WEBSep 1, 2019 · Experimental results demonstrate that the coal flow detection accuracy of the proposed method can reach %, and the singleframe image processing time is less than The proposed method is verified to meet the accuracy and realtime requirements of coal mines.
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WEBDec 1, 2018 · This research work considers flame image processing using region of interest (ROI), fuzzy logic, and neural networks for efficient temperature measurement, and develops a sintering state recognition system with features of .
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WEBJul 2, 2021 · Coal Flow Volume Measurement of Belt Conveyor Based on Binocular Vision and Line Structured Light. July 2021. DOI: / Conference: 2021 IEEE International Conference ...
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WEBSep 1, 2018 · The authors have proposed a threedimensional measuring method used on particles of pulverized coal by the image processing system with two microscopes. The previous method was developed to measure . Expand
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WEBOct 1, 2023 · The digital image measurement system utilizes commonly available digital cameras and image processing software, making it a costeffective alternative. 4. Nondisturbing: The digital image measurement system is nondisturbing to the deformation process of the coal sample.
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WEBMar 28, 2016 · Figure 2: Measuring the size of objects in an image using OpenCV, Python, and computer vision + image processing techniques. As you can see, we have successfully computed the size of each object in an our image — our business card is correctly reported as x, our nickel is accurately described as x .
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WEBFeb 7, 2023 · Coal Based on Image Processing and SEM Technology Mingyue Jia 1, Wenhui Huang 1,2, * and Yuan Li 1 1 Key Laboratory for Marine Reservoir Evolut ion and Hydrocarbon Abundance Mechanism,
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WEBAug 1, 2008 · In 1996 the Fragblast 5 Conference held a workshop on the measurement of blast fragmentation with the stated aim "to review the stateoftheart in image processing as applied to measurements of rock fragmentation" Franklin et al. [10]. The proceedings of this workshop provide the most thorough review of the field to date.
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WEBFeb 10, 2020 · A quantitative analysis of the porosity, pore size distribution, and fractal dimensions of pores is significant for studying the pore structure characteristics of coal. This study utilized 12 anthracite coal samples from the Sihe mining area to explore the pore structure characteristics of the coal therein. Hundred randomly selected points on each .
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WEBJul 1, 2017 · Measurement of coal particle combustion behaviors in a drop tube furnace through highspeed imaging and image processing Presented at the IEEE International Instrumentation and Measurement Technology Conference, Taipei, Taiwan, 23–26 May 2016 ( 2016 ), /
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WEBThe distribution of reflectivity of coal in the image varied according to the moisture content and particle size. It affected the intensity information of the image which was then used to predict the surface moisture content of the coal. The method is now being used successfully in a processing plant.
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WEBJul 1, 2015 · Gao et al. [20] conducted the online measurement of particle size and shape and their distributions through image processing, where the images of particles were acquired from a color CCD camera ...
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WEBThis article presents an image segmentation model based on UNet combined with visual sensing. It is aimed at studying the inherent mechanism of coal dust imagery characteristics and is employed to carry out semantic segmentation of particle images. For the feature maps with more redundant information generated by the conventional method, the .
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WEBDec 1, 2014 · Improv ements in coal particle size . distribution are bene ficial to carbon burnout. ... Cereal grain size measurement based on image processing technology. Article. Aug 2010; Yong Wu;
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WEBJul 15, 1998 · Semantic Scholar extracted view of "Particle overlap and segregation problems in online coarse particle size measurement" by Y. Yen et al. ... Online full scan inspection of particle size and shape using digital image processing. C. Liao JiunHung ... Simulation study on interaction coefficient of DEM in non–spherical large size (5–30 mm ...
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WEBFeb 15, 2022 · The existing and urgent problem to be solved is the low accuracy and efficiency of coal/gangue recognition. Image processing method is the most promising approach for automatic coal ... Download fullsize image; Fig. 3. Layout diagram of coal gangue samples and monitoring points. ... The measurement method and test .
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WEBAug 21, 2021 · Comparison of Coal Particle Size Measurement Results of. Di ... Computer Vision Graphic and Image Processing, vol. 29, no. 3, pp. 273 ...
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WEBJan 1, 2007 · In [8], the spectral emissivity of a solid dispersed phase of a flame was calculated from the measurements of the spectral irradiation, and the experimental results were presented for different pulverizedcoalfired furnaces. The flame image processing techniques in the visible region have been used as effective tools for flame study ...
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WEBJan 1, 2022 · This article presents an image segmentation model based on UNet combined with visual sensing. It is aimed at studying the inherent mechanism of coal dust imagery characteristics and is employed ...
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WEBJul 1, 2018 · Zhang [14] proposed a measuring method based on the raw image processing techniques to obtain temperature distribution of the coal fired flame in furnace. Blaszczuk [15] assessed the impact of bed ...
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WEBMar 1, 2018 · To manually obtain the particle size distribution from SEM or TEM images is inefficient and can bring some potential subjective errors. To address this problem, an image processing algorithm which can automatically measure the particle size in different noises, overlapped particles and uneven backgrounds has been developed in this paper.
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WEBDOI: /S(97)000940 Corpus ID: ; An image processing algorithm for measurement of flotation froth bubble size and shape distributions article{Sadrkazemi1997AnIP, title={An image processing algorithm for measurement of flotation froth bubble size and shape distributions}, author={N. Sadrkazemi and Jan J. .
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WEBDec 1, 2018 · Online and continuous measurements of coal powder size distribution in coalfired plants remain challenging. A coal powder size measurement system based on digital holography (DH) is developed.
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WEBJun 1, 2012 · As for image size, ... Online flicker measurement of gaseous flames by image processing and spectral analysis. Meas Sci Technol, 10 (1999), ... Baeg S, Cho C. Flame image processing analysis for optimal coal firing of thermal power plant. In: ISIE 2001: IEEE international symposium on industrial electronics proceedings, vol. ...
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WEBNov 1, 2012 · Abstract. This paper discusses the appliion of image processing methods in the Coal preparation detection system. The system uses a light source to illuminate the coal and coal gangue, and then ...
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WEBMar 26, 2009 · This method establishes the relationship between the flow of pulverized coal injection and the features of the tuyere images with digital image processing technology based on analyzing the video ...
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WEBNov 30, 2022 · As the most costeffective load measurement method at present, the method of vision with laserassisted has problems such as difficulty in finding breakpoints and lines, complex image processing flow, and low realtime performance when applied to the measurement scene with large lump coal.
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WEBJun 1, 2009 · A simple measurement method of temperature and emissivity of coalfired flames from visible radiation image and its appliion in a CFB boiler furnace ... Download fullsize image; ... The research on the estimation for the NOx emissive concentration of the pulverized coal boiler by the flame image processing technique. Fuel, 81 (16) (2002 ...
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WEBJul 1, 2019 · The work presents image processing based automated system to measure grain size. ... it is likely that the grains will be oversegmented and this will affect the size measurement significantly. Various segmentation methods are commonly used in the field of geology [13], [14], [15]. But these methods are not applicable in the current context as ...
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WEBNov 11, 2023 · Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energysaving nature. However, the response characteristics of coal and gangue vary greatly under different illuminance conditions, which poses challenges to .
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WEBNov 1, 2011 · The study on the quantifiion of micropores by image processing is ongoing. However, there are many issues with the corresponding image processing technologies and measurement methods, which influence the accuracy of results. A methodology of quantifiion and characterization of micropore system is introduced on .
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WEBJun 1, 2024 · 1. Introduction. Coal seam water injection is a comprehensive disaster prevention measure, which has been widely used in the fields of coal and gas outburst prevention, dustproof and rock burst prevention [1], [2], [3], the water transport includes two processes: seepage and spontaneous imbibition [4].Spontaneous imbibition is a natural .
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WEBMay 8, 2019 · The distribution of reflectivity of coal in the image varied according to the moisture content and particle size. It affected the intensity information of the image which was then used to predict ...
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WEBJul 1, 2020 · Ouyang, Wen, et al. proposed a method combining radiation image processing and numerical simulation of the pulverized coal combustion process in raceway [31], [32]. ... [32]. Qin established the correspondence between the characteristics of the image and the pulverized coal flow [33]. ... particle size and surface defects .
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