CN113988245A - Coding method for bar code normalization - Google Patents
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- CN113988245A CN113988245A CN202111281648.7A CN202111281648A CN113988245A CN 113988245 A CN113988245 A CN 113988245A CN 202111281648 A CN202111281648 A CN 202111281648A CN 113988245 A CN113988245 A CN 113988245A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
- G06K19/06028—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding using bar codes
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
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Abstract
The invention discloses a bar code normalization coding method, which comprises the following steps: presetting a normalization bar code rule, then collecting information of bar codes of products in storage, then carrying out combination mode classification on the collected bar code information, generating a corresponding bar code image, and finally integrating the bar code image to realize the normalization coding of the bar codes; the invention generates the corresponding bar code image by matching the preset normalized bar code rule with the bar code library, integrates the bar code image, realizes the normalized coding of the bar code, has simple method, easy operation and lower coding cost, ensures the bar code information acquisition precision by preprocessing the bar code image in the bar code information acquisition process, brings convenience to the product warehousing and warehousing management work, improves the warehousing work efficiency and the product circulation rate, can bring remarkable economic benefit to enterprises, fundamentally solves the problem that the bar code information cannot be uniformly acquired due to the difference of the bar code rule of each warehousing product, and is worthy of wide popularization and application.
Description
Technical Field
The invention relates to the technical field of bar codes, in particular to a bar code normalization coding method.
Background
Bar codes, also called bar codes, are a plurality of black bars and blanks with different widths, arranged according to a certain coding rule, and used for expressing a group of graphic identifiers of information, common bar codes are parallel line patterns formed by black bars and white bars with greatly different reflectivity, and the bar codes can mark a plurality of information such as the producing country, the manufacturing manufacturer, the commodity name, the production date, the book classification number, the starting and stopping place, the class, the date and the like of an article, so that the bar codes are widely applied to a plurality of fields such as commodity circulation, book management, postal management, bank systems and the like;
the application range of the bar code is quite wide at present, along with the development of a bar code technology, the application of the bar code plays a crucial role in product management of enterprises, different enterprises have different encoding rules of the bar code, when one company receives products of different enterprises for warehousing, certain conflict can be generated or management inconvenience is caused due to different stored product information and fields of the encoding rules, so that the normalized encoding of the warehoused products is particularly important;
the existing bar code coding method is too complex, inconvenient to operate and incapable of fundamentally solving the problem that bar code information cannot be uniformly acquired due to different bar code rules of products in storage, so that troubles are brought to product storage and storage management work, the storage work efficiency and the product circulation rate are reduced, excellent economic benefits cannot be brought to enterprises, and the method is not worthy of wide popularization.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a bar code normalization coding method, which generates a corresponding bar code image by matching a preset normalization bar code rule with a bar code library and integrates the bar code image to realize bar code normalization coding, has simple method, easy operation and lower coding cost, ensures the bar code information acquisition precision by preprocessing the bar code image in the bar code information acquisition process, brings convenience to product warehousing and warehousing management work, and improves the warehousing work efficiency and the product circulation rate.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: a bar code normalization coding method comprises the following steps:
step one
Combining the actual product storage management standard of an enterprise and the existing coding rule, designing the arrangement combination of bars and spaces in the bar code to express different binary data, and realizing the presetting of the normalized coding rule;
step two
Connecting a bar code collector with a computer terminal, collecting bar codes of products in storage through the bar code collector, and transmitting collected bar code images to the computer terminal, wherein the computer terminal firstly preprocesses scanned bar code images and then collects bar code information in the bar code images;
step three
Judging the combination modes of the acquired bar code information one by one through a computer terminal, dividing the information in the bar code according to the judgment result into a character combination mode and a digital combination mode, inputting the bar code information of the character combination mode and the digital combination mode into a preset normalized coding rule simultaneously, and generating a bar code graph corresponding to the character combination mode and the digital combination mode by utilizing a bar code library;
step four
And integrating the bar code graphs corresponding to the character combination mode and the digital combination mode, encoding by using an encoder to obtain normalized bar code data, inputting the normalized bar code data into printing equipment, and printing the bar code data to realize normalized encoding of product warehousing.
The further improvement lies in that: in the first step, in the preset normalization coding rule, a bar with a standard width represents 1 of a binary system, a space with a standard width represents 0 of the binary system, two bars and two spaces form a product bar code module, and the standard width is 0.30mm-0.35 mm.
The further improvement lies in that: in the first step, the preset normalization coding rule categories comprise company numbers, production lines, production dates, product name numbers, specification models, public weights, net weights, dampening, reservation, product grades, whether the products are qualified or not and package numbers.
The further improvement lies in that: in the second step, the bar code collector is selected from one of a CCD camera or an AHD camera, a scanned bar code image is intercepted into a 256-degree gray image, and the type of the bar code image is a BMP file.
The further improvement lies in that: in the second step, the preprocessing of the scanned image includes threshold transformation, filtering and denoising, and geometric correction, and the threshold transformation specifically includes: according to the gray level histogram of the collected bar code gray level image, on the premise of not influencing image details, one determined prefabrication is selected for binary quantization.
The further improvement lies in that: the filtering and denoising specifically comprises: and filtering the high-frequency signal of the acquired bar code gray level image through an image filtering system in the computer terminal, and reserving the low-frequency signal to eliminate the noise of the bar code gray level image so as to obtain a smooth bar code gray level image.
The further improvement lies in that: in the second step, the specific operation of bar code information acquisition is as follows: the method comprises the steps of firstly carrying out vertical projection on a preprocessed bar code image, solving the pixel width of a unit module, then calculating the pixel width of bars and spaces in the bar code image and dividing the pixel width by the pixel width of the unit module to obtain the number of the unit modules, then searching a code word bar space sequence list according to the calculation result and finding corresponding code words, and then identifying the code words through a code word identification system in a computer terminal to obtain information data in the bar code image.
The further improvement lies in that: in the fourth step, the printing equipment is selected from one of an industrial printer or a laser code spraying machine, wherein the industrial printer prints out the normalized bar code data in a paper form and pastes the normalized bar code data to the warehouse-in product, and the laser code spraying machine directly prints the normalized bar code data on the gallery product in a laser ink-jet mode.
The invention has the beneficial effects that: the invention presets the normalized bar code rule, collects the bar code of the product in storage, classifies the collected bar code information in combination mode, generates the corresponding bar code image, integrates the bar code image, realizes the normalized coding of the bar code, has simple method, easy operation and lower coding cost, ensures the image definition by preprocessing the bar code image in the bar code information collection process, is convenient for subsequent collection and processing, ensures the bar code information collection precision, brings convenience to the product storage and storage management work, improves the storage work efficiency and the product circulation rate, can bring remarkable economic benefit to enterprises, fundamentally solves the problem that the bar code information can not be uniformly obtained due to the different bar code rules of the products in storage, and is worthy of wide popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of a normalized barcode in an embodiment of the invention.
FIG. 3 is a rule diagram of barcode normalization summarized in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, the embodiment provides a barcode normalization encoding method, including the following steps:
step one
Combining the actual product warehousing management standard of an enterprise and the existing coding rule, designing the arrangement combination of bars and spaces in a bar code to represent different binary data, realizing the presetting of the normalized coding rule, wherein one bar with a standard width in the preset normalized coding rule represents a binary 1, one space with a standard width represents a binary 0, two bars and two spaces form a product bar code module, the standard width is 0.30mm, and the preset normalized coding rule categories comprise a company number, a production line, a production date, a product name number, a specification model, a common weight, a net weight, a moisture regain, a reservation, a product grade, whether the product grade is qualified or not and a package number, as shown in fig. 3;
step two
The method comprises the following steps of connecting a bar code collector with a computer terminal, collecting bar codes of products to be stored in a warehouse through the bar code collector, and transmitting collected bar code images to the computer terminal, wherein the bar code collector is selected from a CCD camera, scanned bar code images are intercepted into 256-degree gray scale images, the types of the bar code images are BMP files, the computer terminal preprocesses the scanned bar code images firstly and then collects bar code information in the bar code images, the preprocessing of the scanned images comprises threshold value conversion, filtering and denoising and geometric correction, and the threshold value conversion is specifically as follows: according to the gray level histogram of the collected bar code gray level image, on the premise of not influencing image details, selecting a determined prefabrication for binary quantization, wherein the filtering and denoising specifically comprises the following steps: filtering the high-frequency signal of the collected bar code gray level image through an image filtering system in the computer terminal, and reserving the low-frequency signal to eliminate the noise of the bar code gray level image and obtain a smooth bar code gray level image, wherein the specific operation of collecting bar code information is as follows: firstly, vertically projecting a preprocessed bar code image to obtain the pixel width of a unit module, then calculating the pixel widths of bars and spaces in the bar code image and dividing the pixel widths by the pixel width of the unit module to obtain the number of the unit modules, searching a code word bar space sequence list according to the calculation result and finding corresponding code words, and then identifying the code words through a code word identification system in a computer terminal to obtain information data in the bar code image;
step three
Judging the combination modes of the acquired bar code information one by one through a computer terminal, dividing the information in the bar code according to the judgment result into a character combination mode and a digital combination mode, inputting the bar code information of the character combination mode and the digital combination mode into a preset normalized coding rule simultaneously, and generating a bar code graph corresponding to the character combination mode and the digital combination mode by utilizing a bar code library;
step four
Integrating the bar code graphs corresponding to the character combination mode and the digital combination mode, encoding by using an encoder to obtain normalized bar code data, inputting the normalized bar code data into a printing device and printing the bar code data out to realize normalized encoding of product warehousing, wherein the printing device is selected from industrial printers, the industrial printers print the normalized bar code data out in a paper form and paste the normalized bar code data onto the warehoused products, and the printed normalized bar code is shown in figure 2.
Example two
Referring to fig. 1, the embodiment provides a barcode normalization encoding method, including the following steps:
step one
Combining the actual product warehousing management standard of an enterprise and the existing coding rule, designing the arrangement combination of bars and spaces in a bar code to represent different binary data, realizing the presetting of the normalized coding rule, wherein one bar with a standard width in the preset normalized coding rule represents a binary 1, one space with a standard width represents a binary 0, two bars and two spaces form a product bar code module, the standard width is 0.35mm, and the preset normalized coding rule categories comprise a company number, a production line, a production date, a product name number, a specification model, a common weight, a net weight, a moisture regain, a reservation, a product grade, whether the product grade is qualified or not and a package number, as shown in fig. 3;
step two
Connecting a bar code collector with a computer terminal, collecting bar codes of products in storage through the bar code collector, and transmitting collected bar code images to the computer terminal, wherein the bar code collector is selected from an AHD camera, a scanned bar code image is intercepted into a 256-degree gray image, the type of the bar code image is a BMP file, the computer terminal preprocesses the scanned bar code image firstly, and then collects bar code information in the bar code image, wherein the preprocessing of the scanned image comprises threshold value conversion, filtering and denoising and geometric correction, and the threshold value conversion specifically comprises the following steps: according to the gray level histogram of the collected bar code gray level image, on the premise of not influencing image details, selecting a determined prefabrication for binary quantization, wherein the filtering and denoising specifically comprises the following steps: filtering the high-frequency signal of the collected bar code gray level image through an image filtering system in the computer terminal, and reserving the low-frequency signal to eliminate the noise of the bar code gray level image and obtain a smooth bar code gray level image, wherein the specific operation of collecting bar code information is as follows: firstly, vertically projecting a preprocessed bar code image to obtain the pixel width of a unit module, then calculating the pixel widths of bars and spaces in the bar code image and dividing the pixel widths by the pixel width of the unit module to obtain the number of the unit modules, searching a code word bar space sequence list according to the calculation result and finding corresponding code words, and then identifying the code words through a code word identification system in a computer terminal to obtain information data in the bar code image;
step three
Judging the combination modes of the acquired bar code information one by one through a computer terminal, dividing the information in the bar code according to the judgment result into a character combination mode and a digital combination mode, inputting the bar code information of the character combination mode and the digital combination mode into a preset normalized coding rule simultaneously, and generating a bar code graph corresponding to the character combination mode and the digital combination mode by utilizing a bar code library;
step four
Integrating the bar code images corresponding to the character combination mode and the digital combination mode, encoding by using an encoder to obtain normalized bar code data, inputting the normalized bar code data into a printing device and printing the bar code data to realize normalized encoding of product warehousing, wherein the printing device is selected from a laser code spraying machine, the laser code spraying machine directly prints the normalized bar code data on a product of a graphic library in a laser ink-jet mode, and the jet-printed normalized bar code is as shown in figure 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A bar code normalization coding method is characterized in that: the method comprises the following steps:
step one
Combining the actual product storage management standard of an enterprise and the existing coding rule, designing the arrangement combination of bars and spaces in the bar code to express different binary data, and realizing the presetting of the normalized coding rule;
step two
Connecting a bar code collector with a computer terminal, collecting bar codes of products in storage through the bar code collector, and transmitting collected bar code images to the computer terminal, wherein the computer terminal firstly preprocesses scanned bar code images and then collects bar code information in the bar code images;
step three
Judging the combination modes of the acquired bar code information one by one through a computer terminal, dividing the information in the bar code according to the judgment result into a character combination mode and a digital combination mode, inputting the bar code information of the character combination mode and the digital combination mode into a preset normalized coding rule simultaneously, and generating a bar code graph corresponding to the character combination mode and the digital combination mode by utilizing a bar code library;
step four
And integrating the bar code graphs corresponding to the character combination mode and the digital combination mode, encoding by using an encoder to obtain normalized bar code data, inputting the normalized bar code data into printing equipment, and printing the bar code data to realize normalized encoding of product warehousing.
2. The barcode normalized encoding method of claim 1, wherein: in the first step, in the preset normalization coding rule, a bar with a standard width represents 1 of a binary system, a space with a standard width represents 0 of the binary system, two bars and two spaces form a product bar code module, and the standard width is 0.30mm-0.35 mm.
3. The barcode normalized encoding method of claim 1, wherein: in the first step, the preset normalization coding rule categories comprise company numbers, production lines, production dates, product name numbers, specification models, public weights, net weights, dampening, reservation, product grades, whether the products are qualified or not and package numbers.
4. The barcode normalized encoding method of claim 1, wherein: in the second step, the bar code collector is selected from one of a CCD camera or an AHD camera, a scanned bar code image is intercepted into a 256-degree gray image, and the type of the bar code image is a BMP file.
5. The barcode normalized encoding method of claim 1, wherein: in the second step, the preprocessing of the scanned image includes threshold transformation, filtering and denoising, and geometric correction, and the threshold transformation specifically includes: according to the gray level histogram of the collected bar code gray level image, on the premise of not influencing image details, one determined prefabrication is selected for binary quantization.
6. The barcode normalized encoding method of claim 5, wherein: the filtering and denoising specifically comprises: and filtering the high-frequency signal of the acquired bar code gray level image through an image filtering system in the computer terminal, and reserving the low-frequency signal to eliminate the noise of the bar code gray level image so as to obtain a smooth bar code gray level image.
7. The barcode normalized encoding method of claim 1, wherein: in the second step, the specific operation of bar code information acquisition is as follows: the method comprises the steps of firstly carrying out vertical projection on a preprocessed bar code image, solving the pixel width of a unit module, then calculating the pixel width of bars and spaces in the bar code image and dividing the pixel width by the pixel width of the unit module to obtain the number of the unit modules, then searching a code word bar space sequence list according to the calculation result and finding corresponding code words, and then identifying the code words through a code word identification system in a computer terminal to obtain information data in the bar code image.
8. The barcode normalized encoding method of claim 1, wherein: in the fourth step, the printing equipment is selected from one of an industrial printer or a laser code spraying machine, wherein the industrial printer prints out the normalized bar code data in a paper form and pastes the normalized bar code data to the warehouse-in product, and the laser code spraying machine directly prints the normalized bar code data on the gallery product in a laser ink-jet mode.
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