CN110782599A - Commodity identification method for self-service collection, self-service collection device and system - Google Patents
Commodity identification method for self-service collection, self-service collection device and system Download PDFInfo
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- CN110782599A CN110782599A CN201910979270.4A CN201910979270A CN110782599A CN 110782599 A CN110782599 A CN 110782599A CN 201910979270 A CN201910979270 A CN 201910979270A CN 110782599 A CN110782599 A CN 110782599A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
- G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
- G07G1/0054—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader with control of supplementary check-parameters, e.g. weight or number of articles
- G07G1/0072—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader with control of supplementary check-parameters, e.g. weight or number of articles with means for detecting the weight of the article of which the code is read, for the verification of the registration
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G3/00—Alarm indicators, e.g. bells
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Abstract
The invention discloses a commodity identification method for self-service collection, a self-service collection device and a self-service collection system, wherein a commodity image is acquired from multiple angles, and a commodity bar code is identified based on the commodity image; respectively judging suspected commodity codes based on the commodity image, the commodity bar code and the commodity weight; when the judgment results are consistent, taking the suspected commodity code which is judged to be consistent as the final commodity code; if one judgment result is inconsistent with the other two judgment results, the suspected goods codes judged by the other two judgment results are determined to be the final goods codes when the weighted sum of the other two judgment results exceeds the threshold value. Based on the scheme provided by the invention, a code scanning mode is not adopted, but the commodity image is obtained through shooting to separate and identify the commodity bar code, and a customer only needs to place the commodity on the object placing table without other operations, so that the difficulty of self-service settlement of the user is reduced; the commodity code is judged by combining the commodity image, the commodity bar code and the commodity weight, so that the judgment accuracy of the commodity code is improved.
Description
Technical Field
The invention belongs to the technical field of commodity identification, and particularly relates to a commodity identification method for self-service collection, a self-service collection device and a self-service collection system.
Background
In recent years, a large number of cash registers in a market use unmanned self-service technology, namely, a cashier is not needed, a customer enters commodities and uses electronic payment in a cashless mode to finally complete a purchasing process, so that the customer queues less, the burden of a merchant waiter is reduced, and the settlement rate is also improved.
However, in practical applications, a customer is not a professional attendant, is unfamiliar with the operation of the self-service cash register, often makes mistakes in links such as code scanning of goods and the like, and still needs to be guided by a worker on one side, so that the customer is unwilling to self-service checkout, and idle waste of the self-service cash register is caused.
Disclosure of Invention
The invention aims to provide a commodity identification method for self-service collection, a self-service collection device and a system, which simplify the operation of self-service collection, reduce the operation difficulty of self-service collection and solve the technical problem that customers do not want to use a self-service collection machine to carry out self-service payment.
In order to solve the technical problems, the invention adopts the following technical scheme:
a commodity identification method for self-service collection is provided, which comprises the following steps: acquiring a commodity image from multiple angles, and identifying a commodity bar code based on the commodity image; and, obtaining the weight of the goods; respectively judging suspected commodity codes based on the commodity image, the commodity bar code and the commodity weight; when the judgment results are consistent, taking the suspected commodity code which is judged to be consistent as the final commodity code; if one judgment result is inconsistent with the other two judgment results, the suspected goods codes judged by the other two judgment results are determined to be the final goods codes when the weighted sum of the other two judgment results exceeds the threshold value.
A self-service money receiving device is provided, which comprises: the camera module is used for acquiring commodity images from multiple angles; the commodity bar code identification module is used for identifying a commodity bar code based on a commodity image; the object placing table is used for placing commodities and acquiring the weight of the commodities; the commodity code judging module is used for respectively judging suspected commodity codes based on the commodity images, the commodity bar codes and the commodity weight; the final commodity code determining module is used for taking the suspected commodity code which is judged to be consistent as the final commodity code when the judgment results are consistent; if one judgment result is inconsistent with the other two judgment results, the suspected goods codes judged by the other two judgment results are determined to be the final goods codes when the weighted sum of the other two judgment results exceeds the threshold value.
A self-service checkout system is provided, comprising: the self-service money receiving device and the cloud abnormal transaction recording module are arranged in the cloud abnormal transaction processing system; and when the three judgment results are inconsistent or one judgment result is inconsistent with the other two judgment results, the self-service money receiving device acquires a face image and uploads the face image and the commodity image to the cloud abnormal transaction recording module.
Compared with the prior art, the invention has the advantages and positive effects that: in the self-service money collection commodity identification method, the self-service money collection device and the self-service money collection system, commodity images are obtained from a plurality of angles such as the upper side, the side and the lower side of a commodity, commodity bar codes are separated and identified according to the commodity images, the weight of the commodity is obtained, suspected commodity codes are judged according to the commodity images, the commodity bar codes and the weight of the commodity respectively, when the three judgments are consistent, the suspected commodity codes which are judged to be consistent are used as final commodity codes, and then the commodity prices can be determined according to the final commodity codes to realize settlement; when only two judgment results are consistent, calculating the weighted sum of the two judgment results, and when the weighted sum exceeds a threshold value, taking the two judged suspected product codes as final product codes, and then determining the product price according to the final product codes to realize settlement; if the three judgments are inconsistent, alarm information and code scanning prompt information are sent out on the display module to prompt the intervention of workers and guide the customer to perform code scanning settlement. Based on the commodity identification mode of self-service collection provided by the invention, a code scanning mode is not adopted, but the commodity image is obtained through shooting to separate and identify the commodity bar code, and a customer only needs to place the commodity on the object placing table without other operations, so that the difficulty of self-service settlement of the user is reduced; the commodity code is judged by combining the commodity image, the commodity bar code and the commodity weight, so that the judgment accuracy of the commodity code is improved, and the technical problem that a customer is unwilling to use a self-service cash register to carry out self-service payment is solved.
Furthermore, the commodity images are obtained from a plurality of angles such as the upper side, the side and the lower side of the commodity, no matter which direction the commodity bar code is placed, the commodity bar code can be separated and identified through the commodity image, a customer can not consider the angle and the direction of the commodity placed on the object placing table, and the operation difficulty of self-service settlement of the customer is reduced.
Further, when one judgment result is inconsistent with the other two judgment results, for example, the result of judging the suspected product code according to the product bar code is inaccurate due to gift binding, or the result of judging the suspected product code according to the product weight is inaccurate due to more products with similar weights, the final product code can be determined in a manner that the weighted sum of the two judgment results is compared with a threshold value, so that the determination manner of the product code is more flexible and stable.
Furthermore, a monitoring mechanism for self-service collection of money is provided, when the three judgment results are inconsistent, the display module sends alarm information and code scanning prompt information to remind a customer to use a code scanning settlement mode, and malicious settlement behaviors are avoided.
Furthermore, an auxiliary judgment mechanism of suspected abnormal transactions is started, and when one judgment result is inconsistent with the other two judgment results or the three judgment results are inconsistent, abnormal transaction information is reserved in a mode of recording the face image and the commodity image, so that a merchant can conveniently identify whether the artificial cheating action exists.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a flow chart of a merchandise identification method for self-service collection according to the present invention;
FIG. 2 is a diagram of a self-service cash register according to the present invention;
fig. 3 is a system architecture diagram of the self-service checkout system according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The commodity identification method for self-service collection is realized by combining a self-service collection device shown in fig. 2, wherein the self-service collection device comprises a camera module 21, a commodity bar code identification module 22, a storage table 23, a commodity code judgment module 24 and a final commodity code determination module 25, wherein the commodity bar code identification module 22, the commodity code judgment module 24 and the final commodity code determination module 25 are usually main control modules of a host or an upper computer; the camera module 21 comprises a plurality of camera devices which are respectively arranged on the side, the upper side, the lower side and other directions of the object placing table 23; based on the self-service money collection device, the commodity identification method for self-service money collection provided by the invention, as shown in fig. 1, comprises the following steps:
step S11: an image of the article is acquired from a plurality of angles.
The commodity images at a plurality of angles are acquired from the upper side, both sides, and lower side of the storage table 23.
Step S12: the commodity barcode is identified based on the commodity image.
The commodity bar code may be located on any side surface of the commodity, and in the process of scanning and checkout, the commodity needs to be turned over to find the commodity bar code, and then the commodity bar code is aligned with the scanning device or the scanning device is aligned with the commodity bar code to scan, so as to determine commodity information based on the commodity bar code, including but not limited to the commodity type, the commodity price and the like.
In the application of the invention, a customer only needs to place a commodity on the object placing table 23 without paying attention to the direction of the commodity bar code, because the camera module 21 acquires multi-angle commodity images from the upper part, the side and the lower part of the commodity respectively, the commodity bar code can be separated from the commodity image in the corresponding direction and recognized as being positioned in any direction, and the commodity bar code is aligned to the scanning device without turning over the commodity for the user, thereby reducing the operation difficulty of self-service account settlement of the user.
Step S13: and acquiring the weight of the commodity.
The object placing table is provided with weighing equipment such as a pressure sensor and an electronic scale, and the weighing equipment is used for weighing the commodities and acquiring the weight information of the commodities.
Step S14: and respectively judging the suspected commodity codes based on the commodity images, the commodity bar codes and the commodity weight.
The goods code is a code for managing goods inside a shop, and is a number or a mixed code of a number and a letter.
In the present application, a suspected product code is determined from three aspects, 1, based on a product image: carrying out picture identification according to the commodity image, and judging a suspected commodity so as to determine a first suspected commodity code; 2. based on the commodity bar code: determining a second suspected commodity code according to a commodity bar code which is separated and identified from one of a plurality of commodity images shot from multiple angles; 3. based on the weight of the goods: and determining a third suspected code according to the weight of the commodity.
Step S15: and when the judgment results are consistent, taking the suspected product code which is judged to be consistent as the final product code.
When the first suspected product code, the second suspected product code and the third suspected product code are consistent, the suspected product code is determined as a final product code, and information such as the type and price of the product can be acquired based on the final product code for settlement.
The invention collects the commodity information to determine the commodity code by integrating the factors of the multi-angle commodity image, the commodity bar code, the commodity weight and the like, so that the judgment of the commodity code is more accurate, and the difficulty of self-help collection of customers is reduced.
Step S16: if one judgment result is inconsistent with the other two judgment results, when the weighted sum of the other two judgment results exceeds a threshold value, the other two judged suspected product codes are determined as the final product code.
When a gift is bound on the commodity, the first suspected commodity code cannot be accurately judged according to the commodity image; when the outer package wrinkles of the commodity are serious or the commodity code is shielded by the gift or other propaganda single pages and other articles, so that the identification of the commodity bar code is not clear, the second suspected commodity code cannot be accurately judged through the commodity bar code; when the weight of the commodity is too light or the commodity with similar weight exists, the third suspected commodity code cannot be accurately judged according to the weight of the commodity; therefore, in the present application, when there is an incomplete match between the three suspected product codes, a weighting and judging method is proposed, when the two suspected product codes match, when the weighted sum of the two suspected product codes is higher than a threshold, the two identical suspected product codes are determined as the final product code, and when the weighted sum of the two suspected product codes is lower than the threshold, the proposal is issued in a display or audible and visual alarm manner, and the customer is prompted to continue settlement by a code scanning method.
For example, with a commodity image as a factor 1, a commodity barcode as a factor 2, and a commodity weight as a factor 3, when the identification of the commodity barcode is not clear, and the second suspected commodity code is inconsistent with the first suspected commodity code and the third suspected commodity code, calculating the weighted sum of the factor 1 and the factor 3 = the similarity of the factor 1 + the similarity of the factor 3, judging whether the value of the weighted sum is greater than a set threshold value, and when the value is greater than the threshold value, determining the first suspected commodity code and the third suspected commodity code as final commodity codes; here, the weight of the factor is related to the importance of the factor itself, and is generally limited to the product barcode > product image or product weight, the weight setting of the factor 2 is the largest, and the weight settings of the factors 1 and 3 are smaller. And if the weighted sum is lower than the threshold value, sending alarm information and code scanning prompt information.
When the two suspected commodity codes are judged to be consistent, the weighting is calculated, and the final commodity code is determined, the face image is obtained through the camera module 21, the face image and the commodity image are uploaded to the cloud abnormal transaction recording module, and the face image and the commodity image are recorded as cloud abnormal transaction information so as to be conveniently checked manually to identify whether cheating behaviors exist.
If the three suspected commodity codes are not consistent, the face image is also acquired through the camera module 21, the self-service money receiving device uploads the face image and the commodity image to the cloud abnormal transaction recording module, and the face image and the commodity image are recorded as cloud abnormal transaction information so as to be conveniently checked manually to identify whether cheating behaviors exist or not; and meanwhile, alarm information and code scanning prompt information are sent out to prompt a customer to continue settlement in a code scanning mode, so that malicious settlement behaviors are avoided.
According to the invention, the commodity images are obtained from a plurality of angles such as the upper side, the side and the lower side of the commodity, and no matter which direction the commodity bar code is placed, the commodity bar code can be separated and identified through the commodity image, so that a customer can do not consider the angle and the direction of the commodity placed on the object placing table, and the operation difficulty of self-service settlement of the customer is reduced.
After the final product code is determined, information such as the product price is determined from the final product code and used for settlement, and on the other hand, step S17: the manipulator is controlled to push the commodity from the object placing table to the shopping bag of the packaging table and then return to the initial position.
As shown in fig. 2, a commodity transfer device 26 is provided at the side of the article placing table 23, a commodity whose final commodity code is determined on the article placing table is pushed to a packing table 27 below the article placing table 23 by a manipulator 261, the packing table 27 is provided with a shopping bag hook, the manipulator 261 pushes the settled commodity to the upper side of the shopping bag, and the commodity falls into the shopping bag by gravity.
A soft buffer material is provided under the shopping bag of the packing table 27 to prevent the damage of the commodity due to the impact caused by the free fall. Compared with the mode of conveying belts in the conventional self-service money collection device or the mode of loading commodities into shopping bags by a customer, the self-service money collection device saves the volume occupied by the conveying belts, simplifies the operation steps of the customer and improves the convenience of self-service money collection by the aid of the pushing mode of the manipulator.
The self-service money collection device provided by the application of the invention executes the above-mentioned commodity identification method of self-service money collection, and specifically, as shown in fig. 2, the camera module 21 is used for acquiring commodity images from multiple angles; the commodity bar code identification module 22 is used for identifying a commodity bar code based on a commodity image; the object placing table 23 is used for placing the commodity and acquiring the weight of the commodity; the commodity code judging module 24 is used for respectively judging suspected commodity codes based on the commodity images, the commodity bar codes and the commodity weight; the final commodity code determining module 25 is configured to use the suspected commodity code determined to be consistent as the final commodity code when the determination result is consistent; if one judgment result is inconsistent with the other two judgment results, the suspected goods codes judged by the other two judgment results are determined to be the final goods codes when the weighted sum of the other two judgment results exceeds the threshold value.
The camera module 21 comprises an upper camera module 211, a side camera module 212 and a lower camera module 213, wherein the upper camera module 211 is used for acquiring an image of the commodity from the upper part of the commodity; the side camera module 212 is used for acquiring a commodity image from the commodity side; the lower camera module 213 is used for acquiring an image of the commodity from the lower part of the commodity; the object placing table 23 in the embodiment of the present invention is a transparent object placing table, and the lower camera module 213 is disposed below the transparent object placing table.
The packaging table 27 is used for hanging shopping bags and is arranged below the object placing table 23; the article transfer device 26 transfers the article on the article table 23 to the shopping bag by the manipulator 261 and returns to the initial position.
The self-service money receiving device provided by the invention also comprises a display module 28 and a code scanning device 29; the display module 28 is configured to display the alarm information and the code scanning prompt information when the three determination results are inconsistent; the code scanning device 29 guides the customer to realize self-service collection in a code scanning mode.
Based on the self-service money receiving device, as shown in fig. 3, the invention further provides a self-service money receiving system, which comprises the self-service money receiving device 2 and a cloud abnormal transaction recording module 3; when the three judgment results are inconsistent or one judgment result is inconsistent with the other two judgment results, the self-service money receiving device 2 acquires a face image through the camera module 21 of the self-service money receiving device, and uploads the face image and the commodity image to the cloud abnormal transaction recording module 3; the cloud abnormal transaction recording module 3 retains abnormal transaction information, so that merchants can conveniently identify whether artificial cheating exists.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. A commodity identification method for self-service collection of money is characterized by comprising the following steps:
acquiring a commodity image from multiple angles, and identifying a commodity bar code based on the commodity image; and the number of the first and second groups,
acquiring the weight of a commodity;
respectively judging suspected commodity codes based on the commodity image, the commodity bar code and the commodity weight;
when the judgment results are consistent, taking the suspected commodity code which is judged to be consistent as the final commodity code;
if one judgment result is inconsistent with the other two judgment results, the suspected goods codes judged by the other two judgment results are determined to be the final goods codes when the weighted sum of the other two judgment results exceeds the threshold value.
2. The method of claim 1, wherein capturing images of the item from a plurality of angles comprises:
and commodity images respectively obtained from the upper part, the side and the lower part of the commodity.
3. The method of identifying an item for self-service checkout of claim 1 wherein after determining the final item code, the method further comprises:
the manipulator is controlled to push the commodity from the object placing table to the shopping bag of the packaging table and then return to the initial position.
4. The method for identifying a commodity for self-service collection according to claim 1, wherein if the three judgment results are inconsistent, the method further comprises:
and sending alarm information and code scanning prompt information.
5. The method for identifying a commodity for self-service collection according to claim 1, wherein if one judgment result is inconsistent with the other two judgment results or the three judgment results are inconsistent, the method further comprises:
and acquiring a face image, and recording the face image and the commodity image as cloud abnormal transaction information.
6. Self-service collection of money device, its characterized in that includes:
the camera module is used for acquiring commodity images from multiple angles;
the commodity bar code identification module is used for identifying a commodity bar code based on a commodity image;
the object placing table is used for placing commodities and acquiring the weight of the commodities;
the commodity code judging module is used for respectively judging suspected commodity codes based on the commodity images, the commodity bar codes and the commodity weight;
the final commodity code determining module is used for taking the suspected commodity code which is judged to be consistent as the final commodity code when the judgment results are consistent; if one judgment result is inconsistent with the other two judgment results, the suspected goods codes judged by the other two judgment results are determined to be the final goods codes when the weighted sum of the other two judgment results exceeds the threshold value.
7. The self-service checkout device of claim 6, wherein the camera module comprises:
the upper camera module is used for acquiring a commodity image from the upper part of the commodity;
the side camera module is used for acquiring a commodity image from the side of the commodity;
the lower camera module is used for acquiring a commodity image from the lower part of the commodity;
the object placing table is a transparent object placing table, and the lower camera module is arranged below the transparent object placing table.
8. The self-checkout apparatus of claim 6, further comprising:
the packaging table is used for hanging shopping bags;
and the commodity transfer device transfers commodities on the object placing table to the shopping bag through the manipulator and then returns to the initial position.
9. The self-checkout apparatus of claim 6, further comprising:
the display module is used for displaying alarm information and code scanning prompt information when the three judgment results are inconsistent;
and the code scanning device is used for realizing self-service collection in a code scanning mode.
10. Self-service collection of money system, its characterized in that includes:
the self-service checkout apparatus of any one of claims 6 to 9, and a cloud exception transaction logging module;
and when the three judgment results are inconsistent or one judgment result is inconsistent with the other two judgment results, the self-service money receiving device acquires a face image and uploads the face image and the commodity image to the cloud abnormal transaction recording module.
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| CN113569651A (en) * | 2021-06-30 | 2021-10-29 | 青岛海尔科技有限公司 | Resource determination method and device, storage medium and electronic device |
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