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2021 2nd International Symposium on Computer Engineering and Intelligent Communications (ISCEIC)最新文献

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A Clustering Ensemble Algorithm of Computing Stability of Sample Points Based on Neighborhood 基于邻域计算样本点稳定性的聚类集成算法
TongLing Lou
In the process of clustering ensemble, different sample points play different roles in the ensemble results, and the certainty of each sample point in the distribution to each cluster is also different. In order to reduce the impact of this uncertainty on clustering results, some scholars proposed the concept of sample stability. In this paper, we propose to calculate the stability of sample points by calculating the probability of the occurrence of sample points and sample points in their neighborhood in the same cluster of different base clusters, and propose an algorithm framework based on this calculation method. In this paper, the original data are first clustered to calculate the Mahalanobis distance between the sample points. Then, the co-occurrence probability of the target sample point and its nearest K sample points is calculated. According to the cooccurrence probability, the stability of each sample point is calculated. First, the stable sample points are hard clustered, and then the unstable sample points are assigned to the nearest cluster. The effectiveness of the proposed clustering ensemble algorithm is verified on benchmark datasets.
在聚类集成过程中,不同的样本点在集成结果中所起的作用是不同的,每个样本点在向每个聚类分布中的确定性也是不同的。为了减少这种不确定性对聚类结果的影响,一些学者提出了样本稳定性的概念。本文提出通过计算样本点及其邻域样本点在不同基聚类的同一聚类中出现的概率来计算样本点的稳定性,并提出了基于该计算方法的算法框架。本文首先对原始数据进行聚类,计算样本点之间的马氏距离。然后,计算目标样本点与其最近的K个样本点的共现概率。根据共现概率,计算每个样本点的稳定性。首先对稳定的样本点进行硬聚类,然后将不稳定的样本点分配到最近的聚类中。在基准数据集上验证了所提聚类集成算法的有效性。
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引用次数: 0
Design of Self-service Intelligent Parking Management System based on WSN 基于WSN的自助智能停车管理系统设计
Jian-liang Wang, Yu-duo Wang, Ye Wei, Yang Li, Fangpeng Li
With the increasing utilization of parking lot, the demand for intelligent parking management system is higher and higher. Through the realization of intelligent and networked management, it is the ultimate goal of the parking lot management system to be able to book and check the parking spaces of multiple parking lots, and finally realize the scheme of stopping whenever you want. The design is an self-service intelligent parking management system based on wireless sensor network (WSN for short). The upper computer compiles the upper computer management system through C #, monitors the data from the lower computer ZigBee in real time, and receives the vehicle information data from the terminal node through ZigBee wireless way. ZigBee module is mainly based on STM32 single chip microcomputer, with ZigBee module as ZigBee node. The system consists of coordinator node and terminal node. The terminal node is equipped with infrared sensor to monitor whether the vehicle is parked or not, which realizes the intelligent management and accurate use of the parking lot. The experimental test results show that the system has a short response time and high response accuracy. The average positioning time of parking space is about 2s and the average positioning accuracy is no more than 5cm.
随着停车场利用率的不断提高,对智能停车场管理系统的要求也越来越高。通过实现管理的智能化和网络化,能够对多个停车场的车位进行预定和查询,最终实现随时停车的方案,是停车场管理系统的最终目标。本设计是一个基于无线传感器网络(简称WSN)的自助智能停车管理系统。上位机通过c#编写上位机管理系统,对来自下位机ZigBee的数据进行实时监控,并通过ZigBee无线方式接收来自终端节点的车辆信息数据。ZigBee模块主要基于STM32单片机,以ZigBee模块作为ZigBee节点。该系统由协调节点和终端节点组成。终端节点配备红外传感器,监测车辆是否停放,实现停车场的智能化管理和精准使用。实验测试结果表明,该系统具有响应时间短、响应精度高等特点。车位平均定位时间在2s左右,平均定位精度不超过5cm。
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引用次数: 0
Nearest Neighbor Data Association Algorithm Based on Robust Kalman Filtering 基于鲁棒卡尔曼滤波的最近邻数据关联算法
Rongqing Su, Jun Tang, Jiangnan Yuan, Yuewen Bi
The radar data association algorithm is one of the most difficult problems in the field of target tracking. Among them, it is easy to cause bug tracking when using the nearest neighbor data association (NNDA) algorithm. Combined with robust Kalman filtering and nearest neighbor ideas, this paper proposes the robust nearest neighbor data association (RNNDA) algorithm. This paper introduces the process of RNNDA. The simulation results show that the target tracking accuracy of RNNDA is high than NNDA. Moreover, the times of target bug tracking are reduced significantly.
雷达数据关联算法是目标跟踪领域的难点问题之一。其中,使用最近邻数据关联(NNDA)算法时容易引起bug跟踪。结合鲁棒卡尔曼滤波和最近邻思想,提出了鲁棒最近邻数据关联(RNNDA)算法。本文介绍了RNNDA的过程。仿真结果表明,RNNDA比NNDA具有更高的目标跟踪精度。此外,显著减少了目标bug跟踪的次数。
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引用次数: 2
A cloud processing method for satellite terminals communication scheduling 一种卫星终端通信调度的云处理方法
Min Zhang, Long Peng, Yingqian Meng, Dong Liang
In order to solve the problem of lack of command means to connect different types of police terminals to the command center for management and scheduling, this paper designs and develops a multi type terminals concurrent access system of police terminals cloud platform, which realizes multiple types of terminals access. The cloud platform can access Tiantong terminal, Beidou terminal and PDT terminal at the same time based on load balance scheduling algorithm on several servers. The high performance of the police terminals access and the police service can be satisfied.
为了解决缺乏指挥手段将不同类型的警务终端连接到指挥中心进行管理调度的问题,本文设计并开发了一种警务终端云平台多类型终端并发接入系统,实现了多类型终端接入。云平台基于多台服务器上的负载均衡调度算法,可以同时接入天通终端、北斗终端和PDT终端。满足了警务终端接入和警务服务的高性能要求。
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引用次数: 0
A Portable GPS Signal Simulator Design Based on ZYNQ 基于ZYNQ的便携式GPS信号模拟器设计
Yuewen Bi, Jiangnan Yuan
Aiming at the problems of a large volume, high price, and complex operation of traditional global positioning system (GPS) signal simulator, a low-cost and portable GPS signal simulator based on ZYNQ is designed, which can simulate and generate multiple satellite signals. Compared with the common digital signal processing (DSP) and field programmable gate array (FPGA) combination technical solutions, ZYNQ adopts ARM + FPGA mode. In this mode, ARM and FPGA can achieve efficient coupling through an advanced extensible interface (AXI) on-chip bus interface, with a faster communication speed and more stable data transmission. The ARM module is responsible for receiving the scene information sent by the host computer as the information processing part, and generating the navigation message in the real time. The FPGA module is used as the signal processing part to process the data of multiple satellites in parallel. The intermediate frequency (IF) signal is modulated by the direct digital synthesis (DDS) technology and sent to the digital-analog converter (DAC) to generate the analog IF signal. The experimental results show that the GPS LI frequency satellite signal is successfully simulated, and the error between the positioning coordinates and the preset coordinates is within a reasonable range, which verifies the feasibility of the design scheme.
针对传统全球定位系统(GPS)信号模拟器体积大、价格高、操作复杂等问题,设计了一种基于ZYNQ的低成本便携式GPS信号模拟器,可以模拟并生成多个卫星信号。与常见的数字信号处理(DSP)和现场可编程门阵列(FPGA)组合技术方案相比,ZYNQ采用ARM + FPGA模式。在这种模式下,ARM和FPGA可以通过先进的可扩展接口(AXI)片上总线接口实现高效耦合,通信速度更快,数据传输更稳定。ARM模块负责接收上位机发送的场景信息,作为信息处理部分,实时生成导航电文。FPGA模块作为信号处理部分,对多颗卫星的数据进行并行处理。中频信号经直接数字合成(DDS)技术调制后送入数模转换器(DAC)产生模拟中频信号。实验结果表明,GPS LI频率卫星信号仿真成功,定位坐标与预设坐标误差在合理范围内,验证了设计方案的可行性。
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引用次数: 0
Research on Segmentation and Recognition of Liver CT Image Based on Multi-scale Feature Fusion 基于多尺度特征融合的肝脏CT图像分割与识别研究
Yi Yao, Yuan Sang, Zisheng Zhao, Yidong Cao
Liver segmentation is a common difficulty and key problem in the field of medical imaging. Aiming at the problem that the existing liver CT images have various shapes and the boundary regions are difficult to segment. So an improved U-Net liver segmentation method is proposed. First, introduce the CSPP module with a dilated convolution and multi-scale feature fusion structure to expand the receptive field while extracting richer spatial information; secondly, connect the CSPP modules in series and combine the residual structure to form the DREG module and join the U-Net network jump connection structure. The high-level and low-level feature information is fused to retain the subtle edge information of the liver; the above method solves the problem of diverse sample data shapes and difficult segmentation of boundary regions. Experimental results on the MICCAI 2017 Liver Tumor Segmentation(LiTS) challenge dataset show that this method obtains a good accuracy rate and has high application value for the clinical auxiliary diagnosis of liver CT images.
肝脏分割是医学影像领域的常见难点和关键问题。针对现有肝脏CT图像形状多样、边界区域难以分割的问题。为此,提出了一种改进的U-Net肝脏分割方法。首先,引入扩展卷积和多尺度特征融合结构的CSPP模块,在扩展感受野的同时提取更丰富的空间信息;其次,将CSPP模块串联,并将剩余结构组合成DREG模块,加入U-Net网络跳接结构。将高、低层特征信息融合,保留肝脏的细微边缘信息;该方法解决了样本数据形状多样、边界区域分割困难的问题。在MICCAI 2017肝脏肿瘤分割(liits)挑战数据集上的实验结果表明,该方法获得了较好的准确率,对肝脏CT图像的临床辅助诊断具有较高的应用价值。
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引用次数: 1
Insulator Detection Method Based on Improved Faster R-CNN with Aerial Images 基于航拍图像改进更快R-CNN的绝缘子检测方法
Weikuan Lu, Zhili Zhou, Xiukai Ruan, Zhengbing Yan, G. Cui
Insulators are a critical component in power transmission, and the detection of insulators is an essential prerequisite for achieving insulator status and fault diagnosis. An insulator detection method in aerial images based on the improved Faster R-CNN is proposed to address the problems of inaccurate localization and undetected error in the detection of insulators. In this method, the generalized intersection over union (GIoU) is adopted to overcome that the detection is sensitive to various scales insulators in aerial images, and it also improves the accuracy of insulator localization effectively. Meanwhile, the soft non-maximum suppression (Soft-NMS) algorithm is adopted to avoid missing detection of insulators in the post-processing stage because of mutual occlusion in aerial images. The experimental results show that the proposed method can effectively detect insulators in aerial images with complex backgrounds, and the average accuracy is significantly improved compared with different methods.
绝缘子是电力传输中的关键部件,对绝缘子的检测是实现绝缘子状态和故障诊断的必要前提。提出了一种基于改进Faster R-CNN的航空图像绝缘子检测方法,解决了航空图像绝缘子检测中定位不准确和未检测误差的问题。该方法采用广义交联(GIoU)方法克服了航拍图像中对不同尺度绝缘子检测敏感的缺点,有效提高了绝缘子定位的精度。同时,采用软非最大抑制(soft - nms)算法,避免了航拍图像因相互遮挡而在后处理阶段漏检绝缘子。实验结果表明,该方法能有效检测复杂背景航拍图像中的绝缘子,平均检测精度较其他方法有显著提高。
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引用次数: 3
A parallel grey wolf optimization with two objective functions applied in DV-Hop localization algorithm 将双目标函数并行灰狼优化算法应用于DV-Hop定位算法
Liangming Mao, Lingyun Liu
Wireless sensor networks (WSNs) have the ability to sense and process information. Only when the position of the sensor nodes is available, the information transmitted to the user is meaningful. In this paper, to improve the localization accuracy of DV-Hop, a two-objective DV-Hop localization algorithm based on parallel grey wolf optimization is proposed called PGWO-DV- Hop. Unlike the traditional DV-Hop based on intelligent optimization algorithm, after DV-Hop, two objective functions are established by using the estimated coordinates of neighboring nodes, the estimated distance and the theoretical distance between unknown node and neighboring nodes. To optimize the functions, the parallel grey wolf optimization (PGWO) is proposed. Simulation results show that compared with original DV-Hop and the other two typical improved algorithms, our proposed strategy significantly improves the localization accuracy.
无线传感器网络(WSNs)具有感知和处理信息的能力。只有当传感器节点的位置可用时,传递给用户的信息才有意义。为了提高DV-Hop的定位精度,本文提出了一种基于并行灰狼优化的双目标DV-Hop定位算法PGWO-DV- Hop。与传统的基于智能优化算法的DV-Hop不同,在DV-Hop之后,通过估计相邻节点的坐标、估计未知节点与相邻节点之间的距离以及理论距离来建立两个目标函数。为了优化功能,提出了并行灰狼优化算法。仿真结果表明,与原有的DV-Hop和其他两种典型的改进算法相比,我们提出的策略显著提高了定位精度。
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引用次数: 0
Adaptive image watermarking algorithm based on visual characteristics 基于视觉特征的自适应图像水印算法
Xuhui Cao, Qinfang Huang, Chuanmu Li
In order to make the digital watermark more robust and invisible, an image watermark embedding method based on the visual characteristics of human eyes and wavelet transform is proposed. Firstly, the binary watermark is dislocated by chaotic mapping, and then the watermark is embedded into the wavelet transform coefficients by quantization method, and the quantization step is dynamically adjusted according to the local correlation characteristics of the image and the visual characteristics of human eyes. Simulation experiments show that the algorithm not only has good transparency and security, but also has good robustness against attacks.
为了提高数字水印的鲁棒性和不可见性,提出了一种基于人眼视觉特征和小波变换的图像水印嵌入方法。首先通过混沌映射对二值水印进行错位处理,然后通过量化方法将水印嵌入到小波变换系数中,并根据图像的局部相关特征和人眼视觉特征动态调整量化步长。仿真实验表明,该算法不仅具有良好的透明性和安全性,而且对攻击具有良好的鲁棒性。
{"title":"Adaptive image watermarking algorithm based on visual characteristics","authors":"Xuhui Cao, Qinfang Huang, Chuanmu Li","doi":"10.1109/ISCEIC53685.2021.00060","DOIUrl":"https://doi.org/10.1109/ISCEIC53685.2021.00060","url":null,"abstract":"In order to make the digital watermark more robust and invisible, an image watermark embedding method based on the visual characteristics of human eyes and wavelet transform is proposed. Firstly, the binary watermark is dislocated by chaotic mapping, and then the watermark is embedded into the wavelet transform coefficients by quantization method, and the quantization step is dynamically adjusted according to the local correlation characteristics of the image and the visual characteristics of human eyes. Simulation experiments show that the algorithm not only has good transparency and security, but also has good robustness against attacks.","PeriodicalId":342968,"journal":{"name":"2021 2nd International Symposium on Computer Engineering and Intelligent Communications (ISCEIC)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114132024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on System Analysis and Development Issues of the Unmanned Combat Platform 无人作战平台系统分析与开发问题研究
Pei Zhang, Chengye Zhang, Weilong Gai
With the continuous development of high technology, the field of unmanned combat systems will continue to expand, and the ability to complete various combat tasks will continue to improve. The role of unmanned combat systems in the future information warfare and anti-terrorism wars will become increasingly prominent. Therefore, there is an urgent need for in-depth study of the unmanned combat systems related issues. Based on the analysis of the unmanned combat platforms in the air, sea, and ground, this article elaborates the development status and existing problems of unmanned combat platforms in detail, and provides a solid foundation for further research on unmanned combat systems related issues.
随着高新技术的不断发展,无人作战系统的领域将不断扩大,完成各种作战任务的能力将不断提高。无人作战系统在未来信息化战争和反恐战争中的作用将日益凸显。因此,迫切需要深入研究无人作战系统的相关问题。本文在对空、海、地无人作战平台进行分析的基础上,详细阐述了无人作战平台的发展现状及存在的问题,为进一步研究无人作战系统相关问题提供了坚实的基础。
{"title":"Research on System Analysis and Development Issues of the Unmanned Combat Platform","authors":"Pei Zhang, Chengye Zhang, Weilong Gai","doi":"10.1109/ISCEIC53685.2021.00084","DOIUrl":"https://doi.org/10.1109/ISCEIC53685.2021.00084","url":null,"abstract":"With the continuous development of high technology, the field of unmanned combat systems will continue to expand, and the ability to complete various combat tasks will continue to improve. The role of unmanned combat systems in the future information warfare and anti-terrorism wars will become increasingly prominent. Therefore, there is an urgent need for in-depth study of the unmanned combat systems related issues. Based on the analysis of the unmanned combat platforms in the air, sea, and ground, this article elaborates the development status and existing problems of unmanned combat platforms in detail, and provides a solid foundation for further research on unmanned combat systems related issues.","PeriodicalId":342968,"journal":{"name":"2021 2nd International Symposium on Computer Engineering and Intelligent Communications (ISCEIC)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125570126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
2021 2nd International Symposium on Computer Engineering and Intelligent Communications (ISCEIC)
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