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Jet code detection method and system

A detection method and coding technology, applied in the field of coding, can solve the problems of low detection reliability, missed detection and false detection, and low efficiency of manual observation and detection of coding, so as to achieve automation and intelligence, improve recognition, and improve The effect of recognition efficiency

Inactive Publication Date: 2015-11-04
武汉楚锐视觉检测科技有限公司
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Problems solved by technology

[0004] The invention provides a coding detection method and system, which solves the technical problems of low efficiency of manual observation and detection of coding, missed detection and false detection, and low detection reliability in the prior art, realizes highly automatic detection, and improves detection efficiency and reliability

Method used

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  • Jet code detection method and system
  • Jet code detection method and system

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Embodiment Construction

[0039] The embodiment of the present application solves the technical problems of low efficiency and low reliability of manual detection in the prior art by providing a coding detection method, and achieves the technical effects of improving detection efficiency, avoiding false detection and missing detection, and improving reliability.

[0040] In order to solve the above technical problems, the general idea of ​​the technical solution provided by the embodiment of the present application is as follows:

[0041] A coding detection method, comprising:

[0042] Set the character template;

[0043] Segment the character area, obtain the inkjet image to be inspected, and determine the approximate area of ​​the inkjet character through template matching;

[0044] Character keyword positioning, through template matching, determine the position of the keyword, and obtain the exact position of the remaining variable characters;

[0045] Perspective transformation solution, by match...

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Abstract

The invention belongs to the technical field of jet printing and discloses a jet code detection method. The method comprises: setting a character template; and carrying out character region partitioning, character keyword positioning, perspective transformation and solving and character defect analysis, wherein character defects comprise unqualified character width, unqualified character height, unqualified character separation distances, unqualified character angle, blurring characters and loss of the characters; a jet code comprises a keyword and a variable character. According to the method and system disclosed by the invention, the jet code detection efficiency and reliability are enhanced through efficient automatic detection method and system.

Description

technical field [0001] The invention relates to the field of coding technology, in particular to a coding detection method and system. Background technique [0002] At present, the inkjet inspection of the oil pot when it leaves the factory is completed manually on the inspection table through naked eye observation. [0003] Manual inspection is unstable and easily affected by the subjective feelings of quality inspectors, and staring at the moving bottle mouth for a long time will easily lead to fatigue and missed inspections and false inspections; the speed of manual inspection is limited, and it is difficult for manual visual inspection to keep up with production. line speed, resulting in very low efficiency. The manual inspection table needs to occupy a large area, which is difficult to arrange in a compact factory environment. Contents of the invention [0004] The invention provides a coding detection method and system, which solves the technical problems of low ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G06K9/32
CPCG06V30/1478G06V10/462G06V30/287
Inventor 钱成丁川
Owner 武汉楚锐视觉检测科技有限公司
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