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2021 18th International Computer Conference on Wavelet Active Media Technology and Information Processing (ICCWAMTIP)最新文献

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Net Traffic Classification Based on GRU Network Using Sequential Features 基于序列特征的GRU网络流量分类
Chenyi Qiang, Li Ping, Amin Ul Haq, Liu He, Abdul Haq
Net traffic classification is the basis for providing various network services such as network security, network monitoring and Quality of Service (QoS) etc. Therefore, this field has always been a hot spot in academic and industrial research. Through proper data processing, the researcher said that it is possible to classify network flows through machine learning. Therefore, it is necessary to explore suitable processing methods and model structures. To our best knowledge, classification methods based on sequential feature learning are rarely discussed, so this paper proposes a model based on sequential features of net traffic. Different from the previous classification methods based on machine learning, the classification method based on GRU network focuses on exploring the sequential feature information of network traffic. This classification model based on deep learning is very suitable for big data processing. In terms of evaluation, we used the USTC-TFC2016 data set, compared with the basic model and previous methods, the experimental results show that: (1) the effectiveness of the sequential model for net traffic classification. (2) The sequential model has good performance in both accuracy and stability.
网络流分类是提供网络安全、网络监控和服务质量(QoS)等各种网络服务的基础。因此,该领域一直是学术界和产业界研究的热点。研究人员表示,通过适当的数据处理,可以通过机器学习对网络流进行分类。因此,有必要探索合适的处理方法和模型结构。据我们所知,基于顺序特征学习的分类方法很少被讨论,因此本文提出了一种基于网络流量顺序特征的分类模型。与以往基于机器学习的分类方法不同,基于GRU网络的分类方法侧重于挖掘网络流量的序列特征信息。这种基于深度学习的分类模型非常适合大数据处理。在评价方面,我们使用USTC-TFC2016数据集,与基本模型和之前的方法进行对比,实验结果表明:(1)序列模型对网络流量分类的有效性。(2)序列模型具有较好的精度和稳定性。
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引用次数: 1
System Diagnosis Framework for Sustaining the Operational Fidelity of a Radar System 维持雷达系统运行保真度的系统诊断框架
D. Kulevome, Wang Hong, Xue-gang Wang, Bernard M. Cobbinah, B. L. Y. Agbley, Qurratulain Safder
The ability of a system to operate within its acceptable range under various operating conditions is essential in determining its reliability. In this paper, a health management framework is developed for the continuous assessment and confidence in the operational fidelity of a given radar system. The complexity of such a system makes it challenging to implement a comprehensive prognostics and health management approach effectively. For this reason, the system is analyzed at the subsystem level to consider components' degeneration within each subsystem. In the proposed framework, sensors are used to collect relevant data from critical components for system diagnosis. Subsequent preprocessing and analysis can then be used in developing a degradation model and efficient decision-making process.
系统在各种工作条件下在其可接受范围内工作的能力是决定其可靠性的关键。在本文中,一个健康管理框架的发展,以持续评估和信心在一个给定的雷达系统的操作保真度。这种系统的复杂性使得有效地实施全面的预后和健康管理方法具有挑战性。因此,在子系统级别对系统进行分析,以考虑每个子系统中组件的退化。在提出的框架中,传感器用于从关键部件收集相关数据以进行系统诊断。随后的预处理和分析可用于开发退化模型和有效的决策过程。
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引用次数: 1
Investigating Vision Transformer Models for Low-Resolution Medical Image Recognition 研究用于低分辨率医学图像识别的视觉变形模型
Isaac Adjei-Mensah, Xiaoling Zhang, Adu Asare Baffour, Isaac Osei Agyemang, S. B. Yussif, B. L. Y. Agbley, Collins Sey
Vision Transformers use self-attention techniques to learn long-range spatial relations to focus on the relevant parts of an image. They have achieved state-of-the-art results in many computer vision tasks. Recently, some methods have to leverage Vision Transformer-based models to tackle tasks in medical imaging. However, Vision Transformer emphasizes the low-resolution features due to the repetitive downsamplings, which result in a loss or lack of detailed localization information, making it highly unfit for low-level image recognition. In this paper, we investigate the performance of Vision Transformer on low-level medical images and contrast it with convolutional neural networks. The experimental results show that Convolutional Neural Network outperforms the Vision Transformer-based models on all four datasets.
视觉变形器使用自关注技术来学习远程空间关系,以聚焦于图像的相关部分。他们在许多计算机视觉任务中取得了最先进的成果。最近,一些方法必须利用基于视觉变换的模型来解决医学成像中的任务。然而,Vision Transformer强调由于重复下采样而导致的低分辨率特征,这导致丢失或缺乏详细的定位信息,使其非常不适合低级图像识别。在本文中,我们研究了Vision Transformer在低水平医学图像上的性能,并将其与卷积神经网络进行了对比。实验结果表明,卷积神经网络在所有四种数据集上都优于基于视觉变换的模型。
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引用次数: 3
Protein-Ligand Binding Affinity Prediction Using Deep Learning 基于深度学习的蛋白质-配体结合亲和力预测
Abena Achiaa Atwereboannah, Wei-Ping Wu, Lei Ding, S. B. Yussif, Edwin Kwadwo Tenagyei
Protein-ligand prediction plays a key role in drug discovery. Nevertheless, many algorithms are over reliant on 3D structure representations of proteins and ligands which are often rare. Techniques that can leverage the sequence-level representations of proteins, ligands and pockets are thus required to predict binding affinity and facilitate the drug discovery process. We have proposed a deep learning model with an attention mechanism to predict protein-ligand binding affinity. Our model is able to make comparable achievements with state-of-the-art deep learning models used for protein-ligand binding affinity prediction.
蛋白质配体预测在药物发现中起着关键作用。然而,许多算法过于依赖蛋白质和配体的三维结构表示,这通常是罕见的。因此,需要能够利用蛋白质、配体和口袋的序列级表示的技术来预测结合亲和力并促进药物发现过程。我们提出了一个具有注意机制的深度学习模型来预测蛋白质与配体的结合亲和力。我们的模型能够与用于蛋白质配体结合亲和力预测的最先进的深度学习模型取得相当的成就。
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引用次数: 0
Superfine Desulfurization Gypsum can Improve the Strength of Cement Mortar 超细脱硫石膏可以提高水泥砂浆的强度
Chen Sijie, Qing Peijun, H. Mei, Xiong Yuting, Su Caijun, Liu Zhongyong, Qin Peiyun
Tens of millions of tons of desulfurized gypsum can be produced in China every year. Desulfurization gypsum is used as an admixture to replace part of cement in concrete. And the smaller the particle size of desulfurized gypsum, the better the mechanical properties of cement mortar. The compressive and flexural tests show that the cement mortar with 3% and 4% desulfurized gypsum has the best mechanical properties, and the mechanical properties of superfine desulfurized gypsum are better than those of direct desulfurized gypsum.
中国每年可生产数千万吨脱硫石膏。脱硫石膏是一种替代混凝土中部分水泥的掺合料。脱硫石膏的粒径越小,水泥砂浆的力学性能越好。压缩和弯曲试验表明,掺3%和4%脱硫石膏的水泥砂浆力学性能最好,超细脱硫石膏的力学性能优于直接脱硫石膏。
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引用次数: 0
Radar Signal Sorting Using Combined Residual and Recurrent Neural Network (CRRNN) 基于残差与递归神经网络的雷达信号分类
Abdulrahman Al-Malahi, Omar Almaqtari, W. Ayedh, B. Tang
Due to the density of the crowded electromagnetic environment nowadays and the complexity of modern radar signals, the performance of pulse repetition interval (PRI)-based sorting systems experience more deterioration than ever before. Such systems are considered unreliable when working in crowded circumstances, moreover, they require a long pulse stream and high signal-to-noise (SNR) ratio, which makes obtaining acceptable sorting accuracy a difficult task. In this paper, a new machine learning architecture, Combined Residual and Recurrent Neural Network (CRRNN), is proposed, where recurrent neural network (RNN) and residual neural network (ResNet) are incorporated to create an architecture which can be used to overcome the above-mentioned shortcomings of conventional sorting methods achieving more accuracy and stability. Separate ResNet and RNN models are investigated as well for comparison. Simulations are performed after discussion of the structure and the principle of work of each network architecture. Statistical results showing the high and reliable performance of the proposed method in different conditions are presented and discussed.
由于当今电磁环境的密集和现代雷达信号的复杂性,基于脉冲重复间隔(PRI)的分选系统的性能比以往任何时候都要差。这种系统在拥挤的环境下工作时被认为是不可靠的,而且它们需要长脉冲流和高信噪比,这使得获得可接受的分选精度成为一项困难的任务。本文提出了一种新的机器学习架构——残差与递归神经网络(CRRNN),该架构将递归神经网络(RNN)和残差神经网络(ResNet)结合在一起,可以克服传统排序方法的上述缺点,获得更高的准确性和稳定性。分别研究了ResNet和RNN模型,并进行了比较。在讨论了各个网络体系结构的结构和工作原理后,进行了仿真。统计结果显示了该方法在不同条件下的高可靠性能。
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引用次数: 0
Graph-Based Prototypical Network for Few-Shot Learning 基于图的少镜头学习原型网络
Gan Tao, Li Weichao, He Yanmin, Luo Yu
Few-shot learning (FSL) is a technique for learning new class concepts with a limited number of labeled samples, is a key step towards human-level intelligence. Among existing few-shot learning methods, prototypical network shows to be promising in solving the critical problem of overfitting. However, due to the simplicity of average operation in building the prototype representation for each class, the inter- and intra-class relationships among the samples in the support set are not fully exploited, resulting in deviation of the prototype representation from the true class distribution. In this paper, we propose graph-based prototypical network (GPN) model to overcome this problem. In GPN, a fully learnable message passing graph module is proposed to refine the feature embedding vector of each sample. The refined features are then fed into prototypical network to obtain the robust prototype representations of classes. According to experimental results, the proposed method achieves competitive classification accuracy against state-of-the-art ones.
少次学习(FSL)是一种利用有限数量的标记样本学习新类概念的技术,是实现人类智能的关键一步。在现有的小样本学习方法中,原型网络在解决过拟合的关键问题方面表现出了很大的潜力。然而,由于构建每个类的原型表示的平均运算简单,支持集中样本之间的类间和类内关系没有得到充分利用,导致原型表示与真实的类分布存在偏差。本文提出了基于图的原型网络(GPN)模型来克服这一问题。在GPN中,提出了一个完全可学习的消息传递图模块来细化每个样本的特征嵌入向量。将改进后的特征输入到原型网络中,得到类的鲁棒原型表示。实验结果表明,该方法在分类精度上与现有方法具有一定的竞争力。
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引用次数: 0
Pedestrian Detection and Tracking with Deep Mutual Learning 基于深度相互学习的行人检测与跟踪
Feng Xudong, Guo Xiaofeng, Kuang Ping, Liao Xianglong, Zhu Yalou
In the last decade, the application of pedestrian detection in computer vision has gradually increased, such as social distance detection in the epidemic era. In this paper, we improve the newly proposed YOLOv5 model, use the idea of deep mutual learning for training, compare the performance and accuracy of different parameters, and select a relatively good model. As for the application, after detecting an abnormal pedestrian or a designated pedestrian, we use the Deep SORT method to track the pedestrian via the pedestrian's ID. Experimental analysis shows that our model performs well in terms of mean average precision (mAP), total loss (TL), and frames per second (FPS).
近十年来,计算机视觉中行人检测的应用逐渐增多,比如流行病时代的社会距离检测。本文对新提出的YOLOv5模型进行改进,利用深度相互学习的思想进行训练,比较不同参数的性能和准确率,选择一个相对较好的模型。在应用中,在检测到异常行人或指定行人后,我们使用Deep SORT方法通过行人的ID对行人进行跟踪。实验分析表明,我们的模型在平均精度(mAP)、总损耗(TL)和每秒帧数(FPS)方面表现良好。
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引用次数: 0
Simulation Research on the Impact of Product Placement on Brand Trust in Mobile Communication Product-Harm Crisis 移动通信产品危害危机中植入式广告对品牌信任影响的仿真研究
Huang Ying, Deng Fumin, Chen Yujie
This research analyses the impact of product placement on brand trust in mobile communication product-harm crisis and establishes a conceptual model of how product placement affects brand trust based on perceived risk and relationship distance as mediators. Based on the Bass Diffusion Model, simulation is adopted to analyze the changing trend of the number of people corresponding to each variable after the crisis occurs and after product placement is added. The study found weak correlation between product placement and brand trust and strong correlation between the mediators and brand trust, which proves that there lies a suppression effect in the impact of product placement on brand trust in the situation.
本研究分析了移动通信产品危害危机中植入式广告对品牌信任的影响,建立了以感知风险和关系距离为中介的植入式广告影响品牌信任的概念模型。在Bass扩散模型的基础上,通过仿真分析危机发生和植入广告后,各变量所对应的人数变化趋势。研究发现,植入广告对品牌信任的影响呈弱相关,中介因素对品牌信任的影响呈强相关,证明植入广告在情境下对品牌信任的影响存在抑制作用。
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引用次数: 0
Immersive 4D Intelligent Interactive Platform Based on Deep Learning 基于深度学习的沉浸式4D智能交互平台
Huang Yonghao, Yan Qi, Wang Xiaofang
With the advent of the Internet era, the cost of realizing virtual characters has been greatly reduced. The high cost and low efficiency exhibited by traditional virtual technology can't meet social needs. People are seeking fast, convenient and accurate virtual character reproduction technology. Through researching the characteristics of the characters appearance, language habits, voice tone and so on, the research direction of this paper is to simulate and reshape voice and images, construct a cloud platform-based on user-side and client-side, and integrate deep learning, natural language processing, digital twins and other technologies to an immersive 4D intelligent interactive platform. The platform under in the form of application software provides integrated services of intelligent voice interaction and virtual character interaction. In the industrial diagnosis mode, the transition from traditional video retention and voice retention to a new intelligent voice recognition and simulation mode is realized.
随着互联网时代的到来,实现虚拟角色的成本大大降低。传统虚拟技术所表现出的高成本、低效率已经不能满足社会的需求。人们追求快速、方便、准确的虚拟人物复制技术。通过对人物外貌、语言习惯、语音语调等特征的研究,对语音和图像进行模拟重塑,构建基于用户端和客户端的云平台,将深度学习、自然语言处理、数字孪生等技术融合到一个沉浸式的4D智能交互平台。该平台以应用软件的形式提供智能语音交互和虚拟人物交互的综合服务。在工业诊断模式中,实现了从传统的视频保留和语音保留向智能语音识别和模拟新模式的过渡。
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引用次数: 0
期刊
2021 18th International Computer Conference on Wavelet Active Media Technology and Information Processing (ICCWAMTIP)
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