Mineral rock granularity detection method based on image processing

A technology of image processing and detection method, which is applied in the field of ore particle size detection and image processing, and can solve problems such as the lack of a mature ore image particle size detection system

Active Publication Date: 2018-10-26
ZHENGZHOU UNIV
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Problems solved by technology

[0008] Due to the existence of the above problems, there is still no mature ore-rock image particle size detectio...

Method used

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  • Mineral rock granularity detection method based on image processing
  • Mineral rock granularity detection method based on image processing
  • Mineral rock granularity detection method based on image processing

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Embodiment Construction

[0125] like Figure 1 to Figure 4 As shown, the present invention provides a kind of ore rock particle size detection method based on image processing, ore rock particle size detection system is used in ore rock production system, and ore rock production system comprises the crusher (crusher is existing equipment, not shown in the figure), there is a conveying device 1 (such as a conveyor belt) for transporting ore particles at the exit of the crusher,

[0126] The ore particle size detection system includes a frame and a computer 7. The frame includes a left column 2, a right column 3 and a push rod 4 connected between the left and right columns 3; the left column 2 is located on the left side of the ore conveyor 1, and the right column 3 is located on the right side of ore conveyor 1;

[0127] A left camera 5 is arranged on the push rod 4 at the top left of the ore and rock conveying device 1, and a right camera 6 is arranged on the push rod 4 at the top right of the ore an...

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Abstract

The invention discloses a mineral rock granularity detection method based on image processing. The method comprises the steps of 1, establishing of a mineral rock granularity database; 2, image acquisition; 3, image synthesis; 4, luminance conversion; 5, gray scale transformation; 6, determining of the Gaussian standard deviation of the improved Gaussian filter. 7, removing noise; 8, morphologicalreconstruction; 9, distance transformation; 10, forcing minimum; 11, image segmentation; 12, image calibration; and 13, information output. The invention has high detection efficiency, and can filterthe image according to individual properties of different images. After the improved Gaussian filter processing and noise removal, the image of the ore rock is clearer than the original image, the noise generated in the image of the ore rock is eliminated, the obvious gray step between the ore rock particles and the background is eliminated, and the boundary information of the ore rock is reserved. So the accuracy of particle size detection is improved.

Description

technical field [0001] The invention relates to the technical field of ore particle size detection and the technical field of image processing. Background technique [0002] Image processing technology is an important aspect of improving traditional industries and realizing industrial intelligence. The development of image processing technology is also a basic requirement of "Made in China 2025". The ore particle size is the main technical index of ore crushing, and the accurate distribution of ore particle size is not only an important parameter for beneficiation automation, but also the basis for subsequent processes. If image processing technology is applied to the detection of ore particle size, the parameter information of ore particle size can be obtained in real time, the production capacity of ore crushing equipment can be improved, and the parameters of ore particle size distribution on industrial production lines can be detected in real time. Quality provides the ...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/13G06T7/70G06T5/00
CPCG06T5/002G06T7/0004G06T7/13G06T7/70G06T2207/30132
Inventor 张建立孙深深叶平坤李良国马志祥肖献国庄森王晓洁
Owner ZHENGZHOU UNIV
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