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Evolution simulation of spatial spillover effect of carbon emission efficiency based on improved PSO-PFCM clustering algorithm 基于改进的 PSO-PFCM 聚类算法的碳排放效率空间溢出效应演化模拟
Yufeng Chai, Yuehua Li, Bing Cai, Liang Han, Jiangbo Sha
By simulating and analyzing the spatial spillover effect between different regions, the spatial correlation of carbon emission efficiency can be studied. Understanding how carbon emission behaviors interact and transmit across regions will help to develop more comprehensive and accurate carbon emission management strategies. Therefore, a new evolutionary simulation method for spatial spillover effect of carbon emission efficiency is proposed in this study. The PSO-PFCM clustering algorithm was improved to detect the overflow of carbon emission efficiency. The main characteristics of the multidimensional spatial spillover effect of carbon emission efficiency were selected, the multidimensional spatial feature mapping model was constructed, and the level of spillover effect was judged to complete the analysis of the evolution of the spatial spillover effect of carbon emission efficiency. The experimental results show that the proposed method has shorter abnormal detection time of carbon emission data spill and higher evolutionary accuracy of spatial spillover effect of carbon emission efficiency.
通过模拟分析不同区域间的空间溢出效应,可以研究碳排放效率的空间相关性。了解碳排放行为在不同区域间的相互作用和传递,有助于制定更全面、更准确的碳排放管理策略。因此,本研究提出了一种新的碳排放效率空间溢出效应的进化模拟方法。改进了 PSO-PFCM 聚类算法,以检测碳排放效率的溢出效应。选取碳排放效率多维空间溢出效应的主要特征,构建多维空间特征映射模型,判断溢出效应水平,完成碳排放效率空间溢出效应演化分析。实验结果表明,所提出的方法具有更短的碳排放数据溢出异常检测时间和更高的碳排放效率空间溢出效应演化精度。
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引用次数: 0
Design of indoor formaldehyde multipoint real-time monitoring and alarm system 室内甲醛多点实时监测和报警系统的设计
Xuexiao Chen
Aiming at the problems that the convenient household formaldehyde gas detector could not realize simultaneous multipoint detection, excessive warning and the remote monitoring, a kind of indoor formaldehyde gas detection system with wireless AD hoc networking capability was designed. With the Zigbee module CC2530 of TI Company as the core, it adopted the Zigbee network ad-supported capability to realize real-time collection of air quality in multiple rooms at the same time, and uploaded the detected data to Aliyun Internet of Things platform to realize the remote monitoring function. The experimental results show that the system can simultaneously detect the formaldehyde concentration in multiple test points. When the formaldehyde concentration exceeds the preset concentration threshold, the system can make sound and light alarm and release the data to the Internet of Things platform. The remote Internet of Things platform stores the formaldehyde data for PC and mobile terminal to access and check. The system can meet the requirements of indoor formaldehyde concentration detection.
针对便捷式家用甲醛气体检测仪无法实现多点同时检测、超标预警和远程监控的问题,设计了一种具有无线AD hoc组网能力的室内甲醛气体检测系统。该系统以 TI 公司的 Zigbee 模块 CC2530 为核心,采用 Zigbee 网络广告支持能力,实现多个房间同时进行空气质量的实时采集,并将检测到的数据上传到阿里云物联网平台,实现远程监控功能。实验结果表明,该系统可同时检测多个检测点的甲醛浓度。当甲醛浓度超过预设浓度阈值时,系统可发出声光报警,并将数据发布到物联网平台。远程物联网平台存储甲醛数据,供 PC 和移动终端访问和检查。该系统可满足室内甲醛浓度检测的要求。
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引用次数: 0
Research on haze prediction method of Xianyang City based on STL decomposition and FEDformer 基于 STL 分解和 FEDformer 的咸阳市雾霾预测方法研究
Yanan Cao, Qian Zhou, Jinglei Tang, Zhenhong Liu
Due to the continuous impact of haze weather, Xianyang city's air quality has ranked in the bottom three of the province for three consecutive years. This has led to an urgent need to improve air quality. Haze pollution prediction is of great practical significance. By timely and accurate prediction of haze pollution, the government and relevant institutions can take necessary measures to improve air quality and protect the ecosystem. Although the traditional RNN and LSTM models can effectively capture the time sequence information in the haze data over the years for prediction, it is still difficult to achieve accurate prediction due to the complexity of haze prediction. In this study, 8769 pieces of heterogeneous data were successfully collected using multi-source big data acquisition technology. A series of pre-processing operations, including data conversion and dimensionality reduction, were performed on different data such as AQI, PM2.5, PM10, SO2, NO2, CO and O3. The method of big data fusion and deep learning is adopted to integrate haze data and discover hidden rules and trends in it. Finally, based on FEDformer model and STL time series decomposition method, the prediction model was established in this study, which achieved significant improvement in both short - and long-term time series prediction problems.
受雾霾天气持续影响,咸阳市空气质量连续三年排名全省倒数第三。因此,改善空气质量迫在眉睫。雾霾污染预测具有重要的现实意义。通过及时准确地预测灰霾污染,政府和相关机构可以采取必要措施改善空气质量,保护生态系统。虽然传统的 RNN 和 LSTM 模型能有效捕捉历年雾霾数据中的时序信息进行预测,但由于雾霾预测的复杂性,要实现准确预测仍有一定难度。本研究利用多源大数据采集技术,成功采集了 8769 条异构数据。对空气质量指数、PM2.5、PM10、二氧化硫、二氧化氮、一氧化碳和臭氧等不同数据进行了数据转换、降维等一系列预处理操作。采用大数据融合和深度学习的方法整合雾霾数据,发现其中隐藏的规律和趋势。最后,本研究基于 FEDformer 模型和 STL 时间序列分解方法,建立了预测模型,在短期和长期时间序列预测问题上都取得了显著的改进。
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引用次数: 0
Advanced deep-learning-based chip design enabling algorithmic and hardware architecture convergence 基于深度学习的先进芯片设计实现了算法和硬件架构的融合
Hedi Qu, Danqing Ma, Zongqing Qi, Ni Zhu
In order to solve the problems of insufficient computational power and high power consumption of deep learning hardware, the use of deep learning in the field of hardware design is thoroughly investigated, focusing on the design and validation of a hardware gas pedal for Convolutional Neural Networks (CNNs) for target detection. The completeness of the design is ensured by implementing a hardware gas pedal with high computational parallelism using the Verilog HDL language and functional testing using the Universal Verification Methodology UVM. Through module level and system level verification. The experiments confirm the effectiveness of the hardware gas pedal in improving the computational efficiency of the target detection algorithm, contributing valuable insights to the research in the field of deep learning and chip design.
为了解决深度学习硬件计算能力不足和功耗高的问题,我们深入研究了深度学习在硬件设计领域的应用,重点是设计和验证用于目标检测的卷积神经网络(CNN)的硬件油门踏板。通过使用 Verilog HDL 语言实现具有高计算并行性的硬件油门踏板,并使用通用验证方法 UVM 进行功能测试,确保了设计的完整性。通过模块级和系统级验证。实验证实了硬件油门踏板在提高目标检测算法计算效率方面的有效性,为深度学习和芯片设计领域的研究贡献了有价值的见解。
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引用次数: 0
Research on secure and trustworthy cross domain collaborative computing methods for data 研究安全可信的跨域数据协作计算方法
Xinlin Liu, Jian Zhang, Wei-Ping Deng
With the advancement of mobile cloud computing technology, the demand for collaborative operation and maintenance technology is constantly increasing. Therefore, this article proposes a model that combines multi feature collaborative knowledge graph and blockchain technology to achieve secure and trustworthy collaborative operation and maintenance computing in cross domain environments. The model focuses on addressing data privacy and security issues, and improving the accuracy of collaborative operations. By introducing a multi feature collaborative knowledge graph, secure fusion of multi-source feature data can be achieved. Meanwhile, design a blockchain based trust verification mechanism to ensure the traceability of anonymous data sources, prevent data tampering, and ensure data authenticity. In addition, an adaptive recommendation algorithm based on MKGCN is proposed, which utilizes multi feature collaborative knowledge graph data to achieve secure and accurate collaborative computing. The experimental results show that this method improves the accuracy of recommendation calculation while ensuring privacy and security, promoting the development and practical application of cross domain operation and maintenance computing technology.
随着移动云计算技术的发展,人们对协同运维技术的需求不断增加。因此,本文提出了一种结合多特征协同知识图谱和区块链技术的模型,以实现跨域环境下安全可信的协同运维计算。该模型重点解决数据隐私和安全问题,提高协同操作的准确性。通过引入多特征协同知识图谱,可以实现多源特征数据的安全融合。同时,设计基于区块链的信任验证机制,确保匿名数据源的可追溯性,防止数据被篡改,保证数据的真实性。此外,还提出了一种基于MKGCN的自适应推荐算法,利用多特征协同知识图谱数据实现安全、精准的协同计算。实验结果表明,该方法在保证隐私和安全的前提下,提高了推荐计算的准确性,促进了跨域运维计算技术的发展和实际应用。
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引用次数: 0
GNAR: graph contrastive learning networks with adaptive readouts for anomaly detection GNAR:带有自适应读数的图形对比学习网络,用于异常检测
changcheng wan, Suixiang Gao
Recent advancements in graph neural networks (GNNs) have prompted diverse research endeavors focused on utilizing GNNs for anomaly detection. The fundamental concept revolves around harnessing the inherent expressive capabilities of GNNs to acquire meaningful node representations, aiming to distinguish between anomalous and normal nodes in the embedding space. However, prior methods have often employed simple readout modules (such as sum, mean, or max functions) for subgraph aggregation, failing to fully exploit subgraph information. In response to this limitation, we propose an anomaly detection application algorithm called “Graph Contrastive Learning Network with Adaptive Readouts” (GNAR), tailored specifically for Graph Anomaly Detection (GAD) tasks. Through extensive experiments on three famous public datasets, we consistently observe that GNAR outperforms baseline methods.
图神经网络(GNN)的最新进展推动了各种研究工作,研究重点是利用 GNN 进行异常检测。其基本概念是利用图神经网络固有的表达能力来获取有意义的节点表示,目的是区分嵌入空间中的异常节点和正常节点。然而,之前的方法通常采用简单的读出模块(如总和、平均值或最大值函数)进行子图聚合,未能充分利用子图信息。针对这一局限性,我们提出了一种名为 "具有自适应读出功能的图形对比学习网络"(Graph Contrastive Learning Network with Adaptive Readouts,GNAR)的异常检测应用算法,专门针对图形异常检测(GAD)任务而定制。通过在三个著名的公共数据集上进行广泛实验,我们发现 GNAR 的性能始终优于基准方法。
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引用次数: 0
LDA-Bert based public opinion subject mining analysis of emergencies 基于LDA-Bert的突发事件舆情主体挖掘分析
Tiantian Liu, XIAO-FENG Gu
Studying the theme of emergencies is of great significance to the emergency management of subsequent public opinion. In order to solve the problem that LDA ignores the context semantics, and the topic distribution is biased towards high-frequency words, Bert is introduced. LDA-Bert public opinion topic mining model is proposed. First, LDA is used to select candidate words; Then, Bert is used to construct candidate word vectors and topic vectors with context semantics, and the topic keywords are filtered twice by cosine similarity calculation; Finally, the corresponding public opinion response strategies are proposed through the subject mining results of different life cycles. Taking the "Xi'an epidemic" as an example, the experiment proved that the model can effectively extract theme keywords, providing a strong basis for the follow-up analysis of theme changes at different stages of public opinion.
研究突发事件主题对后续舆情应急管理具有重要意义。为了解决LDA忽略上下文语义、主题分布偏向高频词的问题,引入了Bert。提出了LDA-Bert舆情话题挖掘模型。首先,采用LDA方法选择候选词;然后,利用Bert构造具有上下文语义的候选词向量和主题向量,并通过余弦相似度计算对主题关键词进行两次过滤;最后,通过不同生命周期的主题挖掘结果,提出相应的舆情应对策略。以“西安疫情”为例,实验证明该模型能够有效提取主题关键词,为后续分析舆情不同阶段的主题变化提供了有力依据。
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引用次数: 0
Study on emergency logistics location-route problem under uncertain demand 需求不确定条件下应急物流选址路线问题研究
Qirong Li
Based on the uncertain characteristics of emergency material demand, this paper uses interval number to represent the uncertainty of emergency material demand and considers the two objectives of rescue cost and time to establish an optimization model of emergency logistics facility location and route. The interval constraint theory is used to transform the interval uncertainty into the definite number, and the multi-objective is transformed into a single objective by the non-dimensional linear weighting method. The genetic algorithm is designed to solve the model, and the effectiveness of the model and algorithm is demonstrated by a practical example.
基于应急物资需求的不确定性特点,采用区间数表示应急物资需求的不确定性,同时考虑救援成本和时间两个目标,建立应急物流设施选址和路线优化模型。利用区间约束理论将区间不确定性转化为确定数,并采用无量纲线性加权法将多目标转化为单目标。设计了遗传算法求解该模型,并通过实例验证了该模型和算法的有效性。
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引用次数: 0
An intelligent algorithm integrated with fit algorithms for solving the one-dimensional bin packing problem under multiple length restrictions 结合拟合算法求解多长度约束下的一维装箱问题
Kancheng Huang, Yueming Dai
The purpose of cutting material to length is to cut the material into finished products according to customer needs and minimize the amount of surplus material. To address this problem, we propose a model for extensions to the one-dimensional bin packing problem involving multiple length restrictions, which considers that all finished products have different lengths, and all length requirements are loaded into the finished products to achieve the optimization objectives of minimizing the quantity of the finished material and minimizing the remaining length of the finished material. The model is solved by a hybrid intelligent algorithm consisting of a genetic algorithm integrated with fit algorithms. The effectiveness of the hybrid intelligent algorithm is theoretically validated and experimentally verified using actual data and specific numerical examples.
切料至长的目的是根据客户的需要将材料切成成品,尽量减少多余的材料量。为了解决这一问题,我们提出了一个涉及多长度限制的一维料仓装箱问题的扩展模型,该模型考虑了所有的成品都有不同的长度,并将所有的长度要求装入成品中,以实现成品数量最少和成品剩余长度最少的优化目标。该模型采用遗传算法与拟合算法相结合的混合智能算法求解。通过实际数据和具体数值算例,对混合智能算法的有效性进行了理论验证和实验验证。
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引用次数: 0
RGB-T object tracking with adaptive decision fusion 基于自适应决策融合的RGB-T目标跟踪
Yida Bai, Ming Yang
Visual object tracking is a traditional task in computer vision, which has developed with several decades. With the development of machine learning, Correlation Filter (CF) has been proposed with satisfying performance and very high framerate. Though the CF framework has numerous strengths in this task, the tracker is fragile to miss the target in several scenes, including extreme illumination, target occlusion and deformation. Recently, thermal modality, which detects the target’s temperature, is robust to the night scenes and can provide a precise target contour. In this paper, we propose a CF based tracker with decision fusion strategy for visible-thermal (RGB-T) tracking. First, we introduce multi-modal KCF trackers as our baseline. Then, we design a decision fusion method considering the Peak-to-Side Rate (PSR) of the score maps, thereby achieving an adaptive fusing those modalities and avoiding model’s heterogeneity. In the experiments, our tracker has validated on the public dataset, namely GTOT. Compared with two uni-modality trackers, the proposed tracker with real-time speed has shown superior results on both target localization and scale estimation.
视觉目标跟踪是计算机视觉领域的一项传统任务,已经发展了几十年。随着机器学习技术的发展,相关滤波器(CF)得到了令人满意的性能和非常高的帧率。虽然CF框架在这个任务中有很多优势,但是跟踪器在一些场景中很脆弱,包括极端光照、目标遮挡和变形。近年来,热模态探测目标温度对夜景具有鲁棒性,可以提供精确的目标轮廓。本文提出了一种基于CF的基于决策融合策略的RGB-T跟踪器。首先,我们引入多模态KCF跟踪器作为基准。然后,我们设计了一种考虑评分图的峰侧率(PSR)的决策融合方法,从而实现了这些模式的自适应融合,避免了模型的异质性。在实验中,我们的跟踪器在公共数据集即GTOT上进行了验证。与两种单模态跟踪器相比,所提出的实时速度跟踪器在目标定位和规模估计方面都取得了较好的效果。
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引用次数: 0
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International Conference on Algorithms, Microchips and Network Applications
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