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2023 3rd International Conference on Consumer Electronics and Computer Engineering (ICCECE)最新文献

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A Low-power Bandgap Reference Voltage Source for Smart Grid Sensor System on Chip 芯片上智能电网传感器系统的低功耗带隙参考电压源
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135246
Changbao Xu, Mingyong Xin, Yulei Wang, Junfei Tang, Dehong Liu, Xiaowen Jiang
For smart grid sensor system-on-chips, traditional bandgap reference circuits have high power consumption, so low-power bandgap reference circuits must be designed that can meet their complex operating environments. This work designs a low-power bandgap reference voltage source for smart grid sensor system chips. Compared to traditional bandgap reference voltage sources, this design combines the high stability of the traditional BJT bandgap reference and the low power consumption characteristics of the sub-threshold bandgap reference, and they are controlled by a digital signal. In normal mode, only conventional BJT bandgap reference (main bandgap) works, and only the sub-threshold low-power bandgap reference (auxiliary bandgap) works in sleep mode. Realized in UMC 55nm ULP CMOS process, the normal mode power consumption is 65 µ W, the temperature coefficient (TC) is 7.7ppm/°C, and the PSRR is - 78dB; After switching to the sleep mode, the power consumption is 2.38 µ W with a TC 1.45ppm/°C. It provides a stable 1.2V reference voltage when the power supply voltage is 1.6V to meet the demand for stable power supply of the on-chip smart grid sensor system under complex working conditions.
对于智能电网传感器片上系统,传统的带隙参考电路功耗高,因此必须设计低功耗的带隙参考电路,以满足其复杂的工作环境。本文设计了一种用于智能电网传感器系统芯片的低功耗带隙参考电压源。与传统带隙参考电压源相比,本设计结合了传统BJT带隙参考电压源的高稳定性和亚阈值带隙参考电压源的低功耗特点,并采用数字信号控制。在正常模式下,只有传统的BJT带隙基准(主带隙)工作,在休眠模式下只有亚阈值低功耗带隙基准(辅助带隙)工作。采用UMC 55nm ULP CMOS工艺实现,正常模式功耗为65µW,温度系数(TC)为7.7ppm/°C, PSRR为- 78dB;切换到休眠模式后,功耗为2.38µW, TC为1.45ppm/°C。在供电电压为1.6V时提供稳定的1.2V参考电压,满足片上智能电网传感器系统在复杂工况下对稳定供电的需求。
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引用次数: 1
A Cross-layer Self-attention Learning Network for Fine-grained Classification 面向细粒度分类的跨层自关注学习网络
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135230
Jianhua Chen, Songsen Yu, Junle Liang
Fine-grained image classification refers to the more fine-grained sub-categories division based on the basic categories that have been divided. It has become a very challenging research task, due to the characteristics of data with large inter-class differences and small intra-class differences. This paper proposes a cross-layer self-attention (CS) network for learning refined discriminative image features across layers. The network consists of a backbone and a cross-layer self-attention module including three submodules, i.e., cross-layer channel attention, cross-layer space attention and feature fusion submodules. Cross-layer channel attention module can bring a channel self-attention by interacting information between low-layer and high-layer in convolutional networks and then load the channel self-attention into low-level to obtain finer low-level features. Cross-layer spatial attention module has similar effect and can obtain finer low level features in the spatial dimension. The feature fusion module fuses low-level features with high-level features where low-level features can be obtained through combining channel and spatial features. The experiments on three benchmark datasets show that the network based on backbone ResNet101 outperform the most mainstream models on the classification accuracy.
细粒度图像分类是指在已经划分的基本类别的基础上进行更细粒度的子类别划分。由于数据具有班级间差异大,班级内差异小的特点,这已经成为一项非常具有挑战性的研究任务。本文提出了一种跨层自注意(CS)网络,用于跨层学习精细的判别图像特征。该网络由主干网和跨层自关注模块组成,其中包括跨层通道关注、跨层空间关注和特征融合三个子模块。跨层通道注意模块通过卷积网络中低层与高层信息的交互,产生通道自注意,再将通道自注意加载到底层,获得更精细的底层特征。跨层空间注意模块具有类似的效果,可以在空间维度上获得更精细的低层特征。特征融合模块将低级特征与高级特征进行融合,通过通道特征与空间特征相结合得到低级特征。在三个基准数据集上的实验表明,基于骨干ResNet101的网络在分类精度上优于大多数主流模型。
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引用次数: 0
Real-time Monitoring of the Technical Status of General Equipment Based on Integrated Learning 基于集成学习的通用设备技术状态实时监控
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135358
Wei Zhang, Xiaowei Zhang, Wen Dong, Wenshi Wang, Yucai Dong
Giving full play to the advantages of the military Internet of Things and equipment cloud platform, using historical accumulated data and fusing multiple base classifiers and meta-classifiers, a Stacking model for generic equipment status monitoring is established, realizing real-time monitoring of equipment technical status, providing a data basis for accurate planning of security tasks and arranging maintenance activities at all levels, and providing technical support for equipment management and maintenance decisions.
充分发挥军事物联网和装备云平台的优势,利用历史积累数据,融合多基分类器和元分类器,建立通用装备状态监测的Stacking模型,实现对装备技术状态的实时监控,为精准规划安全任务、安排各级维护活动提供数据依据。并为设备管理和维修决策提供技术支持。
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引用次数: 0
Research on Dynamic Site Selection of Flexible Transit Considering Passenger Source Competition 考虑客源竞争的柔性交通动态选址研究
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135373
Qi Wang, Wen-hong Lv, Ge Gao, Guimin Gong
In order to reduce the travel of taxis and private cars and meet the personalized travel needs of passengers, a site selection method is proposed to avoid the conventional bus service area and compete for taxi customers. Flexible bus site selection includes fixed site selection and dynamic site selection. Firstly, 1000 points in the morning and evening peak periods of Shenzhen taxi track data were selected, and the theoretical fixed stations were obtained by using the clustering algorithm combined with DBSCAN and K-means. The service areas of conventional bus stations were marked to avoid the conventional bus passenger sources, and the location optimization from theoretical stations to actual stations was realized. Secondly, a dynamic site selection model aiming at minimizing the total cost of the system was constructed and solved by genetic algorithm. Finally, it is verified by an example. The results show that this method has good usability in avoiding the regular bus passenger source and competing with the taxi passenger source by taking the taxi data as the demand point and avoiding the service area of the regular station.
为了减少出租车和私家车的出行,满足乘客的个性化出行需求,提出了避开传统公交服务区,争夺出租车客源的选址方法。公交灵活选址包括固定选址和动态选址。首先选取深圳出租车轨道数据早高峰和晚高峰时段的1000个点,采用DBSCAN和K-means相结合的聚类算法得到理论固定站;通过对常规公交站点服务区域进行标识,避开常规公交客源,实现了从理论站点到实际站点的区位优化。其次,构建了以系统总成本最小为目标的动态选址模型,并采用遗传算法进行求解;最后,通过实例进行了验证。结果表明,该方法以出租车数据为需求点,避开常规车站服务区,在避开常规公交客源和与出租车客源竞争方面具有良好的可用性。
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引用次数: 0
Fine-grained Recognition Algorithm For Transformer Based On Part Features 基于零件特征的变压器细粒度识别算法
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135351
Zhuangzhuang Feng, Wei Wu
Fine-grained image recognition is a challenging task. Due to the small differences between the categories of fine-grained images and the large differences within the categories, traditional networks based on CNN or Transformer have their own shortcomings in feature extraction. This paper gives full consideration to the characteristics of CNN and Transformer, and proposes a fine-grained recognition algorithm combining WS-DAN (Weakly Supervised Data Augmentation Network) and ViT (Vision Transformer). Firstly, the image patch is obtained by WS-DAN to eliminate the incomplete semantic information of image patch caused by traditional ViT. Then, the image patch is encoded based on Transformer framework and global token is introduced for topological relationship constraints among components, which overcomes the locality of features extracted from traditional CNN network. Finally, the training based on the combination of cross entropy and contrast loss function further improves the recognition ability of the network. The proposed algorithm has achieved satisfactory results on the CUB-200-2011, FGVC-Aircraft and Stanford Cars datasets.
细粒度图像识别是一项具有挑战性的任务。由于细粒度图像的类别之间差异较小,类别内差异较大,因此基于CNN或Transformer的传统网络在特征提取方面存在各自的不足。本文充分考虑CNN和Transformer的特点,提出了一种结合WS-DAN(弱监督数据增强网络)和ViT(视觉变压器)的细粒度识别算法。首先,利用WS-DAN技术获取图像补丁,消除了传统ViT技术导致图像补丁语义信息不完整的问题;然后,基于Transformer框架对图像patch进行编码,并引入全局令牌对组件之间的拓扑关系进行约束,克服了传统CNN网络提取特征的局部性;最后,基于交叉熵和对比损失函数相结合的训练进一步提高了网络的识别能力。该算法在ub -200-2011、FGVC-Aircraft和Stanford Cars数据集上取得了满意的效果。
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引用次数: 0
Research on clustering algorithm based on spark 基于spark的聚类算法研究
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135496
Kun Lang, Xiaoli Chai
With the rapid development of sensors and positioning technology, a huge amount of GPS data generates every day and night. Taking cabs as an example, behind the GPS track information of cabs, there is a large amount of information to be mined, which is crucial for urban governance and consumer behavior analysis. In this paper, we will analyze point data of cab with clustering algorithm, optimize K-means by utilizing the Canopy algorithm for pre-clustering, and parallelize the implementation of the algorithm based on the spark framework. Experiments show that the improved clustering algorithm works well, and the computational efficiency and speedup also improve effectively.
随着传感器和定位技术的飞速发展,每天晚上都会产生大量的GPS数据。以出租车为例,在出租车的GPS轨迹信息背后,有大量的信息需要挖掘,这些信息对于城市治理和消费者行为分析至关重要。本文将利用聚类算法对驾驶室点数据进行分析,利用Canopy算法对K-means进行预聚类优化,并基于spark框架对算法进行并行化实现。实验表明,改进后的聚类算法效果良好,计算效率和加速也得到了有效提高。
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引用次数: 0
Bayesian Filter Pruning for Deep Convolutional Neural Network Compression 深度卷积神经网络压缩的贝叶斯滤波剪枝
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135208
Haomin Lin, Tianyou Yu
Network pruning has been demonstrated as a feasible approach in reducing model complexity and accelerating the process of inference, which make it possible to deploy deep neural network in resource-limited devices. Many previous works on network pruning consider the magnitude of parameters or other intrinsic properties in point-estimates based network as the criterion of module selection, which are incapable of estimating uncertainty of parameters. In this paper, we propose a novel Bayesian filter pruning method, which leverages the advantage of Bayesian Deep Learning (BDL), by exploring the properties of distribution in weight. The proposed method removes redundant filters from a Bayesian network by a criterion of the proposed Signal to Noise Ratio (SNR) that combines properties of importance with uncertainty of filters. Experimental results on two benchmark datasets show the efficiency of our method in maintaining balance between compression and acceleration.
网络修剪作为一种降低模型复杂度和加速推理过程的可行方法,为在资源有限的设备中部署深度神经网络提供了可能。以往的许多网络剪枝研究都将基于点估计的网络中参数的大小或其他固有性质作为模块选择的准则,无法估计参数的不确定性。在本文中,我们提出了一种新的贝叶斯滤波剪枝方法,该方法利用贝叶斯深度学习(BDL)的优势,通过探索权重分布的性质。该方法通过将滤波器的重要性和不确定性结合起来的信噪比(SNR)标准,从贝叶斯网络中去除冗余滤波器。在两个基准数据集上的实验结果表明,该方法能够有效地保持压缩和加速之间的平衡。
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引用次数: 0
Vibration prediction analysis of 3000TEU container ship 3000TEU集装箱船振动预测分析
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135277
J. Ren, Anxi Cao, Yongxing Jin, Ye Jiang
This paper takes 3000TEU container as the research object, vibration and response were studied. The 3000TEU container ship has been transformed from a diesel engine driven ship to a LNG powered ship, so it is necessary to improve the effectiveness and accuracy of vibration prediction before the transformation. Considering the excitation effect of the main vibration sources such as engine and propeller, the natural frequency of the ship is calculated by finite element method using Femap with NX Nastran software, and then the vibration prediction of the whole ship is carried out to obtain the response results of each region. According to the analysis of the ship's natural frequency and vibration response results, the ship meets the ISO 6954:E2000 vibration standard.
本文以3000TEU集装箱为研究对象,对其振动及响应进行了研究。3000TEU集装箱船已由柴油机驱动船改造为LNG动力船,改造前需要提高振动预测的有效性和准确性。考虑发动机、螺旋桨等主要振源的激励作用,利用Femap和NX Nastran软件采用有限元法计算船舶的固有频率,然后对全船进行振动预测,得到各区域的响应结果。根据对该船固有频率和振动响应结果的分析,该船符合ISO 6954:E2000振动标准。
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引用次数: 0
Fair Machine Learning-An Analytical Study Based on CiteSpace 公平机器学习——基于CiteSpace的分析研究
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135360
Xiang Luo, Jianfeng Cui, Shuai Ma
With the development of machine learning, fair machine learning has started to receive gradual attention. How to mitigate or eliminate the possible unfair decision results of machine learning has become a popular research topic in this field. At present, the research on fair machine learning is still in its initial stage. In this paper, we analyzed the research and articles related to fair machine learning (January 2011 to December 2022) using CiteSpace visualization software, explored research collaboration networks (authors, institutions, and countries), keyword co-occurrence and clustering networks, and literature co-citation and clustering networks, and analyzed and constructed knowledge graphs. To understand the research foundation, related research progress, the latest research directions, and the research methods receiving attention in the field of fair machine learning through the analysis of the knowledge graph. Relevant key articles are discussed, and future research directions are envisioned.
随着机器学习的发展,公平的机器学习开始逐渐受到关注。如何减轻或消除机器学习可能产生的不公平决策结果已成为该领域的热门研究课题。目前,关于公平机器学习的研究还处于起步阶段。本文利用CiteSpace可视化软件对2011年1月至2022年12月期间与公平机器学习相关的研究和文章进行分析,探索研究协作网络(作者、机构和国家)、关键词共现和聚类网络、文献共被引和聚类网络,并分析和构建知识图谱。通过知识图的分析,了解公平机器学习领域的研究基础、相关研究进展、最新研究方向、受关注的研究方法。对相关重点文章进行了讨论,并展望了未来的研究方向。
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引用次数: 0
Instance Segmentation Combined CMT and Swin Transformer in Driving Scenes 基于CMT和Swin变压器的驾驶场景实例分割
Pub Date : 2023-01-06 DOI: 10.1109/ICCECE58074.2023.10135453
Zhengyi Zha
CNN and Transformer have been used widely through computer vision problems, including object detection and instance segmentation. But usually, CNN and Transformer are utilized independently. Recently, a new method called CMT has combined the advantages of both. It applies convolution to mitigate the computation overhead. In this work, we combine the advantages of CMT and swin transformer to enrich feature extraction. And build a framework that used the new backbone to achieve instance segmentation. Finally, we have done experiments in driving scenes and achieved good results.
CNN和Transformer在计算机视觉问题上得到了广泛的应用,包括目标检测和实例分割。但通常情况下,CNN和Transformer是独立使用的。最近,一种叫做CMT的新方法结合了两者的优点。它应用卷积来减少计算开销。在这项工作中,我们结合了CMT和swin变压器的优点,丰富了特征提取。并构建了一个使用新主干实现实例分割的框架。最后,我们在驾驶场景中进行了实验,取得了良好的效果。
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引用次数: 0
期刊
2023 3rd International Conference on Consumer Electronics and Computer Engineering (ICCECE)
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