CN111046903B - Printed matter graph inspection method, system and storage medium - Google Patents
Printed matter graph inspection method, system and storage medium Download PDFInfo
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- CN111046903B CN111046903B CN201911045909.8A CN201911045909A CN111046903B CN 111046903 B CN111046903 B CN 111046903B CN 201911045909 A CN201911045909 A CN 201911045909A CN 111046903 B CN111046903 B CN 111046903B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The embodiment of the invention discloses a method, a system and a storage medium for inspecting printed matter graph, which are used for acquiring account number and password information input by a user and verifying, and finishing login after verification; acquiring a printed matter graph and a printing template graph uploaded by a user; and comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph. The method has the advantages of automatically detecting the difference between the printed matter graph and the printing template graph, automatically identifying and correcting errors, being rapid and intelligent, short in time consumption, high in accuracy, capable of effectively saving labor cost and improving working efficiency.
Description
Technical Field
The embodiment of the invention relates to the technical field of printing, in particular to a method, a system and a storage medium for inspecting a printed matter graph.
Background
Printing is a technique of transferring ink onto surfaces of materials such as paper, textile, plastic, leather, etc. by performing plate making, inking, pressurizing, etc. on original documents such as letters, pictures, photographs, anti-counterfeiting, etc., and copying the original document contents in batches. Printing is the process of transferring approved printing plates to a substrate by printing machinery and dedicated inks. With the rapid development of the printing industry, the quality requirements of people on printed matters are higher and higher, and the application of the printed matters in daily life of people is extended to various aspects, such as goods, medicines, tool books, printed marks and the like, and the occurrence of printing errors can cause immeasurable consequences for the life of people. Printed prints generally require pattern inspection, i.e., checking whether there is a discrepancy between the print pattern and the print template pattern.
The existing printed matter pattern inspection mostly adopts a manual template inspection method, has the defects of large workload, time and labor waste, low working efficiency, high labor cost, easy error, low inspection accuracy of printed matters and lack of a special rapid inspection and intelligent recognition error correction method for printed matter patterns.
Disclosure of Invention
Therefore, the embodiment of the invention provides a method, a system and a storage medium for inspecting printed matter patterns, which are used for solving the problems that the conventional method for inspecting printed matter patterns mostly adopts a manual template method, is large in workload, time-consuming and labor-consuming, low in working efficiency, high in labor cost, easy to make mistakes and low in inspection accuracy of printed matter.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to a first aspect of an embodiment of the present invention, there is provided a printed matter pattern inspection method, the method including:
acquiring account number and password information input by a user, verifying, and finishing login after verification;
acquiring a printed matter graph and a printing template graph uploaded by a user;
and comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph.
Further, the method further comprises:
acquiring a printing template graph uploaded by a user;
comparing the printing template graph uploaded by the user with the stored historical printing template graph, and searching for a historical printing template graph similar to the printing template graph uploaded by the user;
identifying the difference between the printing template graph uploaded by the user and the similar historical printing template graph and marking the graph.
Further, the method further comprises:
acquiring a printed matter graph or a printing template graph uploaded by a user;
and identifying text information in the printed matter graph or the printing template graph uploaded by the user, and performing image-text conversion.
Further, the method further comprises:
and recording and storing the comparison result of the printed matter graph and the printing template graph.
Further, before the account number and the password information input by the user are acquired and verified, the method further comprises the steps of:
and registering the account number and the password.
According to a second aspect of an embodiment of the present invention, there is provided a printed matter pattern inspection system, the system comprising:
the login module is used for acquiring account number and password information input by a user and verifying, and completing login after verification is passed;
the graphic comparison module is used for acquiring the printed matter graphic and the printing template graphic uploaded by the user;
and comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph.
Further, the system further comprises:
the duplicate checking module is used for acquiring the printing template graph uploaded by the user;
comparing the printing template graph uploaded by the user with the stored historical printing template graph, and searching for a historical printing template graph similar to the printing template graph uploaded by the user;
identifying the difference between the printing template graph uploaded by the user and the similar historical printing template graph and marking the graph.
Further, the system further comprises:
the text conversion module is used for acquiring the printed matter graph or the printed template graph uploaded by the user;
and identifying text information in the printed matter graph or the printing template graph uploaded by the user, and performing image-text conversion.
Further, the system further comprises:
and the history recording module is used for recording and storing the comparison result of the printed matter graph and the printing template graph.
According to a third aspect of embodiments of the present invention, a computer storage medium is presented, in which one or more program instructions are embodied for performing any of the method steps of a printed matter pattern inspection method as above by a printed matter pattern inspection system.
The embodiment of the invention has the following advantages:
the embodiment of the invention provides a printed matter graph inspection method, a system and a storage medium, which are used for acquiring account and password information input by a user and verifying, and finishing login after verification; acquiring a printed matter graph and a printing template graph uploaded by a user; and comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph. The method has the advantages of automatically detecting the difference between the printed matter graph and the printing template graph, automatically identifying and correcting errors, being rapid and intelligent, short in time consumption, high in accuracy, capable of effectively saving labor cost and improving working efficiency.
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. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic flow chart of a method for inspecting printed matter patterns according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a printed matter pattern inspection system according to embodiment 2 of the present invention.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment 1 of the invention provides a printed matter pattern inspection method, which is specifically shown in fig. 1, and comprises the following steps:
step 110, acquiring account number and password information input by a user, verifying, and finishing login after verification.
Specifically, the user can install the printed matter pattern inspection APP on the mobile terminal such as a mobile phone to complete the automatic inspection of the printed matter pattern. Further, before step 110, the method further includes: and registering the account number and the password. The user registers account number and password on APP, the registration can bind mobile phone number and can set company information. After the account registration is completed, the registered account and the password are used for logging in the APP for image checking.
And 120, acquiring the printed matter graph and the printing template graph uploaded by the user.
Specifically, the APP has a graphic comparison function, and when using this function, the user needs to take a photograph first or upload a photograph of the stored print graphic and a print template graphic.
Specifically, the printed matter graph and the printed template graph contain text information, various mark marks, various patterns and other elements in various different languages.
Step 130, comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph.
Specifically, after the printed matter graph and the printing template graph are uploaded, the images are determined to be subjected to comparison and inspection, the uploaded printed matter graph and the uploaded printing template graph can be automatically compared, different points are searched, the different points are automatically marked by using the striking marks, the number of the different points can be counted, the user can visually see whether the printed matter graph has a printing error point or not at a glance, the printing is convenient and quick, five minutes are needed for manual plate alignment, and only 1 second or even shorter is needed for APP automatic plate alignment.
In order to complete graphic comparison, an OCR (optical character recognition) technology is adopted to conduct image recognition on the printed matter graph and the printing template graph, and image character recognition of multiple languages is supported. The requested image data is encoded by base64, the size of the encoded base64 is not more than 4M, the shortest side is at least 15px, the longest side is at most 4096px, and the jpg/png/bmp format is supported.
Further, the method further comprises:
acquiring a printing template graph uploaded by a user;
comparing the printing template graph uploaded by the user with the stored historical printing template graph, and searching for a historical printing template graph similar to the printing template graph uploaded by the user;
the differences between the user uploaded print template pattern and a similar historical print template pattern are identified and marked in the pattern.
Specifically, the APP has the duplicate checking function, and can quickly establish a dedicated gallery, the gallery supports hundred million-level picture quantity storage, meanwhile, the gallery has the management function, the operations of uploading, modifying, deleting, previewing a large picture and the like are supported, and the printing template picture uploaded historically can be subjected to gallery storage.
When the repeat searching function is used, after the print template graph to be searched is uploaded, the repeat searching is confirmed, the historical print template graph similar to the print template graph uploaded by a user can be automatically searched, the similar picture set is searched in the gallery, the similarity score is given, the number of the returned results can be self-defined, the difference of the two graphs can be automatically marked after the similar picture is obtained, so that the difference between the content to be printed and the content printed in the historical way can be automatically identified, the accurate finding of which content is printed before and does not need to be printed again can be facilitated, the corresponding content is modified on the historical product only when a new product is needed, the cost can be effectively saved, and the working efficiency is improved.
Further, the method further comprises:
acquiring a printed matter graph or a printing template graph uploaded by a user;
and identifying text information in the printed matter graph or the printing template graph uploaded by the user, and performing image-text conversion.
Specifically, the APP also has a text conversion function, and can automatically identify and convert text information in the graph into readable text information after uploading the printed matter graph or the printed template graph.
Further, the method further comprises: and recording and storing the comparison result of the printed matter graph and the printing template graph.
Specifically, the graph comparison result obtained by the graph comparison function of the APP can be recorded and stored, so that a user can conveniently inquire a historical order, and furthermore, the repeated checking result and the text conversion result obtained by the repeated checking function and the text conversion function of the APP can also be recorded and stored, and the user can also inquire the historical order.
According to the printed matter graph inspection method provided by the embodiment of the invention, account number and password information input by a user are obtained and verified, and login is completed after verification is passed; acquiring a printed matter graph and a printing template graph uploaded by a user; and comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph. The method has the advantages of automatically detecting the difference between the printed matter graph and the printing template graph, automatically identifying and correcting errors, being rapid and intelligent, short in time consumption, high in accuracy, capable of effectively saving labor cost and improving working efficiency.
In correspondence with the above embodiment 1, embodiment 2 of the present invention proposes a printed matter graphic inspection system, specifically as shown in fig. 2, which includes a login module 210, a graphic comparison module 220, a duplication checking module 230, a text conversion module 240, and a history module 250.
The login module 210 is configured to obtain account number and password information input by a user, perform verification, and complete login after the verification is passed;
the graphic comparison module 220 is used for acquiring the printed matter graphic and the printing template graphic uploaded by the user;
the difference between the printed matter pattern and the print template pattern is compared and identified, and marks are made in the pattern.
Further, the system further comprises:
a check and repeat module 230 for acquiring the print template pattern uploaded by the user;
comparing the printing template graph uploaded by the user with the stored historical printing template graph, and searching for a historical printing template graph similar to the printing template graph uploaded by the user;
the differences between the user uploaded print template pattern and a similar historical print template pattern are identified and marked in the pattern.
Further, the system further comprises:
the text conversion module 240 is configured to obtain a print graphic or a print template graphic uploaded by a user;
and identifying text information in the printed matter graph or the printing template graph uploaded by the user, and performing image-text conversion.
Further, the system further comprises:
the history module 250 is configured to record and store a comparison result of the print pattern and the print template pattern.
The functions performed by each component in the printed matter graphic inspection system provided in the embodiment of the present invention are described in detail in the above embodiment 1, so that redundant description is omitted here.
The printed matter graph inspection system provided by the embodiment of the invention acquires account number and password information input by a user and performs verification, and login is completed after the verification is passed; acquiring a printed matter graph and a printing template graph uploaded by a user; and comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph. The method has the advantages of automatically detecting the difference between the printed matter graph and the printing template graph, automatically identifying and correcting errors, being rapid and intelligent, short in time consumption, high in accuracy, capable of effectively saving labor cost and improving working efficiency.
In correspondence with the above-described embodiment, embodiment 3 of the present invention proposes a computer storage medium having one or more program instructions contained therein for executing any one of the method steps of a printed matter pattern inspection method as in embodiment 1 by a printed matter pattern inspection system.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (4)
1. A method of inspecting a printed article graphic, the method comprising:
acquiring account number and password information input by a user, verifying, and finishing login after verification;
acquiring a printed matter graph and a printing template graph uploaded by a user; comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph to show whether the content to be printed has a printing error;
acquiring a printing template graph uploaded by a user; comparing the printing template graph uploaded by the user with the stored historical printing template graph, and searching for a historical printing template graph similar to the printing template graph uploaded by the user; searching a similar picture set in a gallery, giving a similarity score, and automatically marking the difference of two graphs after obtaining the similar pictures by self-defining the number of returned results; identifying the difference between the printing template graph uploaded by the user and the similar historical printing template graph and marking the graph to display the position where the content to be printed is different from the historical printing content;
acquiring a printed matter graph or a printing template graph uploaded by a user; identifying text information in the printed matter graph or the printing template graph uploaded by a user, performing image-text conversion, and automatically identifying and converting the text information in the graph into readable text information;
and recording and storing the comparison result of the printed matter graph and the printing template graph.
2. The method of claim 1, wherein before obtaining account and password information entered by a user and verifying, the method further comprises:
and registering the account number and the password.
3. A printed matter graphic inspection system, the system comprising:
the login module is used for acquiring account number and password information input by a user and verifying, and completing login after verification is passed;
the graphic comparison module is used for acquiring the printed matter graphic and the printing template graphic uploaded by the user; comparing and identifying the difference between the printed matter graph and the printing template graph and marking the graph to show whether the content to be printed has a printing error;
the duplicate checking module is used for acquiring the printing template graph uploaded by the user; comparing the printing template graph uploaded by the user with the stored historical printing template graph, and searching for a historical printing template graph similar to the printing template graph uploaded by the user; identifying the difference between the printing template graph uploaded by the user and the similar historical printing template graph and marking the graph to display the position where the content to be printed is different from the historical printing content;
the text conversion module is used for acquiring the printed matter graph or the printed template graph uploaded by the user; identifying text information in the printed matter graph or the printing template graph uploaded by a user, performing image-text conversion, and automatically identifying and converting the text information in the graph into readable text information;
and the history recording module is used for recording and storing the comparison result of the printed matter graph and the printing template graph.
4. A computer storage medium having one or more program instructions embodied therein for performing the method of any of claims 1-2 by a printed matter pattern inspection system.
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| CN201911045909.8A CN111046903B (en) | 2019-10-30 | 2019-10-30 | Printed matter graph inspection method, system and storage medium |
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| CN201911045909.8A CN111046903B (en) | 2019-10-30 | 2019-10-30 | Printed matter graph inspection method, system and storage medium |
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| CN111046903B true CN111046903B (en) | 2023-06-02 |
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| JP2007044896A (en) * | 2005-08-08 | 2007-02-22 | Dainippon Printing Co Ltd | Equipment, method and system for inspecting quality of printed matter |
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