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E-HFWN: Design and performance test of a communication and sensing integrated network for enhanced 5G mmWave E-HFWN:增强型5G毫米波通信和传感集成网络的设计和性能测试
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-07-01 DOI: 10.1016/j.array.2023.100289
Chaoyi Zhang , Zhangchao Ma , Xiangna Han , Jianquan Wang

Communication and sensing integrated networks (CSINs) refer to the ability of physical digital space perception and ubiquitous intelligent communication at the same time. These networks realize the perception and cooperative communication of multidimensional resources through the cooperative work of communication and sensing resources and have the ability of intelligent interaction and processing of new information flow. First, this study proposes the technical architecture of an enhanced CSIN (E-HFWN), studies its key technologies and performance indicators, and explains the air interface technology, including frame structure design, carrier aggregation, channel detection, physical skyline mapping, beamforming and management, resource allocation and scheduling. In the resource allocation scheme, an actor-critic reinforcement learning (RL) framework is used to divide the wireless resources. The goal is to maximize the amount of mutual information (MI) and minimize the end-to-end delay of the sensing terminal. Then, the performance of the E-HFWN is tested, including numerical simulation of wireless resource management, system peak rate, capacity, end-to-end delay and communication perception waveform sidelobe ratio. Finally, from the results of the E-HFWN index test, the E-HFWN is further enhanced on the basis of 5G mmWave. The enhanced sensing function can provide a priori information for the optimal and rapid scheduling of distributed computing power and provide richer data sources for artificial intelligence (AI) services and applications to enhance the robustness of the training model. The E-HFWN can contribute to the development of technologies related to 6G synaesthesia computing integrated networks, promote the consensus between academia and industry.

通信与传感集成网络是指同时具备物理数字空间感知和泛在智能通信的能力。这些网络通过通信和传感资源的协同工作,实现了对多维资源的感知和协同通信,具有智能交互和处理新信息流的能力。首先,本研究提出了增强型CSIN(E-HFWN)的技术架构,研究了其关键技术和性能指标,并解释了空中接口技术,包括帧结构设计、载波聚合、信道检测、物理天际线映射、波束形成和管理、资源分配和调度。在资源分配方案中,使用行动者-评论家强化学习(RL)框架来划分无线资源。目标是最大化互信息量(MI)并最小化感测终端的端到端延迟。然后,对E-HFWN的性能进行了测试,包括无线资源管理、系统峰值速率、容量、端到端延迟和通信感知波形旁瓣比的数值模拟。最后,从E-HFWN指数测试的结果来看,在5G毫米波的基础上进一步增强了E-HFWN。增强的感知功能可以为分布式计算能力的优化和快速调度提供先验信息,并为人工智能(AI)服务和应用提供更丰富的数据源,以增强训练模型的稳健性。E-HFWN可以为6G通感计算集成网络相关技术的发展做出贡献,促进学术界和工业界的共识。
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引用次数: 0
The study of the hyper-parameter modelling the decision rule of the cautious classifiers based on the Fβ 基于Fβ</ ml:m的谨慎分类器决策规则的超参数建模研究
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-07-01 DOI: 10.1016/j.array.2023.100310
A. Imoussaten
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引用次数: 0
Organically distributed sustainable storage clusters 有机分布的可持续存储集群
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.2139/ssrn.4266638
Paul W. Poteete
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引用次数: 0
Harmonizing motion and contrast vision for robust looming detection 协调运动和对比度视觉,实现鲁棒逼近检测
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.1016/j.array.2022.100272
Qinbing Fu , Zhiqiang Li , Jigen Peng

This paper presents a novel neural model of insect’s visual perception paradigm to address a challenging problem on detection of looming motion, particularly in extremely low-contrast, and highly variable natural scenes. Current looming detection models are greatly affected by visual contrast between moving target and cluttered background lacking robust and low-cost solutions. Considering the anatomical and physiological homology between preliminary visual systems of different insect species, this gap can be significantly reduced by coordinating motion and contrast neural processing mechanisms. The proposed model draws lessons from research progress in insect neuroscience, articulates a neural network hierarchy based upon ON/OFF channels encoding motion and contrast signals in four parallel pathways. Specifically, the two ON/OFF motion pathways react to successively expanding ON–ON and OFF–OFF edges through spatial–temporal interactions between polarity excitations and inhibitions. To formulate contrast neural computation, the instantaneous feedback normalization of preliminary motion received at starting cells of ON/OFF channels works effectively to suppress time-varying signals delivered into the ON/OFF motion pathways. Besides, another two ON/OFF contrast pathways are dedicated to neutralize high-contrast polarity optic flows when converging with motion signals. To corroborate the proposed method, we carried out systematic experiments with thousands of looming-square motions at varied grey scales, embedded in different natural moving backgrounds. The model response achieves remarkably lower variance and peaks more smoothly to looming motions in different natural scenarios, a significant enhancement upon previous works. Such robustness can be maintained against extremely low-contrast looming motion against cluttered backgrounds. The results demonstrate a parsimonious solution to stabilize looming detection against high input variability, analogous to insect’s capability.

本文提出了一种新的昆虫视觉感知范式的神经模型,以解决若隐若现运动检测方面的一个具有挑战性的问题,特别是在极低对比度和高度可变的自然场景中。当前的若隐若现检测模型在很大程度上受到运动目标和杂乱背景之间的视觉对比度的影响,缺乏稳健和低成本的解决方案。考虑到不同昆虫物种的初步视觉系统之间的解剖和生理同源性,可以通过协调运动和对比神经处理机制来显著减少这种差距。所提出的模型借鉴了昆虫神经科学的研究进展,阐明了基于ON/OFF通道的神经网络层次结构,该通道在四个平行路径中编码运动和对比度信号。具体而言,两个ON/OFF运动路径通过极性激发和抑制之间的空间-时间相互作用,对连续扩展的ON-ON和OFF-OFF边缘做出反应。为了公式化对比度神经计算,在ON/OFF通道的起始单元处接收到的初步运动的瞬时反馈归一化有效地抑制传递到ON/OFF运动路径中的时变信号。此外,另外两个ON/OFF对比度路径专用于在与运动信号会聚时中和高对比度极性光流。为了证实所提出的方法,我们对嵌入不同自然运动背景中的数千个不同灰度级的若隐若现的正方形运动进行了系统实验。模型响应在不同的自然场景中对若隐若现的运动实现了显著较低的方差和更平稳的峰值,这是对先前工作的显著增强。可以针对杂乱背景下的极低对比度的若隐若现运动来保持这种鲁棒性。结果证明了一种简单的解决方案,可以在高输入变异性的情况下稳定若隐若现的检测,类似于昆虫的能力。
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引用次数: 0
Nonlinear anisotropic diffusion methods for image denoising problems: Challenges and future research opportunities 图像去噪问题的非线性各向异性扩散方法:挑战与未来研究机会
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.1016/j.array.2022.100265
Baraka Maiseli

Nonlinear anisotropic diffusion has attracted a great deal of attention for its ability to simultaneously remove noise and preserve semantic image features. This ability favors several image processing and computer vision applications, including noise removal in medical and scientific images that contain critical features (textures, edges, and contours). Despite their promising performance, methods based on nonlinear anisotropic diffusion suffer from practical limitations that have been lightly discussed in the literature. Our work surfaces these limitations as an attempt to create future research opportunities. In addition, we have proposed a diffusion-driven method that generates superior results compared with classical methods, including the popular Perona–Malik formulation. The proposed method embeds a kernel that properly guides the diffusion process across image regions. Experimental results show that our kernel encourages effective noise removal and ensures preservation of significant image features. We have provided potential research problems to further expand the current results.

非线性各向异性扩散由于其能够同时去除噪声和保留语义图像特征而引起了人们的广泛关注。这种能力有利于多种图像处理和计算机视觉应用,包括医学和科学图像中包含关键特征(纹理、边缘和轮廓)的噪声去除。尽管基于非线性各向异性扩散的方法具有良好的性能,但其实际局限性在文献中很少讨论。我们的工作揭示了这些局限性,试图创造未来的研究机会。此外,我们还提出了一种扩散驱动的方法,与经典方法相比,该方法产生了更好的结果,包括流行的Perona–Malik公式。所提出的方法嵌入了一个内核,该内核正确地引导图像区域之间的扩散过程。实验结果表明,我们的内核有助于有效地去除噪声,并确保保留重要的图像特征。我们提供了潜在的研究问题,以进一步扩展当前的结果。
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引用次数: 0
Automatic optimization model of transmission line based on GIS and genetic algorithm 基于GIS和遗传算法的输电线路自动优化模型
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.2139/ssrn.4220612
Yuan Qin, Zhao Li, Jieyu Ding, Fei Zhao, Mingmeng Meng
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引用次数: 5
Automatic optimization model of transmission line based on GIS and genetic algorithm 基于GIS和遗传算法的输电线路自动优化模型
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.1016/j.array.2022.100266
Yuancun Qin , Zhaozheng Li , Jieyu Ding , Fei Zhao , Ming Meng

At present, the planning of transmission lines mainly relies on human decision-making and lacks intelligence. This paper combines the advantages of GIS in processing spatial data with the advantages of genetic algorithm to explore the optimization method of transmission line planning. The combination of GIS and genetic algorithm can minimize the interference of human factors and quickly solve the path planning problem of transmission lines. According to the theoretical model of genetic algorithm, this study constructs the transmission line optimization model based on genetic algorithm, and realizes the Add-ins plug-in development of the transmission line planning model based on genetic algorithm with the help of C # language. Taking 500 kV overhead transmission line about 150 km from Jiantang Substation (starting point) in Shangri-La County to Tai’ an Substation (ending point) in Lijiang as an example, two groups of experiments are designed under the conditions of considering traffic single factor and comprehensive multi-factor respectively. It is obtained that the path optimization effect of genetic algorithm is the best under the condition of comprehensive multi-factor, which proves the rationality and superiority of the model constructed in this study.

目前,输电线路的规划主要依靠人工决策,缺乏智慧。本文将GIS在处理空间数据方面的优势与遗传算法的优势相结合,探索输电线路规划的优化方法。GIS与遗传算法相结合,可以最大限度地减少人为因素的干扰,快速解决输电线路的路径规划问题。根据遗传算法的理论模型,构建了基于遗传算法的输电线路优化模型,并借助C#语言实现了基于遗传法的输电线路规划模型的插件开发。以香格里拉县建堂变电站(起点)至丽江泰安变电站(终点)约150km的500kV架空输电线路为例,分别在考虑交通单因素和综合多因素的条件下设计了两组试验。结果表明,在综合多因素条件下,遗传算法的路径优化效果最好,证明了本文构建的模型的合理性和优越性。
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引用次数: 0
Minimum number of scans for collagen fibre direction estimation using Magic Angle Directional Imaging (MADI) with a priori information 使用具有先验信息的魔角定向成像(MADI)估计胶原纤维方向的最小扫描次数
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.2139/ssrn.4252154
Harry Lanz, M. Ristic, K. Chappell, J. McGinley
Graphical Abstract Minimum Number of Scans for Collagen Fibre Direction Estimation Using Magic Angle Directional Imaging (MADI) with a priori Information
基于先验信息的幻角定向成像(MADI)用于胶原纤维方向估计的最小扫描次数
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引用次数: 0
LFR-Net: Local feature residual network for single image dehazing LFR-Net:用于单幅图像去雾的局部特征残差网络
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.1016/j.array.2023.100278
Xinjie Xiao, Zhiwei Li, Wenle Ning, Nannan Zhang, Xudong Teng

Previous learning-based methods only employ clear images to train the dehazing network, but some useful information such as hazy images, media transmission maps and atmospheric light values in datasets were ignored. Here, we propose a local feature residual network (LFR-Net) for single image dehazing, which is aimed at improving the quality of dehazed images by fully utilizing the information in the training dataset. The backbone of LFR-Net is structured by feature residual block and adaptive feature fusion model. Furthermore, to preserve more details for the recovered clear images, we design an adaptive feature fusion model that adaptively fuses shallow and deep features at each scale of the encoder and decoder. Extended experiments show that the performance of our LFR-Net outperforms the state-of-the-art methods.

以前基于学习的方法只使用清晰的图像来训练去雾网络,但忽略了数据集中的一些有用信息,如模糊图像、介质传输图和大气光值。在这里,我们提出了一种用于单图像去雾的局部特征残差网络(LFR-Net),旨在通过充分利用训练数据集中的信息来提高去雾图像的质量。LFR-Net的主干由特征残差块和自适应特征融合模型构成。此外,为了为恢复的清晰图像保留更多细节,我们设计了一个自适应特征融合模型,该模型在编码器和解码器的每个尺度上自适应地融合浅特征和深特征。扩展实验表明,我们的LFR-Net的性能优于最先进的方法。
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引用次数: 0
When quantum annealing meets multitasking: Potentials, challenges and opportunities 当量子退火遇上多任务处理:潜力、挑战与机遇
Q2 COMPUTER SCIENCE, THEORY & METHODS Pub Date : 2023-03-01 DOI: 10.1016/j.array.2023.100282
Tian Huang , Yongxin Zhu , Rick Siow Mong Goh , Tao Luo

Quantum computers have provided a promising tool for tackling NP hard problems. However, most of the existing work on quantum annealers assumes exclusive access to all resources available in a quantum annealer. This is not resource efficient if a task consumes only a small part of an annealer and leaves the rest wasted. We ask if we can run multiple tasks in parallel or concurrently on an annealer, just like the multitasking capability of a classical general-purpose processor. By far, multitasking is not natively supported by any of the existing annealers. In this paper, we explore Multitasking in Quantum Annealer (QAMT) by identifying the parallelism in a quantum annealer from the aspect of space and time. Based on commercialised quantum annealers from D-Wave, we propose a realisation scheme for QAMT, which packs multiple tasks into a quantum machine instruction (QMI) and uses predefined sampling time to emulate task preemption. We enumerate a few scheduling algorithms that match well with QAMT and discuss the challenges in QAMT. To demonstrate the potential of QAMT, we simulate a quantum annealing system, implement a demo QAMT scheduling algorithm, and evaluate the algorithm. Experimental results suggest that there is great potential in multitasking in quantum annealing.

量子计算机为解决NP难题提供了一种很有前途的工具。然而,大多数现有的量子退火器工作都假设对量子退火器中所有可用资源的独占访问。如果一个任务只消耗退火器的一小部分,而其余部分被浪费,那么这就不是资源效率。我们问我们是否可以在退火器上并行或并发运行多个任务,就像经典通用处理器的多任务处理能力一样。到目前为止,任何现有的退火器都不支持多任务处理。在本文中,我们通过从空间和时间的角度识别量子退火器中的并行性来探索量子退火器(QAMT)中的多任务。基于D-Wave的商业化量子退火器,我们提出了一种QAMT的实现方案,该方案将多个任务打包到量子机器指令(QMI)中,并使用预定义的采样时间来模拟任务抢占。我们列举了一些与QAMT匹配良好的调度算法,并讨论了QAMT中的挑战。为了展示QAMT的潜力,我们模拟了一个量子退火系统,实现了一个演示的QAMT调度算法,并对该算法进行了评估。实验结果表明,量子退火中的多任务处理具有很大的潜力。
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引用次数: 0
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