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2022 14th International Conference on Advanced Computational Intelligence (ICACI)最新文献

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Age of Information optimization with Heterogeneous UAVs based on Deep Reinforcement Learning 基于深度强化学习的异构无人机信息优化时代
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837720
Luan Shi, Xiao Zhang, Xin Xiang, Yu Zhou, Shilong Sun
Recent years have witnessed increasingly more Unmanned Aerial Vehicle (UAV) applications for data collection in the Internet of Things (IoT). Due to the limited energy and service capacity, it is very challenging for a single UAV to accomplish the data collection while guaranteeing the information freshness of IoT devices or sensor nodes (SNs). In practice, different types of UAVs may have different energy capabilities. In this paper, we propose a more practical heterogeneous UAV swarm path planning problem for optimizing the information freshness, in which the division and cooperation among UAVs with different energy capacities have been taken into consideration. The freshness, i.e., age of information (AoI) collected from each SN is characterized by the data uploading time and the time elapsed since the UAV leaves this SN. We successfully present a deep reinforcement learning algorithm based on attention mechanism by end-to-end training to optimize the average age under UAVs’ energy constraints. The simulation results show that our algorithm has fast convergence, high optimization capability and reliability, and can solve the heterogeneous UAV swarm cooperative AoI optimization problem effectively.
近年来,越来越多的无人机(UAV)应用于物联网(IoT)的数据收集。由于能量和服务能力的限制,单架无人机在保证物联网设备或传感器节点信息新鲜度的情况下完成数据采集是非常具有挑战性的。在实践中,不同类型的无人机可能具有不同的能量能力。为了优化信息新鲜度,本文提出了一种更实用的异构无人机群路径规划问题,该问题考虑了不同能量能力无人机之间的划分与协作。从每个SN收集的新鲜度,即信息年龄(AoI)以数据上传时间和无人机离开该SN的时间为特征。通过端到端训练,提出了一种基于注意机制的深度强化学习算法,用于优化无人机能量约束下的平均机龄。仿真结果表明,该算法收敛速度快,优化能力强,可靠性高,能有效解决异构无人机群协同AoI优化问题。
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引用次数: 4
Neuro-adaptive Containment of Uncertain Complex Cyber Physical Networks with Directed Topology 具有有向拓扑的不确定复杂网络物理网络的神经自适应约束
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837620
Huanhuan Tian, Peijun Wang, Shuai Wang
This paper studies the containment problem for complex cyber-physical networks (CCPNs) subject to parameter uncertainties and external disturbances. By using the neural network (NN) approximation theory, a continuous neuro-adaptive containment controller is designed, where the NN adaptive law is used to adjust the NN weights and the other adaptive laws are used to adjust the network coupling strengths. And we prove that the containment error is uniformly ultimately bounded (UUB) if the graph among followers is detailed balanced and for each follower, there exists at least one leader has a directed path to it. As the containment criteria depend only on local information, the achieved containment is fully distributed. A favourable property of the containment controller is chattering free since it is continuous. Finally, the theoretical result is validated by numerical simulation.
研究了具有参数不确定性和外部干扰的复杂信息物理网络(ccpn)的约束问题。利用神经网络逼近理论,设计了一种连续神经自适应约束控制器,其中神经网络自适应律用于调节神经网络权值,其他自适应律用于调节网络耦合强度。并证明了如果follower之间的图是详细平衡的,并且对于每个follower,至少存在一个leader有指向它的路径,则包容误差是一致最终有界的。由于遏制标准仅依赖于局部信息,因此实现的遏制是完全分布式的。容器控制器的一个有利特性是无抖振,因为它是连续的。最后,通过数值模拟验证了理论结果。
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引用次数: 0
Text modality enhanced based deep hashing for multi-label cross-modal retrieval 基于文本模态增强的深度哈希多标签跨模态检索
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837775
Huan Liu, Jiang Xiong, Nian Zhang, Jing Zhong
In the past few years, due to the strong feature learning capability of deep neural networks, deep cross-modal hashing (DCMHs) has made considerable progress. However, there exist two problems in most DCMHs methods: (1) most extisting DCMHs methods utilize single labels to calculate the semantic similarity of instances, which overlooks the fact that, in the field of cross-modal retrieval, most benchmark datasets as well as practical applications have multiple labels. Therefore, single labels based DCMHs methods cannot accurately calculate the semantic similarity of instances and may decrease the performance of the learned DCMHs models. (2) Most DCMHs models are built on the image-text modalities, nevertheless, as the initial feature space of the text modality is quite sparse, the learned hash projection function based on these sparse features for the text modality is too weak to map the original text into robust hash codes. To solve these two problems, in this paper, we propose a text modality enhanced based deep hashing for multi-label cross-modal retrieval (TMEDH) method. TMEDH firstly defines a multi-label based semantic similarity calculation formula to accurately compute the semantic similarity of cross-modal instances. Secondly, TMEDH introduces a text modality enhanced module to compensate the sparse features of the text modality by fuse the multi-label information into the features of the text. Extensive ablation experiments as well as comparative experiments on two cross-modal retrieval datasets demonstrate that our proposed TMEDH method achieves state-of-the-art performance.
在过去的几年里,由于深度神经网络强大的特征学习能力,深度跨模态哈希(deep cross-modal hash, DCMHs)取得了长足的进步。然而,大多数DCMHs方法存在两个问题:(1)大多数现有的DCMHs方法使用单个标签来计算实例的语义相似度,忽略了在跨模态检索领域,大多数基准数据集和实际应用都有多个标签。因此,基于单标签的DCMHs方法不能准确地计算实例的语义相似度,可能会降低学习到的DCMHs模型的性能。(2)大多数DCMHs模型都是建立在图像-文本模态上的,然而,由于文本模态的初始特征空间非常稀疏,基于这些稀疏特征学习到的文本模态哈希投影函数太弱,无法将原始文本映射到鲁棒哈希码中。为了解决这两个问题,本文提出了一种基于文本模态增强的深度哈希多标签跨模态检索(TMEDH)方法。TMEDH首先定义了基于多标签的语义相似度计算公式,精确计算跨模态实例的语义相似度。其次,TMEDH引入文本模态增强模块,通过将多标签信息融合到文本特征中来补偿文本模态的稀疏特征;大量的烧蚀实验以及在两个跨模态检索数据集上的对比实验表明,我们提出的TMEDH方法达到了最先进的性能。
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引用次数: 1
Improved Lightweight DeepLabv3+ Algorithm Based on Attention Mechanism 基于注意机制的改进轻量级DeepLabv3+算法
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837577
Lin Wu, J. Xiao, Zhe Zhang
DeepLabv3+ has a wide range of applications in autonomous driving, geographic information systems, etc. However, its deployment on the mobile terminal faces a trade-off between model size and accuracy. Consecutive downsampling operations also result in a great loss of detail information. To solve these problems, this paper proposes an improved algorithm based on DeepLabv3+. Firstly, backbone is replaced by MobileNetv2 to reduce the size of the model; Secondly, the improved Atrous Spatial Pyramid Pooling module is proposed to augment the segmentation result while reducing the parameters. The performance is further ameliorated by applying attention mechanism; Finally, through refining decoder module, the proposed network makes up for lost detail information. Experiment shows that the algorithm achieves an mIoU of 73.31% on the validation set of the PASCAL VOC2012 dataset. Compared with typical algorithms, proposed algorithm has a better effect on trade-off between model size and accuracy.
DeepLabv3+在自动驾驶、地理信息系统等领域有着广泛的应用。然而,它在移动终端上的部署面临着模型尺寸和精度之间的权衡。连续的降采样操作也会导致大量细节信息的丢失。针对这些问题,本文提出了一种基于DeepLabv3+的改进算法。首先,用MobileNetv2代替主干,减小模型的尺寸;其次,提出了改进的空间金字塔池化模块,在减小分割参数的同时增强分割效果;注意机制的应用进一步改善了绩效;最后,通过对解码器模块的改进,弥补了网络中丢失的细节信息。实验表明,该算法在PASCAL VOC2012数据集的验证集上达到了73.31%的mIoU。与典型算法相比,该算法在模型大小和精度之间的权衡上有较好的效果。
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引用次数: 1
An Improved Superpixel-based Fuzzy C-Means Method for Complex Picture Segmentation Tasks 一种改进的基于超像素的模糊c均值方法用于复杂图像分割
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837508
Keyi Chen, Hangjun Che, Man-Fai Leung, Yadi Wang
Fuzzy c-means(FCM) has attracted wide attentions on picture segmentation as its fuzzy attribute matches the histogram distribution of a picture. However, the fuzzy c-means for the segmentation of a picture with massy noises is barely investigated. In this paper, an improved superpixel-based fuzzy c-means is proposed to segment a massy noise corrupted picture into more than two classes. Firstly, bilateral filtering is used to reduce the compact of noises and makes the picture smoother. Secondly an adaptive method is proposed to fuse the features of the original picture with filtered features. Thirdly simple linearly iterative clustering(SLIC) is used to detect the edge of the picture to avoid over-segmentation. Finally, the histogram-based fuzzy c-means is used to get the segmentation result. In the experiments, the results show the proposed method achieves a $0.004 sim 0.014$ higher mPA and $0.004 sim 0.06$ higher mIoU than other seven algorithms. Besides the segmentation results also show that the over-segmentation is reduced.
模糊c均值(FCM)由于其模糊属性与图像的直方图分布相匹配,在图像分割中受到了广泛的关注。然而,模糊c-均值在含大量噪声图像分割中的应用研究很少。本文提出了一种改进的基于超像素的模糊c均值方法,将大量噪声损坏的图像分割为两类以上。首先,采用双边滤波的方法减小噪声的紧凑性,使图像更加平滑。其次,提出了一种融合原始图像特征和滤波特征的自适应方法。第三,采用简单线性迭代聚类(SLIC)检测图像边缘,避免过度分割。最后,利用基于直方图的模糊c均值得到分割结果。实验结果表明,与其他7种算法相比,该方法的mPA和mIoU分别提高了$0.004 sim 0.014和$0.004 sim 0.06。此外,分割结果还表明,该方法减少了过度分割。
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引用次数: 1
Design of ADRC Controller for Induction Motor Based on Improved fal Function 基于改进fal函数的感应电机自抗扰控制器设计
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837544
Jinzhan Xie, Wen Wei, Pengcheng Liao, Jiahao Liu
Based on the induction motor vector control system, the active disturbance rejection controller (ADRC) technology is discussed. Based on the insufficient observation accuracy of the traditional nonlinear fal function, a new nonlinear normal distribution function ndfal function is constructed to redesign the ADRC controller, which is applied to the induction motor speed regulator, and the induction motor vector control system based on ndfal-ADRC speed control is designed, and the system is compared with the system based on traditional controller. The simulation results show that the control effect of the system based on ndfal ADRC is obviously better than the traditional control. It greatly improves the speed response speed and steady-state accuracy of the system, and has certain anti-interference performance and feasibility.
在异步电机矢量控制系统的基础上,研究了自抗扰控制器技术。针对传统非线性fal函数观测精度不足的问题,构造了一种新的非线性正态分布函数ndfal函数,重新设计了ADRC控制器,并将其应用于感应电机调速,设计了基于ndfal-ADRC速度控制的感应电机矢量控制系统,并与基于传统控制器的系统进行了比较。仿真结果表明,基于自抗扰控制器的系统控制效果明显优于传统控制。大大提高了系统的速度响应速度和稳态精度,具有一定的抗干扰性能和可行性。
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引用次数: 2
On Pinning Synchronization of an Array of Nonlinearly Coupled Dynamical Network With Time Delay 一类时滞非线性耦合动态网络阵列的钉住同步问题
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837612
Wudai Liao, Haoran Chen, Jinhuan Chen, YaoHua Yang, Jingyu Wang, Heng Jia
This short paper addresses the synchronization problem for a class of complex networks with time delays. In the model studied in this paper, the coupling of nodes is nonlinear, because many network nodes, the dynamic characteristics of complex, if only rely on the network itself, it is difficult to achieve synchronization. Aiming at this kind of complex network with time delay, we control some nodes of the network through pinning control, so that the state of the whole network nodes can achieve synchronization. In addition, we give the sufficient conditions for the synchronization of complex networks with time delays, and use Lyapunov function and inequality principle to carry out theoretical analysis. Finally, an example is presented to illustrate the effectiveness of the theoretical results.
本文研究了一类具有时滞的复杂网络的同步问题。在本文所研究的模型中,节点间的耦合是非线性的,由于网络节点众多,动态特性复杂,如果仅仅依靠网络本身,很难实现同步。针对这种具有时间延迟的复杂网络,我们通过钉住控制来控制网络中的部分节点,使整个网络节点的状态实现同步。此外,给出了具有时滞的复杂网络同步的充分条件,并利用Lyapunov函数和不等式原理进行了理论分析。最后,通过算例验证了理论结果的有效性。
{"title":"On Pinning Synchronization of an Array of Nonlinearly Coupled Dynamical Network With Time Delay","authors":"Wudai Liao, Haoran Chen, Jinhuan Chen, YaoHua Yang, Jingyu Wang, Heng Jia","doi":"10.1109/icaci55529.2022.9837612","DOIUrl":"https://doi.org/10.1109/icaci55529.2022.9837612","url":null,"abstract":"This short paper addresses the synchronization problem for a class of complex networks with time delays. In the model studied in this paper, the coupling of nodes is nonlinear, because many network nodes, the dynamic characteristics of complex, if only rely on the network itself, it is difficult to achieve synchronization. Aiming at this kind of complex network with time delay, we control some nodes of the network through pinning control, so that the state of the whole network nodes can achieve synchronization. In addition, we give the sufficient conditions for the synchronization of complex networks with time delays, and use Lyapunov function and inequality principle to carry out theoretical analysis. Finally, an example is presented to illustrate the effectiveness of the theoretical results.","PeriodicalId":412347,"journal":{"name":"2022 14th International Conference on Advanced Computational Intelligence (ICACI)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128156478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fixed-time Projective Synchronization For Discontinuous Fuzzy Inertial Neural Networks Via Non-reduced Method 基于非约简方法的不连续模糊惯性神经网络定时投影同步
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837526
Yang Liu, Guodong Zhang
In this paper, fixed-time projective synchronization (FXTPS) of discontinuous fuzzy inertial neural networks (FINNs) is explored. A class of FINNs with discrete and bounded distributed time-varying delays is proposed. Based on this model, a non-reduced approach is utilized to design an effective feedback control scheme. And sufficient conditions for FXTPS are established. Finally, a numerical example is used to verify the validity of the theoretical results obtained.
研究了不连续模糊惯性神经网络(FINNs)的定时投影同步问题。提出了一类具有离散有界分布时变时滞的finn。在此基础上,采用非约简方法设计了有效的反馈控制方案。建立了FXTPS的充分条件。最后,通过数值算例验证了理论结果的有效性。
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引用次数: 0
Pruner to Predictor: An Efficient Pruning Method for Neural Networks Compression 修剪器到预测器:一种有效的神经网络压缩修剪方法
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837622
Jiaxin Li, Xuan Rao, Songyi Xiao, Bo Zhao, Derong Liu
Channel pruning is an effective way for neural networks compression. However, traditional pruning methods based on rules and regularization usually depend on expert knowledge. Moreover, reinforcement learning and evolutionary algorithms-based pruning methods have low pruning efficiency and are time consuming. In this paper, an efficient pruning method named Pruner to Predictor (P2P) is developed. The pruner which consists of differentiable structural parameters generates a continuous representation of the neural network structure. The predictor which is constructed by neural networks predicts the performance of networks with different structures. As a result, the predictor maps the relationship between the network structure and the performance. Therefore, the gradient descent method is leveraged to optimize the pruner in an end to end manner, which achieves an effective and efficient neural network pruning. Experimental results on CIFAR10 and ImageNet show that the present P2P outperforms many previous state-of-the-art methods.
信道修剪是神经网络压缩的有效方法。然而,传统的基于规则和正则化的剪枝方法往往依赖于专家知识。此外,基于强化学习和进化算法的剪枝方法剪枝效率低且耗时长。本文提出了一种高效的剪枝方法——剪枝到预测器(Pruner to Predictor, P2P)。由可微结构参数组成的剪枝器生成神经网络结构的连续表示。由神经网络构造的预测器预测不同结构网络的性能。因此,预测器映射了网络结构和性能之间的关系。因此,利用梯度下降法对剪枝器进行端到端优化,实现了高效有效的神经网络剪枝。在CIFAR10和ImageNet上的实验结果表明,本文提出的P2P算法优于许多先前最先进的方法。
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引用次数: 4
State Estimation for Memristive Neural Networks with Observer 具有观测器的记忆神经网络状态估计
Pub Date : 2022-07-15 DOI: 10.1109/icaci55529.2022.9837560
Moxuan Guo, Song Zhu
This work explores state estimation considering Memristive Neural Networks (MNNs) with time-varying delays and bounded disturbances. Some sufficient conditions for algebraic criteria are derived from achieving exponential stability. Establishing two kinds of observers defined by two matrix multiplications, Hadamard product and matmul product, we obtain the estimation of state solutions such that the error system stability. Finally, the availability of the results is verified via a numerical simulation.
这项工作探讨了考虑时变延迟和有界干扰的记忆神经网络(MNNs)的状态估计。通过实现指数稳定性,得到了代数判据的几个充分条件。建立由两个矩阵乘法定义的两类观测器,即Hadamard积和matl积,得到了使误差系统稳定的状态解估计。最后,通过数值模拟验证了所得结果的有效性。
{"title":"State Estimation for Memristive Neural Networks with Observer","authors":"Moxuan Guo, Song Zhu","doi":"10.1109/icaci55529.2022.9837560","DOIUrl":"https://doi.org/10.1109/icaci55529.2022.9837560","url":null,"abstract":"This work explores state estimation considering Memristive Neural Networks (MNNs) with time-varying delays and bounded disturbances. Some sufficient conditions for algebraic criteria are derived from achieving exponential stability. Establishing two kinds of observers defined by two matrix multiplications, Hadamard product and matmul product, we obtain the estimation of state solutions such that the error system stability. Finally, the availability of the results is verified via a numerical simulation.","PeriodicalId":412347,"journal":{"name":"2022 14th International Conference on Advanced Computational Intelligence (ICACI)","volume":"829 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133684388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
2022 14th International Conference on Advanced Computational Intelligence (ICACI)
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