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  • Table of Content
      10 November 2023, Volume 1 Issue 11 Previous Issue    Next Issue
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    Design of Driver Fatigue Recognition Algorithm Based on YOLOv8 and Face Key Points Detection
    HE Zong-xi JIANG Ming-zhong XIE Ming-xia PANG Jia-bao CHEN Qiu-yan HU Yi-bo
    Computer & Telecommunication. 2023, 1 (11): 1-6.  
    According to statistics, the accident rate caused by fatigue driving and mental inconcentration in traffic accidents accounts for 93%. To solve this problem, 68 key points of face are introduced in this paper. Based on deep learning and machine vision algorithm concepts, combined with YOLOv8 model and related fatigue driving judgment mechanism, PERCLOS algorithm, MAR algorithm, EAR algorithm and HPE algorithm are used to improve the accuracy and reliability of the system. A set of algorithms for recognizing tired driving behavior is successfully constructed.
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    Whale Optimization Algorithm with Aquila Exploration Method
    QI Xin YU Yan MA Ning WU Hao-qian
    Computer & Telecommunication. 2023, 1 (11): 7-13.   DOI: 10.15966/j.cnki.dnydx.2023.11.007
    The Whale Optimization Algorithm (WOA) is an effective meta-heuristic. However, whale optimization algorithms tend to converge slowly and are prone to fall into local optimal solutions. Therefore, this paper proposes an algorithm based on the exploration idea of the Aquila Optimizer (AO) to solve global optimization problems. The improved algorithm is inspired by the exploration idea of the Aquila Optimizer. Firstly, Aquilas conduct exploration to expand the search range, thereby enhancing the global search capability and reducing the likelihood of getting trapped in local optima. Secondly, it incorporates the hunting behavior of whales to balance the exploration and exploitation phases of the algorithm. To validate the effectiveness of the algorithm, this study uses benchmark test functions as experimental objects and compares it with other popular metaheuristic algorithms. The experimental results demonstrate that the proposed algorithm in this study has shown good convergence speed, optimization accuracy, and stability.
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    Simulation Analysis of Race-hazard in Combinatorial Logic Circuit Based on Proteus
    LI Zhen-dong HOU Zeng-tian HUANG Yong-mei
    Computer & Telecommunication. 2023, 1 (11): 14-.   DOI: 10.15966/j.cnki.dnydx.2023.11.002
    In order to teach students more intuitively the phenomenon of race-hazard in combinational logic circuits, this study builds a simulation module circuit based on Proteus simulation software, and carries out simulation experiments to test the generation and elimination of circuit race-hazard. The simulation interface clearly displays the peak pulse of race-hazard, as well as the elimination results. Through this simulation module circuit, students not only observe the process of race-hazard more intuitively, but also can take different measures to eliminate circuit race-hazard. Teaching practice shows that the simulation module circuit provides a new scene for students to learn and understand the race-hazard phenomenon, thus improving the teaching effect.
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    Reform and Practice of Computer Public Basic Education Model for Training Applied Talents in the Era of Big Data and Artificial Intelligence
    LI Xin JIA Mei-juan LIU Chun MAO Kai-ji
    Computer & Telecommunication. 2023, 1 (11): 19-22.   DOI: 10.15966/j.cnki.dnydx.2023.11.001
    The new technology and new concept in the era of digital intelligence have profoundly changed the way of operation, organization, production and decision-making in all walks of life. Under the impact of Big Data and Artificial Intelligence, the employment position has higher requirements for the computer skills and literacy of applied talents. The course of Computer Public Basic aims at cultivating students' computational thinking, computer technology and literacy, which plays an important role in improving the vocational skills of applied talents. Take Daqing Normal University, an application-oriented undergraduate university with characteristics in Heilongjiang Province, for example, this paper introduces the reform and practice of the education model of Computer Public Basic. On the basis of analyzing the computer ability required for application-oriented talents in the new era, this paper introduces the reform and practice path from four aspects: hierarchical curriculum system, mixed teaching mode, experimental teaching reform and innovation and entrepreneurship ability training.
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    Design and Implementation of Campus Ordering Backend System Based on Microservice
    SU Bing
    Computer & Telecommunication. 2023, 1 (11): 23-28.   DOI: 10.15966/j.cnki.dnydx.2023.11.008
    In order to alleviate the problem of seat tension in university canteens, it is urgent to develop a kind of software to solve this problem and improve the dining experience for students. This article discusses the use of the current mainstream microservice framework Spring Boot, combined with technologies such as MyBatis Plus and Vue.js, to design and implement a campus ordering system backend, which facilitates platform administrators and merchant administrators to manage dishes, packages, orders, etc., providing a solution for the problem of tight dining for college students.
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    Prediction of Waterlogging Depth in Bridges and Culverts Based on PSO-SVR
    XUE Zi-yun LI Zhong WANG Zhi ZHANG Li-li SONG Qing-chang
    Computer & Telecommunication. 2023, 1 (11): 29-.  
    Urban waterlogging is an important urban disaster, and culvert ponding is one of the main manifestations of urban waterlogging, which can easily cause serious casualties and property losses. In order to improve the efficiency and accuracy of predicting the culvert ponding depth, a predicting model naming PSO-SVR is proposed, which the current meteorological data and waterlogging depth data are selected as input and output vectors respectively. Firstly, a support vector regression prediction model (SVR) for the culvert ponding depth is established, and then the particle swarm optimization algorithm (PSO) is used to optimize key parameters, which has the advantages of objectivity and simplicity. The experimental results indicate that the PSO-SVR model is effective in predicting the depth of culvert ponding. Compared with traditional prediction models of SVR and BP neural network, the PSOSVR model has higher fitting accuracy for waterlogging depth. This model can provide technical support for urban waterlogging warning and emergency rescue decision-making.
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    Exploration on the Training Mode of Electronic Information Talents in Local Colleges and Universities under the Background of New Engineering
    LAI Yi-han WANG Qing-hui FU Zhi-he LIU Feng-lin
    Computer & Telecommunication. 2023, 1 (11): 33-36.   DOI: 10.15966/j.cnki.dnydx.2023.11.004
    Under the background of new engineering, this paper analyzes the current situation and existing problems of talent cultivation of electronic information specialty in local undergraduate colleges and universities. Take the electronic information engineering specialty of Longyan University for example, this paper introduces the reform ideas of the professional talent training mode, with the educational concept of student-centered, output-oriented, continuous improvement, constructs a new professional curriculum system, innovates a new teaching reform mode, establishes a collaboration platform for innovative education of production, learning, research and school, and implements a diversified evaluation system, so that students' comprehensive application ability, engineering practice ability and innovation ability have been greatly improved.
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    Robot Path Planning Based on Improved DQN Algorithm
    MA Hao-dong CHEN Ling-ling JIN Xiao-hang
    Computer & Telecommunication. 2023, 1 (11): 37-41.   DOI: 1008 - 6609 (2023) 11 - 0037 - 05
    To address the issues of slow convergence and low success rate in robot path planning associated with the DQN algorithm, this study introduces an enhanced version of the DQN algorithm named MDQN. This enhancement involves modifying the configuration of the state space to more accurately distinguish different states, resulting in a more realistic observation space. Additionally, by altering the reward function, the algorithm is capable of obtaining more reward values, thereby improving learning efficiency. Experimental evaluations conducted on grid maps demonstrate that the improved algorithm, when compared to the traditional DQN algorithm and other related approaches, offers advantages such as higher success rates, faster convergence, and shorter paths.
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    Teaching Reform and Practice on Compiling Principle for Ability Training of Computer System
    HU Li-hua ZHANG Ji-fu LIU Ai-qin
    Computer & Telecommunication. 2023, 1 (11): 42-44.   DOI: 10.15966/j.cnki.dnydx.2023.11.003
    As a core course of computer system in computer science and technology, the teaching result of Compiling Principle directly affects the students' theoretical knowledge ability and practical ability of computer system. In order to improve the students' knowledge and practical ability of computer system, take the school Taiyuan University of Science and Technology for example, some reform measures such as optimizing the content of classroom teaching, strengthening the process of comprehensive practice, selecting reasonable textbooks and reference books are adopted into the course. Taking the students of grade 2015 as the object of implementation, it is verified that the reform measures can effectively improve the students' theoretical knowledge of computer system and enhance their practical ability of computer system.
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    Experimental Teaching Practice of Programing Courses Based on EduCoder Platform
    DENG Xi-hui
    Computer & Telecommunication. 2023, 1 (11): 45-48.   DOI: 10.15966/j.cnki.dnydx.2023.11.010
    After analyzing the current problems of experimental teaching in program design courses, this paper proposes a progressive and spiral experimental teaching mode based on the EduCoder online training platform, with the content of "basic experimentscomprehensive experiments-course design-program design competition", from "Point-Line" to "Surface" and then to "Body". The experimental teaching data of the two courses in the past two years are organized and analyzed, the data shows that the "Point-LineSurface-Body" experimental teaching mode based on the EduCoder platform is beneficial for cultivating excellent computer major students.
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