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2023 International Conference on Integrated Intelligence and Communication Systems, ICIICS 2023

作者： Jin, Lin Shaanxi Fashion Engineering University Shaanxi Province Xi'an City China

ISBN: (纸本)9798350315455

In response to the problems existing in current methods for enhancing the quality of art works, this paper introduced a method for enhancing the quality of art works based on image processing technology. First, the edge of the image in the art works was enhanced by fuzzy enhancement technology. Then the image was balanced by the improved histogram equalization technology and the image was denoised based on the gray transformation algorithm. Finally, the processed image was processed based on the local mean algorithm. The experimental results showed that after using the proposed method to enhance the quality of art works, the peak signal-to-noise ratio and average gradient of the image have been significantly improved. The expert's peak signal-to-noise ratio score could reach up to 89.8 points and the average gradient score could reach up to 88.3 points. © 2023 IEEE.

关键词： art works histogram equalization image processing technology local mean quality enhancement

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Non-destructive testing method for building material defects based on image processing technology

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INTERNATIONAL JOURNAL OF MATERIALS & PRODUCT technology 2024年第3-4期68卷 230页

作者： Chi, Yufeng Qiao, Ligang Hu, Shuting Yu, Peng Tang, Haoxiang Second Construction Co Ltd China Construct Grp 1 Beijing 102699 Peoples R China

In order to improve the detection accuracy of building material defects and shorten the detection time, a non-destructive testing method for building material defects based on image processing technology is proposed. Firstly, an array CCD camera is used to capture images of building defect material. Secondly, in order to improve the quality of building material images, image processing techniques are adopted, including greyscale processing, edge enhancement, and smooth filtering. Finally, the triangulation method is used to segment the defect areas and background areas in the building material image, completing non-destructive testing of building material defects. The experimental results show that the method proposed in this paper can improve the quality of building material images, improve detection accuracy, and shorten detection time.

关键词： image processing technology defects in building material non-destructive testing greyscale processing triangulation method

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Experimental study of defrosting control method based on image processing technology for air source heat pumps

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SUSTAINABLE CITIES AND SOCIETY 2019年 51卷 101667-000页

作者： Zheng, Xuejing Shi, Rui You, Shijun Han, Yong Shi, Kaiyu Tianjin Univ Sch Environm Sci & Engn Tianjin 300350 Peoples R China Tianjin Univ Minist Educ China Key Lab Efficient Utilizat Low & Medium Grade Ene Tianjin 300350 Peoples R China Guangzhou Metro Design & Res Inst Co Ltd Guangzhou 510010 Guangdong Peoples R China

Air source heat pump (ASHP) technology is widely accepted as a heating and cooling source for the merits of energy saving and environmental protection. However, the mal-defrosting phenomenon caused by indirect-measurement-based defrosting control method is a prominent concern. To avoid mal-defrosting phenomena, Temperature-Humidity-image (T-H-I) method, a novel defrosting control method based on image processing technology was proposed in this paper. Frost visual characteristics were quantified by image preprocessing, grayscale conversion and mull-threshold segmentation technology. Non-frosting zone, moderate frosting zone and severe frosting zone were distinguished. The frosting coefficient P was introduced to evaluate the degree of frosting. Optimal criterion judgment for defrosting initiation (P-1 = 0.3) and termination (P-2 = 0.05) was determined and its applicability was verified under various environmental conditions. Both the performance of the commonly used Temperature-Time (T-T) method and the T-H-I method were investigated. The results show that 'belated defrosting' and 'unnecessary defrosting' phenomena are inevitably found under the T-T method due to the lack of direct control information, while the T-H-I method could detect the formation of frost layer directly, thus making more reasonable defrosting decisions. The proposed T-H-I method demonstrates obvious advantages in avoiding mal-defrosting phenomena and therefore has a promising application prospect in ASHP technology.

关键词： Temperature-Humidity-image defrosting control method image processing technology Mal-defrosting phenomenon Air source heat pump

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Rapid Calibration of Nanoliter per Second Flow Rate by image processing technology

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MICROMACHINES 2023年第6期14卷 1189-1189页

作者： Luo, Jiawei Yang, Cheng Shen, Yan Sun Yat sen Univ Sch Aeronaut & Astronaut Shenzhen Campus Shenzhen 518107 Peoples R China Shenzhen Key Lab Intelligent Microsatellite Conste Shenzhen 518107 Peoples R China

The need for high-precision microflow control is increasingly evident across various fields. For instance, microsatellites employed in gravitational wave detection require flow supply systems with a high accuracy of up to 0.1 nL/s to achieve on-orbit attitude control and orbit control. However, conventional flow sensors are unable to provide the necessary precision in the nanoliter per second range, and thus, alternative methods are required. In this study, we propose the use of image processing technology for rapid microflow calibration. Our method involves capturing images of the droplets at the outlet of the flow supply system to rapidly obtain the flow rate, and we used the gravimetric method to verify the accuracy of our approach. We conducted several microflow calibration experiments within the 1.5 nL/s range and demonstrated that image processing technology can achieve the desired accuracy of 0.1 nL/s while saving more than two-thirds of the time required to obtain the flow rate within an acceptable margin of error compared to the gravimetric method. Our study presents an efficient and innovative approach to addressing the challenges of measuring microflows with high precision, particularly in the nanoliter per second range, and has the potential for widespread applications in various fields.

关键词： microflow image processing technology rapid calibration gravimetric method

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Mobile robot location algorithm based on image processing technology

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EURASIP JOURNAL ON image AND VIDEO processing 2018年第1期2018卷 1页

作者： Wu, Guifeng Zheng, Jie Bao, Jiatong Li, Shengquan Yangzhou Univ Dept Elect Engn 196 Huayang West Rd Yangzhou 225127 Jiangsu Peoples R China

To improve the reconfigurable micro mobile robot cluster system based on precision detection, a positioning and tracking system based on computer digital image processing technology was developed. The system consisted of three subsystems: image acquisition and preprocessing subsystem, rapid positioning subsystem based on robot marker recognition, and tracking subsystem based on position estimation. First, after studying the related algorithms in the subsystem, the threshold selection method of adaptive gray weight conversion was proposed for image preprocessing. Then, a fast positioning method based on marker recognition for miniature mobile robots was proposed. The selection of micro-robot markers and the basis for judging the selection of moments were given. A triangular projection positioning method was implemented, and related experimental results were given. Finally, the windowing scanning algorithm was optimized. According to the speed and direction of the robot, a tracking algorithm for position estimation was proposed. Through the simulation experiment, the effect of system positioning tracking and the system reference time in 0.270s were given. The results showed that the system had high real-time performance.

关键词： Mobile robot Positioning and tracking image processing technology

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A rapid approach for determining the mechanical properties of geopolymer concrete based on image processing technology (IPT)

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CONSTRUCTION AND BUILDING MATERIALS 2023年第1期378卷

作者： Fan, L. F. Ding, H. Zhong, W. L. Xu, C. B. Beijing Univ Technol Coll Architecture & Civil Engn Beijing 100124 Peoples R China Res Inst Highway Minist Transport Beijing 100088 Peoples R China

The rapid determination of the mechanical properties of geopolymer concrete (GPC) is important for improving the efficiency of repair engineering. In this study, a rapid approach for the determination of the mechanical properties of GPC based on image processing technology (IPT) was proposed. First, a mesoscopic structure model of GPC with an aggregate content of 40.0 % was established based on IPT and the mesoscopic parameters of GPC were determined in a numerical simulation. Second, the accuracy of the mesoscopic parameters of GPC was verified by comparing the numerical simulation results and experimental results of GPC with 50.0 % aggregate content. Finally, a rapid approach combining IPT and a numerical simulation was applied to investigate the effects of aggregate contents on the mechanical properties of GPC and an optimal aggregate content was predicted. The results show that the approach based on IPT and numerical simulation can accurately predict the mechanical properties of GPC with an error of less than 10.0 %. The failure mode predicted by the approach is also consistent with the actual failure mode obtained by the experiment. The results also show that the optimum aggregate content predicted by the proposed approach is 65.0 %, which has the highest compressive strength and is consistent with the experimental results. The proposed approach has potential application prospects in rapid repair engineering, due to its non-contact, accurate and efficient characteristics.

关键词： Geopolymer Rapid determination approach image processing technology Optimum aggregate content Mechanical properties

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Study of Morphological Characteristics of Electrical Apparatus Arc by High-speed Photography and image processing technology

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JOURNAL OF ALGORITHMS & COMPUTATIONAL technology 2014年第1期8卷 113-125页

作者： Liu Xiangjun Lan Taishou Xie Baohe Fuzhou Univ Coll Elect Engn & Automat Fuzhou 350116 Fujian Peoples R China

The images of arc motion of the electrical apparatus during breaking process are taken by the test device based on high-speed camera in this paper. By means of a series of processing methods such as median filtering, Gaussian filtering, grayscale transformation and binary conversion, the arc images are processed and the total pixel values of arc images are calculated to complete the numerical representation of the arc morphology. The relationship between the arc pixel area and time during the whole process from arc ignition to extinction is studied. It can provide the basis for the study of arc motion discipline.

关键词： Electrical Apparatus Arc High-speed Photography technology image processing technology Arc Pixel Area

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Research on the Application of Computer Graphics and image processing technology in Graphic Design

International Core Journal of Engineering

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International Core Journal of Engineering 2022年第8期8卷 690-696页

作者： Ziang Wu

Computer graphics and image processing software, as an auxiliary technology widely used in graphic design, can provide creativity and color display for graphic design. At the same time, image processing software can also improve the aesthetics and connotation of graphic design. This paper innovatively proposes a computer graphics and image processing reconstruction method for dynamic object model based on point cloud model. The method adopts the principle of watershed segmentation to segment the image and extract the contour of the watershed; and then uses the silhouette contour sequence modeling method to reconstruct the sparse point cloud model of the object. Finally, the experimental research proves that the image processing algorithm model proposed in this paper can quickly generate a flat model with compact description and appearance.

关键词： Computer image processing technology Graphic Design Modeling Visual Shell Point Cloud Model

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Development of dimension measurement and sheet texture locating system of forming products by using image processing technology

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Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao 2006年第6期27卷 627-632页

作者： Sheu, Jinn-Jong Hsu, Quang-Cherng Chang, Hung-Chih Department of Mold and Die Engineering National Kaohsiung University of Applied Sciences Kaohsiung City 807 Taiwan Department of Mechanical Engineering National Kaohsiung University of Applied Sciences Kaohsiung City 807 Taiwan

In this paper, the dimensions of a forming product are measured and the orientations related to the rolling direction are determined automatically by using the image processing technology. The height of a drawn cylindrical cup is usually irregular on the top edge owing to the effect of material anisotropy. The proposed image processing technology is able to measure the values of cup height in all directions. The measured cup height data are compared to find the maximum and minimum points of the profile. The maximum profile deviation is calculated using the vertical distance of the maximum and minimum points. The texture orientations of the drawn cup are determined by the proposed searching algorithm. The cup height profile is useful not only for the quality control of product but also the detail comparison of the CAE results and experimental data.

关键词： Anisotropy image processing technology Metal forming

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Green building considering image processing technology combined with CFD numerical simulation

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APPLIED MATHEMATICS AND NONLINEAR SCIENCES 2022年第1期8卷 1707-1718页

作者： Yin, Xiaojing Inner Mongolia Vocat & Tech Coll Architecture Sch Construct Engn Management Hohhot 010000 Inner Mongolia Peoples R China

In order to solve the increasing phenomenon of building energy consumption, the green building is deeply studied by combining image processing technology and CFD digital simulation technology. The research status of green building design is compared. The optimal green building design scheme is obtained by introducing CFD numerical simulation method, introducing finite element Navier -Stokes equation, equation turbulence model and so on. This paper analyzes the design optimization of modern green buildings, and explores the application of CFD numerical simulation technology in green building design. In practice, combined with the practice of CFD in the research project, this paper studies the five evaluation indexes of CFD technology in green building design, such as land saving, water saving, energy saving, material saving and indoor environment. This paper verifies the possibility of using CFD technology in the process of green building design, and promotes the application of CFD in green building design by using CFD technology to assist green building evaluation standards in green building design.

关键词： image processing technology CFD numerical simulation Green building Outdoor wind environment CFD application

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