CN115906909B - Packaging bag identification code spraying system - Google Patents
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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
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Abstract
The invention discloses a packaging bag identification code spraying system, which relates to the technical field of packaging bag code spraying, and solves the technical problems that a later code spraying identification is blocked by a packaging area and part of code spraying identification is invisible and the proportion of the code spraying area and the corresponding code spraying identification is not adjusted.
Description
Technical Field
The invention belongs to the technical field of packaging bag code spraying, and particularly relates to a packaging bag identification code spraying system.
Background
The packaging bag is used for packaging various articles, so that the articles are convenient to transport and easy to store in the production and circulation process, are widely used in daily life and industrial production, and are shown by practical numbers, 80% of used plastic bags are finally transported to a garbage stack area for treatment as common garbage, and only seven percent of plastic is recycled.
The invention of patent publication number CN105966063B provides a code spraying method, which belongs to the field of package construction and comprises the following steps: the code spraying machine acquires address data of the building packet; associating the address data with the obtained graphic identification code; generating code spraying data according to the address data and the graphic identification code associated with the address data so as to spray codes on the surface of a packaging bag for packaging the package; in addition, based on the code spraying method, the embodiment of the invention also provides a code spraying control device and a code spraying system; the code spraying method, the code spraying device and the code spraying system provided by the embodiment of the invention directly spray-print the patterns corresponding to the associated address data and the graphic identification code on the surface of the packaging bag for packaging the package, have higher efficiency, greatly reduce the preparation time of the packaging bag in the packaging process, and effectively improve the process of packaging the package.
In the processing and code spraying process of the packaging bag, according to the determined code spraying area, an operator controls the code spraying equipment to directly spray the corresponding code spraying mark in the corresponding code spraying area, but the code spraying mode still has the following defects to improve in the specific operation process:
1. the code spraying area is not confirmed, so that the later code spraying mark is blocked by the packaging area, and part of the code spraying mark is invisible;
2. the code spraying area and the corresponding code spraying mark proportion are not adjusted, so that the proportion of part of code spraying marks and the corresponding code spraying area is not adapted, and the overall code spraying effect is poor.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides a packaging bag mark code spraying system which is used for solving the technical problems that a code spraying area is not confirmed, a later code spraying mark is blocked by a packaging area, a part of code spraying mark is invisible, and the code spraying area and the corresponding code spraying mark proportion are not adjusted.
To achieve the above objective, according to an embodiment of a first aspect of the present invention, a packaging bag identification code spraying system is provided, which includes an identification input end, an image acquisition end, a code spraying management center, and a code spraying execution end;
the code spraying management center comprises a center point confirmation unit, a database, a template matching unit, a code spraying area confirmation unit, a threshold unit and a proportion analysis unit;
the image acquisition end is used for acquiring the whole image of the packaging bag needing identification code spraying and transmitting the acquired whole image of the packaging bag to the code spraying management center;
the center point confirming unit is used for receiving the whole packaging bag image, determining the center point of the whole packaging bag image in an image inscribed circle mode, and transmitting the whole image with the determined center point into the template matching unit;
the template matching unit extracts a preset template from the database, combines and matches the whole image with the preset template through the determined center point, and analyzes and processes the combined and matched whole image to obtain a code spraying area belonging to the whole image;
the code spraying management center receives the input code spraying identification;
the code spraying area confirming unit confirms the code spraying area marked in the integral image, generates an extraction signal, extracts the code spraying mark input by the mark input end, and transmits the extracted code spraying mark and the integral image of the determined code spraying area to the proportion analysis unit;
the proportion analysis unit receives the code spraying identifier and the integral image of the determined code spraying area, obtains a duty ratio parameter according to the overall area duty ratio of the code spraying identifier, compares the duty ratio parameter with a threshold value arranged in the threshold value unit, and judges whether to generate a proportion adjustment signal or a code spraying execution signal according to a comparison result.
Preferably, the database is internally provided with a preset template, a plurality of segmentation areas with equal areas are arranged in the preset template, and an adaptation point is arranged at the central position in the preset template.
Preferably, the specific manner of determining the center point of the overall image of the packaging bag by the center point determining unit is as follows:
acquiring an integral image of the packaging bag, carrying out inscribing circle processing on the integral image of the packaging bag to obtain an inscribing circle belonging to the integral image, acquiring the circle center of the inscribing circle, and marking the circle center of the inscribing circle as the center point of the integral image;
and marking the specific position of the center point in the whole image, and transmitting the whole image marked with the center point into the template matching unit.
Preferably, the specific way for the template matching unit to combine and match the whole image with the preset template is as follows:
combining the central point of the integral image with the adaptation point of the preset template to obtain a combined image to be processed;
acquiring a segmentation area overlapped by the whole image from the combined to-be-processed image, and marking the segmentation area of a circle of periphery overlapped by the whole image as a half-taking area;
dividing the area of the half-taking area into halves according to the edge lines of the inner circle and the outer circle, and dividing the half-taking area into a half-taking inner area and a half-taking outer area;
and removing the half-outer region to obtain a code spraying region belonging to the integral image, marking the determined code spraying region, and transmitting the integral image marked by the code spraying region into a code spraying region confirmation unit.
Preferably, the specific way for the proportion analysis unit to compare the duty ratio parameter with the threshold value set in the threshold value unit is as follows:
the area parameter of the code spraying mark is obtained and marked as MJ k Wherein k represents different code-spraying identifiers;
acquiring the area parameters of the determined code spraying area in the whole image and marking the area parameters as MJ i Wherein i represents different overall images;
by using
Obtaining the duty ratio parameters ZB of different spray code marks k-i And will take up the duty cycle parameter ZB k-i Comparing with a threshold YS set in the threshold unit, wherein the threshold YS is set as a preset value, and when ZB k-i When YS is less than or equal to the YS, generating a code spraying execution signal, transmitting the code spraying execution signal into a code spraying execution end, otherwise, generating a proportion adjustment signal, and transmitting the proportion adjustment signal into an external display end;
an external operator receives a proportion adjustment signal, adjusts the identification size of the code spraying identification, and transmits the optimal proportion to a display end, wherein the optimal proportion=YS×MJ i For the external operator to select.
Preferably, the code spraying executing end performs code spraying processing on the packaging bag corresponding to the whole image according to the received code spraying executing signal, wherein the specific code spraying position is selected by an external operator, and the selected area is limited to the code spraying area determined in the whole image.
Compared with the prior art, the invention has the beneficial effects that:
according to the determined center point, matching and combining the whole image with a preset template to obtain a combined image to be processed, determining a code spraying area of the whole image from the combined image to be processed and a corresponding dividing area in a mode of taking half of an edge dividing area, transmitting the determined code spraying area into a code spraying area confirming unit for confirmation, receiving a code spraying mark according to an extraction signal after confirmation is finished, and adopting the mode of taking half of the edge dividing area to prevent the code spraying area from being blocked by a subsequent packaging area and prevent the condition that part of the code spraying mark is invisible, so that the subsequent code spraying effect is improved;
the method comprises the steps of receiving the code spraying mark and the integral image of the determined code spraying area, obtaining a duty ratio parameter according to the overall area duty ratio of the code spraying mark, comparing the duty ratio parameter with a threshold value set in a threshold value unit, judging whether to generate a proportion adjustment signal or a code spraying execution signal according to a comparison result, and making different countermeasures by an external operator according to different signals, wherein the integral size proportion of the code spraying mark is also adjusted, so that the subsequent integral code spraying effect is improved, and the condition that the code spraying mark is too large or too small is avoided.
Drawings
FIG. 1 is a schematic diagram of a principal frame of the present invention;
FIG. 2 is a schematic plan view showing the combination of the whole image and the preset template.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
Referring to fig. 1, the application provides a packaging bag identification code spraying system, which comprises an identification input end, an image acquisition end, a code spraying management center and a code spraying execution end;
the image acquisition end and the identification input end are electrically connected with the input end of the code spraying management center, and the code spraying management center is electrically connected with the input end of the code spraying execution end;
the code spraying management center comprises a center point confirmation unit, a database, a template matching unit, a code spraying area confirmation unit, a threshold unit and a proportion analysis unit;
the center point confirming unit is electrically connected with the input end of the template matching unit, the template matching unit is in bidirectional connection with the database, the template matching unit is electrically connected with the input end of the code spraying area confirming unit, the code spraying area confirming unit is in bidirectional connection with the proportional analysis unit, and the threshold unit is electrically connected with the input end of the proportional analysis unit;
the image acquisition end is used for acquiring the whole image of the packaging bag needing identification code spraying, and transmitting the acquired external image into the code spraying management center;
the center point confirmation unit in the code spraying management center receives the whole packaging bag image and determines the center point of the whole packaging bag image according to the whole packaging bag image, wherein the specific mode for confirming the center point is as follows:
acquiring an integral image of the packaging bag, carrying out inscribing circle processing on the integral image of the packaging bag to obtain an inscribing circle belonging to the integral image, acquiring the circle center of the inscribing circle, and marking the circle center of the inscribing circle as the center point of the integral image;
and marking the specific position of the center point in the whole image, and transmitting the whole image marked with the center point into the template matching unit.
The database is internally provided with a preset template, the inside of the preset template is provided with a plurality of dividing areas with equal areas, the area parameter of each dividing area is planned by an external operator according to experience, and the central position of the inside of the preset template is provided with an adaptation point (the adaptation point is the central point of the whole group of preset templates and is also positioned at the central position of the preset template);
the template matching unit extracts a preset template from the database, combines and matches the whole image with the preset template through the determined center point, and analyzes and processes the combined image to obtain a code spraying area belonging to the whole image, wherein the specific mode of analyzing and processing is as follows:
combining the central point of the integral image with the adaptation point of the preset template to obtain a combined image to be processed;
the method comprises the steps of obtaining a segmentation area overlapped by an integral image from the combined to-be-processed image, marking the segmentation area of a circle of the periphery overlapped by the integral image as a half-taking area (it can be understood that, referring to fig. 2, after the integral image is combined with a preset template, the integral image is overlapped with a large number of segmentation areas at the moment, marking the segmentation area positioned at the outermost periphery overlapped by the integral image as the half-taking area, wherein the half-taking area is the segmentation area, and the half-taking area is determined for the purpose of determining the code spraying area of the integral image later);
dividing the area of the half-taking area into halves according to the edge lines of the inner circle and the outer circle, and dividing the half-taking area into a half-taking inner area and a half-taking outer area;
removing the half-taking area to obtain a code spraying area belonging to the integral image, marking the determined code spraying area, and transmitting the integral image marked by the code spraying area into a code spraying area confirmation unit (the half-taking area is removed because part of the half-taking area is attached by external pressing equipment when corresponding packaging bags are attached in packaging, so the area can be understood as a packaging area, and if the code spraying mark confirms the code spraying area according to the original integral image, the later code spraying mark is blocked by the packaging area, so that part of the code spraying mark is invisible);
according to the determined center point, the whole image is matched and combined with a preset template to obtain a combined image to be processed, the code spraying area of the whole image is determined according to the mode of taking half of the combined image to be processed and the corresponding dividing area, the determined code spraying area is transmitted into a code spraying area confirming unit to confirm, after confirmation, the code spraying identification is received according to the extraction signal, and the mode of taking half of the edge dividing area is adopted, so that the code spraying area is not blocked by a subsequent packaging area, the condition that part of the code spraying identification is invisible is not caused, and the subsequent code spraying effect is improved.
The code spraying management center receives the input code spraying identification;
the code spraying area confirming unit confirms the code spraying area marked in the integral image, generates an extraction signal, extracts the code spraying mark input by the mark input end, and transmits the extracted code spraying mark and the integral image of the determined code spraying area to the proportion analysis unit;
the proportion analysis unit receives the code spraying identifier and the integral image of the determined code spraying area, obtains a duty ratio parameter according to the overall area duty ratio of the code spraying identifier, compares the duty ratio parameter with a threshold value arranged in the threshold value unit, and judges whether to generate a proportion adjustment signal or a code spraying execution signal according to a comparison result, wherein the specific mode of comparing is as follows:
the area parameter of the code spraying mark is obtained and marked as MJ k Wherein k represents different code-spraying identifiers;
acquiring the area parameters of the determined code spraying area in the whole image and marking the area parameters as MJ i Wherein i represents different overall images;
by using
Obtaining the duty ratio parameters ZB of different spray code marks k-i And will take up the duty cycle parameter ZB k-i Comparing with a threshold YS set in the threshold unit, wherein the threshold YS is set as a preset value, and when ZB k-i When YS is less than or equal to the YS, generating a code spraying execution signal, transmitting the code spraying execution signal into a code spraying execution end, otherwise, generating a proportion adjustment signal, and transmitting the proportion adjustment signal into an external display end;
the external operator receives the proportion adjustmentThe whole signal is used for adjusting the mark size of the code spraying mark and transmitting the optimal proportion into a display end, wherein the optimal proportion=YS×MJ i For the external operator to select.
The threshold unit internally comprises an internal threshold YS, the internal threshold YS is a preset value, and the specific value of the internal threshold YS is drawn by an operator according to experience;
the code spraying executing end performs code spraying processing on the packaging bag corresponding to the whole image according to the received code spraying executing signal, wherein the specific code spraying position is selected by an external operator, and the selected area is limited to the code spraying area determined in the whole image.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the invention is as follows: the method comprises the steps of acquiring a packaging bag integral image needing identification code spraying in advance, transmitting the acquired external image into a code spraying management center, receiving the packaging bag integral image by a central point confirmation unit, performing inscribing circle processing on the packaging bag integral image to obtain an inscribing circle belonging to the integral image, and determining a central point of the integral image through the obtained circle center;
according to the determined center point, matching and combining the whole image with a preset template to obtain a combined image to be processed, determining a code spraying area of the whole image from the combined image to be processed and a corresponding dividing area in a mode of taking half of an edge dividing area, transmitting the determined code spraying area into a code spraying area confirming unit for confirmation, receiving a code spraying mark according to an extraction signal after confirmation is finished, and adopting the mode of taking half of the edge dividing area to prevent the code spraying area from being blocked by a subsequent packaging area and prevent the condition that part of the code spraying mark is invisible, so that the subsequent code spraying effect is improved;
the method comprises the steps of receiving the code spraying mark and the integral image of the determined code spraying area, obtaining a duty ratio parameter according to the overall area duty ratio of the code spraying mark, comparing the duty ratio parameter with a threshold value set in a threshold value unit, judging whether to generate a proportion adjustment signal or a code spraying execution signal according to a comparison result, and making different countermeasures by an external operator according to different signals, wherein the integral size proportion of the code spraying mark is also adjusted, so that the subsequent integral code spraying effect is improved, and the condition that the code spraying mark is too large or too small is avoided.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (6)
1. The packaging bag identification code spraying system is characterized by comprising an identification input end, an image acquisition end, a code spraying management center and a code spraying execution end;
the code spraying management center comprises a center point confirmation unit, a database, a template matching unit, a code spraying area confirmation unit, a threshold unit and a proportion analysis unit;
the image acquisition end is used for acquiring the whole image of the packaging bag needing identification code spraying and transmitting the acquired whole image of the packaging bag to the code spraying management center;
the center point confirming unit is used for receiving the whole packaging bag image, determining the center point of the whole packaging bag image in an image inscribed circle mode, and transmitting the whole image with the determined center point into the template matching unit;
the template matching unit extracts a preset template from the database, combines and matches the whole image with the preset template through the determined center point, and analyzes and processes the combined and matched whole image to obtain a code spraying area belonging to the whole image;
the code spraying management center receives the input code spraying identification;
the code spraying area confirming unit confirms the code spraying area marked in the integral image, generates an extraction signal, extracts the code spraying mark input by the mark input end, and transmits the extracted code spraying mark and the integral image of the determined code spraying area to the proportion analysis unit;
the proportion analysis unit receives the code spraying identifier and the integral image of the determined code spraying area, obtains a duty ratio parameter according to the overall area duty ratio of the code spraying identifier, compares the duty ratio parameter with a threshold value arranged in the threshold value unit, and judges whether to generate a proportion adjustment signal or a code spraying execution signal according to a comparison result.
2. The packaging bag identification code spraying system according to claim 1, wherein a preset template is arranged in the database, a plurality of dividing areas with equal areas are arranged in the preset template, and an adaptation point is arranged in the center of the inside of the preset template.
3. The packaging bag identification code spraying system according to claim 2, wherein the center point confirmation unit is configured to determine the center point of the overall image of the packaging bag in the following specific manner:
acquiring an integral image of the packaging bag, carrying out inscribing circle processing on the integral image of the packaging bag to obtain an inscribing circle belonging to the integral image, acquiring the circle center of the inscribing circle, and marking the circle center of the inscribing circle as the center point of the integral image;
and marking the specific position of the center point in the whole image, and transmitting the whole image marked with the center point into the template matching unit.
4. The packaging bag identification code spraying system according to claim 3, wherein the template matching unit performs the specific mode of combining and matching the whole image with a preset template:
combining the central point of the integral image with the adaptation point of the preset template to obtain a combined image to be processed;
acquiring a segmentation area overlapped by the whole image from the combined to-be-processed image, and marking the segmentation area of a circle of periphery overlapped by the whole image as a half-taking area;
dividing the area of the half-taking area into halves according to the edge lines of the inner circle and the outer circle, and dividing the half-taking area into a half-taking inner area and a half-taking outer area;
and removing the half-outer region to obtain a code spraying region belonging to the integral image, marking the determined code spraying region, and transmitting the integral image marked by the code spraying region into a code spraying region confirmation unit.
5. The packaging bag identification code spraying system according to claim 4, wherein the specific way for the proportion analysis unit to compare the duty ratio parameter with the threshold value set in the threshold value unit is as follows:
the area parameter of the code spraying mark is obtained and marked as MJ k Wherein k represents different code-spraying identifiers;
acquiring the area parameters of the determined code spraying area in the whole image and marking the area parameters as MJ i Wherein i represents different overall images;
by using
Obtaining the duty ratio parameters ZB of different spray code marks k-i And will take up the duty cycle parameter ZB k-i Comparing with a threshold YS set in the threshold unit, wherein the threshold YS is set as a preset value, and when ZB k-i When YS is less than or equal to the YS, generating a code spraying execution signal, transmitting the code spraying execution signal into a code spraying execution end, otherwise, generating a proportion adjustment signal, and transmitting the proportion adjustment signal into an external display end;
an external operator receives a proportion adjustment signal, adjusts the identification size of the code spraying identification, and transmits the optimal proportion to a display end, wherein the optimal proportion=YS×MJ i For the external operator to select.
6. The system according to claim 5, wherein the code spraying executing end performs code spraying processing on the packaging bag corresponding to the whole image according to the received code spraying executing signal, wherein the specific code spraying position is selected by an external operator, and the selected area is limited to the code spraying area determined in the whole image.
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| CN105023018A (en) * | 2015-08-13 | 2015-11-04 | 武汉楚锐自动化控制设备有限公司 | Jet code detection method and system |
| CN107578051A (en) * | 2017-09-14 | 2018-01-12 | 西华大学 | A kind of detection and recognition methods of ring-type coded markings point |
| CN109724990A (en) * | 2019-01-08 | 2019-05-07 | 上海大学 | The quick positioning and detection method in coding region in a kind of packing box label |
| CN112557412A (en) * | 2020-12-25 | 2021-03-26 | 无锡歌迪亚自动化科技有限公司 | Automatic code-spraying printing defect detection system and detection method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023018A (en) * | 2015-08-13 | 2015-11-04 | 武汉楚锐自动化控制设备有限公司 | Jet code detection method and system |
| CN107578051A (en) * | 2017-09-14 | 2018-01-12 | 西华大学 | A kind of detection and recognition methods of ring-type coded markings point |
| CN109724990A (en) * | 2019-01-08 | 2019-05-07 | 上海大学 | The quick positioning and detection method in coding region in a kind of packing box label |
| CN112557412A (en) * | 2020-12-25 | 2021-03-26 | 无锡歌迪亚自动化科技有限公司 | Automatic code-spraying printing defect detection system and detection method |
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