检索结果-内蒙古大学图书馆

Simplified identification of fire spread risk in building clusters based on digital image processing technology

INTERNATIONAL JOURNAL OF image AND DATA FUSION 2025年第1期16卷

作者： Hong, Yanan Jiaxing Vocat & Tech Coll Dept Acad affairs Off Jiaxing 314036 Zhejiang Peoples R China

Due to factors such as smoke, the non fire identification rate and fire identification accuracy in building fire identification are low, resulting in poor identification results. Therefore, a simplified identification method for building fire spread risk based on digital image processing technology is proposed. A fire spread model is constructed by considering both thermal radiation and thermal plumes, and based on this model, changes in smoke, temperature, and other factors during the occurrence of a fire are obtained. Using K-means to improve the dark channel defogging algorithm, the image after defogging is obtained, making the colour of the image more prominent and the feature information more abundant. Using the area threshold method to further extract the flame target contour in the defogged image, and determine whether the suspected flame area is a flame. Finally, four aspects of colour, sharp corner characteristics, area growth characteristics, and automatic estimation of propagation direction were identified to obtain simplified identification results for fire propagation risk. The experimental results show that the average non fire recognition rate of the proposed method reaches 95.8%, with good fire recognition accuracy and recognition effect, which verifies its feasibility.

关键词： digital image processing technology risk of fire spread dark channel defogging area threshold spread direction estimation

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Reconstruction and evolution of 3D model on asphalt pavement surface texture using digital image processing technology and accelerated pavement testing

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ROAD MATERIALS AND PAVEMENT DESIGN 2024年第8期25卷 1694-1719页

作者： Ji, XiaoPing Zhu, Shiyu Sun, Yunlong Li, Hangle Chen, Ye Chen, Yun Changan Univ Key Lab Special Area Highway Engn Minist Educ Xian Shaanxi Peoples R China Xinjiang Transportat Planning Surveying & Design I Urumqi Xinjiang Peoples R China Tian Jin Municipal Engn Design & Res Inst Co Ltd Shenzhen Guangdong Peoples R China

Asphalt pavement surface texture is the main factor affecting pavement function. Reconstruction of the asphalt pavement surface texture is needed to accurately reveal its evolutionary characteristics for pavement performance and quality evaluation. To reconstruct an optimised 3D model of the asphalt pavement surface texture and to study its evolutionary properties, digital image processing technique and accelerated pavement testing system were used. First, the asphalt pavement surface texture 3D model optimised by three camera parameters and their thresholds. Next, the accelerated pavement testing system simulated traffic loadings on dense-gradation asphalt mixtures to investigate the pavement surface texture evolution properties. Finally, predictive models are developed for the asphalt pavement surface texture evolution. Results show that the optimised pavement texture 3D model resembles actual pavement structure. The surface texture evolutionary characteristics of asphalt pavement can be divided into three periods and six stages. The evolution model can accurately characterise the evolution of the surface texture of asphalt ***: MLS11: Accelerated pavement testing system;HP: Mean pixel difference;Df: Fractal Dimension;MTD: Mean Texture Depth;BPN: British Pendulum Number

关键词： Asphalt pavement surface texture digital image processing technology accelerated pavement testing evolutionary characteristics

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Classification of Dielectric Barrier Discharges Using digital image processing technology

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IEEE TRANSACTIONS ON PLASMA SCIENCE 2012年第5期40卷 1371-1379页

作者： Wu, Yunfei Ye, Qizheng Li, Xingwang Tan, Dan Huazhong Univ Sci & Technol State Key Lab Adv Electromagnet Engn & Technol Coll Elect & Elect Engn Wuhan 430074 Peoples R China

A digital image processing technology-gray level histogram obtained by image processing of the discharge-is proposed to classify the two kinds of dielectric barrier discharge (DBD) modes. With an increase of the applied voltage, frequency, or exposure time, the kurtosis and the skewness of the gray levels decrease, the standard deviation of the gray levels increases significantly in the case of filamentary mode, in contradistinction to the case of homogeneous mode, where its kurtosis, skewness, and standard deviation remain almost constant. The majority of the pixels correspond to near-zero gray levels in the case of the filamentary mode and have a larger gray level for the homogeneous mode. With a decrease of the pressure, the mean gray level in the homogeneous mode increases significantly when the voltage is kept fixed. This suggests that the onset voltage in higher pressure is larger than that in lower pressure. The mean gray level in Ar is larger than that in He when the voltage is kept fixed. It may mean that the onset voltage in He is larger than that in Ar. These results indicate that the method is not only effective but also simple to classify the DBD modes.

关键词： Classification dielectric barrier discharges (DBDs) digital image processing technology gray level histogram (GLH)

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Analysis and Research of digital image processing technology Based on Fuzzy Algorithm 1st

Analysis and Research of Digital Image Processing Technology...

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World Conference on Intelligent and 3-D Technologies (WCI3DT)

作者： Wang, Ruoyan Zhongnan Univ Econ & Law Zhongnan Peoples R China

ISBN: (纸本)9789811971860;9789811971846;9789811971839

As the main content of digital image processing technology, image segmentation plays a positive role in robot vision, imaging target recognition and tracking, image understanding, and so on. image filtering recovery technology is the main link of digital image preprocessing, and the quality of actual operation determines the accuracy of filtering segmentation. In the process of image formation, it is difficult for people to quickly understand the main situation of information loss during imaging, resulting in ambiguity and similarity in image processing. Fuzzy information processing technology based on fuzzy set theory shows unique advantages in dealing with imprecise knowledge description and fuzzy uncertain events, so this paper mainly discusses how to use fuzzy information processing technology to improve image filtering algorithm and segmentation algorithm. According to the histogram exponential smoothing principle and peak point detection principle, a new image segmentation algorithm is constructed, and the final practice results show that this content can obtain the best segmentation threshold value in meticulous segmentation.

关键词： Fuzzy algorithm digital image processing technology image segmentation Histogram exponential smoothing Peak detection

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Research on digital Oil Painting Based on digital image processing technology

Research on Digital Oil Painting Based on Digital Image Proc...

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IEEE Conference on Telecommunications, Optics and Computer Science (TOCS)

作者： Ma, Ying Inner Mongolia Univ Nationalities Tongliao 028000 Inner Mongolia Peoples R China

ISBN: (纸本)9781728181172

With the development of the times and the progress of society, the achievements of human civilization have been accumulated. Under the background of the rapid development of computer network and information technology, the traditional way of information transmission based on words can no longer meet the needs of people in the new era. Therefore, in this era of widespread data and image processing technology, image as a way of information dissemination has been more and more well known. In order to meet the challenges of the new era to the research of digital oil painting, this paper puts forward the method of applying digital image processing technology to the research of digital oil painting. Through the digital image processing technology to analyze the large amount of information contained in the digital oil painting, combined with the new requirements of the new era for digital oil painting research, a set of digital oil painting research and development most suitable for the new era is formulated The new plan of the exhibition. Through long-term research and analysis, it is found that digital image processing technology has a profound impact on the research of digital oil painting. The research method proposed in this paper successfully provides a new idea for the research and development of digital oil painting.

关键词： Computer Network Information technology digital image processing technology digital Oil Painting

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Application of digital image processing technology in Interferometer

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INTERNATIONAL JOURNAL OF ONLINE ENGINEERING 2013年第SPECIALISSUE.6期9卷 65-68页

作者： Zhou, Shuyu Zhang, Geng Li, Jia Chongqing Technol & Business Inst Chongqing 400052 Peoples R China

For the history of the development of digital image processing and the content of the involved. Departure from the point of view of the advantages and development trends of digital image processing technology, and digital image processing technology in the specific application of the interferometer made a certain degree of analysis. In this paper, digital image processing technology in wide range of applications and significance of the interferometer, made some research, expect these research and analysis, for development of digital image processing technology and its further development in the interferometer, to have certain reference and guidance significance.

关键词： digital image processing technology interferometer application and analysis CCD

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Research on the Application of digital image processing technology in Intelligent Transportation

Research on the Application of Digital Image Processing Tech...

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2016 2nd International Conference on Materials Engineering and Information technology Applications(MEITA 2016)

作者： Wenshuai Ji Xiaodong Zhang Henan Mechanical and Electrical Vocational College

ISBN: (纸本)9781510837003

With the development of digital image processing technology,traffic video monitoring technology based on image processing technology has become an important frontier research field of intelligent transportation *** characteristics of intelligent transportation system and digital image processing technology are briefly *** paper also analyzed emphatically the application of digital image processing technology in intelligent transportation system,such as information collection,license plate recognition,vehicle detection and tracking.

关键词： Application digital image processing technology Intelligent Transportation

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Application of digital image processing technology in Spray

Application of Digital Image Processing Technology in Spray

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2019 7th International Conference on Machinery,Materials and Computing technology(ICMMCT 2019)

作者： Xu Yan Suzhou Institute of Trade and Commerce

With the continuous development of social science and technology,the links between various industries are becoming more and more *** present,digital image processing technology has become an indispensable technology in China's modernization construction,which is closely related to industries that need image processing,such as industry,communication technology,engineering and so *** particular,the spray processing technology for images taken by high-resolution digital cameras has occupied an important position in modern life *** paper will briefly summarize the digital image processing technology,analyze the status quo of its development,focus on its application in spray,and provide relevant reference and suggestions for relevant practitioners.

关键词： digital image processing technology spray technology

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Research on the Application of digital image processing technology in Film and Television Garments

Research on the Application of Digital Image Processing Tech...

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Advanced Electronic Materials, Computers and Software Engineering (AEMCSE), International Conference on

作者： Meihui Zheng Jilin Animation Institute Changchun China

ISBN: (数字)9781728181431

ISBN: (纸本)9781728181448

With the development of the time, the aesthetic concept changes constantly, and the audience's aesthetic demand for film and television clothing is also higher and higher. In the whole film and TV series, costume design is not passive, but participating in creation and keeping pace with the time. For a long time, when the effect diagram of clothing creation is transformed into clothing, it is limited by materials, and the innovation of materials is often ignored by people. Based on this consideration, this paper, with the help of computer digital image processing technology, discusses and explores innovative methods of material selection in film and television clothing, so as to improve viewers' visual experience of the overall effect of film and television clothing.

关键词： Film and television clothing Materials Computer technology digital image processing technology Application research on Clothing Computer technology Films Television Materials development time Materials selection

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The digital image processing technology in Application of License Plate Recognition Intelligent System

The Digital Image Processing Technology in Application of Li...

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2018第3届联合国际信息技术，机械与电子工程学术会议(JIMEC 2018)

作者： Huangfei Chen Zhuangying Fang Guangzhou Huali Science and Technology Vocational College

With the development of science and technology and the development of transportation industry, the intelligent traffic management system is becoming more and more updated. A vehicle license plate recognition system has been widely used in people's lives. In this paper, four steps of license plate recognition and their corresponding algorithms are analyzed and studied: the license plate image preprocessing part includes image de-fogging pretreatment, spatial smoothing filtering, image sharpening and other processes;the license plate image positioning methods are compared, and the Radon transform used to correct the license plate image;license plate character segmentation. The character contour method is used to segment the characters and the template matching method is used to license plate character recognition. The improvement of image processing is also proposed. It is proved that the current vehicle recognition system can meet the requirements of accurate license plate recognition, and the robustness and accuracy are improved compared with the general model.

关键词： digital image processing technology recognition Edge detection character recognition

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