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2022 IEEE 2nd Conference on Information Technology and Data Science (CITDS)最新文献

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Neural Network Based Analysis of Terahertz Frequency Signal Propagation for B5G/6G Wireless Networks 基于神经网络的B5G/6G无线网络太赫兹信号传播分析
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914236
Djamila Talbi, Mohamed Amine Korteby, Zoltán Gál
Pico-cell based very high-speed wireless technologies require new medium access control mechanisms to provide top efficiency in the control plane. Beyond 5G and 6G wireless services are studied currently with synthetic data generated with special simulators. In this paper we used NS3 TeraSim tool to evaluate upload communication cases from mobile terminals to unique base station in different population and topology scenarios during 10 ms simulated time interval. Fractal based wavelet analysis is used to extract features of channel access in different simulation cases and classify them with recurrent neural network. The methodology utilized performs stable and unstable phases of the new IEEE pre-standard mechanism called Adaptive Directional Antenna Protocol for THz.
基于微蜂窝的超高速无线技术需要新的介质访问控制机制来提供控制平面的最高效率。目前对5G和6G以上无线服务的研究是通过特殊模拟器生成的合成数据进行的。本文采用NS3 TeraSim工具,在10 ms模拟时间间隔内,对不同人群和拓扑场景下移动终端到独特基站的上传通信案例进行了评估。基于分形的小波分析提取了不同仿真情况下的通道接入特征,并用递归神经网络进行分类。所使用的方法执行新的IEEE预标准机制的稳定和不稳定阶段,称为太赫兹自适应定向天线协议。
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引用次数: 1
Greedy algorithm for edge-based nested community detection 基于边缘嵌套社区检测的贪心算法
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914051
Imre Gera, András London, András Pluhár
We propose an edge-based community detection algorithm that finds nested communities of a given graph. The communities are defined as the subgraphs induced by the edges of the same label and these edges together fulfill the property of network nestedness. Our method compares only possibly nested pairs of nodes and assigns all their edges to either common or different communities, realizing nested subgraphs. Finally, the algorithm removes superfluous communities in a post-processing step. We inspect the algorithm’s performance on a set of host-parasite networks and show the correlation between mean community size and the discrepancy nestedness measure. Since the algorithm’s performance is adjustable through a threshold parameter, we also investigate the effects of the parameter on the number of iterations and the obtained community structure.
我们提出了一种基于边缘的社区检测算法,该算法可以找到给定图的嵌套社区。团体被定义为由同一标签的边所引出的子图,这些边共同满足网络的巢性。我们的方法只比较可能嵌套的节点对,并将它们的所有边分配给共同或不同的社区,实现嵌套子图。最后,该算法在后处理步骤中去除多余的社团。我们在一组宿主-寄生虫网络上检验了算法的性能,并展示了平均群落大小与差异巢度度量之间的相关性。由于该算法的性能可以通过阈值参数进行调整,因此我们还研究了阈值参数对迭代次数和获得的社区结构的影响。
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引用次数: 1
Fractals and Wavelets Based Energy Analysis of Cost-Balanced LEACH Sensor Network 基于分形和小波的成本平衡LEACH传感器网络能量分析
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914383
Mohamed Amine Korteby, Djamila Talbi, Zoltán Gál
Wireless Sensor Networks(WSNs) have made significant strides in recent years owing to their growth in terms of equipment and cost reduction. Several protocols have been designed, based on the application and network architecture. The LEACH (Low Energy Adaptive Clustering Hierarchy) mechanism is one of the most energy-efficient solutions in WSN environments. This hierarchical protocol aggregates and forwards data from cluster members to a fixed sink node using the cluster head feature of the nodes. We propose a new family of routing mechanisms called CB-LEACH by introducing movement possibility to the sink node and balancing the cluster head election decision based on the distances between the nodes and on the remaining energy of the potential cluster head candidates. We introduced the Hausdorff dimension, memory exponent, and common metric of fractality metrics to characterize the new routing mechanism It is proven that these metrics can highlight the most important features of the newly proposed CB-LEACH system
近年来,无线传感器网络(wsn)由于其在设备和成本降低方面的增长而取得了重大进展。根据应用和网络结构,设计了几种协议。低能量自适应聚类层次(LEACH)机制是无线传感器网络环境中最节能的解决方案之一。这种分层协议使用节点的簇头特性将来自集群成员的数据聚合并转发到固定的汇聚节点。我们提出了一种新的路由机制,称为CB-LEACH,它将移动可能性引入汇聚节点,并基于节点之间的距离和潜在簇头候选人的剩余能量来平衡簇头选举决策。我们引入了Hausdorff维数、内存指数和分形度量的公共度量来描述新的路由机制,并证明这些度量可以突出新提出的CB-LEACH系统的最重要特征
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引用次数: 0
Acoustic sensor with four microphones for a network used in monitoring 带有四个麦克风的声学传感器,用于监测网络
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914358
O. Pop, C. Rusu
In this paper we shall present some results about the operation of an acoustic sensor previously proposed. Our intention for the acoustic sensor is to be used in a remote geographic monitoring system. The sensor consists of four microphones arranged in four directions, aligned after the four cardinal points. It has previously been shown that the mechanical and acoustic structure allows the determination of the angle of arrival of sound waves generated by a sound source and in some cases the identification of the sound source after a specific signal processing. We shall discuss the processing and storage of audio data in a cloud and estimate the operation of the sensor in depth in natural areas.
在本文中,我们将介绍一些关于先前提出的声学传感器的工作结果。我们的声学传感器的目的是用于远程地理监测系统。传感器由四个麦克风组成,四个麦克风按四个方向排列,在四个基准点后对齐。先前已经表明,机械和声学结构允许确定声源产生的声波的到达角度,并且在某些情况下,经过特定的信号处理后可以识别声源。我们将讨论音频数据在云中的处理和存储,并估计传感器在自然区域的深度操作。
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引用次数: 0
Deep learning-based anomaly detection for imaging in autonomous vehicles 基于深度学习的自动驾驶汽车成像异常检测
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914092
Tibor Péter Kapusi, Laszlo Kovacs, A. Hajdu
Autonomous driving and self-driven vehicles have become among the most pursued research areas in recent years. Nowadays, various driving tasks can be solved by applying the newest machine learning techniques such as line tracking, traffic sign recognition, automated speed adjustment, and parking. However, difficult visual conditions and anomalies can cause problems in selected algorithms, which may occur unexcepted and failure operations in these cases. It is also expected not just very expensive to do such kinds of experiments, but these problematic conditions are also lead to dangerous traffic situations at the same time. We made an effort to put these kinds of studies into a cost-effective and safe model-scale environment. This paper introduces an anomaly detection method capable of recognizing abnormal and burnt-out objects in image scenes. Our proposed method is based on a fast neural network architecture using YOLO layers to detect regions. Our experiments demonstrate the capabilities and detection accuracy of the designed neural network, called anomalyNet, with the complete training and evaluation process. In the study, we work with publicly available datasets, but our model-sized track and DAVE (University of Debrecen Autonomous VehiclE) play an important role also.
自动驾驶和自动驾驶汽车已成为近年来最受追捧的研究领域之一。如今,各种驾驶任务可以通过应用最新的机器学习技术来解决,例如路线跟踪、交通标志识别、自动调速、停车。然而,困难的视觉条件和异常可能会导致所选择的算法出现问题,在这些情况下可能会出现意外和失败的操作。人们不仅认为做这样的实验非常昂贵,而且这些有问题的条件同时也会导致危险的交通状况。我们努力将这类研究纳入成本效益高且安全的模型规模环境中。本文介绍了一种能够识别图像场景中异常物体和烧毁物体的异常检测方法。我们提出的方法是基于快速神经网络架构,使用YOLO层来检测区域。我们的实验证明了所设计的神经网络的能力和检测精度,称为anomalyNet,具有完整的训练和评估过程。在这项研究中,我们使用了公开可用的数据集,但我们的模型大小的轨道和DAVE(德布勒森大学自动驾驶汽车)也发挥了重要作用。
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引用次数: 0
Predicting the direction of the oil price trend using sentiment analysis 利用情绪分析预测油价走势方向
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914158
Róbert Lakatos, G. Bogacsovics, A. Hajdu
In this paper, we present a natural text processing model for predicting the price of exchange-traded products based on machine learning and general statistics. With the help of our model, we are forecasting the trend of one of the most important energy, the oil prices daily basis from tweets. The backbone of our model consists of transformer-based techniques in a recurrent neural network framework with corresponding hyperparameter optimization. The essence of our solution is to use the sentiment characteristics and vocabulary that can be extracted from the tweeter news. We have found that some of the news sources have better correlated to the oil price change which observation was used to refine the training corpus. Furthermore, we have applied noise filtering by removing the insignificant words from the textual information. In this way, we have generated a data source from which the sentiment values showed a high-precision correlation of 84.08% with the true direction of the oil price.
在本文中,我们提出了一个基于机器学习和一般统计的自然文本处理模型,用于预测交易所交易产品的价格。在我们的模型的帮助下,我们正在预测最重要的能源之一的趋势,每天从推特上的油价。我们的模型的主干是在递归神经网络框架中基于变压器的技术,并具有相应的超参数优化。我们的解决方案的本质是使用可以从推特新闻中提取的情感特征和词汇。我们发现一些新闻来源与油价变化有更好的相关性,我们使用观察来改进训练语料库。此外,我们还通过去除文本信息中不重要的单词来进行噪声滤波。通过这种方式,我们生成了一个数据源,从中情绪值与油价的真实方向显示出84.08%的高精度相关性。
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引用次数: 1
Sensor design and integration into small sized autonomous vehicle 小型自动驾驶汽车传感器设计与集成
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914037
László Kovács, Dávid Baranyai, Tamás Girászi, T. Majoros, Ádám Kovács, Máté Vágner, Dénes Palkovics, T. Bérczes
Autonomous vehicles use several different kinds of sensors to get information about the surrounding area. With sensors and artificial intelligence, the autonomous vehicle tries to find the optimal decision as close as possible to the appropriate behavior. Because of the huge amount of data, the usage of modern machine learning and data-driven approaches is necessary. Although computing big data is not easily handled especially onboard a vehicle, the critical mass of the diverse data generated from different sources is essential. In the field of autonomous vehicles, there have not been standards yet, but the range of applied sensors is well-known. Most systems use a combination of cameras, radar, and LIDAR (Light Detection and Ranging) sensors that transmit data to a central computer that detects the environment around the car. Self-driving development could be supported with model-sized self-driving vehicles because of the complexity of the area. The development of autonomous vehicles consists of security, communication, and data processing issues. Mistakes are increasing the risks of potential accidents. The realistic environment which can be simulated or built makes it possible that the learned behavior can be carried across the platforms while the differences in the sizes are not playing an important role in the matter of learning. The previous reason causes the model-size self-driving development to be more cost-effective. In our work, we developed a self-driving model car with different types of sensors. Measurement data from them can be used to improve the self-driving capabilities of the vehicle.
自动驾驶汽车使用几种不同类型的传感器来获取周围区域的信息。有了传感器和人工智能,自动驾驶汽车会试图找到尽可能接近适当行为的最佳决策。由于数据量巨大,使用现代机器学习和数据驱动方法是必要的。虽然计算大数据并不容易处理,尤其是在车辆上,但从不同来源产生的各种数据的临界质量是必不可少的。在自动驾驶汽车领域,目前还没有标准,但传感器的应用范围是众所周知的。大多数系统使用摄像头、雷达和LIDAR(光探测和测距)传感器的组合,这些传感器将数据传输到检测汽车周围环境的中央计算机。由于该地区的复杂性,可以使用模型大小的自动驾驶汽车来支持自动驾驶开发。自动驾驶汽车的开发包括安全、通信和数据处理等问题。错误增加了潜在事故的风险。可以模拟或构建的现实环境使得学习行为可以跨平台进行,而尺寸的差异在学习问题中不起重要作用。前一个原因导致模型大小的自动驾驶开发更具成本效益。在我们的工作中,我们开发了一辆自动驾驶汽车模型,配备了不同类型的传感器。它们的测量数据可用于提高车辆的自动驾驶能力。
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引用次数: 0
Image sensor based steering signal for a digital actuator system 基于图像传感器的数字舵机系统转向信号
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914116
Arpad Pandy, Dávid-Gyula Kun, Laszlo Kovacs, Gábor Vasváry, Zoltán Pánti, A. Hajdu
Autonomous driving is an emerging field of research. The related industry is one of the most expensive areas nowadays. The core of these complex controlling systems is the perception of the environment and the usage of actuators for changing supported by sensors to give obvious feedback about the change of state. Steering controlling is such a subsystem. In the real-sized modern car, there are several methods for implementing feedback loops for it, such as torque and angle sensors. In this paper, we concentrate on extending our model-based research and development autonomous vehicle platform – DAVE to be able to study the hard conditions safely and cost-effectively. This work presents a method for a new sensor signal integrated into our CAN-BUS system to give feedback about the steering movement of the wheels to a digital steering controller using a rear-view camera. The advantage of using a rear-view blind-spot camera is that it is already in place, and no additional hardware is needed to use it as a pseudo angle sensor.
自动驾驶是一个新兴的研究领域。相关产业是当今最昂贵的领域之一。这些复杂控制系统的核心是对环境的感知和使用由传感器支持的执行器来对状态的变化给出明显的反馈。转向控制就是这样一个子系统。在实际尺寸的现代汽车中,有几种方法可以实现反馈回路,如扭矩和角度传感器。在本文中,我们专注于扩展我们基于模型的研发自动驾驶汽车平台DAVE,使其能够安全、经济地研究恶劣条件。这项工作提出了一种新的传感器信号集成到我们的CAN-BUS系统中,通过后视摄像头向数字转向控制器反馈车轮转向运动的方法。使用后视盲点摄像头的优点是它已经就位,不需要额外的硬件来将其用作伪角度传感器。
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引用次数: 1
Towards an in-network GPU-accelerated packet processing framework 一个网络内gpu加速包处理框架
Pub Date : 2022-05-16 DOI: 10.1109/CITDS54976.2022.9914271
Péter Vörös, Dávid Kis, P. Hudoba, Gergely Pongrácz, S. Laki
Software-defined networking and data-plane programmability have opened up the possibilities for switches to be used for novel applications that are different than simple packet forwarding. Various tasks from low-level robot control to signal and data processing can be offloaded to network devices. In the past years, solutions exploiting programmable switching ASIC, FPGA or the combination of both have emerged. In this paper, we propose a GPU-accelerated switch design for supporting payload processing tasks in the network. The proposed design combines the processing capabilities of GPUs and the kernel-bypass library DPDK. We define different image processing use cases that can benefit from in-network computing, allowing execution without the need for an external server. The proposed method cannot only make the overall system performance better, but also reduce the power consumption since it requires less hardware elements. We evaluate and compare three models: Traditional external server with GPU in the local network, DPDK accelerated version of the previous model and the proposed GPU-accelerated in-network computing switch model. We investigate several benchmarks including both component-level and system-wide analysis. The examined use cases are related to video stream processing tasks like box blurring, Gaussian blurring and edge detection, demonstrating the performance improvement of our proposed design.
软件定义的网络和数据平面可编程性为交换机提供了用于不同于简单数据包转发的新应用程序的可能性。从低级机器人控制到信号和数据处理的各种任务都可以卸载到网络设备上。在过去的几年里,利用可编程开关ASIC、FPGA或两者结合的解决方案已经出现。在本文中,我们提出了一种gpu加速交换机设计,以支持网络中的负载处理任务。该设计结合了gpu的处理能力和内核旁路库DPDK。我们定义了不同的图像处理用例,这些用例可以从网络内计算中获益,允许在不需要外部服务器的情况下执行。该方法不仅提高了系统的整体性能,而且由于需要较少的硬件元件而降低了功耗。我们评估和比较了三种模型:本地网络中带有GPU的传统外部服务器模型、先前模型的DPDK加速版本和所提出的GPU加速网络内计算交换机模型。我们研究了几个基准测试,包括组件级和系统范围的分析。研究的用例与视频流处理任务相关,如盒模糊、高斯模糊和边缘检测,展示了我们提出的设计的性能改进。
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引用次数: 0
CITDS 2022 Cover Page CITDS 2022封面页
Pub Date : 2022-05-16 DOI: 10.1109/citds54976.2022.9914195
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引用次数: 0
期刊
2022 IEEE 2nd Conference on Information Technology and Data Science (CITDS)
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