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2022 12th International Conference on Information Science and Technology (ICIST)最新文献

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A Multimodal Dataset for Gait Recognition in Different Terrains using Wearable Sensors 基于可穿戴传感器的不同地形步态识别多模态数据集
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926866
Mengxue Yan, Yan Zhao, Ming Guo, Haoyu Sun, Jianlong Qiu, Feng Zhao
Gait has been shown to be a profound movement in human activities, and gait recognition is a commonly used biometric recognition in recent years. Gait recognition based on wearable sensors has been involved in various application areas. Especially in the area of medical, gait research is an essential issue. The purpose of this paper is to provide a multimodal public dataset for use with gait recognition. The dataset is derived of data from wearable inertial sensors and ECG sensor. Both sensors provide easy-to-operate and low-cost data recording for gait recognition. The gait dataset is based on the data from 15 healthy adults whose lower limbs have neither been injured nor operated on in the past year. Unlike other well-known datasets in the literature, this dataset contains inertial data (built-in gyroscope, accelerometer, geomagnetic field sensor) recorded from the ankle, as well as ECG data from a cardiac sensor. In this paper, the 15 volunteers were asked to walk at their most comfortable pace in four different terrains and complete the test. These four kinds of terrains are: flat land, sand, grassland and blind road. In addition, in order to verify the effectiveness of this multimodal dataset, this paper uses deep learning to identify the gait patterns of four terrains, and the recognition rate reaches 82%.
步态已被证明是人类活动中一种深刻的运动,步态识别是近年来常用的生物特征识别方法。基于可穿戴传感器的步态识别已经涉及到各个应用领域。特别是在医学领域,步态研究是一个必不可少的问题。本文的目的是提供一个用于步态识别的多模态公共数据集。该数据集来源于可穿戴式惯性传感器和心电传感器的数据。这两种传感器都为步态识别提供了易于操作和低成本的数据记录。步态数据集基于15名健康成年人的数据,这些成年人的下肢在过去一年中既没有受伤也没有动过手术。与文献中其他知名数据集不同,该数据集包含从脚踝记录的惯性数据(内置陀螺仪,加速度计,地磁场传感器)以及来自心脏传感器的ECG数据。在这篇论文中,15名志愿者被要求以他们最舒适的速度在四个不同的地形中行走并完成测试。这四种地形分别是:平地、沙地、草原和盲道。此外,为了验证该多模态数据集的有效性,本文利用深度学习对四种地形的步态模式进行了识别,识别率达到82%。
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引用次数: 0
ER-MRL: Emotion Recognition based on Multimodal Representation Learning ER-MRL:基于多模态表示学习的情绪识别
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926848
Xiaoding Guo, Yadi Wang, Zhijun Miao, Xiaojin Yang, Jinkai Guo, Xianhong Hou, Feifei Zao
In recent years, emotion recognition technology has been widely used in emotion change perception and mental illness diagnosis. Previous methods are mainly based on single-task learning strategies, which are unable to fuse multimodal features and remove redundant information. This paper proposes an emotion recognition model ER-MRL, which is based on multimodal representation learning. ER-MRL vectorizes the multimodal emotion data through encoders based on neural networks. The gate mechanism is used for multimodal feature selection. On this basis, ER-MRL calculates the modality specific and modality invariant representation for each emotion category. The Transformer model and multihead self-attention layer are applied to multimodal feature fusion. ER-MRL figures out the prediction result through the tower layer based on fully connected neural networks. Experimental results on the CMU-MOSI dataset show that ER-MRL has better performance on emotion recognition than previous methods.
近年来,情绪识别技术在情绪变化感知和精神疾病诊断中得到了广泛的应用。以往的方法主要基于单任务学习策略,无法融合多模态特征和去除冗余信息。提出了一种基于多模态表示学习的情感识别模型ER-MRL。ER-MRL通过基于神经网络的编码器对多模态情绪数据进行矢量化。闸门机构用于多模态特征选择。在此基础上,ER-MRL计算每个情绪类别的情态特定表示和情态不变表示。将Transformer模型和多头自关注层应用于多模态特征融合。ER-MRL基于全连接神经网络,通过塔层计算预测结果。在CMU-MOSI数据集上的实验结果表明,ER-MRL在情绪识别方面比以往的方法有更好的性能。
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引用次数: 2
Theoretical Analysis of Value-Iteration-Based Q-Learning with Approximation Errors 具有近似误差的基于值迭代的q学习理论分析
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926794
Zhantao Liang, Mingming Ha, Derong Liu
In this paper, the value-iteration-based Q-Iearning algorithm with approximation errors is analyzed theoretically. First, based on an upper bound of the approximation errors caused by the Q-function approximator, we get the lower and upper bound functions of the iterative Q-function, which proves that the limit of the approximate Q-function sequence is bounded. Then, we develop a stability condition for the termination of the iterative algorithm, for ensuring that the current control policy derived from the resulting approximate Q-function is stabilizing. Also, we establish an upper bound function of the approximation errors, which is caused by the policy function approximator, to guarantee that the approximate control policy is stabilizing. Finally, the numerical results verifies the theoretical results with a simulation example.
本文对具有近似误差的基于值迭代的q学习算法进行了理论分析。首先,根据q函数逼近器引起的逼近误差的上界,得到了迭代q函数的下界和上界函数,证明了q函数序列的逼近极限是有界的。然后,我们建立了迭代算法终止的稳定性条件,以保证由近似q函数导出的当前控制策略是稳定的。建立了由策略函数逼近器引起的逼近误差的上界函数,保证了逼近控制策略的稳定性。最后,通过仿真算例对理论结果进行了验证。
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引用次数: 1
An Adaptive K-Nearest-Neighbor Approach for Predicting Chemical Composition Content in Soil 自适应k -最近邻法预测土壤化学成分含量
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926778
Yijun Zhao, Shaozhi Li, Mian Wang, Xiang Wan, Kun Xia
Land quality is evaluated according to the chemical composition content in soil. The geochemical evaluation of land quality can help users to determine how to use the land, e.g., dynamically manage land resources and adjust the pattern of farming. However, some chemical composition contents are missing in practice. It is necessary to predict the missing chemical composition content for the geochemical evaluation. This paper proposes an adaptive k-nearest-neighbor approach for predicting the chemical composition content in soil. The approach can adaptively determine the similarity between soil samples based on the characteristics of geological background, soil type, land use type and geographical position. According to the similarity, the proposed approach selects the k nearest neighbors of a sample and predicts the missing chemical composition content. The experimental results show that the proposed approach has better accuracy and stability than its competitors.
根据土壤中的化学成分含量来评价土地质量。土地质量地球化学评价可以帮助用户确定如何利用土地,如动态管理土地资源和调整耕作方式。但在实际应用中缺少一些化学成分的含量。在地球化学评价中,对缺失的化学成分含量进行预测是必要的。提出了一种预测土壤化学成分含量的自适应k近邻方法。该方法可以根据地质背景、土壤类型、土地利用类型和地理位置等特征自适应确定土壤样品之间的相似性。根据相似性,该方法选择样本的k近邻,并预测缺失的化学成分含量。实验结果表明,该方法具有更好的精度和稳定性。
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引用次数: 0
Deep Temporal Sequence Prediction Neural Network for MIMO Detection 用于MIMO检测的深度时序预测神经网络
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926790
Yiqing Zhang, Wei Zheng, J. Xue, Jianyong Sun
Recovering the transmitted signals in a multiple-input multiple-output (MIMO) system is known to be non-deterministic polynomial hard. It is extremely challenging to obtain a high-quality solution with fairly low computational complexity. To solve the MIMO detection problem effectively, this paper proposes to model it as a time series prediction problem, and a bidirectional temporal convolutional network (Bi- TCN) is designed to address it. In Bi- TCN, the encoder extracts the features of the received signal and the channel matrix by applying non-causal dilated convolution, and the decoder outputs the probability distribution of the recovered transmitted signal in parallel. In the experiments, we compare it with traditional and deep learning-based detectors on both i.i.d. and correlated Rayleigh fading channels, respectively. Experimental results empirically demonstrate that Bi- TCN can achieve near-optimal bit-error-rate (BER) performance with considerably low space complexity.
在多输入多输出(MIMO)系统中,传输信号的恢复是一个非确定性多项式问题。以相当低的计算复杂度获得高质量的解决方案是极具挑战性的。为了有效地解决MIMO检测问题,本文提出将其建模为一个时间序列预测问题,并设计了一个双向时间卷积网络(Bi- TCN)来解决该问题。在Bi- TCN中,编码器通过非因果展开卷积提取接收信号的特征和信道矩阵,解码器并行输出恢复的发射信号的概率分布。在实验中,我们分别在iid和相关瑞利衰落信道上与传统的和基于深度学习的检测器进行了比较。实验结果表明,双TCN可以在较低的空间复杂度下获得接近最优的误码率性能。
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引用次数: 0
Robust Self-Attention ConvLSTM-based Traffic Flow Prediction Model 基于鲁棒自注意卷积stm的交通流预测模型
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926853
Xueli Zhang, Wing W. Y. Ng, Ting Wang
Traffic flow forecasting has been receiving a lot of attention because of its important role in traffic control and management. Accurate traffic forecasting is critical to improving the performance of intelligent transportation systems. However, accurate traffic forecasting still faces the following challenges, including modeling the dynamics of traffic data along the temporal and spatial dimensions, significant differences in peak hour/peak hour traffic, and traffic flow data affected by partial noise. In this paper, we propose a hybrid and robust model with Self-Attention ConvLSTM networks and localized stochastic sensitive (LSS) for traffic flow prediction. The proposed model extracts features with long-range spatiotemporal dependencies with Self-Attention ConvLSTM. To further explore the long-term temporal features, we utilize LSTM module to extract daily and weekly periodic features as assistive features. The LSS reduces sensitivity to unseen samples around training samples and avoids large output fluctuations due to the noise or change of the data. Experiments on real traffic flow datasets show that the proposed method yields better prediction performance compared to other contrast methods.
交通流预测因其在交通控制和管理中的重要作用而受到人们的广泛关注。准确的交通预测是提高智能交通系统性能的关键。然而,准确的交通预测仍然面临着以下挑战:沿时间和空间维度建模交通数据的动态,高峰/高峰时段交通的显著差异,以及受部分噪声影响的交通流数据。本文提出了一种基于自关注卷积stm网络和局部随机敏感(LSS)的混合鲁棒交通流预测模型。该模型利用自注意卷积模型提取具有长时间时空依赖性的特征。为了进一步挖掘长期时间特征,我们利用LSTM模块提取日和周周期特征作为辅助特征。LSS降低了对训练样本周围看不见的样本的敏感性,避免了由于噪声或数据变化而产生的大的输出波动。在真实交通流数据集上的实验表明,该方法比其他对比方法具有更好的预测效果。
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引用次数: 0
Classification Algorithm of Logistics Packaging Based on Multi-scale Convolutional Neural Network 基于多尺度卷积神经网络的物流包装分类算法
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926919
Mengxiang Geng, Ming Guo, Jianlong Qiu, Yingchan Cao, Xiangyong Chen
The rapid development of economy and society has led to the rapid increase of the output of logistics outer packaging garbage. How to realize the classification and recycling of logistics packaging garbage by intelligent methods has become a key factor for human beings to achieve sustainable development. To solve this problem, this paper proposes an image recognition model of logistics packaging, which is a convolution neural network model based on multi-scale, and adds channel and spatial attention mechanism. The model uses multi-scale convolution to extract richer image features. The attention mechanism is used to adaptively adjust the parts that need to be focused on, and the feature extraction ability of the model is enhanced. Compared with the traditional manual sorting method, this paper uses the deep learning technology to intelligently and automatically classify the logistics outer packaging. The experimental results show that the classification accuracy of data sets can reach 96% by using the method of deep learning, which is very helpful to improve the classification efficiency of logistics outer packaging.
经济社会的快速发展,导致物流外包装垃圾的产量迅速增加。如何用智能化的方法实现物流包装垃圾的分类和回收利用,已成为人类实现可持续发展的关键因素。为了解决这一问题,本文提出了一种基于多尺度卷积神经网络的物流包装图像识别模型,并加入了通道和空间注意机制。该模型采用多尺度卷积提取更丰富的图像特征。利用注意机制自适应调整需要关注的部分,增强了模型的特征提取能力。与传统的人工分拣方法相比,本文采用深度学习技术对物流外包装进行智能自动分拣。实验结果表明,采用深度学习方法对数据集的分类准确率可达96%,对提高物流外包装的分类效率有很大帮助。
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引用次数: 0
An Event-Triggered Predictive Control for Weight Control System 体重控制系统的事件触发预测控制
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926926
Xuecheng Zhang, Xiaojie Qiu, Wenchao Meng, Yuliang Li, Lihong Zhang
In this paper, we deal with the weight control of cigarette production process, and we establish a system model with uncertainties and give an event-triggered predictive control algorithm. First, according to the actual situation in the production process, the corresponding relationship between the weight of the cigarette and the height of the leveling disc is established. The uneven distribution and uncertainty of the cut tobacco are taken into account in the model simultaneously. Secondly, a model predictive controller is designed, which can effectively reduce the weight error caused by detection lag, uneven distribution, and random density of cut tobacco. A prediction model and cost function for predicting the future weight of cigarettes are established, and the optimal control sequence is solved when the cost function is the smallest. Finally, considering the limited computing and communication resources of the controller, an event-triggered mechanism is introduced to effectively reduce the computing cost of the controller. Simulation results demonstrate the effectiveness of the proposed event-triggered predictive control method in the cigarette weight control system.
本文针对卷烟生产过程中的重量控制问题,建立了具有不确定性的系统模型,给出了一种事件触发的预测控制算法。首先,根据生产过程中的实际情况,建立卷烟重量与调平盘高度的对应关系。模型同时考虑了烟丝的不均匀分布和不确定性。其次,设计模型预测控制器,有效降低烟丝检测滞后、烟丝分布不均匀、烟丝密度随机等导致的权重误差;建立了预测香烟未来重量的预测模型和成本函数,并在成本函数最小时求出最优控制序列。最后,考虑到控制器的计算和通信资源有限,引入了事件触发机制,有效降低了控制器的计算成本。仿真结果验证了所提出的事件触发预测控制方法在卷烟重量控制系统中的有效性。
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引用次数: 0
A Novel Fuzzy Rule Based Neuro-system with Sparse Rule Extraction for Classification Problems 基于稀疏规则提取的模糊神经系统分类问题研究
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926893
Qilin Ren, Guang-Fu Xue, Xiaoling Gong, Jian Wang
The generation of fuzzy rule base and rule extraction are efficient approaches to enhance the performance of fuzzy rule system. Here, we propose a novel fuzzy neural network structure that can be used for rule extraction. First of all, inspired by the compactly combined fuzzy rule base (CoCo-FRB) and fully combined fuzzy rule base (FuCo-FRB), we develop a new fuzzy rule base, compromise fuzzy rule base (CmPm-FRB), which generates rules by cutting off the long rules and compensating the short ones. In addition, Group Lasso penalty is utilized in the objective function with the rule threshold to produce sparsity in rules in a grouped manner for rule extraction. However, as the Group Lasso penalty is not differentiable at the origin, a tiny bias term is added to the gradient formula to achieve the smoothness. In order to verify the effectiveness of the proposed model, extensive experiments are conducted on ten classification data sets. The empirical results explicitly demonstrate the effectiveness of the proposed model for classification problems.
模糊规则库的生成和规则提取是提高模糊规则系统性能的有效途径。在这里,我们提出了一种新的模糊神经网络结构,可以用于规则提取。首先,受紧凑组合模糊规则库(CoCo-FRB)和完全组合模糊规则库(FuCo-FRB)的启发,我们开发了一种新的模糊规则库,折衷模糊规则库(CmPm-FRB),它通过截断长规则和补偿短规则来生成规则。此外,在目标函数中利用分组Lasso惩罚和规则阈值,以分组的方式产生规则稀疏度,进行规则提取。但是,由于Group Lasso惩罚在原点处不可微,因此在梯度公式中加入一个微小的偏置项来实现平滑。为了验证所提出模型的有效性,在10个分类数据集上进行了大量的实验。实证结果明确地证明了该模型对分类问题的有效性。
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引用次数: 0
Attractivity Analysis for Recurrent Neural Networks with State-dependent External Input 具有状态依赖外部输入的递归神经网络的吸引性分析
Pub Date : 2022-10-14 DOI: 10.1109/ICIST55546.2022.9926830
Gang Baol, Kang Li, Zhenyan Song
This paper introduces a novel kind of discontinu-ous neural networks which are with state-dependent switching external input. The switched external input is defined as a step function with respect to state value. Firstly, we derive a sufficient condition for network state attractivity by dividing the state space according to the swithed external input function and the activation function. At last, one numerical example verifies our results.
本文介绍了一种具有状态依赖切换外部输入的新型不连续神经网络。被切换的外部输入被定义为关于状态值的阶跃函数。首先,根据变换后的外部输入函数和激活函数划分状态空间,得到网络状态吸引的充分条件;最后通过一个数值算例验证了我们的结果。
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引用次数: 0
期刊
2022 12th International Conference on Information Science and Technology (ICIST)
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