Labeling quality detection method

A detection method and quality technology, applied in the field of automation, can solve the problems of reducing the degree of automation of the production line, consuming a lot of time and labor, and wasting time and workload, and achieve the effect of simple and intuitive display results, simple detection methods, and easy discovery

Inactive Publication Date: 2017-07-21
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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  • Application Information

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Problems solved by technology

With the wide application of labeling machines, the accuracy detection of labeling machines is becoming more and more important. The existing labeling detection is mostly done manually, which requires a lot of time and labor, and also reduces the degree of automation of the production line.
[0003] Patent CN104118609A provides a labeling quality detection method and device, which realizes the detection of l

Method used

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Embodiment Construction

[0039] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0040] The present embodiment provides a detection method for labeling quality, which is used for qualified detection of automatically pasted labels, and the method includes the following steps:

[0041] 1) Image acquisition of automatically pasted labels;

[0042] 2) Initialize the image collected in step 1):

[0043] 21) grayscale processing is performed on the image collected in step 1);

[0044] 22) Carry out rotation correction to the image after grayscale processing in step 21);

[0045] 3) Existence detection is performed on the image processed in step 2), and whether the la...

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Abstract

The invention relates to a labeling quality detection method used for carrying out qualified detection on an automatically-pasted label. The labeling quality detection method comprises following steps of carrying out image acquisition on the automatically-pasted label; carrying out initial processing on the acquired image; carrying out presence detection on the processed image, judging whether the label exists or not, entering the next step when the label exists, and determining the label to be unqualified when the label does not exist; carrying out character detection on the processed image, judging whether the character in the image is consistent with the specified character of the label, indicating the label to be qualified when the character in the image is consistent with the specified character of the label, and indicating the label to be unqualified when the character in the image is not consistent with the specified character of the label. Compared with the prior art, the labeling quality detection method is advantaged by being convenient for detection, accurate in examination, low in cost and convenient to implement and the like.

Description

technical field [0001] The invention relates to the field of automation, in particular to a detection method for labeling quality. Background technique [0002] Labeling is to paste rolls of self-adhesive paper labels (paper or metal foil) on PCBs, products or specified packaging. Currently, it is often achieved by labeling machines. Labeling machines are an integral part of modern packaging. At present, the types of labeling machines produced in my country are gradually increasing, and the technical level has also been greatly improved. It has changed from the backward situation of manual and semi-automatic labeling to the pattern of automated high-speed labeling machines occupying the vast market. With the wide application of labeling machines, the accuracy detection of labeling machines is becoming more and more important. The existing labeling detection is mostly done manually, which requires a lot of time and labor, and also reduces the degree of automation of the prod...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06K9/32
CPCG06T7/0004G06V10/255G06V10/243G06V30/10
Inventor 张晓颖庄葛巍陈海宾张洪红张静月项旭杨
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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