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Deep Facial Emotion Recognition Using Local Features Based on Facial Landmarks for Security System

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Computers, Materials & Continua 2023年第8期76卷 1817-1832页

作者： Youngeun An Jimin Lee Eunsang Bak Sungbum Pan IT Research Institute Chosun UniversityGwang-Ju61452Korea

Emotion recognition based on facial expressions is one of the most critical elements of human-machine *** conventional methods for emotion recognition using facial expressions use the entire facial image to extract features and then recognize specific emotions through a pre-trained *** contrast,this paper proposes a novel feature vector extraction method using the Euclidean distance between the landmarks changing their positions according to facial expressions,especially around the eyes,eyebrows,nose,***,we apply a newclassifier using an ensemble network to increase emotion recognition *** emotion recognition performance was compared with the conventional algorithms using public *** results indicated that the proposed method achieved higher accuracy than the traditional based on facial expressions for emotion *** particular,our experiments with the FER2013 database show that our proposed method is robust to lighting conditions and backgrounds,with an average of 25% higher performance than previous ***,the proposed method is expected to recognize facial expressions,especially fear and anger,to help prevent severe accidents by detecting security-related or dangerous actions in advance.

关键词： Facial emotion recognition landmark-based feature extraction ensemble network robustness to the changes in illumination and background dangerous situation detection accident prevention

Reliability Optimization Design for the Safe-Arming System of an Air-Faced Missile

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Journal of Systems Engineering and Electronics 1999年第3期10卷 32-37页

作者： Gao, Peiwang Ma, Xiaoqing Beijing Inst of Technology Beijing China

This paper establishes a mathematical model of the reliability optimization design for the safe-arming system of an air-faced missile, and presents a solving method for the model. The computational results provide a v... 详细信息

关键词： accident prevention Mathematical models Missiles Optimization Problem solving Reliability

WATER HAMMER ANALYSIS OF WATER FEEDING SYSTEM IN COAL FIRED POWER STATION AND ITS INFLUENCE ON THE SAFETY OF OPERATION

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Journal of Hydrodynamics 1997年第3期9卷 87-91页

作者： Sun, Fengzhong Shan, Bo Li, Shuying Huang, Xinyuan Shandong Univ Jinan China

In the coal fired power station, the regulation of the load or the sudden stop operation of the unit in accident may result in water hammer, which would have critical influence on the safety operation of the unit. In this paper the analysis of water dynamic characters and the calculation of the pressure increment were shown, when the water hammer was produced in the system.

关键词： accident prevention Flow of water Numerical analysis Power plants Pressure effects Water supply systems

Analysis and Research of Ice Loads Acting on Offshore Structures

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China Ocean Engineering 1993年第2期8卷 167-176页

作者： Ji, Chunqun Shanghai Jiao Tong Univ Shanghai China

Usually, the action of sea ice on offshore engineering structures is one of the controlling loads in cold waters engineering structure design. The reasonable selection of environmental condition and the physical mechanical properties of ice in the region are directly related to the structure design, operation and safety. In this paper, the sea ice force acting on the structure, the physical mechanical properties of ice and the selection of parameters in calculation are discussed. Some suggestions are proposed as to the calculation of various kinds of ice loads acting on the structure.

关键词： accident prevention Arctic engineering Calculations Dynamic loads Finite element method Ice control Mechanical properties Offshore structures Physical properties Structural design

APPLICATION OF STOCHASTIC FINITE ELEMENT METHOD TO STRENGTH AND STABILITY ANALYSIS OF EARTH DAMS

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Acta Mechanica Solida Sinica 1994年第1期7卷 80-86页

作者： Yongjian, Ren Guoqing, Wang Derong, Wei Jizhong, Shi Zhejiang Univ China

This paper applies the stochastic finite element method to analyse the statistics of stresses in earth dams and assess the safety and reliability of the dams. Formulations of the stochastic finite element method are briefly reviewed and the procedure for assessing dam's strength and stability is described. As an example, a detailed analysis for an actual dam Nululin dam is performed. A practical method for studying built-dams based on the prototype observation data is described.

关键词： accident prevention Failure (mechanical) Finite element method Random processes Reliability Stability Statistics Strength of materials Stress analysis Structural analysis Water levels

Underice Operation of SJT-5 ROV

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China Ocean Engineering 1993年第3期8卷 349-354页

作者： Tang, Rongqing Wang, Daoyan Zhang, Xixian Shanghai Jiao Tong Univ Shanghai China

The authors have used a low-cost ROV of observation type for underice surveying of the Nen-Jiang Cross-river oil pipe line in the Da Qing oil field. The operation method, process and the safety measures for severe col... 详细信息

关键词： accident prevention Electric vehicles Engineering research Oil fields Remote control Rivers Surveying

Dynamic Load Analysis for Towlines

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China Ocean Engineering 1993年第4期8卷 401-407页

作者： Yang, Qinliang China Guangzhou Maritime Rescus & Salvag Co Guangzhou China

Based on the curve equation of towline in towing, this paper introduces the new concepts of the coefficient of shape extension and comprehensive extension of towline, infers related calculation formulas, and then gives some quantitative analyses on the magnitude of dynamic loads acting on the towline and the measures to increase the capacity of towline against the dynamic loads.

关键词： accident prevention Calculations Differential equations Numerical analysis

CAV driving safety monitoring and warning via V2X-based edge computing system

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Frontiers of Engineering Management 2024年第1期11卷 107-127页

作者： Cheng CHANG Jiawei ZHANG Kunpeng ZHANG Yichen ZHENG Mengkai SHI Jianming HU Shen LI Li LI Department of Automation Tsinghua UniversityBeijing 100084China College of Electrical Engineering Henan University of TechnologyZhengzhou 450001China Nebula Link Technology Co. Ltd.Beijing 100080China Department of Civil Engineering Tsinghua UniversityBeijing 100084China

Driving safety and accident prevention are attracting increasing global *** safety monitoring systems often face challenges such as limited spatiotemporal coverage and accuracy,leading to delays in alerting drivers about potential *** study explores the use of edge computing for monitoring vehicle motion and issuing accident warnings,such as lane departures and vehicle *** traditional systems that depend on data from single vehicles,the cooperative vehicle-infrastructure system collects data directly from connected and automated vehicles(CAVs)via vehicle-to-everything *** approach facilitates a comprehensive assessment of each vehicle’s *** propose algorithms and specific data structures for evaluating accident risks associated with different ***,we examine the prerequisites for data accuracy and transmission delay to enhance the safety of CAV *** efficacy of this framework is validated through both simulated and real-world road tests,proving its utility in diverse driving conditions.

关键词： driving safety accident prevention connected and automated vehicles edge computing

Prediction of the burden of road traffic injuries in Iran by 2030: Prevalence, death,and disability-adjusted life years

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Chinese Journal of Traumatology 2024年第4期27卷 242-248页

作者： Mozhgan Seif Sedigheh Edalat Ali Majidpour Azad Shirazi Somayeh Alipouri Mohsen Bayati Non-communicable Diseases Research Center Department of EpidemiologySchool of HealthShiraz University of Medical SciencesShirazIran Health Human Resources Research Center School of Health Management and Information SciencesShiraz University of Medical SciencesShirazIran Health Policy Research Center Institute of HealthShiraz University of Medical SciencesShirazIran

Purpose:Road traffic accidents pose a global challenge with substantial human and economic *** a high incidence of road traffic injuries,leading to a significant burden on *** studyaims to predict the future burden of road traffic injuries in Iran until 2030,providing valuable insights forpolicy-making and interventions to improve road safety and reduce the associated human and ***:This analytical study utilized time series models,specifically autoregressive integrated movingaverage(ARIMA)and artificial neural networks(ANNs),to predict the burden of road traffic accidents byanalyzing past data to identify patterns and trends in Iran until *** required data related toprevalence,death,and disability-adjusted life years(DALYs)rates were collected from the Institute forHealth Metrics and Evaluation database and analyzed using R software and relevant modeling andstatistical analysis ***:Both prediction models,ARIMA and ANNs indicate that the prevalence rates(per 100,000)of allroad traffic injuries,except for motorcyclist road injuries which have an almost flat trend,remaining ataround 430,increase by *** on estimations of both models,the rates of death and DALYs due tomotor vehicle and pedestrian road traffic injuries *** motor vehicle road injuries,estimatedtrends decrease to approximately 520 DALYs and 10 ***,for pedestrian road injuries these ratesreached approximately 300 DALYs and 6 deaths,according to the *** cyclists and other roadtraffic injuries,the predicted DALY rates by the ANN model increase to almost 50 and 8,while predictionsconducted by the ARIMA model show a static trend,remaining at 40 and approximately ***,these rates for the prediction of death rate by the ANN model increased to 0.6 and 0.1,while predictionsconducted by the ARIMA model show a static trend,remaining at 0.43 and *** to the ANNmodel,the predicted rates of DALY and death for m

关键词： accidents Traffic accident prevention Motorcycles Road injury Forecasting