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Subway Tunnel Crack Identification based on YOLOv5 基于 YOLOv5 的地铁隧道裂缝识别
Pub Date : 2024-05-10 DOI: 10.54097/7gw4nw71
Chongbin Mei, Yucheng Wen
In view of the complex environment in the tunnel and the uneven lighting of the acquisition system, the lining images produced shadows and low contrast, a method of automatic color equalization combined with Laplacian pyramid (LP-ACE algorithm for short) was proposed in this paper. The computational complexity is reduced from the original O(N^4) to O ), which significantly reduces the amount of image computation and greatly improves the working efficiency. Due to the problems such as short time to identify skylights for cracks in key areas of subway tunnel, slow efficiency of manual method, inaccurate and difficult identification, an improved algorithm for key areas of power plant based on YOLO v5 was proposed: SD-YOLO. Ghost module is used to replace the traditional convolutional module to reduce the model parameters and improve the detection accuracy. The feature learning and feature extraction of crack region images are enhanced by the fusion of CBAM focus mechanism modules, while the influence of background on detection results is weakened. The bidirectional feature pyramid network is used for multi-scale feature fusion to reduce redundant calculation and improve the ability of the algorithm to detect small targets. The SD-YOLO algorithm proposed in this paper performs well in real samples, with an average accuracy of 93.1%, 11.3 percentage points higher than the original model, and significantly reduced parameters compared with the original model. Compared with YOLOv5s under the condition of reducing parameters, the model reasoning speed and detection accuracy are significantly improved by the proposed method, which can be effectively applied to tunnel detection. 
针对隧道内环境复杂,采集系统光照不均匀,衬砌图像产生阴影、对比度低等问题,本文提出了一种结合拉普拉斯金字塔的自动色彩均衡方法(简称 LP-ACE 算法)。计算复杂度由原来的 O(N^4) 降为 O ),大大减少了图像计算量,极大地提高了工作效率。针对地铁隧道重点区域裂缝天窗识别时间短、人工方法效率慢、识别不准确、识别难度大等问题,提出了基于 YOLO v5 的电厂重点区域改进算法:SD-YOLO 算法。用 Ghost 模块代替传统的卷积模块,减少了模型参数,提高了检测精度。通过融合 CBAM 聚焦机制模块,提高了裂纹区域图像的特征学习和特征提取能力,同时削弱了背景对检测结果的影响。采用双向特征金字塔网络进行多尺度特征融合,减少了冗余计算,提高了算法对小目标的检测能力。本文提出的 SD-YOLO 算法在实际样本中表现良好,平均准确率达到 93.1%,比原始模型高出 11.3 个百分点,参数也比原始模型明显减少。与减小参数条件下的 YOLOv5s 相比,本文提出的方法显著提高了模型推理速度和检测精度,可有效应用于隧道检测。
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引用次数: 0
Gaussian Analysis of the Elevator Traffic under the Typical Office Building 典型办公楼电梯交通的高斯分析
Pub Date : 2024-05-10 DOI: 10.54097/379xzj23
Mo Shi, Xiaoyan Xu, Yeol Choi
Elevators serve as indispensable transportation systems in contemporary buildings, facilitating vertical mobility for occupants. However, the proliferation of tall buildings has exacerbated traffic congestion issues within elevator systems. A significant number of elevator passengers voice dissatisfaction with prolonged wait times, leading to impatience and frustration. Traditional approaches to address elevator traffic problems include installing additional elevators or implementing group control systems. However, these solutions often fall short due to designers' limited understanding of elevator traffic dynamics. This research seeks to address these challenges by employing Gaussian analysis to comprehensively examine elevator traffic patterns within a typical office building context. By analyzing both actual monitored data and predictions generated by LS-SVMs, the study aims to offer valuable insights into elevator traffic behavior. Additionally, the research endeavors to serve as a valuable resource for ETA (Elevator Traffic Analysis), providing designers with a deeper understanding of elevator traffic dynamics and guiding the development of more effective solutions to alleviate congestion and improve passenger experience within vertical transportation systems. Through this approach, the study contributes to advancements in elevator design and operation, ultimately enhancing the functionality and efficiency of vertical transportation systems in built environments.
电梯是当代建筑中不可或缺的交通系统,为住户的垂直移动提供了便利。然而,高层建筑的激增加剧了电梯系统的交通拥堵问题。大量电梯乘客对长时间的等待表示不满,从而产生不耐烦和挫败感。解决电梯交通问题的传统方法包括加装电梯或实施群控系统。然而,由于设计人员对电梯交通动态的了解有限,这些解决方案往往无法奏效。本研究试图通过采用高斯分析法来全面考察典型办公楼内的电梯交通模式,从而应对这些挑战。通过分析实际监控数据和 LS-SVM 生成的预测数据,本研究旨在为电梯交通行为提供有价值的见解。此外,该研究还致力于为 ETA(电梯交通分析)提供宝贵资源,让设计人员更深入地了解电梯交通动态,并指导开发更有效的解决方案,以缓解垂直交通系统中的拥堵问题并改善乘客体验。通过这种方法,该研究有助于推动电梯设计和运行的进步,最终提高建筑环境中垂直运输系统的功能和效率。
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引用次数: 0
A Lightweight Object Detection Network for UAV Aerial Images 用于无人机航空图像的轻量级物体检测网络
Pub Date : 2024-05-10 DOI: 10.54097/c5q8fv57
Lin Tang, Shunyong Zhou, Xinjie Wang
In order to solve the problems of poor detection algorithms, high network model complexity, and difficult deployment of algorithms in the field of aerial image target detection. In this paper, based on YOLOv7-tiny algorithm, a lightweight target detection network for UAV aerial images is designed. Partial convolutional PConv is introduced into the network, and the feature extraction block ELAN is improved, which reduces the computational volume of convolution and the number of model parameters in the feature extraction process, thus solving the problem of model lightweight. The feature fusion part of the network is optimal to improve the feature extraction ability of the network for small targets. At the same time, the large target detection layer in the original network is replaced with the small target detection layer in the aerial images, and the attention mechanism is embedded in the backbone network, which solves the problem of imperfect detection algorithms in aerial images. The loss function of the network is improved so that the prediction frames generated by the detection network and the truth frames match each other in the regression process, thus improving the training process of the network. The experimental results on the publicly available dataset VisDrone2019 dataset show that compared with the YOLOv7-tiny algorithm, the detection accuracy of the proposed model is improved by 0.7%, the recall R is improved by 2.2%, the F1 value is improved by 1.6%, the average detection accuracy mean is improved by 2.3%, and the number of parameters is reduced by 52.1%. Moreover, the image detection speed FPS reaches 66/f.s-1, which meets the real-time requirements of the aerial image detection model detection, and provides a research idea for the field of UAV aerial image detection.
为了解决航空图像目标检测领域存在的检测算法不完善、网络模型复杂度高、算法部署困难等问题。本文基于 YOLOv7-tiny 算法,设计了一种轻量级的无人机航空图像目标检测网络。网络中引入了部分卷积 PConv,改进了特征提取模块 ELAN,减少了卷积的计算量和特征提取过程中模型参数的数量,从而解决了模型轻量化的问题。优化网络的特征融合部分,提高网络对小目标的特征提取能力。同时,将原网络中的大目标检测层替换为航空图像中的小目标检测层,并在骨干网络中嵌入关注机制,解决了航空图像中检测算法不完善的问题。改进了网络的损失函数,使检测网络生成的预测帧与真实帧在回归过程中相互匹配,从而改进了网络的训练过程。在公开数据集 VisDrone2019 数据集上的实验结果表明,与 YOLOv7-tiny 算法相比,所提模型的检测精度提高了 0.7%,召回率 R 提高了 2.2%,F1 值提高了 1.6%,平均检测精度均值提高了 2.3%,参数数量减少了 52.1%。此外,图像检测速度 FPS 达到 66/f.s-1,满足了航空图像检测模型检测的实时性要求,为无人机航空图像检测领域提供了一种研究思路。
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引用次数: 0
Intelligent Service of College Library based on the Demand of Compound Talents Training Path Analysis 基于复合型人才培养需求的高校图书馆智能化服务路径分析
Pub Date : 2024-05-10 DOI: 10.54097/mrgpm695
Han Song, Luying Gan, Yue Sha
Cultivating talents is a major plan for the long-term development of the country and the nation, the new era, the country and society put forward higher requirements for college and university students, college libraries as a culture of education, moral education, as an important position, shoulder with an important mission. This paper uses the new concept of General Secretary Xi Jinping on the work of talents in the new era as a guide, and takes the demand of compound talent cultivation as the orientation. Analyze the shortcomings of intelligent services in university libraries in western border areas such as Yunnan, and explore feasible solutions for improving and optimizing library intelligent services, in order to enhance the efficiency of intelligent services and expand service capabilities of university libraries in the region, thereby promoting the improvement of talent cultivation quality in universities.
培养人才是事关国家和民族长远发展的大计,新时代,国家和社会对高校学生提出了更高的要求,高校图书馆作为文化育人、立德树人的重要阵地,肩负着重要使命。本文以习近平总书记关于新时代人才工作的新理念为指导,以复合型人才培养需求为导向。分析云南等西部边疆地区高校图书馆智能化服务存在的不足,探索改进和优化图书馆智能化服务的可行方案,以提升该地区高校图书馆智能化服务效率,拓展服务能力,从而促进高校人才培养质量的提高。
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引用次数: 0
Design and Implementation of a Student Attendance Management System based on Springboot and Vue Technology 基于 Springboot 和 Vue 技术的学生考勤管理系统的设计与实施
Pub Date : 2024-05-10 DOI: 10.54097/nv0yd129
Yixuan Liu
This paper describes in detail the development process of Student Attendance Management System based on Spring Boot, Vue.js and MySQL. The system aims to provide an efficient and automated solution for recording and managing student attendance to improve the daily management efficiency of educational institutions and reduce the administrative burden of teachers. The system adopts a modularized design, covering functional modules such as user management, student management, teacher management, class and course management, attendance record, leave management, statistical report and system settings. Through the practice of this project, we can have a deeper understanding of the powerful functions of modern Web development technology and its application prospects, and deepen our knowledge of Spring Boot back-end development, Vue.js front-end design and MySQL database operation in practical applications.
本文详细介绍了基于 Spring Boot、Vue.js 和 MySQL 的学生考勤管理系统的开发过程。该系统旨在为记录和管理学生考勤提供一个高效、自动化的解决方案,以提高教育机构的日常管理效率,减轻教师的行政负担。系统采用模块化设计,涵盖用户管理、学生管理、教师管理、班级和课程管理、考勤记录、请假管理、统计报表和系统设置等功能模块。通过本项目的实践,我们可以更深入地了解现代Web开发技术的强大功能及其应用前景,加深对Spring Boot后端开发、Vue.js前端设计和MySQL数据库操作在实际应用中的认识。
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引用次数: 0
Research on Application of Multi-modal Large Model in Robot Control 多模态大型模型在机器人控制中的应用研究
Pub Date : 2024-05-10 DOI: 10.54097/5f57td48
Xiran Su
This study discusses the application of multi-modal large model in robot control. With the rapid development of AI and robotics, multi-modal large-scale model, as a large-scale deep learning model integrating multiple sensing modes, provides new ideas and methods for intelligent control of robots in complex environments. Firstly, this paper introduces the basic principle and technical characteristics of multi-modal large-scale model, including its structure, training methods and application scenarios. Then, aiming at the specific application scenarios in smart home environment, this paper designs a series of experiments to evaluate the performance of multi-modal large model in path planning, task effect and generalization ability. The experimental results show that the multi-modal large model can achieve more accurate and efficient path planning and task execution in smart home environment, and has strong generalization ability, which can adapt to the needs of different environments and tasks. Finally, this paper summarizes and looks forward to the application of multi-modal large model in robot control, and points out its important significance and potential application prospect in the development of intelligent robot technology.
本研究探讨了多模态大规模模型在机器人控制中的应用。随着人工智能和机器人技术的快速发展,多模态大规模模型作为一种集成多种感知模式的大规模深度学习模型,为复杂环境下的机器人智能控制提供了新的思路和方法。本文首先介绍了多模态大规模模型的基本原理和技术特点,包括其结构、训练方法和应用场景。然后,针对智能家居环境中的具体应用场景,本文设计了一系列实验来评估多模态大型模型在路径规划、任务效果和泛化能力等方面的性能。实验结果表明,多模态大模型能在智能家居环境中实现更准确、高效的路径规划和任务执行,并具有较强的泛化能力,能适应不同环境和任务的需要。最后,本文对多模态大模型在机器人控制中的应用进行了总结和展望,指出了其在智能机器人技术发展中的重要意义和潜在应用前景。
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引用次数: 0
The Feasibility Study of Artificial Intelligence ChatGPT in Translation Field 人工智能 ChatGPT 在翻译领域的可行性研究
Pub Date : 2024-05-10 DOI: 10.54097/5vp4mn42
Ling Ye
ChatGPT is a kind of natural language processing technology based on generative artificial intelligence, which has powerful ability of language processing, judgment and correction. The development of artificial intelligence has greatly promoted the progress of machine translation, that is, in order to improve the efficiency of translation, artificial intelligence translation technology came into being, so ChatGPT has also gained keen attention in the translation field. However, the challenges and problems brought by new technologies are also prominent, and how to make better use of new technologies to promote the development of translation studies is an important issue that needs to be solved at present. Therefore, this paper discusses the feasibility of artificial intelligence ChatGPT in translation field from the aspects of its application, dilemma and countermeasures.
ChatGPT 是一种基于生成式人工智能的自然语言处理技术,具有强大的语言处理、判断和修正能力。人工智能的发展极大地推动了机器翻译的进步,即为了提高翻译效率,人工智能翻译技术应运而生,因此 ChatGPT 在翻译领域也得到了热切关注。然而,新技术带来的挑战和问题也十分突出,如何更好地利用新技术推动翻译学的发展是当前亟待解决的重要问题。因此,本文从人工智能 ChatGPT 在翻译领域的应用、困境及对策等方面探讨了人工智能 ChatGPT 在翻译领域的可行性。
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引用次数: 0
Analysis of Dispersibility and Mechanical Properties of Lignin Modified Dispersive Soil 木质素改性分散土的分散性和力学性能分析
Pub Date : 2024-05-10 DOI: 10.54097/7pxy3d03
Zhongyu Yu, Xin Xu, Hao Liu, Zeju Wu
Dispersive soil is a kind of special soil with water sensitivity, which is easy to produce ravages such as gully and piping when encountering water in engineering. In order to improve the poor engineering properties of dispersive soil, a kind of lignin was selected to improve the dispersibility and mechanical properties of dispersive soil in western Jilin Province. Pinhole test, fragment test, unconfined compressive strength test and resistivity test were carried out on the improved soil samples with different lignin content. The results showed that lignin could significantly reduce the dispersibility of dispersive soil. With the increasing of curing time, the unconfined compressive strength of the improved soil samples increased gradually. With the increase of lignin content, the unconfined compressive strength of the improved soil first increased and then decreased, and the peak strength appeared when the lignin content was 3%. In the resistivity test, the resistivity of the improved soil decreased gradually with the increase of lignin content. Through microscopic analysis of lignin improved soil samples, it can be concluded that lignin fibers play a stereograin-like bridging role in soil, which promotes the formation of larger aggregates, weakens the dispersion of single soil particles, and thus reduces the dispersion of soil mass and improves the strength of soil mass. This study can provide a basis for the improvement of dispersive soil in seasonal freezing area and has practical engineering significance.
分散土是一种对水敏感的特殊土壤,在工程中遇水易产生沟壑、管道等破坏。为了改善分散土不良的工程性质,吉林省西部地区选用了一种木质素来改善分散土的分散性和力学性质。对不同木质素含量的改良土样进行了针孔试验、碎片试验、无侧限抗压强度试验和电阻率试验。结果表明,木质素能显著降低分散土的分散性。随着固化时间的延长,改良土样的无压抗压强度逐渐增加。随着木质素含量的增加,改良土的无压抗压强度先增大后减小,当木质素含量为 3% 时强度达到峰值。在电阻率测试中,改良土的电阻率随着木质素含量的增加而逐渐降低。通过对木质素改良土样品的显微分析,可以得出结论:木质素纤维在土壤中起到立体粒状架桥作用,促进形成较大的团聚体,减弱单个土粒的分散性,从而降低土块的分散性,提高土块强度。该研究可为季节性冰冻地区分散性土壤的改良提供依据,具有实际工程意义。
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引用次数: 0
Research on Atmospheric Attenuation Compensation Technology of High-Frequency Band Microwave in Long-Distance Transmission 长距离传输高频段微波的大气衰减补偿技术研究
Pub Date : 2024-05-10 DOI: 10.54097/9a1gdh15
Yanping Chang, Qibin Li, Jianan Zhang
With the rapid development of wireless communication technology, high-frequency band microwaves (e.g., millimeter-wave and terahertz wave) show great potential in the field of high-speed data transmission due to their huge bandwidth resources. However, high-frequency band microwaves are seriously affected by atmospheric attenuation during transmission, especially at long distances, and this attenuation significantly reduces the signal strength and quality. Therefore, the study of accurate modeling of atmospheric attenuation as well as effective compensation techniques is crucial for improving the performance of long-distance transmission of high-frequency band microwaves.
随着无线通信技术的快速发展,高频段微波(如毫米波和太赫兹波)因其巨大的带宽资源,在高速数据传输领域显示出巨大的潜力。然而,高频段微波在传输过程中会受到大气衰减的严重影响,尤其是在远距离传输时,这种衰减会大大降低信号强度和质量。因此,研究大气衰减的精确模型和有效补偿技术对于提高高频段微波的长距离传输性能至关重要。
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引用次数: 0
Research and Design of STM32 and Qt based Medical Smart Cockpit Convenient Medical Care System 基于 STM32 和 Qt 的医疗智能驾驶舱便捷医疗系统的研究与设计
Pub Date : 2024-05-10 DOI: 10.54097/486rm605
Chen Li, Zhesheng Hou, Yu Wang, Xin Zhang
In order to simplify the process of patients' medical treatment and realise contactless and efficient medical treatment in the post-epidemic era, a convenient medical treatment system oriented to medical smart cockpit is designed to facilitate patients' medical treatment. The system is based on STM32F103RCT6 as the main controller chip, and the peripheral circuit consists of MAX30102 sensor, DS18B20 sensor, and Bluetooth module, which can realise the transmission of basic physiological data collected from patients to the doctor's end. The system uses Qt Creator to design the application interface, and eventually the patient can complete the relevant medical process in the cockpit. This design reduces the contact between the patient and the healthcare personnel and improves the efficiency of hospital visits.
为了简化患者就医流程,实现后疫情时代的非接触式高效就医,设计了一种面向医疗智能驾驶舱的便捷就医系统,方便患者就医。该系统以 STM32F103RCT6 作为主控芯片,外围电路由 MAX30102 传感器、DS18B20 传感器和蓝牙模块组成,可实现将采集到的患者基本生理数据传输到医生端。系统采用 Qt Creator 设计应用界面,最终患者可在驾驶舱内完成相关医疗过程。这种设计减少了病人与医护人员之间的接触,提高了医院的就诊效率。
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引用次数: 0
期刊
Frontiers in Computing and Intelligent Systems
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