状态进行展开,并对不同道路节点的ODE隐藏状态使用不同的权值进行加权和,使网络能够独立学习不同道路节点的空间相关性差异。在真实数据集上,我们的方法明显优于基线。
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引用次数: 1
KPA: Automatic Acquisition Algorithm of Key Parameters in Space Field 空间场关键参数自动获取算法
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048656
Wang Guonv
Acquisition acquisition algorithm of key parameters in space field is a method of automatic code generation. The method uses regular expression to automatically match key parameters in documents, extract them, and generate regular C programs that can be compiled according to certain rules. The application of this method greatly improves the development efficiency of software developers, improves the reliability and maintainability of software, lays the foundation for the development of code driven technology based on model driven development, and provides data support.
空间领域关键参数的获取算法是一种自动生成代码的方法。该方法利用正则表达式自动匹配文档中的关键参数,提取关键参数,生成可按一定规则编译的正则C程序。该方法的应用大大提高了软件开发人员的开发效率,提高了软件的可靠性和可维护性,为基于模型驱动开发的代码驱动技术的发展奠定了基础,并提供了数据支持。
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引用次数: 0
Dynamic Resource Allocation for All-Optical Multicast in Space Division Multiplexed Elastic Optical Networks 空间复用弹性光网络中全光组播的动态资源分配
Pub Date : 2022-12-16 DOI: 10.1109/ICECE56287.2022.10048661
Qiang Sun, Yue Zhao, Xining Yang, Weiqi Li
In recent years, the rapid growth of network traffic and the emergence of new Internet applications have required optical networks to continuously improve their capacity and flexible transmission capability. Spatial division multiplexed elastic optical networks (SDM-EONs) have become the most promising core architectures for future optical networks with their fine granularity, high capacity, and high transmission rate. In the paper, we study the routing, modulation level, spectrum, and core allocation (MC-RMSCA) problem for multicast services in SDM-EONs, building a network model using all-optical multicast in SDM-EONs, and then propose two heuristic algorithms for the problem to solve MC-RMSCA in dynamic scenarios. Simulation results show that, compared with the shortest-path-tree-based routing, modulation level spectrum, and core allocation (SPT-RMSCA) algorithm, the subtree-assisted routing, modulation level spectrum, and core allocation (STA-RMSCA) algorithm performs better in terms of blocking probability and spectrum utilization.
近年来,网络流量的快速增长和互联网新应用的出现,要求光网络不断提高容量和灵活的传输能力。空间复用弹性光网络(sdm - eon)以其细粒度、高容量、高传输速率的特点成为未来光网络最具发展前景的核心架构。本文研究了SDM-EONs中多播业务的路由、调制水平、频谱和核心分配(MC-RMSCA)问题,建立了SDM-EONs中全光多播网络模型,并提出了两种启发式算法来解决动态场景下的MC-RMSCA问题。仿真结果表明,与基于最短路径树的路由、调制级频谱和核心分配(SPT-RMSCA)算法相比,子树辅助路由、调制级频谱和核心分配(STA-RMSCA)算法在阻塞概率和频谱利用率方面具有更好的性能。
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引用次数: 1
期刊
2022 IEEE 5th International Conference on Electronics and Communication Engineering (ICECE)
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