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A Method of Oil Particle Detection Based on Image Processing

A particle detection and image processing technology, applied in image data processing, image enhancement, image analysis, etc., can solve the problems of inaccurate detection results, easy existence of false particles, insufficient use of feature information, etc., to improve accuracy and stability. sexual effect

Active Publication Date: 2022-06-17
WEIHAI DENGTONG PURIFICATION EQUIP
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  • Claims
  • Application Information

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Problems solved by technology

Due to the insufficient utilization of the characteristic information of the particle target, there are likely to be false particles in the detection result, which makes the detection result inaccurate

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  • A Method of Oil Particle Detection Based on Image Processing

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Embodiment Construction

[0034] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0035] like figure 1 As shown, the oil particle detection method based on image processing involved in the present invention includes the following steps:

[0036] Step 1. Control the industrial camera to collect oil images until the whole detection process ends.

[0037] Step 2. Control the oil working pump to work, first clean the oil pipeline, and then carry out particle detection. Specifically, in the cleaning stage, the rotational speed of the oil working pump is about 2000, and in the particle detection stage, the rotational speed of the oil working pump is about 200.

[0038] Step 3. Perform image preprocessing on the image collected in step 1: determine whether the brightness of the image satisfies the conditions for continued detection, if not, terminate the detection process; when it is satisfied, filter out oil images affected by ...

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Abstract

The present invention proposes a method for detecting oil particles based on image processing, including S1, collecting oil images; S2, controlling the operation of oil working pumps, performing oil pipeline cleaning and particle detection; S3, performing image preprocessing; S4 , whenever the number of frames of the oil image reaches N b background modeling; S5, according to the background and the background threshold, obtain the binarized image of the candidate particles of the current oil image; S6, perform mathematical morphological operations on the binarized image; S7, perform Intercept and perform preliminary screening; S8, calculate the gradient image of each candidate particle image in the current oil image in S5; perform block statistics; calculate the average gray value of the particle edge; S9, obtain the current oil image in S5 A binarized image of the candidate particle image; S10, identifying the particle type of the particle; S11, calculating the relative diameter of the particle; S12, generating an oil detection and analysis report. The above method can improve the accuracy of particle detection.

Description

technical field [0001] The invention relates to the technical field of image processing and pattern recognition, in particular to an oil particle detection method based on image processing. Background technique [0002] The emergence of oil detection technology started from the demand and application of abrasive particle analysis technology. After years of development of oil pollution detection technology, many detection technologies and methods have been formed, including spectral analysis, electrical measurement, ferrography and particle counting. Among them, particle counting technology is an important technology to evaluate the pollution degree of solid particles in oil. The principle of this technology is to measure the particle size of the oil sample and count it according to the preselected particle size range, so as to obtain important information about the particle size distribution, which is very effective in judging the pollution degree of the oil. The automatic...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/10G06T7/00G06T7/187G06T7/90G06T7/62G06T7/13G06T5/30
CPCG01N15/10G06T7/0004G01N2015/1022G01N2015/1024G01N2015/1029G01N2015/1028
Inventor 张维刚
Owner WEIHAI DENGTONG PURIFICATION EQUIP