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

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Yanji: An Automated Mobile Meeting Minutes System 延吉:自动移动会议记录系统
Xuning Chen, Fengwei Sheng, Rongxuan He, Shiwei Chen, Hongmeng Ma, Yanfeng Wu, Jing Xu
With the development of intelligent phones and speech recognition technology, there is a great demand for generating meeting minutes automatically. In this paper, we design and implement Yanji, an automated system for generating meeting minutes based on speech and speaker recognition. The Yanji system realizes the following functions: recording the audio of the conference, uploading audios to IBM cloud in real time, transcribing audios to texts and identifying various speakers with IBM Speech to Text API, and finally generating complete meeting minutes. Yanji greatly reduces the recording storage space and the labor cost of listening and writing, and improves the meeting efficiency.
随着智能手机和语音识别技术的发展,会议纪要的自动生成需求越来越大。本文设计并实现了基于语音和说话人识别的会议纪要自动生成系统“延吉”。延吉系统实现了以下功能:录制会议音频,将音频实时上传到IBM云,将音频转换为文本,并通过IBM Speech to Text API识别不同的演讲者,最终生成完整的会议纪要。延吉大大减少了录音存储空间和听写的人工成本,提高了会议效率。
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引用次数: 0
Laplacian Eigenmaps based Semi-supervised Metric Fuzzy Clustering algorithm 基于拉普拉斯特征映射的半监督度量模糊聚类算法
Hongxi Xia, Shengbing Xu, Wei Cai, Peixuan Chen, Yuanhao Zhu
Semi-supervised Metric Fuzzy Clustering (SMUC) is known for taking advantage of prior information of membership to guide clustering. However, SMUC has the following problem: it is easy for SMUC to reduce the effectiveness of priori information of membership guidance because of the sensitivity of algorithm to random noise, which has a negative impact on the performance of SMUC algorithm. In order to solve the problem, we propose a Laplacian Eigenmaps based Semi-supervised Metric Fuzzy Clustering algorithm (LESMUC). Firstly, K nearest neighbors are selected in the data to construct the connected graph; secondly, the weight of the graph is calculated; finally, the objective function is minimized to get the mapping matrix, and the mapping matrix is used to map the data to a new space. This process can reduce the influence of random noise in the data set on the prior information and achieve better clustering effect. Experiments on UCI data and COVID-19 CT images show the effectiveness of the proposed clustering algorithm.
半监督度量模糊聚类(SMUC)以利用隶属度的先验信息来指导聚类而闻名。然而,SMUC存在以下问题:由于算法对随机噪声的敏感性,容易降低隶属度引导的先验信息的有效性,从而对SMUC算法的性能产生负面影响。为了解决这个问题,我们提出了一种基于拉普拉斯特征映射的半监督度量模糊聚类算法(LESMUC)。首先,从数据中选取K个最近邻,构造连通图;其次,计算图的权值;最后,对目标函数进行最小化,得到映射矩阵,利用映射矩阵将数据映射到新的空间。这个过程可以减少数据集中随机噪声对先验信息的影响,达到更好的聚类效果。在UCI数据和COVID-19 CT图像上的实验表明了该聚类算法的有效性。
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引用次数: 0
Research Focus and Trend of Xi Jinping’s Statements on Craftsman Spirit : A Citespace Visualized Analysis Based on the Literature from 2017 to 2021
Dongjie Wu, Yunbing Han, Zhenwei Zhang, Haiyu Tang
General Secretary Xi Jinping’s statements on "craftsman spirit" is the concentrated embodiment of the cultural confidence of socialism with Chinese characteristics. Therefore, it is necessary to sort out the research focuses and trends of General Secretary Xi Jinping’s important statements on it and study the practical path. With the knowledge map of CiteSpace, this paper combs the literature on the elaboration of the craftsman spirit by General Secretary Xi Jinping in the past five years from 2017 to 2021. The research focuses on four dimensions: analyze the evolution of craftsman spirit from historical dimension; discuss the connotation and significance from the dimension of General Secretary Xi’s statement; explore the effective integration of craftsman spirit from the dimension of ideological and political education; think the craftsman spirit from the dimension of design education. This paper has summarized the research trend of General Secretary Xi Jinping’s statement on craftsman spirit’s integration in the future education and craftsman culture inheritance.
研究主要集中在四个维度:从历史维度分析工匠精神的演变;从思想政治教育维度探索工匠精神的有效整合从设计教育的维度思考工匠精神。
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引用次数: 1
Fast Matching Algorithm for Sparse Star Points Based on Improved Delaunay Subdivision 基于改进Delaunay细分的稀疏星点快速匹配算法
Liu Yang, Miao Li, Xinpu Deng
The image under the starry sky background lacks texture detail information. It is difficult to use visual features such as regional features, shape to achieve image registration, and the star map structure may be unknown. To address these issues, this paper proposes a fast matching algorithm for sparse star points based on the Delaunay subdivision, which uses the geometric topological structure between the star points to solve the image transformation parameters and achieve accurate registration. Experimental results show that this method can still perform correct registration even in the presence of noise, target points, rotation, and translation, or lack of star points in the star map. The average registration error of 50 sets of simulated star maps is 0.4791 pixels, and the average registration time is 3.5386 s, which can meet the requirements of registration accuracy and speed, realizes the combination of mathematical methods and graphics.
星空背景下的图像缺少纹理细节信息。难以利用区域特征、形状等视觉特征实现图像配准,星图结构可能未知。针对这些问题,本文提出了一种基于Delaunay细分的稀疏星点快速匹配算法,利用星点之间的几何拓扑结构求解图像变换参数,实现精确配准。实验结果表明,该方法在星图中存在噪声、目标点、旋转、平移或缺少星点的情况下仍能实现正确配准。50组模拟星图的平均配准误差为0.4791像素,平均配准时间为3.5386 s,可以满足配准精度和速度的要求,实现了数学方法与图形的结合。
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引用次数: 0
A Multi-scale Network-based Method for the YOLOv3 Small Target Detection 基于多尺度网络的YOLOv3小目标检测方法
Zhifeng Liu, Yejin Yan, Tianping Li, Tonghe Ding
In order to further improve the accuracy of small target detection, this paper proposes a novel YOLOv3 small target detection method for multi-scale networks, which is mainly divided into four modules: 1. K-Means++ clustering algorithm to select anchor frames and accelerate model convergence; 2. multi- scale adaptive fusion to extract features and enhance network processing information; 3. end-to-end detection for network prediction to improve detection speed; 4. threshold score for ranking and using NMS to filter local maxima and output the predicted bounding box. Training and testing were conducted on the CCTSDB traffic sign dataset, and experiments showed that the algorithm significantly improved the detection accuracy of small targets compared with the original YOLOv3.
为了进一步提高小目标检测的精度,本文提出了一种新的多尺度网络YOLOv3小目标检测方法,该方法主要分为四个模块:k - means++聚类算法选择锚框架,加速模型收敛;2. 多尺度自适应融合提取特征,增强网络处理信息;3.端到端检测用于网络预测,提高检测速度;4. 使用NMS过滤局部最大值并输出预测的边界框。在CCTSDB交通标志数据集上进行训练和测试,实验表明,该算法相对于原始的YOLOv3,对小目标的检测精度有显著提高。
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引用次数: 1
Collection, analysis and display of civil aviation data based on Spark 基于Spark的民航数据采集、分析与显示
Kaicheng Zhang, J. Yang
This paper studies the monitoring of ADS-B signals based on spectrum and signal decoding. Firstly, one receiver is used to collect 1089.5MHz -1090.5MHz spectrum data, and the other is used to decode ADS-B (Automatic Dependent Surveillance-Broadcast) radio signal to obtain aircraft flight height, position, speed and other data; Secondly, store the data in the database and perform k-means clustering on the ADS-B spectrum data to determine whether there is a signal, and display the flight trajectory on the ArcGIS Map. Finally, a spark experimental system was built to demonstrate the above process. The flight data of the domestic Ctrip website was crawled for statistical analysis. The system has functions such as three-dimensional flight display, real-time trajectory tracking, and signal detection.
本文研究了基于频谱和信号解码的ADS-B信号监控。首先,一台接收机采集1089.5MHz -1090.5MHz频谱数据,另一台接收机解码ADS-B(自动相关监视-广播)无线电信号,获取飞机飞行高度、位置、速度等数据;其次,将数据存入数据库,对ADS-B频谱数据进行k-means聚类,判断是否有信号,并在ArcGIS Map上显示飞行轨迹。最后,搭建了一个火花实验系统对上述过程进行了验证。抓取国内携程网站的航班数据进行统计分析。该系统具有三维飞行显示、实时轨迹跟踪、信号检测等功能。
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引用次数: 0
Risk Rating of Infantile Hemangioma using Deep Learning 基于深度学习的婴幼儿血管瘤风险评估
B. Chen, G. Fu
Infantile hemangioma is one of the most common benign tumors, which appears in the early stages of life, most of which can be cured automatically, but some serious cases can threaten the normal growth and even life of the baby. Therefore, making timely and correct risk ratings for the status of hemangioma is extremely important for the treatment of patients. At present, this work is mainly done manually by pediatricians with high professional quality. This study proposes a deep learning-based method to rank infant hemangioma risk, which is divided into three levels: high risk, medium risk and low risk. This article describes a hemangioma risk classifier based on a convolutional neural network structure to achieve an assessment of the risk of hemangioma for auxiliary diagnosis. The challenge is how to achieve good classification on a relatively small data set, which contains 1032 images from 344 different patients. The final result is promising, according to the performance evaluation of the model, the accuracy on the test set reaches 90.85%.
婴儿血管瘤是最常见的良性肿瘤之一,出现在生命的早期阶段,大多数可以自动治愈,但一些严重的病例会威胁到婴儿的正常生长甚至生命。因此,及时、正确地对血管瘤的状态进行风险分级,对患者的治疗至关重要。目前,这项工作主要由具有较高专业素质的儿科医生手工完成。本研究提出了一种基于深度学习的婴儿血管瘤风险排序方法,将婴儿血管瘤风险分为高、中、低三个级别。本文描述了一种基于卷积神经网络结构的血管瘤风险分类器,实现了血管瘤风险评估辅助诊断。挑战在于如何在一个相对较小的数据集上实现良好的分类,该数据集包含来自344名不同患者的1032张图像。最终的结果是有希望的,根据模型的性能评价,在测试集上的准确率达到90.85%。
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引用次数: 1
Multiple-Exposure Fusion with Halo-Free Convolutional Neural Network 基于无光晕卷积神经网络的多曝光融合
Shiyong Xiong, Yang Yan, Ai-rong Xie
The dynamic range of the imaging device represents its ability to capture bright and dark targets in the scene. Limited by the hardware, the dynamic range of a single imaging will lead the loss of information like over-exposed or under-exposed, which makes the look and feel of the imaging result unsatisfactory. Although the dynamic range of imaging can be expanded through multi-exposure fusion, there is risk to produce artifacts such as halos. To address the above issue, an Anisotropic Convolutional Block based on convolutional neural networks is proposed, which can inhibit the halo among the edges with high contrast. At the same time, a fusion strategy based on image structure similarity and pixel intensity is proposed, which can improve the visual perception of imaging results. Experimental results prove that the proposed method can effectively improve the quality of high dynamic range imaging.
成像设备的动态范围代表了其捕捉场景中亮目标和暗目标的能力。由于硬件的限制,单次成像的动态范围会导致曝光过曝或曝光不足等信息的丢失,从而导致成像结果的观感不理想。虽然通过多曝光融合可以扩大成像的动态范围,但存在产生诸如光晕等伪影的风险。针对上述问题,提出了一种基于卷积神经网络的各向异性卷积块算法,该算法可以抑制高对比度边缘间的晕。同时,提出了一种基于图像结构相似度和像素强度的融合策略,提高了成像结果的视觉感知。实验结果表明,该方法能有效提高高动态范围成像质量。
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引用次数: 0
Research on Electronic Data Forensics Based on RAM 基于RAM的电子数据取证研究
Cong Wang, Yuancheng Zhao, Jianhu Dong
Electronic data forensics is the process of obtaining, preserving, analyzing and presenting evidence for computer invasion, destruction, fraud, attack and other criminal acts. Some key digital evidence of cybercrime exists in physical memory or stored in page exchange files, so memory forensics is an important part of electronic data forensics. This paper studies RAM-based electronic data forensics with the use of the memory forensics tool Volatility. By obtaining the memory data of real equipment, cloud computing, virtual machine or virtual devices, performing the extraction and analysis of process information, registry, network connection, strings, access records and other contents, and extracting the digital evidence related to network attack or network crime.
电子数据取证是为计算机入侵、破坏、欺诈、攻击和其他犯罪行为获取、保存、分析和提供证据的过程。一些网络犯罪的关键数字证据存在于物理内存中或存储在页面交换文件中,因此内存取证是电子数据取证的重要组成部分。本文利用内存取证工具波动性对基于ram的电子数据取证进行了研究。通过获取真实设备、云计算、虚拟机或虚拟设备的内存数据,对进程信息、注册表、网络连接、字符串、访问记录等内容进行提取和分析,提取与网络攻击或网络犯罪相关的数字证据。
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引用次数: 0
Research on Application and Development Trend of Multi-domain Cooperative Combat for Unmanned Combat Platform 无人作战平台多域协同作战应用及发展趋势研究
Pei Zhang, Chengye Zhang, Weilong Gai
Because unmanned combat platforms can enhance combat capabilities and expand combat areas, they can minimize casualties and can play an important role in wars. With the increasing application of unmanned combat platforms, the need for multi-domain coordinated operations in land, sea, and air has become prominent. The combat effectiveness of the traditional single-platform and single-area combat model is extremely limited and no longer meets the needs of warfare. Therefore, the unmanned combat platforms combat mode of the company has gradually developed from a single platform to a more flexible multi-platform cluster combat. How to achieve multi-domain coordinated operations of unmanned combat platforms in the air, ground, and sea is the key to achieve combat missions and enhance combat capabilities. This article defines the concept of multi-domain coordinated operations for unmanned combat platforms, and discusses the multi-domain coordinated operations of unmanned combat platforms. Research on the application and development trend of coordinated operations has important military strategic significance.
由于无人作战平台可以增强作战能力,扩大作战面积,可以最大限度地减少人员伤亡,在战争中发挥重要作用。随着无人作战平台应用的日益广泛,对海、陆、空多域协同作战的需求日益突出。传统的单平台、单区域作战模式的作战效能极其有限,已不能满足作战的需要。因此,该公司的无人作战平台作战模式逐渐从单一平台发展到更加灵活的多平台集群作战。无人作战平台如何实现空、地、海多域协同作战,是实现作战任务、提升作战能力的关键。定义了无人作战平台多域协同作战的概念,并对无人作战平台的多域协同作战进行了探讨。研究协同作战的应用和发展趋势具有重要的军事战略意义。
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引用次数: 2
期刊
2021 2nd International Symposium on Computer Engineering and Intelligent Communications (ISCEIC)
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