CN106626845B - The printing method of gray scale two dimensional code - Google Patents
The printing method of gray scale two dimensional code Download PDFInfo
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- CN106626845B CN106626845B CN201610836428.9A CN201610836428A CN106626845B CN 106626845 B CN106626845 B CN 106626845B CN 201610836428 A CN201610836428 A CN 201610836428A CN 106626845 B CN106626845 B CN 106626845B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
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Abstract
The present invention discloses a kind of printing process of gray scale two dimensional code, includes the following steps: to pre-process, and draws the two-dimension code image of a gray value within the set range；Dissection process parses two-dimension code image, obtains the corresponding gradation data of the two-dimension code image；Preprinted processing, according to the gradation data of the two-dimension code image in chip base preprinted two dimensional code；Detection processing, detects the recognition speed of two dimensional code, and filters out the two dimensional code in the recognition speed threshold range in setting as target two dimensional code；Printing treatment forms gray scale two dimensional code using the corresponding gradation data of target two dimensional code as target gray data, and according to target gray data printing ink.In the case that technical solution of the present invention can guarantee the recognition speed of two dimensional code, the consumption of ink, reduces printing cost when greatly reducing two dimensional code printing.
Description
Technical field
The present invention relates to two dimensional code printing technology more particularly to a kind of printing processes of gray scale two dimensional code.
Background technique
Two-dimensional bar code/two dimensional code (dimensional barcode) be with certain specific geometric figure according to certain rules
In the chequered with black and white graphic recording data symbol information that plane (on two-dimensional directional) is distributed；The ingenious land productivity in code compilation
With " 0 " of computer-internal logical foundations, the concept of " 1 " bit stream is constituted, several geometry corresponding with binary system are used
Body indicates text numerical information, by image input device or photoelectric scanning device automatically identifying and reading to realize that information is located automatically
Reason.It has some general character of barcode technology: every kind of code system has its specific character set；Each character occupies certain width；
With certain verifying function etc..Also have simultaneously rotationally-varying to the information automatic identification function and processing figure do not gone together
The features such as.In the two-dimensional bar code of numerous species, common code system has: DataMatriX, MaXicode, AZteC, QRCode,
Verieode, PDF417, Ultraeode, Code49, Code16K etc., QR code (Quick Response code) is 1994 years
It is invented by Japanese Denso-Wave company, QR code is most commonly in Japan and South Korea.
Since two dimensional code is there are many advantages, have the tendency that being widely used in all trades and professions in recent years.For example,
A kind of Chinese Patent Application No. are as follows: CN201510504479.7, patent name are as follows: generation side of the multistage latent image code of colour
Method, this method comprises the following steps: obtaining image data and information data；It is distributed according to the original color of described image data,
The information data is encoded, the image code with original color distribution is generated, wherein in the coding step,
According to the grayscale quantity and/or the number of colours, the storage information is generated in the information area has multiple ashes
Several information code elements of rank and/or multiple basic colors or combinations thereof, so that two dimensional code can not only be shown as image, additionally it is possible to
More information is carried, with the big and conveniently recognized advantage of information storage.For another example, Chinese Patent Application No. are as follows:
CN201510153437.3, patent name are as follows: the generation method and generating means of grey two dimensional code, wherein this method includes such as
Lower step: being arranged the identification region of two dimensional code, and the identification region includes positioning area, the information area；Pre-set the grayscale of two dimensional code
Quantity；Coding step carries out coding to storage information and generates several information code elements with multiple grayscale；Export the storage letter
The identification region of breath, can reach can efficiently use existing barcode scanning hardware, obtain more code information carrying breaths, have information storage
The advantages of amount is big, is convenient for identification.To sum up, two dimensional code in the prior art solve mostly is how to expand the information of two dimensional code
Amount of storage, and improve identification accuracy rate the problem of.However, usually in two dimensional code production or jet printing process, two dimensional code
Printing ink quantity is set as gray value 100%, i.e., the two dimensional code usually printed is black, results in the need for consuming a large amount of ink
Amount, the high problem of printing cost.
Summary of the invention
The main object of the present invention is to provide a kind of printing process of gray scale two dimensional code, can guarantee the identification speed of two dimensional code
In the case where degree, the consumption of ink, reduces printing cost when greatly reducing two dimensional code printing.
To achieve the above object, a technical solution adopted by the present invention are as follows: a kind of printing side of gray scale two dimensional code is provided
Method includes the following steps:
The two-dimension code image of a gray value within the set range is drawn in pretreatment；
Dissection process parses two-dimension code image, obtains the corresponding gradation data of the two-dimension code image；
Preprinted processing, according to the gradation data of the two-dimension code image in chip base preprinted two dimensional code；
Detection processing, detects the recognition speed of two dimensional code, and filters out in the recognition speed threshold range in setting
Two dimensional code is as target two dimensional code；
Printing treatment, using the corresponding gradation data of target two dimensional code as target gray data, and according to target gray number
According to printing ink, gray scale two dimensional code is formed.
Preferably, the pre-treatment step, specifically includes:
Draw the two-dimension code image that a tonal range is in 20%~40%.
Preferably, in the pre-press steps, the chip base is any in paper, painting canvas, plastics, film and organic glass
It is a kind of.
Preferably, the detection processing step, specifically includes:
Detect the recognition speed of two dimensional code；
Judge the recognition speed of two dimensional code whether in the recognition speed threshold value of setting,
If the recognition speed of two dimensional code in the recognition speed threshold value of setting, prompts to identify successfully, and determines the two dimension
Code is target two dimensional code；
If the recognition speed of two dimensional code outside the recognition speed threshold value of setting, prompts recognition failures, and returns and unsuccessfully believe
Breath.
Preferably, step of the two dimensional code selected in the recognition speed threshold range in setting as target two dimensional code
In rapid, further includes:
Whether the quantity that two dimensional code is selected in judgement is greater than or equal to two, when the quantity for selecting two dimensional code is greater than or equal to two
When a, the smallest two dimensional code of gray value is filtered out as target two dimensional code, when the quantity for selecting two dimensional code is one, determining should
Two dimensional code is target two dimensional code.
Preferably, in the printing treatment step, the ink is UV light-curable ink or water-based printing ink.
Preferably, in the printing treatment step, the ink is printed in a manner of UV ink-jet, silk-screen or digital printing
In chip base.
Preferably, in the printing treatment step, the print thickness of the ink is 8~12um.
Two-dimension code image of the technical solution of the present invention using one gray value of drafting within the set range；Then parsing two dimension
Code picture, obtains the corresponding gradation data of the two-dimension code image；And according to the gradation data of the two-dimension code image in chip base
The gray value of preprinted two dimensional code, first printing two dimensional code, the two dimensional code is printed lower than black two dimensional code in the prior art,
The consumption of ink can be greatly reduced；In order to guarantee the recognition speed for the two dimensional code printed in different chip bases, this programme
It further include detecting the recognition speed of two dimensional code, and filter out the two dimensional code in the recognition speed threshold range in setting as mesh
Mark two dimensional code；Then it using the corresponding gradation data of target two dimensional code as target gray data, and is printed according to target gray data
Brush ink, formed gray scale two dimensional code, in this way, through the above steps can guarantee two dimensional code recognition speed under the premise of,
The consumption of ink, reduces printing cost when greatly reducing two dimensional code printing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the method flow diagram of one embodiment of printing process of gray scale two dimensional code of the present invention；
Fig. 2 is the specific exemplary diagram of printing process of gray scale two dimensional code of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the description of " first ", " second " involved in the present invention etc. is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
The printing process of gray scale two dimensional code of the invention, applied to it is any in the form of ink as the print solution of carrier
In, it is possible to understand that, it is printed with other materials, is feasible program to reduce the content of printing material.For the convenience of description,
It is illustrated in the form of ink prints two dimensional code, specific embodiment is as described below.
Fig. 1 is please referred to, in embodiments of the present invention, the printing process of the gray scale two dimensional code includes the following steps:
Step S10, it pre-processes, draws the two-dimension code image of a gray value within the set range.It, can be in electricity in this step
A two-dimension code image is drawn on brain, the gray value of the two-dimension code image selects any gray value in the range of setting, removes bright
The aobvious gray value that can identify two-dimensional barcode information and removal cannot obviously detect the gray value of two-dimensional barcode information.
Step S20, dissection process parses two-dimension code image, obtains the corresponding gradation data of the two-dimension code image.This step
In, the two-dimension code image of production can be uploaded or be stored in printing machine, by the processing chip of printing machine to two-dimension code image
It is parsed, obtains corresponding gray value data.The printing machine can select the printing machine of model Mimaki UJF-3042.
Step S30, preprinted handle, according to the gradation data of the two-dimension code image in chip base preprinted two dimensional code.This
In step, printing machine can according to be arranged in chip base one two dimensional code of preprinted, compared with prior art, the ink of the two dimensional code
Amount will greatly reduce, and to ensure that the two dimensional code can be identified normally, continue the detection that recognition speed is carried out to the two dimensional code.
Step S40, detection processing, detects the recognition speed of two dimensional code, and filters out the recognition speed threshold value in setting
Two dimensional code in range is as target two dimensional code.In this step, two dimensional code is read by smart machine, it is normal to filter out identification
Two dimensional code and the abnormal two dimensional code of identification, and can identify that normal two dimensional code as target two dimensional code, rejects knowledge
Not abnormal two dimensional code.
Step S50, printing treatment, using the corresponding gradation data of target two dimensional code as target gray data, and according to mesh
It marks gradation data and prints ink, form gray scale two dimensional code.In this step, it can be made according to the corresponding gradation data of target two dimensional code
For target gray data, two dimensional code, available required gray scale two dimensional code are then printed, which can give birth in batches
It produces, black two dimensional code in the prior art can be replaced.
Two-dimension code image of the technical solution of the present invention using one gray value of drafting within the set range；Then parsing two dimension
Code picture, obtains the corresponding gradation data of the two-dimension code image；And according to the gradation data of the two-dimension code image in chip base
The gray value of preprinted two dimensional code, first printing two dimensional code, the two dimensional code is printed lower than black two dimensional code in the prior art,
The consumption of ink can be greatly reduced；In order to guarantee the recognition speed for the two dimensional code printed in different chip bases, this programme
It further include detecting the recognition speed of two dimensional code, and filter out the two dimensional code in the recognition speed threshold range in setting as mesh
Mark two dimensional code；Then it using the corresponding gradation data of target two dimensional code as target gray data, and is printed according to target gray data
Brush ink, formed gray scale two dimensional code, in this way, through the above steps can guarantee two dimensional code recognition speed under the premise of,
The consumption of ink, reduces printing cost when greatly reducing two dimensional code printing.
In a specific embodiment, the pre-treatment step, specifically includes:
Draw the two-dimension code image that a tonal range is in 20%~40%.
In the present embodiment, gray value 20%~40% is selected to make two-dimension code image, then passes through printing machine preprinted two
Code is tieed up, the gray value of the two dimensional code controls between 20%~40%.
Preferably, in the pre-press steps, the chip base is any in paper, painting canvas, plastics, film and organic glass
It is a kind of.
In the present embodiment, the material which not only can be above-mentioned can also be the sheet material that ink can adhere to.Wherein,
Art paper in paper is optimal sheet material.
In a specific embodiment, the detection processing step, specifically includes:
Detect the recognition speed of two dimensional code；
Judge the recognition speed of two dimensional code whether in the recognition speed threshold value of setting,
If the recognition speed of two dimensional code in the recognition speed threshold value of setting, prompts to identify successfully, and determines the two dimension
Code is target two dimensional code；
If the recognition speed of two dimensional code outside the recognition speed threshold value of setting, prompts recognition failures, and returns and unsuccessfully believe
Breath.
In the present embodiment, when two dimensional code identifies successfully, can directly determine the two dimensional code is object code, without to two
Dimension code picture is drawn, and needs again to draw two-dimension code image if two dimensional code identifies successfully, then successively
Execute dissection process, preprinted processing and detection processing.
In a specific embodiment, the two dimensional code selected in the recognition speed threshold range in setting is as mesh
In the step of marking two dimensional code, further includes:
Whether the quantity that two dimensional code is selected in judgement is greater than or equal to two, when the quantity for selecting two dimensional code is greater than or equal to two
When a, the smallest two dimensional code of gray value is filtered out as target two dimensional code, when the quantity for selecting two dimensional code is one, determining should
Two dimensional code is target two dimensional code.
In the present embodiment, it is contemplated that the problem of recognition speed threshold range, the two dimensional code selected there may be one or
More than one.Target two dimensional code can be determined directly as a two dimensional code.For two or more two dimensional codes, it is
Realize least ink printing, it is also necessary to be compared to the gradation data of two or more two dimensional codes, select gray scale
It is worth the smallest two dimensional code, the consumption of ink when can greatly reduce printing two dimensional code.
In a specific embodiment, in the printing treatment step, the ink is UV light-curable ink or aqueous print
Brush ink.Preferably, in the printing treatment step, the ink is printed in a manner of UV ink-jet, silk-screen or digital printing
In chip base.Preferably, in the printing treatment step, the print thickness of the ink is 8~12um.
In the present embodiment, material, mode of printing and the print thickness of ink can be selected according to actual requirement.
Optimally, the print thickness of ink is 10um.
In a specific example, the printing process of the gray scale two dimensional code includes the following steps:
The gray value of selection 23%, makes two-dimension code image on computers in 20%~40% range；
Two-dimension code image is uploaded or is stored to Mimaki UJF-3042 printing machine, and the printing machine is to two-dimension code image
It is parsed, obtains corresponding grayscale information, and the printing machine is in the state for being ready for printing two dimensional code；
It selects chip base for 300g art paper, is fixed on stamp pad with monochromatic black printing two-dimension code image, Dan Heiyin
It brushes CMYK (colored printing) are as follows: C:0M:0Y:0K:23%, and printed using LH-100UV cured printing ink, obtain two dimension
Code, wherein spray head distance be 2mm, print ink with a thickness of 10um；
Using the recognition effect of smart machine (such as smart phone) detection two dimensional code, and can be by being divided densimeter
The grayscale information of two dimensional code is measured, to facilitate the adjustment to gray value, specific debugging step can be according to above-mentioned embodiment party
The step of formula, can greatly reduce the consumption of ink in this way, the printing of batch gray scale two dimensional code can be completed, at the same have compared with
The effect of good recognition speed.Referring to figure 2., the gray value of the two dimensional code 2 on packing box 1 is significantly less than the two dimension of the prior art
Code can also reduce the low effect of printing cost by reducing quantity of ink.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (8)
1. a kind of printing process of gray scale two dimensional code, which comprises the steps of:
The two-dimension code image of a gray value within the set range is drawn in pretreatment；
Dissection process parses two-dimension code image, obtains the corresponding gradation data of the two-dimension code image；
Preprinted processing, according to the gradation data of the two-dimension code image in chip base preprinted two dimensional code；
Detection processing, detects the recognition speed of two dimensional code, and filters out the two dimension in the recognition speed threshold range in setting
Code is used as target two dimensional code；
Printing treatment using the corresponding gradation data of target two dimensional code as target gray data, and is printed according to target gray data
Brush ink forms gray scale two dimensional code.
2. the printing process of gray scale two dimensional code as described in claim 1, which is characterized in that the pre-treatment step is specific to wrap
It includes:
Draw the two-dimension code image that a tonal range is in 20%~40%.
3. the printing process of gray scale two dimensional code as described in claim 1, which is characterized in that in the preprinted processing step,
The chip base is any one in paper, painting canvas, plastics, film and organic glass.
4. the printing process of gray scale two dimensional code as described in claim 1, which is characterized in that the detection processing step, specifically
Include:
Detect the recognition speed of two dimensional code；
Judge the recognition speed of two dimensional code whether in the recognition speed threshold value of setting,
If the recognition speed of two dimensional code in the recognition speed threshold value of setting, prompts to identify successfully, and determines that the two dimensional code is
Target two dimensional code；
If the recognition speed of two dimensional code prompts recognition failures, and return to failure information outside the recognition speed threshold value of setting.
5. the printing process of gray scale two dimensional code as described in claim 1, which is characterized in that described to select the identification in setting
In the step of two dimensional code within the scope of threshold speed is as target two dimensional code, further includes:
Whether the quantity that two dimensional code is selected in judgement is greater than or equal to two, when the quantity for selecting two dimensional code is greater than or equal to two
When, filter out the smallest two dimensional code of gray value as target two dimensional code, when the quantity for selecting two dimensional code is one, determine this two
Dimension code is target two dimensional code.
6. the printing process of gray scale two dimensional code as described in claim 1, which is characterized in that in the printing treatment step, institute
Stating ink is UV light-curable ink or water-based printing ink.
7. the printing process of gray scale two dimensional code as claimed in claim 6, which is characterized in that in the printing treatment step, institute
It states ink to be printed in chip base in a manner of silk-screen or digital printing, wherein the digital printing includes UV ink-jet.
8. the printing process of gray scale two dimensional code as claimed in claim 7, which is characterized in that in the printing treatment step, institute
The print thickness for stating ink is 8~12um.
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| CN110633605B (en) * | 2018-06-25 | 2022-05-06 | 视联动力信息技术股份有限公司 | Image processing method and device |
| CN110116550B (en) * | 2019-05-15 | 2021-04-09 | 昇捷丰电子（厦门）有限公司 | Ink jet printer and jet printing concentration adjusting method and device thereof |
| CN114295202A (en) * | 2021-12-29 | 2022-04-08 | 湖南汉状元教育科技有限公司 | Infrared information processing method and device, electronic equipment and readable storage medium |
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| US7182451B2 (en) * | 2003-10-24 | 2007-02-27 | Pitney Bowes Inc. | Method and apparatus for halftone printing with multi-signal transmission ink |
| CN104228376B (en) * | 2013-06-19 | 2016-09-28 | 广州市人民印刷厂股份有限公司 | Rainbow printing process |
| TWI507909B (en) * | 2014-09-23 | 2015-11-11 | Univ Nat Taipei Technology | Data-bearing encoding system and data-bearing decoding system |
| CN104715275B (en) * | 2015-04-02 | 2018-04-24 | 矽图（厦门）科技有限公司 | A kind of generation method and generating means of grey Quick Response Code |
| CN105095938B (en) * | 2015-08-18 | 2019-01-15 | 矽图（厦门）科技有限公司 | A kind of generation method of the multistage latent image code of colour |
| CN105109228A (en) * | 2015-08-20 | 2015-12-02 | 江苏昌昇集团股份有限公司 | Method of utilizing printing machine for printing bar code |
| CN105538896B (en) * | 2016-01-05 | 2018-05-01 | 华南理工大学 | A kind of printing method and device with the anti-fake two-dimension code for printing height |
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