CN115906909A - Code spraying system for packaging bag identification - Google Patents
Code spraying system for packaging bag identification Download PDFInfo
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- CN115906909A CN115906909A CN202310011732.XA CN202310011732A CN115906909A CN 115906909 A CN115906909 A CN 115906909A CN 202310011732 A CN202310011732 A CN 202310011732A CN 115906909 A CN115906909 A CN 115906909A
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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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- 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
Abstract
The invention discloses a packaging bag mark code spraying system, which relates to the technical field of code spraying of packaging bags and solves the technical problems that a code spraying area is not confirmed, a code spraying mark at the later stage is blocked by a packaging area, part of the code spraying mark is invisible, and the code spraying area and the corresponding code spraying mark proportion are not adjusted.
Description
Technical Field
The invention belongs to the technical field of code spraying of packaging bags, and particularly relates to a code spraying system for packaging bag identification.
Background
The packaging bag is a bag for packaging various articles, so that goods are convenient to transport and easy to store in a production flow process, the packaging bag is widely applied to daily life and industrial production, actual numbers show that 80% of used plastic bags are finally transported to a garbage piling field area for treatment as common garbage, and only seven percent of plastic is recycled.
The invention with patent publication number CN105966063B provides a code spraying method, which belongs to the field of parcel and package building, and comprises the following steps: the code spraying machine acquires address data of the constructed packet; associating the address data with the obtained graphical identification code; code spraying data are generated according to the address data and the graphic identification code associated with the address data, so that code spraying is carried out 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 directly spray-print the mutually-associated address data and the patterns corresponding to the graphic identification codes on the surface of the packaging bag for packaging the packages, so that the efficiency is higher, the preparation time of the packaging bag in the package building process is greatly reduced, and the progress of package building work is effectively improved.
In the process of processing and spraying the code, the operating personnel controls the code spraying equipment according to the determined code spraying area, and directly sprays the code spraying mark corresponding to the code spraying area, but the code spraying mode still has the following defects in the specific operation process and needs to be improved:
1. the code spraying area is not confirmed, so that the code spraying identification is blocked by the packaging area at the later stage, and part of the code spraying identification is invisible;
2. the code spraying area and the corresponding code spraying identification proportion are not adjusted, so that the proportion of part of code spraying identifications and the corresponding code spraying area is not adapted, and the overall code spraying effect is poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art; therefore, the invention provides a packaging bag mark code spraying system which is used for solving the technical problems that code spraying marks are blocked by a packaging area at the later stage due to the fact that a code spraying area is not confirmed, part of the code spraying marks are invisible, and the code spraying area and the corresponding code spraying mark proportion are not adjusted.
In order to achieve the above object, an embodiment according to a first aspect of the present invention provides a system for identifying and spraying a code on a packaging bag, including a label input end, an image obtaining end, a code spraying management center, and a code spraying execution end;
the code spraying management center comprises a central point confirmation unit, a database, a template matching unit, a code spraying area confirmation unit, a threshold value 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 obtained whole image of the packaging bag to the code spraying management center;
the central point confirming unit receives the whole image of the packaging bag, confirms the central point of the whole image of the packaging bag in a mode of inscribed circle of the image, and transmits the whole image after confirming the central point to the template matching unit;
the template matching unit extracts a preset template from the database, combines and matches the integral image and the preset template through the determined central point, and analyzes and processes the integral image and the preset template to obtain a code spraying area belonging to the integral image;
the identification input end is used for inputting the code spraying identification, wherein the code spraying management center receives the input code spraying identification;
the code spraying area confirmation unit confirms the code spraying areas marked in the whole image, generates an extraction signal, extracts the code spraying identification input by the identification input end, and transmits the extracted code spraying identification and the whole image of the determined code spraying area to the proportion analysis unit;
and the proportion analysis unit receives the code spraying identification and the whole image of the determined code spraying area, obtains a proportion parameter according to the total area proportion of the code spraying identification, compares the proportion parameter with a threshold value arranged in the threshold value unit, and judges whether a proportion adjusting signal or a code spraying execution signal is generated according to a comparison result.
Preferably, the database is internally provided with a preset template, the preset template is internally provided with a plurality of partition areas with the same area, and the center of the inside of the preset template is provided with an adaptation point.
Preferably, the central point confirming unit determines the central point of the whole image of the packaging bag in a specific manner that:
acquiring an integral image of the packaging bag, performing inscribed circle processing on the integral image of the packaging bag to obtain an inscribed circle belonging to the integral image, acquiring the center of the inscribed circle, and marking the center of the inscribed circle as the center point of the integral image;
and marking the specific position of the central point in the whole image, and transmitting the whole image with the marked central point to the template matching unit.
Preferably, the template matching unit performs a specific manner of combining and matching the whole image and a preset template, and the specific manner is as follows:
combining the central point of the whole 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 merged image to be processed, and marking the segmentation area of the peripheral circle overlapped by the whole image as a half-taking area;
dividing the area of the semi-taking region into half according to the edge lines of the inner circle and the outer circle, and dividing the semi-taking region into a semi-taking inner region and a semi-taking outer region;
and removing the half outer area to obtain a code spraying area belonging to the whole image, marking the determined code spraying area, and transmitting the whole image after the code spraying area is marked into a code spraying area confirmation unit.
Preferably, the specific way of comparing the proportion parameter with the threshold value set in the threshold value unit by the proportion analysis unit is as follows:
acquiring area parameters of code spraying identification, and marking the area parameters as MJ k Wherein k represents different code spraying marks;
obtaining the area parameters of the code spraying area determined in the whole image, and marking the area parameters as MJ i Wherein i represents a different overall image;
by using
Obtain different code spraying marksThe percentage of difference parameter ZB k-i And the ratio parameter ZB k-i Comparing the ZB with an internal threshold YS in a threshold unit, wherein the internal threshold YS is a preset value, and when the ZB is k-i When the number of the code spraying execution signals is less than or equal to YS, code spraying execution signals are generated and transmitted to a code spraying execution end, otherwise, proportion adjusting signals are generated and transmitted to an external display end;
an external operator receives the proportion adjusting signal, adjusts the size of the identification of the code spraying identification, and transmits the optimal proportion = YSXMJ into the display end i For selection by an external operator.
Preferably, the code spraying execution end performs code spraying processing on the packaging bag corresponding to the whole image according to the received code spraying execution 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 central point, the integral image is matched and combined with a preset template to obtain a combined image to be processed, the code spraying area of the integral image is determined according to the mode of halving the edge segmentation area from the combined image to be processed and the corresponding segmentation area, the determined code spraying area is transmitted to a code spraying area confirmation unit for confirmation, after the confirmation is finished, the code spraying identification is received according to the extraction signal, the mode of halving the edge segmentation area is adopted, so that the code spraying area cannot be shielded by a subsequent packaging area, the condition that part of the code spraying identification is not visible is avoided, and the subsequent code spraying effect is improved;
receive the whole image that spouts the sign indicating number and confirm to spout the sign indicating number district, and obtain the proportion parameter according to the total area proportion that spouts the sign indicating number, and compare the proportion parameter with the threshold value that establishes in the threshold value unit, according to the comparison result, judge whether to generate the proportion adjustment signal or spout a yard execution signal, outside operating personnel can make different counter measures according to the signal of difference, also adjust the whole size proportion that spouts the sign indicating number, promote subsequent whole and spout a yard effect, can not cause the condition of spouting sign indicating number too big or undersize.
Drawings
FIG. 1 is a schematic diagram of the principle framework of the present invention;
FIG. 2 is a schematic plan view of the combination of the whole image and the default template according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present application provides a package label code spraying system, which includes a label 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 both 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 central point confirmation unit, a database, a template matching unit, a code spraying area confirmation unit, a threshold value unit and a proportion analysis unit;
the central 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 proportion analysis unit, and the threshold unit is electrically connected with the input end of the 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 external image to the code spraying management center;
spout the inside central point of code management center and confirm the unit, receive wrapping bag whole image, confirm the central point of wrapping bag whole image according to wrapping bag whole image, wherein carry out the concrete mode that the central point was confirmed and be:
acquiring an integral image of the packaging bag, performing inscribed circle processing on the integral image of the packaging bag to obtain an inscribed circle belonging to the integral image, acquiring the circle center of the inscribed circle, and marking the circle center of the inscribed circle as the center point of the integral image;
and marking the specific position of the central point on the whole image, and transmitting the whole image with the marked central point to the template matching unit.
The database is internally provided with a preset template, a plurality of partition areas with the same area are arranged in the preset template, the area parameter of each partition area is drawn up by an external operator according to experience, and an adaptation point is arranged at the central position in the preset template (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 central point, and analyzes and processes 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 whole image with the adaptive point of the preset template to obtain a combined image to be processed;
acquiring a segmentation region overlapped by an integral image from the merged image to be processed, and marking a circle of segmentation region at the periphery overlapped by the integral image as a half-taking region (as can be understood, referring to fig. 2, after the integral image is merged with a preset template, the integral image at the moment is overlapped with a large number of segmentation regions, the segmentation region at the outermost periphery overlapped by the integral image is marked as the half-taking region, the half-taking region is the segmentation region, and therefore the half-taking region is determined for determining a code spraying region of the integral image subsequently);
dividing the area of the semi-taking region into half according to the edge lines of the inner circle and the outer circle, and dividing the semi-taking region into a semi-taking inner region and a semi-taking outer region;
removing the half-out area to obtain a code spraying area belonging to the whole image, marking the determined code spraying area, and transmitting the whole image after the code spraying area is marked into a code spraying area confirmation unit (so the half-out area is removed, because the corresponding packaging bag is packaged and attached, part of the half-out area is attached by external pressing equipment, the area can be understood as a packaging area, if the code spraying mark confirms the code spraying area according to the original whole image, the code spraying mark at the later stage is blocked by the packaging area, and part of the code spraying mark is not visible);
according to the determined central point, the whole image and the preset template are matched and combined to obtain a combined image to be processed, the combined image to be processed and the corresponding segmentation area are determined according to a mode of halving the edge segmentation area, the code spraying area of the whole image is determined, the determined code spraying area is transmitted to a code spraying area confirmation unit for confirmation, after confirmation is completed, the code spraying identification is received according to an extraction signal, the mode of halving the edge segmentation area is adopted, the code spraying area can not be shielded by a subsequent packaging area, the condition that part of the code spraying identification is not visible is avoided, and the subsequent code spraying effect is improved.
The identification input end is used for inputting the code spraying identification, wherein the code spraying management center receives the input code spraying identification;
the code spraying area confirmation unit confirms the code spraying areas marked in the whole image, generates an extraction signal, extracts the code spraying identification input by the identification input end, and transmits the extracted code spraying identification and the whole image of the determined code spraying area to the proportion analysis unit;
the proportion analysis unit receives the code spraying identification and the determined integral image of the code spraying area, obtains a proportion parameter according to the total area proportion of the code spraying identification, compares the proportion parameter with a threshold value arranged in a threshold value unit, and judges whether a proportion adjusting signal or a code spraying execution signal is generated or not according to a comparison result, wherein the specific mode of comparison is as follows:
acquiring area parameters of code spraying identification, and marking the area parameters as MJ k Wherein k represents different code-spurtsIdentifying;
obtaining the area parameters of the code spraying area determined in the whole image, and marking the area parameters as MJ i Wherein i represents a different overall image;
by using
Obtaining the ratio parameter ZB of different code spraying marks k-i And the ratio parameter ZB k-i Comparing with a threshold value YS arranged in a threshold value unit, wherein the threshold value YS is a preset value, and when ZB is k-i When the YS is less than or equal to YS, generating a code spraying execution signal, transmitting the code spraying execution signal to a code spraying execution end, otherwise, generating a proportion adjustment signal, and transmitting the proportion adjustment signal to an external display end;
an external operator receives the proportion adjusting signal, adjusts the size of the mark of the code spraying mark and transmits the optimal proportion = YSXMJ into a display end i For selection by an external operator.
The threshold unit internally comprises an internal threshold YS which is a preset value, and the specific value of the internal threshold YS is drawn up by an operator according to experience;
and the code spraying execution end performs code spraying processing on the packaging bag corresponding to the integral image according to the received code spraying execution signal, wherein the specific code spraying position is selected by an external operator, and the selected area is only limited to the code spraying area determined in the integral image.
Part of data in the formula is obtained by removing dimension and taking the value to calculate, and the formula is obtained by simulating a large amount of collected data through software and is closest to a real situation; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or obtained through simulation of a large amount of data.
The working principle of the invention is as follows: the method comprises the steps that an integral image of a packaging bag needing identification code spraying is obtained in advance, the obtained external image is transmitted to a code spraying management center, a central point confirmation unit receives the integral image of the packaging bag, inscribed circle processing is conducted on the integral image of the packaging bag to obtain an inscribed circle belonging to the integral image, and the central point of the integral image is determined through the obtained circle center;
according to the determined central point, the integral image is matched and combined with a preset template to obtain a combined image to be processed, the code spraying area of the integral image is determined according to the mode of halving the edge segmentation area from the combined image to be processed and the corresponding segmentation area, the determined code spraying area is transmitted to a code spraying area confirmation unit for confirmation, after the confirmation is finished, the code spraying identification is received according to the extraction signal, the mode of halving the edge segmentation area is adopted, so that the code spraying area cannot be shielded by a subsequent packaging area, the condition that part of the code spraying identification is not visible is avoided, and the subsequent code spraying effect is improved;
the code spraying identification and the determined integral image of the code spraying area are received, the proportion parameters are obtained according to the total area proportion of the code spraying identification, the proportion parameters are compared with the threshold value arranged in the threshold value unit, whether a proportion adjusting signal is generated or a code spraying execution signal is judged according to the comparison result, external operators can make different countermeasures according to different signals, the integral size proportion of the code spraying identification is also adjusted, the subsequent integral code spraying effect is improved, and the condition that the code spraying identification is too large or too small can not be caused.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. A 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 central point confirmation unit, a database, a template matching unit, a code spraying area confirmation unit, a threshold value 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 obtained whole image of the packaging bag to the code spraying management center;
the central point confirming unit receives the whole image of the packaging bag, confirms the central point of the whole image of the packaging bag in a mode of inscribed circle of the image, and transmits the whole image after confirming the central point to 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 central point, and analyzes and processes the whole image and the preset template to obtain a code spraying area belonging to the whole image;
the identification input end is used for inputting the code spraying identification, wherein the code spraying management center receives the input code spraying identification;
the code spraying area confirmation unit confirms the code spraying areas marked in the whole image, generates an extraction signal, extracts the code spraying identification input by the identification input end, and transmits the extracted code spraying identification and the whole image of the determined code spraying area to the proportion analysis unit;
and the proportion analysis unit receives the code spraying identification and the whole image of the determined code spraying area, obtains a proportion parameter according to the total area proportion of the code spraying identification, compares the proportion parameter with a threshold value arranged in the threshold value unit, and judges whether a proportion adjusting signal or a code spraying execution signal is generated according to a comparison result.
2. The system according to claim 1, wherein the database is internally provided with a preset template, the preset template is internally provided with a plurality of partitioned areas with equal areas, and an adaptive point is arranged at the center of the preset template.
3. The system according to claim 2, wherein the central point confirmation unit determines the central point of the overall image of the packaging bag by:
acquiring an integral image of the packaging bag, performing inscribed circle processing on the integral image of the packaging bag to obtain an inscribed circle belonging to the integral image, acquiring the center of the inscribed circle, and marking the center of the inscribed circle as the center point of the integral image;
and marking the specific position of the central point on the whole image, and transmitting the whole image with the marked central point to the template matching unit.
4. The system according to claim 3, wherein the template matching unit combines and matches the entire image with a preset template in a specific manner:
combining the central point of the whole image with the adaptation point of the preset template to obtain a combined image to be processed;
acquiring a segmentation area overlapped by the integral image from the merged image to be processed, and marking the segmentation area of the peripheral circle overlapped by the integral image as a half-taking area;
dividing the area of the half-taking area into half 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 area to obtain a code spraying area belonging to the whole image, marking the determined code spraying area, and transmitting the whole image after the code spraying area is marked into a code spraying area confirmation unit.
5. The system according to claim 4, wherein the proportion analysis unit compares the proportion parameter with a threshold value set in the threshold value unit in a specific manner:
acquiring area parameters of code spraying identification, and marking the area parameters as MJ k Wherein k represents different code spraying marks;
acquiring the area parameter of the determined code spraying area in the whole image, and marking the area parameter as MJ i Wherein i represents a different overall image;
by using
Obtaining the proportion parameter ZB of different code spraying marks k-i And the ratio parameter ZB k-i Comparing with a threshold value YS arranged in a threshold value unit, wherein the threshold value YS is a preset value, and when ZB is k-i When the YS is less than or equal to YS, generating a code spraying execution signal, transmitting the code spraying execution signal to a code spraying execution end, otherwise, generating a proportion adjustment signal, and transmitting the proportion adjustment signal to an external display end;
an external operator receives the proportion adjusting signal, adjusts the size of the mark of the code spraying mark and transmits the optimal proportion = YSXMJ into a display end i For selection by an external operator.
6. The packaging bag identification code-spraying system according to claim 5, wherein the code-spraying execution end performs code-spraying processing on the packaging bag corresponding to the whole image according to the received code-spraying execution signal, wherein a 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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| 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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| 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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