Product packaging defect detection and identification method based on machine vision

一种产品包装、缺陷检测的技术，应用在缺陷检测领域，能够解决产品包装检测错误率高、生产效率低等问题

Pending Publication Date: 2020-11-20
SHAANXI UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a product packaging defect detection and recognition method based on machine vision, which solves the problems of high product packaging detection error rate and low production efficiency in the prior art

Method used

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Embodiment Construction

[0062] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0063] A method for detecting and identifying product packaging defects based on machine vision in the present invention, the flow chart is as follows figure 1 As shown, the specific steps are as follows:

[0064] Step 1, extracting a product packaging processing image with no surface defects;

[0065] Such as Figure 2~3 As shown, step 1 is specifically implemented according to the following steps:

[0066] Step 1.1, use an industrial camera to take a surface image of a product package with no defects on the surface, and transfer the image to the computer;

[0067] Step 1.2, performing grayscale processing on the collected image;

[0068] Step 1.3, performing a 3*3 median filter on the grayscaled image;

[0069] Step 1.4, obtaining the processed image of the complete non-defective package.

[0070] Step 2, establishing a defect image t...

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Abstract

The invention discloses a product packaging defect detection and recognition method based on machine vision. The method comprises steps that firstly, a product packaging processing image without surface defects is extracted; a defect image template feature database is established; feature extraction, detection and identification of the packaging image of the to-be-detected product are carried out;and finally, the unqualified packaged products are blown into the collecting box, and the qualified packaged products are conveyed by the conveying belt to be output. The method is advantaged in thatproblems that in the prior art, the product packaging defect detection error rate is high, and production efficiency is low are solved.

Description

technical field [0001] The invention belongs to the technical field of defect detection by combining machine vision and image processing technology, and in particular relates to a product packaging defect detection and recognition method based on machine vision. Background technique [0002] As the last process of product production, packaging has a vital impact on product quality and company image. Packaging not only protects the safety of products, but also plays a role in publicity and represents the image of the company. The packaging of each product contains various information, and the correct reading of the information is conducive to the company's tracking of the product. For product packaging, in the past, most factories used manual testing. With the improvement of the production level of enterprises, this method has been difficult to meet the continuous and large-scale production needs of enterprises. [0003] Machine vision technology uses machines to replace h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G01N21/88G06T7/136G06T7/194
CPCG01N21/8851G01N2021/8887G06T7/0006G06T2207/10004G06T2207/20024G06T7/136G06T7/194
Inventor 栾飞黄珂韵尤先强
Owner SHAANXI UNIV OF SCI & TECH
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