CN106778410B - A kind of yard of figure detection method and detection system - Google Patents
A kind of yard of figure detection method and detection system Download PDFInfo
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- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
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Abstract
This application discloses a kind of yard of figure detection method and detection systems, wherein the code figure detection method includes: setting acquisition parameter；Obtain the code figure original image of code figure to be measured；The code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region image；At least one yard of graph region image is decoded, and according to decoding result judge the code figure to be measured whether successfully decoded.The code figure detection method reduces required decoded image-region, improves decoding speed, to improve a yard figure detection efficiency.And due to being cut to the code figure original image of acquisition, can to avoid retain due to code figure carrier fold or ambient light the bad region of caused imaging effect as the code graph region image, it is decoded into power to improve yard graph region image, thereby reduces the False Rate of code figure in detection process.
Description
Technical field
This application involves variable data printing technical fields, more specifically to a kind of yard of figure detection method and detection
System.
Background technique
Code figure is widely used in the outer package surface of extensive stock, for recording merchandise news or company-information etc..And
The information that code seal carries passes through image input device or photoelectric scanning device automatically identifying and reading to realize that information is automatic in which can be convenient
Processing.The information as documented by the code figure for being printed on different commodity outer package surfaces is different, and the printing of code figure needs
To use variable data printing technology.In the printing process of code figure, in order to find the problem in printing process in time, subtract
Few unnecessary loss, needs the quality to the code figure printed out to be measured in real time, and picks to the abnormal outer packing of detection
Useless problem, prevents waste product from coming into the market, causes unnecessary loss to enterprise.
In the prior art to code figure detect when need using camera obtain code figure original image, then to original image into
Row parsing, judges whether code figure can decode.But the quality of the original image of the code figure of camera acquisition is easy to be carried by code figure
The shape of body or the influence of ambient light, to reduce the erroneous judgement for being decoded into power, causing to code figure of yard figure；In addition, with
The continuous improvement of the pixel of camera, camera obtain code figure original image shared by memory it is also increasing so that described
The parsing time needed for original image is more and more, reduces the efficiency detected to code figure.
Therefore, it is lower to need a kind of False Rate, and the higher code figure detection method of detection efficiency.
Summary of the invention
In order to solve the above technical problems, being reduced the present invention provides a kind of yard of figure detection method and detection system with realizing
The False Rate of code figure detection, and improve the purpose of detection efficiency.
To realize the above-mentioned technical purpose, the embodiment of the invention provides following technical solutions:
A kind of yard of figure detection method, comprising:
Acquisition parameter is set；
Obtain the code figure original image of code figure to be measured；
The code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region image；
At least one yard of graph region image is decoded, and whether the code figure to be measured is judged according to decoding result
Successfully decoded.
Optionally, the setting acquisition parameter includes:
Code figure original image cropped area is set.
Optionally, described that at least one yard of graph region image is decoded, and described in being judged according to decoding result
Whether successfully decoded includes: code figure to be measured
It will at least one yard of graph region image construction image collection；
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining the code diagram to be measured
Code success；If it is not, then judge whether described image set is empty, if so, determine the code diagram code failure to be measured, if
It is no, then return to a step of code graph region in the extraction described image set is as target image.
Optionally, described that at least one yard of graph region image is decoded, and described in being judged according to decoding result
Whether successfully decoded includes: code figure to be measured
All code graph region images are decoded, when the success of all code graph region image decodings, are determined
The code figure successfully decoded to be measured；When the failure of any code graph region image decoding, determine that the code diagram code to be measured loses
It loses.
Optionally, described that at least one yard of graph region image is decoded, and described in being judged according to decoding result
Whether successfully decoded includes: code figure to be measured
The code graph region image of same code value is put into an image collection；
Each image collection is decoded, when the equal successfully decoded of all image collections, determines the code figure to be measured
Successfully decoded；
Described be decoded to each image collection include:
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining that the image collection decodes
Success；If it is not, then judging whether the image collection is empty, if so, image collection decoding failure is determined, if it is not, then returning
Pumpback takes a step of code graph region image in described image set is as target image.
A kind of yard of figure detection system, comprising:
Parameter setting module, for acquisition parameter to be arranged；
Image collection module, for obtaining the code figure original image of code figure to be measured；
Image cuts module, for being cut according to the acquisition parameter to the code figure original image, obtains at least
One code graph region image；
Judgment module for being decoded at least one yard of graph region image, and judges institute according to decoding result
State code figure to be measured whether successfully decoded.
Optionally, the parameter setting module is specifically used for setting code figure original image cropped area.
Optionally, the judgment module is specifically used at least one yard of graph region image construction image collection；
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining the code diagram to be measured
Code success；If it is not, then judge whether described image set is empty, if so, determine the code diagram code failure to be measured, if
It is no, then return to a step of code graph region in the extraction described image set is as target image.
Optionally, the judgment module is specifically used for being decoded all code graph region images, when all described
When code graph region image decoding success, the code figure successfully decoded to be measured is determined；When any code graph region image decoding loses
When losing, the code diagram code failure to be measured is determined.
Optionally, the judgment module is specifically used for the code graph region image of same code value being put into an image collection；
Each image collection is decoded, when the equal successfully decoded of all image collections, determines the code figure to be measured
Successfully decoded；
Described be decoded to each image collection include:
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining that the image collection decodes
Success；If it is not, then judging whether the image collection is empty, if so, image collection decoding failure is determined, if it is not, then returning
Pumpback takes a step of code graph region image in described image set is as target image.
It can be seen from the above technical proposal that the embodiment of the invention provides a kind of yard of figure detection method and detection system,
Wherein, the code figure detection method is by cutting the code figure original image of acquisition, to obtain at least one yard of graph region
Then image is decoded at least one yard of graph region image, and judge that the code figure to be measured is according to decoding result
No successfully decoded, so that decoded image-region needed for reducing, improves decoding speed, to improve code figure detection effect
Rate.
And due to being cut to the code figure original image of acquisition, can to avoid retaining due to code figure carrier fold or
The bad region of the reason of ambient light caused imaging effect is as the code graph region image, to improve a yard graph region
Image is decoded into power, thereby reduces the False Rate of code figure in detection process.
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
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow diagram for a kind of yard of figure detection method that one embodiment of the application provides；
Fig. 2 is the flow diagram for a kind of yard of figure detection method that another embodiment of the application provides；
Fig. 3 is the flow diagram for a kind of yard of figure detection method that another embodiment of the application provides；
Fig. 4 is the flow diagram for a kind of yard of figure detection method that the further embodiment of the application provides；
Fig. 5 is the flow diagram for a kind of yard of figure detection method that the preferred embodiment of the application provides；
Fig. 6 is the structural schematic diagram for a kind of yard of figure detection system that one embodiment of the application provides.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present application provides a kind of yard of figure detection method, as shown in Figure 1, comprising:
S101: setting acquisition parameter；
S102: the code figure original image of code figure to be measured is obtained；
S103: the code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region
Image；
S104: being decoded at least one yard of graph region image, and judges the code to be measured according to decoding result
Figure whether successfully decoded.
It should be noted that the code figure detection method is by cutting the code figure original image of acquisition, to obtain
Then at least one yard of graph region image is decoded at least one yard of graph region image, and is sentenced according to decoding result
The code figure to be measured that breaks whether successfully decoded, so that decoded image-region needed for reducing, improves decoding speed, to mention
Code figure detection efficiency is risen.
And due to being cut to the code figure original image of acquisition, can to avoid retaining due to code figure carrier fold or
The bad region of the reason of ambient light caused imaging effect is as the code graph region image, to improve a yard graph region
Image is decoded into power, thereby reduces the False Rate of code figure in detection process.
It should also be noted that, in the preferred embodiment of the application, the face of the code graph region image of acquisition
Product needs the effective coverage being greater than in code figure original image, to avoid due to the mistake in the code figure original image for obtaining code figure to be measured
In journey because of situations such as shaking caused by effective coverage offset and cause effective coverage to acquire incomplete problem.
On the basis of the above embodiments, in one embodiment of the application, as shown in Fig. 2, code figure detection side
Method includes:
S201: setting code figure original image cropped area；
S202: the code figure original image of code figure to be measured is obtained；
S203: the code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region
Image；
S204: being decoded at least one yard of graph region image, and judges the code to be measured according to decoding result
Figure whether successfully decoded.
It should be noted that the setting acquisition parameter can also include that setting is adopted in the other embodiments of the application
Collect the optical parameter of the camera of the code figure original image of code figure to be measured.
On the basis of the above embodiments, in another embodiment of the application, as shown in figure 3, the code figure detects
Method includes:
S301: setting code figure original image cropped area；
S302: the code figure original image of code figure to be measured is obtained；
S303: the code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region
Image；
S304: will at least one yard of graph region image construction image collection；
S305: a code graph region image in described image set is extracted as target image, the code graph region of extraction
Image is no longer present in described image set；
S306: being decoded the target image, and judge whether successfully decoded, if it is, determining described to be measured
Code figure successfully decoded；If it is not, then judging whether described image set is empty, if so, determining that the code diagram code to be measured loses
It loses, if it is not, then return step S305.
It should be noted that in the present embodiment, when there is the code graph region image decoding in described image set
Success is it is determined that the code figure successfully decoded to be measured, further to promote decoding efficiency and the decoding to the code figure to be measured
Success rate promotes the detection efficiency to code figure to be measured, and reduces the False Rate to code figure to be measured.
It is described that at least one yard of graph region image is decoded in the present embodiment, and judged according to decoding result
Whether the specific decision logic of successfully decoded has multiple effective coverages suitable for the code figure to be measured to the code figure to be measured, still
The identical situation of the code value of multiple effective coverages.
On the basis of the above embodiments, in another embodiment of the application, as shown in figure 4, the code figure detects
Method includes:
S401: setting code figure original image cropped area；
S402: the code figure original image of code figure to be measured is obtained；
S403: the code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region
Image；
S404: being decoded all code graph region images, when the success of all code graph region image decodings,
Determine the code figure successfully decoded to be measured；When the failure of any code graph region image decoding, the code diagram to be measured is determined
Code failure.
It is described that at least one yard of graph region image is decoded in the present embodiment, and judged according to decoding result
Whether the specific decision logic of successfully decoded has multiple effective coverages suitable for the code figure to be measured to the code figure to be measured, each
Effective coverage corresponds to a described image cropped area, and the different situation of code value of multiple effective coverages.
On the basis of the above embodiments, in the further embodiment of the application, as shown in figure 5, the code figure detects
Method includes:
S501: setting code figure original image cropped area；
S502: the code figure original image of code figure to be measured is obtained；
S503: the code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region
Image；
S504: the code graph region image of same code value is put into an image collection；
S505: being decoded each image collection, when the equal successfully decoded of all image collections, determines described to be measured
Code figure successfully decoded；
Described be decoded to each image collection include:
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining that the image collection decodes
Success；If it is not, then judging whether the image collection is empty, if so, image collection decoding failure is determined, if it is not, then returning
Pumpback takes a step of code graph region image in described image set is as target image.
It should be noted that in the present embodiment, when there is the code graph region image decoding in described image set
Success is it is determined that the image collection successfully decoded, further to promote the decoding efficiency to the code figure to be measured and be decoded into
Power promotes the detection efficiency to the code figure to be measured, and reduces the False Rate to code figure to be measured.
It is described that at least one yard of graph region image is decoded in the present embodiment, and judged according to decoding result
Whether the specific decision logic of successfully decoded has multiple effective coverages suitable for the code figure to be measured to the code figure to be measured, at least
One effective coverage corresponds to multiple described image cropped areas, and the different situation of code value of multiple effective coverages.
Correspondingly, the embodiment of the present application also provides a kind of yard of figure detection systems, as shown in Figure 6, comprising:
Parameter setting module 100, for acquisition parameter to be arranged；
Image collection module 200, for obtaining the code figure original image of code figure to be measured；
Image cuts module 300, for being cut according to the acquisition parameter to the code figure original image, obtains extremely
A few code graph region image；
Judgment module 400 for being decoded at least one yard of graph region image, and judges according to decoding result
The code figure to be measured whether successfully decoded.
It should be noted that the code figure detection system is by cutting the code figure original image of acquisition, to obtain
Then at least one yard of graph region image is decoded at least one yard of graph region image, and is sentenced according to decoding result
The code figure to be measured that breaks whether successfully decoded, so that decoded image-region needed for reducing, improves decoding speed, to mention
Code figure detection efficiency is risen.
And due to being cut to the code figure original image of acquisition, can to avoid retaining due to code figure carrier fold or
The bad region of the reason of ambient light caused imaging effect is as the code graph region image, to improve a yard graph region
Image is decoded into power, thereby reduces the False Rate of code figure in detection process.
It should also be noted that, in the preferred embodiment of the application, the face of the code graph region image of acquisition
Product needs the effective coverage being greater than in code figure original image, to avoid due to the mistake in the code figure original image for obtaining code figure to be measured
In journey because of situations such as shaking caused by effective coverage offset and cause effective coverage to acquire incomplete problem.
On the basis of the above embodiments, in one embodiment of the application, the parameter setting module 100 is specifically used
In setting code figure original image cropped area.
It should be noted that the setting acquisition parameter can also include that setting is adopted in the other embodiments of the application
Collect the optical parameter of the camera of the code figure original image of code figure to be measured.
On the basis of the above embodiments, in another embodiment of the application, the judgment module 400 is specifically used for
It will at least one yard of graph region image construction image collection；
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining the code diagram to be measured
Code success；If it is not, then judge whether described image set is empty, if so, determine the code diagram code failure to be measured, if
It is no, then return to a step of code graph region in the extraction described image set is as target image.
It should be noted that in the present embodiment, when there is the code graph region image decoding in described image set
Success is it is determined that the code figure successfully decoded to be measured, further to promote decoding efficiency and the decoding to the code figure to be measured
Success rate promotes the detection efficiency to code figure to be measured, and reduces the False Rate to code figure to be measured.
In the present embodiment, what the judgment module 400 executed is decoded at least one yard of graph region image, and
Judge whether the specific decision logic of successfully decoded has the code figure to be measured suitable for the code figure to be measured according to decoding result
Multiple effective coverages, but the situation that the code value of multiple effective coverages is identical.
On the basis of the above embodiments, in another embodiment of the application, the judgment module 400 is specifically used for
All code graph region images are decoded, when the success of all code graph region image decodings, are determined described to be measured
Code figure successfully decoded；When the failure of any code graph region image decoding, the code diagram code failure to be measured is determined.
In the present embodiment, what the judgment module 400 executed is decoded at least one yard of graph region image, and
Judge whether the specific decision logic of successfully decoded has the code figure to be measured suitable for the code figure to be measured according to decoding result
Multiple effective coverages, each effective coverage corresponds to a described image cropped area, and the code value of multiple effective coverages is respectively not
Identical situation.
On the basis of the above embodiments, in the further embodiment of the application, the judgment module 400 is specifically used for
The code graph region image of same code value is put into an image collection；
Each image collection is decoded, when the equal successfully decoded of all image collections, determines the code figure to be measured
Successfully decoded；
Described be decoded to each image collection include:
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is not
It is present in described image set again；
The target image is decoded, and judges whether successfully decoded, if it is, determining that the image collection decodes
Success；If it is not, then judging whether the image collection is empty, if so, image collection decoding failure is determined, if it is not, then returning
Pumpback takes a step of code graph region image in described image set is as target image.
It should be noted that in the present embodiment, when there is the code graph region image decoding in described image set
Success is it is determined that the image collection successfully decoded, further to promote the decoding efficiency to the code figure to be measured and be decoded into
Power promotes the detection efficiency to the code figure to be measured, and reduces the False Rate to code figure to be measured.
In the present embodiment, what the judgment module 400 executed is decoded at least one yard of graph region image, and
Judge whether the specific decision logic of successfully decoded has the code figure to be measured suitable for the code figure to be measured according to decoding result
Multiple effective coverages, at least one effective coverage correspond to multiple described image cropped areas, and the code value of multiple effective coverages
Different situation.
In conclusion the embodiment of the present application provides a kind of yard of figure detection method and detection system, wherein the code figure inspection
Survey method is by cutting the code figure original image of acquisition, to obtain at least one yard of graph region image, then to described
At least one yard of graph region image is decoded, and according to decoding result judge the code figure to be measured whether successfully decoded, thus
Decoded image-region needed for reducing, improves decoding speed, to improve a yard figure detection efficiency.
And due to being cut to the code figure original image of acquisition, can to avoid retaining due to code figure carrier fold or
The bad region of the reason of ambient light caused imaging effect is as the code graph region image, to improve a yard graph region
Image is decoded into power, thereby reduces the False Rate of code figure in detection process.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of yard of figure detection method characterized by comprising
Acquisition parameter is set；
Obtain the code figure original image of code figure to be measured；
The code figure original image is cut according to the acquisition parameter, obtains at least one yard of graph region image；
At least one yard of graph region image is decoded, and judges whether the code figure to be measured decodes according to decoding result
Success；
It is described that at least one yard of graph region image is decoded, and whether the code figure to be measured is judged according to decoding result
Successfully decoded includes:
The code graph region image of same code value is put into an image collection；
Each image collection is decoded, when the equal successfully decoded of all image collections, determines that the code to be measured illustrates code
Success；
Described be decoded to each image collection include:
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is no longer deposited
It is in described image set；
The target image is decoded, and judges whether successfully decoded, if it is, determining that the image collection is decoded into
Function；If it is not, then judging whether the image collection is empty, if so, image collection decoding failure is determined, if it is not, then returning
Extract a step of code graph region image in described image set is as target image.
2. according to claim 1 yard of figure detection method, which is characterized in that the setting acquisition parameter includes:
Code figure original image cropped area is set.
3. according to claim 1 yard of figure detection method, which is characterized in that described at least one yard of graph region figure
As being decoded, and judge whether successfully decoded includes: the code figure to be measured according to decoding result
All code graph region images are decoded, when the success of all code graph region image decodings, described in judgement
Code figure successfully decoded to be measured；When the failure of any code graph region image decoding, the code diagram code failure to be measured is determined.
4. a kind of yard of figure detection system characterized by comprising
Parameter setting module, for acquisition parameter to be arranged；
Image collection module, for obtaining the code figure original image of code figure to be measured；
Image cuts module, for cutting according to the acquisition parameter to the code figure original image, obtains at least one
Code graph region image；
Judgment module, for being decoded at least one yard of graph region image, and according to decoding result judgement it is described to
Survey code figure whether successfully decoded；
The judgment module is specifically used for the code graph region image of same code value being put into an image collection；
Each image collection is decoded, when the equal successfully decoded of all image collections, determines that the code to be measured illustrates code
Success；
Described be decoded to each image collection include:
A code graph region image in described image set is extracted as target image, the code graph region image of extraction is no longer deposited
It is in described image set；
The target image is decoded, and judges whether successfully decoded, if it is, determining that the image collection is decoded into
Function；If it is not, then judging whether the image collection is empty, if so, image collection decoding failure is determined, if it is not, then returning
Extract a step of code graph region image in described image set is as target image.
5. according to claim 4 yard of figure detection system, which is characterized in that the parameter setting module is specifically used for setting
Code figure original image cropped area.
6. according to claim 4 yard of figure detection system, which is characterized in that the judgment module is specifically used for all institutes
It states a yard graph region image to be decoded, when the success of all code graph region image decodings, determines that the code to be measured illustrates code
Success；When the failure of any code graph region image decoding, the code diagram code failure to be measured is determined.
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| CN1717939A (en) * | 2003-02-19 | 2006-01-04 | 松下电器产业株式会社 | Picture decoding apparatus, picture encoding apparatus, and method thereof |
| JP2011186950A (en) * | 2010-03-10 | 2011-09-22 | Toshiba Tec Corp | Code reader and program |
| CN103685859A (en) * | 2012-09-12 | 2014-03-26 | 瑞昱半导体股份有限公司 | Image processing method, image output processing method and image receiving processing method |
| CN103942791A (en) * | 2014-04-14 | 2014-07-23 | 立德高科(北京)数码科技有限责任公司 | Method for detecting printing quality of special spectral anti-fake mark in real time |
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