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2020 International Conference on Communications, Information System and Computer Engineering (CISCE)最新文献

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Design of convolutional neural network SoC system based on FPGA 基于FPGA的卷积神经网络SoC系统设计
Weizhen Lin, Lei Zhang
With the continuous development of neural network technology, it has been paid more and more attention in digital image processing. In this paper, the convolution neural network is designed on the programmable logic device (FPGA). Using the characteristics of the hardware circuit, the convolution kernel is implemented with the parallel data processing in the core and the parallel processing between the convolution cores. The double buffer is used to reduce the access to memory devices. At the same time, the characteristics of cyclic block and sparse matrix are used to optimize the network structure, improve the network speed and reduce the power consumption. ARM processor is used to preprocess the images and configure the corresponding registers to control the number of network layers of CNN network. The test results show that the recognition rate of handwritten numeral can reach 97% by using CNN accelerator based on FPGA. Meanwhile, the power consumption and speed are significantly improved, which meets the requirements of portable mobile devices.
随着神经网络技术的不断发展,它在数字图像处理中越来越受到重视。本文在可编程逻辑器件(FPGA)上设计了卷积神经网络。利用硬件电路的特点,实现了卷积核内并行数据处理和卷积核间并行处理。双缓冲区用于减少对存储器设备的访问。同时,利用循环块和稀疏矩阵的特性,优化网络结构,提高网络速度,降低功耗。采用ARM处理器对图像进行预处理,并配置相应的寄存器来控制CNN网络的网络层数。测试结果表明,采用基于FPGA的CNN加速器对手写体数字的识别率可达97%。同时,大大提高了功耗和速度,满足便携式移动设备的要求。
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引用次数: 3
Design and Development of Inspection Management Information System for Power Plant Boiler Based on J2EE 基于J2EE的电厂锅炉巡检管理信息系统的设计与开发
Chen Wang, Peng-yang Liu, Shuangchang Feng, Xiaochang Liu
With the rapid development of China’s economy, special equipment has penetrated into the most subtle aspects of society, and the safety production supervision is particularly important. At present, Shanghai has become the region with the largest number of special equipment per capita and the highest distribution density in China. The utility boiler is a typical special equipment. Once an accident occurs, the economic loss of the utility boiler is heavy and the social impact is bad. Due to the particularity of boiler inspection in power plant, many inspection organizations are required to conduct joint inspection, and various inspection reports are issued. With the growth of inspection business, it is a difficult problem to design an information system to meet the existing power plant boiler inspection for the special equipment practitioners. In this paper, through the integration and carding of the existing system, it uses J2EE technology to start from the top-level design. By considering the system design in an all-round way, it makes each system linear and modular, and establishes an easy way to expand power plant boiler inspection management information system framework, so that the system can better serve the society.
随着中国经济的快速发展,特种设备已经渗透到社会最细微的方方面面,安全生产监管显得尤为重要。目前,上海已成为中国人均特种设备拥有量最多、分布密度最高的地区。电站锅炉是一种典型的特种设备。电站锅炉一旦发生事故,经济损失巨大,社会影响恶劣。由于电厂锅炉检验的特殊性,要求多家检验机构进行联合检验,出具各种检验报告。随着检测业务的不断发展,为特种设备从业人员设计一套满足现有电厂锅炉检测需求的信息系统已成为一个难题。本文通过对现有系统的集成和梳理,采用J2EE技术从顶层设计入手。通过对系统设计的全面考虑,使各系统线性化、模块化,建立了易于扩展的电厂锅炉巡检管理信息系统框架,使系统更好地服务于社会。
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引用次数: 0
An Encryption and Decryption Algorithm Based on Random Dynamic Hash and Bits Scrambling 一种基于随机动态哈希和位置乱的加解密算法
Guanghui Feng, Chunfu Zhang, Yujuan Si, Liuqi Lang
This paper proposes a stream cipher algorithm. Its main principle is conducting the binary random dynamic hash with the help of key. At the same time of calculating the hash mapping address of plaintext, change the value of plaintext through bits scrambling, and then map it to the ciphertext space. This encryption method has strong randomness, and the design of hash functions and bits scrambling is flexible and diverse, which can constitute a set of encryption and decryption methods. After testing, the code evenness of the ciphertext obtained using this method is higher than that of the traditional method under some extreme conditions..
本文提出了一种流密码算法。其主要原理是借助密钥进行二进制随机动态哈希。在计算明文的哈希映射地址的同时,通过位扰改变明文的值,然后将其映射到密文空间。这种加密方法具有较强的随机性,哈希函数和位置乱的设计灵活多样,可以构成一套加密和解密方法。经过测试,在一些极端条件下,使用该方法获得的密文的编码均匀性高于传统方法。
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引用次数: 0
Automatic Detection Method for Small Size Transmission Lines Defect Based on Improved YOLOv3 基于改进YOLOv3的小型输电线路缺陷自动检测方法
Lv Shouguo, L. Kai, Qiao Yaohua, L. Yunqi, Sun Yang, Liang Zhenyu
Defect detection methods based on machine learning extremely accelerate the transmission lines routine inspection process. In this paper, we propose an automatic defect detection method based on improved YOLOv3. Random feature pyramid (RFP) structure is introduced for the highly discriminative feature map construction. Focal loss function, which focus on differentiating between easy and hard examples, is employed to deal with the class imbalance problem. Experimental results demonstrate that the proposed approach obtains competitive performance compared with state-of-the-art deep learning object detection methods.
基于机器学习的缺陷检测方法极大地加快了输电线路的例行检查过程。本文提出了一种基于改进YOLOv3的缺陷自动检测方法。引入随机特征金字塔(RFP)结构,构建具有高度判别性的特征映射。采用焦点损失函数(Focal loss function)来处理类不平衡问题,重点是区分简单和困难的例子。实验结果表明,与目前最先进的深度学习目标检测方法相比,该方法具有较好的性能。
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引用次数: 3
Multi-task BERT for problem difficulty prediction 多任务BERT问题难度预测
Ya Zhou, Can Tao
Existing problem difficulty prediction models are based on professionals’ estimation of the difficulty of the problem, or mining relevant feature information from a large number of user records. The recently proposed BERT model is pre-trained on a large unsupervised corpus and has achieved impressive results in various natural language processing tasks. In order to reduce the required feature information and improve the accuracy of problem difficulty prediction, a problem difficulty prediction method based on multi-task BERT (MTBERT) is proposed. Experiments were carried out on the real data sets of LeetCode and ZOJ, and several neural network models were compared to verify the effectiveness of the method.
现有的问题难度预测模型是基于专业人员对问题难度的估计,或者从大量的用户记录中挖掘相关的特征信息。最近提出的BERT模型在一个大型无监督语料库上进行预训练,并在各种自然语言处理任务中取得了令人印象深刻的结果。为了减少问题难度预测所需的特征信息,提高问题难度预测的准确性,提出了一种基于多任务BERT (multi-task BERT)的问题难度预测方法。在LeetCode和ZOJ的真实数据集上进行了实验,并对几种神经网络模型进行了对比,验证了该方法的有效性。
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引用次数: 6
Real-time Online Transmission System for Slope Runoff and Sediment Content 坡面产沙量实时在线传输系统
Zhang Shao-jie, Zhang Kuang-wei
With the popularity of expressway, it has become the main choice for people to travel. However, traffic accidents caused by collapse of highway slopes are common. This paper uses ZigBee, GPRS technology to design a real-time online transmission system for slope runoff and sediment content. The system can monitor important information such as runoff and sediment content of highway slopes, and monitor and store runoff and sediment content in real time according to the collection requirements of the monitoring personnel of the monitoring center without manual guarding. The real-time data is transmitted to the monitoring center through the network, so that the monitoring personnel of the monitoring center can query the slope runoff and sediment content in time.
随着高速公路的普及,它已成为人们出行的主要选择。然而,由公路斜坡坍塌引起的交通事故是常见的。本文采用ZigBee、GPRS技术,设计了一个实时在线的坡面径流量和含沙量的传输系统。该系统可以对公路边坡的径流、含沙量等重要信息进行监测,根据监测中心监测人员的采集要求实时监测并存储径流、含沙量,无需人工看守。实时数据通过网络传输到监测中心,使监测中心的监测人员能够及时查询坡面径流量和含沙量。
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引用次数: 0
A Survey on GAT-like Graph Neural Networks 类gat图神经网络研究综述
Sikun Guo
The graph structure is one of the critical data structures in the real world, and its applications focus on graphs, where scholars study entity features and interactions among various entities. Recently, developments in graph neural networks (GNNs) have heightened the need for learning graph representations effectively. Simultaneously, graphs can be large and complex as well as noisy, posing obstacles for graph-related tasks. However, by incorporating the attention mechanism in graph neural networks, it is possible for GNNs to focus on the most important entities and interactions in graphs, contributing to better decisions. Therefore, this paper conducts a comprehensive survey about literature on GAT-like graph neural networks. According to inputs and outputs, types of attention mechanisms, tasks, this paper proposes a taxonomy to group recent works followed by detailed examples, aiming to overlook GAT-like GNNs from different perspectives. At last, this paper discusses the existing problems and challenges in this area, hoping to provide insights for future research directions.
图结构是现实世界中重要的数据结构之一,其应用主要集中在图上,研究实体的特征和各种实体之间的相互作用。近年来,图神经网络(gnn)的发展提高了对有效学习图表示的需求。同时,图形可能又大又复杂,而且有噪声,这给与图形相关的任务带来了障碍。然而,通过将注意力机制整合到图神经网络中,gnn有可能专注于图中最重要的实体和交互,从而有助于做出更好的决策。因此,本文对类gat图神经网络的相关文献进行了全面的梳理。根据输入和输出、注意机制类型、任务,本文提出了一种分类方法,对最近的研究进行分组,并给出了详细的例子,旨在从不同的角度忽略类似gat的gnn。最后,本文讨论了该领域存在的问题和挑战,希望对未来的研究方向提供一些见解。
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引用次数: 0
Improvement of information System Audit to Deal With Network Information Security 改进信息系统审计以应对网络信息安全
Xinyu Zhou
With the rapid development of information technology and the increasing popularity of information and communication technology, the information age has come. Enterprises must adapt to changes in the times, introduce network and computer technologies in a timely manner, and establish more efficient and reasonable information systems and platforms. Large-scale information system construction is inseparable from related audit work, and network security risks have become an important part of information system audit concerns. This paper analyzes the objectives and contents of information system audits under the background of network information security through theoretical analysis, and on this basis, proposes how the IS audit work will be carried out.
随着信息技术的飞速发展和信息通信技术的日益普及,信息时代已经到来。企业必须适应时代的变化,及时引入网络和计算机技术,建立更加高效合理的信息系统和平台。大型信息系统建设离不开相关的审计工作,网络安全风险已成为信息系统审计关注的重要内容。本文通过理论分析,分析了网络信息安全背景下信息系统审计的目标和内容,并在此基础上提出了如何开展信息系统审计工作。
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引用次数: 1
Online Course Quality Evaluation Based on BERT 基于BERT的在线课程质量评价
Ya Zhou, Meng Li
In order to evaluate the quality of online courses, this paper proposes a framework based on online course feature extraction and sentiment analysis, and applies this framework to the online courses of MOOC. Extract the word pair of the review data through the word frequency syntactic dependency, and merge the word pair into the sentiment classification of the BERT model to realize the fine-grained feature analysis of the online course review data, so as to obtain online courses in each Use this aspect to evaluate the quality of the course. Experiments conducted on MOOC online course reviews show that the BERT model incorporating binary features has improved accuracy, recall, and F1 values compared to traditional machine learning methods.
为了对网络课程质量进行评价,本文提出了一个基于网络课程特征提取和情感分析的框架,并将该框架应用于MOOC网络课程。通过词频句法依赖提取点评数据的词对,并将该词对合并到BERT模型的情感分类中,实现对在线课程点评数据的细粒度特征分析,从而获得在线课程在各个方面的使用情况,以此来评价课程的质量。在MOOC在线课程评论上进行的实验表明,与传统的机器学习方法相比,结合二元特征的BERT模型提高了准确率、召回率和F1值。
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引用次数: 0
Comparison of Three Prediction Models for the Incidence of Epidemic Diseases 三种传染病发病率预测模型的比较
Yining Zhao, Yuelai Su
Nowadays, there are high incidences of epidemic diseases so it is very important to predict the incidence of them. There are many prediction methods for epidemic diseases at present. In various situations, different models have different applications. This article will select three prediction models, namely ARIMA model, grey model and BP neural network model. Taking the number of people infected by epidemics of Shandong from 2014 to 2019 as an example, based on the structure and performance of the model, it can be found that ARIMA model is suitable for the prediction of seasonal epidemics in schools and other densely populated places. The grey model needs less data and is suitable for the short-term prediction of some grass-roots prevention and control personnel. The BP neural network model has high prediction accuracy but complicated prediction process, and is suitable for the prediction of scientific research institutions.
在传染病高发的今天,对传染病的发病率进行预测是非常重要的。目前流行性疾病的预测方法有很多。在不同的情况下,不同的模型有不同的应用。本文将选择三种预测模型,分别是ARIMA模型、灰色模型和BP神经网络模型。以山东省2014 - 2019年传染病感染人数为例,根据模型的结构和性能可以发现,ARIMA模型适用于学校等人口密集场所的季节性传染病预测。灰色模型需要的数据较少,适合一些基层防控人员的短期预测。BP神经网络模型预测精度高,但预测过程复杂,适合科研机构的预测。
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引用次数: 0
期刊
2020 International Conference on Communications, Information System and Computer Engineering (CISCE)
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