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Particle size identification method, device, equipment and medium

A technology of particle size and identification method, which is applied in the field of image processing, can solve problems such as inaccurate actual size and uneven stacking of coal powder, and achieve the effect of improving detection accuracy

Pending Publication Date: 2022-04-12
CCTEG CLEAN ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pulverized coal is usually stacked unevenly. If the same proportional relationship is used for calculation, the actual size of pulverized coal particles with different thicknesses will be calculated to be inaccurate.

Method used

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  • Particle size identification method, device, equipment and medium
  • Particle size identification method, device, equipment and medium
  • Particle size identification method, device, equipment and medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] figure 1 It is a flow chart of a particle size recognition method provided by Embodiment 1 of the present invention. This embodiment is applicable to particle recognition by particle images. This method can be executed by a particle size recognition device, which can use software and / or implemented by hardware. The device can be configured in computer equipment, and the method specifically includes:

[0026] S110. Acquire the collected image of the particles, and perform particle recognition to obtain particle regions.

[0027] Wherein, the collected image refers to an image collected by an image collection device for particles. Particle recognition refers to the recognition of particles in the acquired image. The particle area refers to the area where the particles identified in the acquired image are located. One particle area can correspond to one particle. Wherein, the particle size recognition method may be edge extraction or a pre-trained particle recognitio...

Embodiment 2

[0085] figure 2 It is a flow chart of a particle size identification method provided by Embodiment 2 of the present invention. On the basis of the above-mentioned embodiments, this embodiment will determine the pixel size of the corresponding particle according to the particle area, and embody is: according to the number of pixels included in the particle area and the position of the pixels, determine pixel statistical data corresponding to at least one size type, and at the same time, according to the corresponding relationship between the pixel size and the actual size under the distance, Determining the actual size of the particle corresponding to the particle area is embodied as: determining the size Type corresponds to the attribute value, and acts as the actual size of the particle corresponding to the particle area. The specific method is as follows:

[0086] S210. Acquire a collection image of the particles, and perform particle recognition to obtain a particle area...

Embodiment 3

[0098] image 3 It is a flow chart of a particle size identification method provided by Embodiment 3 of the present invention. In this embodiment, on the basis of the above-mentioned embodiments, the particle size identification method is optimized as follows: according to the actual size of each particle region, it includes The attribute value corresponding to at least one size type of each said particle area is counted, and at least one target distribution group and the corresponding distribution type are obtained; the number of particles included in each said target distribution group is counted; according to the preset distribution type and Corresponding relationships between the average masses of the particles to determine the surface mass distribution data of each of the target distribution groups. The specific method is as follows:

[0099] S310. Acquire a collection image of the particles, and perform particle identification to obtain a particle area.

[0100] S320. ...

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Abstract

The embodiment of the invention discloses a particle size identification method and device, equipment and a medium. The method comprises the following steps: acquiring an acquisition image of particles, and carrying out particle identification to obtain a particle region; according to the particle area, determining the pixel size of the corresponding particle; and obtaining the distance between the particle area and the image acquisition position, and determining the actual size of the particle corresponding to the particle area according to the corresponding relationship between the pixel size and the actual size under the distance. According to the embodiment of the invention, the detection accuracy of the actual size of the particle corresponding to the particle area is improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of image processing, and in particular to a particle size identification method, device, equipment and medium. Background technique [0002] The particle size of pulverized coal is one of the core parameters in the process of combustion optimization control and coke refining. The fineness of pulverized coal will directly affect the heat loss of incomplete combustion and the energy consumption of the crusher. [0003] For the measurement of pulverized coal particle size information, the method of image recognition of pulverized coal particles can be used. [0004] This method uses the same pixel and actual size proportional relationship calculations. However, pulverized coal is usually stacked unevenly. If the same proportional relationship is used for calculation, the actual size calculated for pulverized coal particles with different thicknesses will be inaccurate. Contents of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/02G06T5/00G06T7/11G06T7/13G06T7/136G06T7/60
Inventor 王晓妹王勇王占朝苏鹏洪庆陈泓宇
Owner CCTEG CLEAN ENERGY CO LTD
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