WO2021077321A1 - Système et procédé d'identification d'étiquette d'étagère électronique, et serveur - Google Patents

Système et procédé d'identification d'étiquette d'étagère électronique, et serveur Download PDF

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Publication number
WO2021077321A1
WO2021077321A1 PCT/CN2019/112723 CN2019112723W WO2021077321A1 WO 2021077321 A1 WO2021077321 A1 WO 2021077321A1 CN 2019112723 W CN2019112723 W CN 2019112723W WO 2021077321 A1 WO2021077321 A1 WO 2021077321A1
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WO
WIPO (PCT)
Prior art keywords
price tag
electronic price
character code
code page
identification
Prior art date
Application number
PCT/CN2019/112723
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English (en)
Chinese (zh)
Inventor
侯世国
梁敏
金小平
苏汛沅
张彩蝶
Original Assignee
汉朔科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 汉朔科技股份有限公司 filed Critical 汉朔科技股份有限公司
Priority to PCT/CN2019/112723 priority Critical patent/WO2021077321A1/fr
Publication of WO2021077321A1 publication Critical patent/WO2021077321A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition

Definitions

  • the present invention relates to the Internet field, in particular to an electronic price tag identification system and method, and a server.
  • the manual display method is mainly used to display the products in the supermarket.
  • the computer typesetting of the product labels is completed and printed and then handed over to the manual display.
  • the main disadvantage of the above manual display method is that it consumes a lot of manpower.
  • the electronic price tag is a product in the new retail field, which can locate the product by identifying the electronic price tag, but there is currently a lack of effective methods for electronic price tag identification.
  • An embodiment of the present invention provides an electronic price tag identification system for identifying electronic price tags with high efficiency.
  • the system includes:
  • the electronic price tag is used for: after receiving the multi-character code page switching instruction sent by the server, the current display page is switched to the multi-character code page, and the multi-character code page switching result is fed back to the server, and the multi-character code page is used for display The identification of the electronic price tag;
  • the camera is used to: after receiving the photographing instruction, take at least one picture of the electronic price tag, and send the at least one picture to the server;
  • the server is used to: send a multi-character code page switching instruction to the electronic price tag; after the received multi-character code page switching result is successful, send a photographing instruction to the camera; receive at least one picture; according to the at least one picture , The identification of the electronic price tag.
  • the embodiment of the present invention provides a server for identifying electronic price tags with high efficiency.
  • the server includes:
  • the first instruction sending module is used to send a multi-word code page switching instruction to the electronic price tag
  • the second instruction sending module is used to send a photographing instruction to the camera after the received multi-character code page switching result is that the switching is successful;
  • the receiving module is used for receiving the multi-character code page switching result of the electronic price tag according to the multi-character code page switching instruction, the multi-character code page is used to display the identification of the electronic price tag; receiving the electronic price tag photographed by the camera according to the photographing instruction At least one picture of
  • the identification module is used to identify the identification of the electronic price tag according to the at least one picture.
  • the embodiment of the present invention provides an electronic price tag identification method for identifying electronic price tags with high efficiency.
  • the method includes:
  • the identification of the electronic price tag is recognized.
  • the embodiment of the present invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
  • the processor implements the above electronic price tag identification method when the computer program is executed. .
  • the embodiment of the present invention also provides a computer-readable storage medium that stores a computer program for executing the above-mentioned electronic price tag identification method.
  • the electronic price tag is used to: after receiving the multi-character code page switching instruction sent by the server, switch the current display page to the multi-character code page, and feed back the multi-character code page switching result to the server.
  • the multi-character code page is used to display the identification of the electronic price tag; the camera is used to: after receiving the photographing instruction, take at least one picture of the electronic price tag, and send the at least one picture to the server; the server is used to: The electronic price tag sends a multi-character code page switching instruction; after the received multi-character code page switching result is successful, send a photographing instruction to the camera; receive at least one picture; identify the electronic price tag according to the at least one picture Logo.
  • the server can quickly identify the electronic price tag based on the at least one picture by controlling the camera to take at least one picture of the multi-character code page Recognition, high efficiency.
  • Figure 1 is a schematic diagram of an electronic price tag identification system in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a specific application of the electronic price tag identification system in an embodiment of the present invention
  • Figure 3 is a schematic diagram of a server in an embodiment of the present invention.
  • Fig. 4 is a flowchart of an electronic price tag identification method in an embodiment of the present invention.
  • Fig. 1 is a schematic diagram of an electronic price tag identification system in an embodiment of the present invention. As shown in Fig. 1, the system includes:
  • the electronic price tag is used for: after receiving the multi-character code page switching instruction sent by the server, switch the current display page to the multi-character code page, and feed back the multi-character code page switching result to the server, and the multi-character code page is used for Display the identification of the electronic price tag;
  • the camera is configured to: after receiving the photographing instruction, take at least one picture of the electronic price tag, and send the at least one picture to the server;
  • the server is configured to: send a multi-character code page switching instruction to the electronic price tag; after the received multi-character code page switching result is successful, send a photographing instruction to the camera; receive at least one picture; according to the at least one Picture to identify the logo of the electronic price tag.
  • the server can quickly identify the electronic price tag based on the at least one picture by controlling the camera to take at least one picture of the multi-character code page.
  • the identification of the signature is highly efficient.
  • the multi-character code page is a pre-configured identification corresponding to the electronic price tag, and it can uniquely identify the electronic price tag. When displayed, it fills the electronic price tag screen, allowing the pictures taken from the camera to be quickly identified
  • the identification of an electronic price tag generally does not have many characters in a multi-word code. For example, it can be composed of letters such as "ABED", coded according to the set rules, and can be stored in the server for easy reference.
  • the camera takes at least one picture of the electronic price tag, and the multiple pictures taken are all multi-character code pages. The multiple shooting is to improve the accuracy of the identification of the electronic price tag.
  • Figure 2 is a schematic diagram of the specific application of the electronic price tag identification system in the embodiment of the present invention.
  • the products Using supermarket commodity industry specifications, the products must be placed from the left to the left edge of the electronic price tag, and from the right to the left of the electronic price tag or on the shelf. Right edge.
  • Camera 1 is installed on the opposite side of the shelf. For example, it can be a 2-megapixel POE camera. Both camera 1 and electronic price tag 2 communicate with the server.
  • the server sends a multi-word code page switching instruction to the electronic price tag; After receiving the multi-character code page switching instruction sent by the server, the sign will switch the current display page to the multi-character code page, and feedback the multi-character code page switching result to the server.
  • the server receives the multi-character code page switching result as successful Then, send a photo instruction to the camera, and after the received multi-character code page switch result is that the switch fails, continue to send the multi-character code page switch instruction to the electronic price tag, and the number of times the multi-character code page switch instruction is sent to the electronic price tag When the set number of times is reached, but the received multi-character code page switching results are all switching failures, an early warning message is generated to remind the electronic price tag management personnel of the communication between the electronic price tag server and the electronic price tag or that there is a problem with the electronic price tag itself.
  • the camera After receiving the photographing instruction, the camera takes at least one picture of the electronic price tag, and sends the at least one picture to the server, and the server recognizes the identifier of the electronic price tag according to the at least one picture. Since electronic price tag identification during normal working hours may affect the customer's shopping experience, multi-character code identification should be carried out during off-hours or before get off work as far as possible.
  • the server is specifically used to:
  • the at least one picture is input into the deep learning model to identify the identification of the electronic price tag.
  • the deep learning model is obtained by training using the following method:
  • the deep learning model is trained using the feature vector.
  • commonly used deep learning models include autoencoders, sparse encoders, convolutional neural networks, RNNs, and LSTMs.
  • the training methods for deep learning models are roughly similar, namely the three steps in the above-mentioned embodiment.
  • the feature vector to train the deep learning model it specifically includes: adjusting the parameters of the deep learning model during the training process until the loss function of the deep learning model meets the preset convergence condition, and the trained deep learning model is obtained.
  • the deep learning model is obtained by training using the following method:
  • the accuracy of the trained deep learning model When the accuracy of the trained deep learning model is less than the preset accuracy, increase the amount of training set data or adjust the ratio of training set data and test set data to retrain until the accuracy of the trained deep learning model is not less than the preset accuracy. Set the accuracy rate.
  • the server is also used to:
  • the corresponding relationship between the identifier on the electronic price tag and the shelf item is stored in the server, and the item corresponding to the electronic price tag can be quickly determined through query.
  • the electronic price tag is used to switch the current display page to the multi-character code page after receiving the multi-character code page switching instruction sent by the server,
  • the multi-character code page switching result is fed back to the server, the multi-character code page is used to display the identification of the electronic price tag;
  • the camera is used to: after receiving the photographing instruction, take at least one picture of the electronic price tag, and the at least A picture is sent to the server;
  • the server is used to: send a multi-character code page switching instruction to the electronic price tag; after the received multi-character code page switching result is successful, send a photographing instruction to the camera; receive at least one picture; According to the at least one picture, the identification of the electronic price tag is recognized.
  • the server can quickly identify the electronic price tag based on the at least one picture by controlling the camera to take at least one picture of the multi-character code page Recognition, high efficiency.
  • the use of the deep learning module to identify the identification of the electronic price tag has high accuracy and high efficiency.
  • FIG. 3 is a schematic diagram of the server in the embodiment of the present invention. As shown in FIG. 3, the server includes:
  • the first instruction sending module is used to send a multi-word code page switching instruction to the electronic price tag
  • the second instruction sending module is used to send a photographing instruction to the camera after the received multi-character code page switching result is that the switching is successful;
  • the receiving module is used for receiving the multi-character code page switching result of the electronic price tag according to the multi-character code page switching instruction, the multi-character code page is used to display the identification of the electronic price tag; receiving the electronic price tag photographed by the camera according to the photographing instruction At least one picture of
  • the identification module is used to identify the identification of the electronic price tag according to the at least one picture.
  • the identification module is specifically used for:
  • the at least one picture is input into the deep learning model to identify the identification of the electronic price tag.
  • the deep learning model is obtained by training using the following method:
  • the deep learning model is trained using the feature vector.
  • the server further includes an item identification module for:
  • the first instruction sending module is used to send a multi-character code page switching instruction to the electronic price tag;
  • the second instruction sending module is used to send a multi-character code page switching instruction to the electronic price tag;
  • the page switching result is that after the switching is successful, the camera sends a photographing instruction;
  • the receiving module is used to receive the multi-character code page switching result fed back by the electronic price tag according to the multi-character code page switching instruction, and the multi-character code page is used to display the electronic price
  • the identification of the electronic price tag receiving at least one picture of the electronic price tag taken by the camera according to the photographing instruction; the identification module, which is used to identify the identification of the electronic price tag according to the at least one picture.
  • the multi-character code page can directly display the identification of the electronic price tag
  • the electronic price tag can be quickly identified based on the at least one picture.
  • Recognition high efficiency.
  • Using the deep learning module to identify the identification of the electronic price tag has high accuracy and high efficiency.
  • the camera used in this system performs multi-character price tag detection, it only needs to stay on the multi-character code page for a certain period of time for taking pictures. The power consumption is low, and the installation cost is extremely low. Only one camera is needed to display information. Real-time acquisition is strong.
  • embodiments of the present invention also provide an electronic price tag identification method, as described in the following embodiments. Since these problem-solving principles are similar to those of the server, the implementation of the electronic price tag identification method can refer to the implementation of the server, and the repetition will not be repeated.
  • Fig. 4 is a flowchart of an electronic price tag identification method in an embodiment of the present invention. As shown in Fig. 4, the method includes:
  • Step 401 Send a multi-character code page switching instruction to the electronic price tag
  • Step 402 Receive the multi-character code page switching result fed back by the electronic price tag according to the multi-character code page switching instruction, where the multi-character code page is used to display the identification of the electronic price tag;
  • Step 403 after the received multi-character code page switching result is that the switching is successful, send a photographing instruction to the camera;
  • Step 404 Receive at least one picture of the electronic price tag taken by the camera according to the photographing instruction;
  • Step 405 Identify the identifier of the electronic price tag according to the at least one picture.
  • identifying the identifier of the electronic price tag according to the at least one picture includes:
  • the at least one picture is input into the deep learning model to identify the identification of the electronic price tag.
  • the deep learning model is obtained by training using the following method:
  • the deep learning model is trained using the feature vector.
  • the method further includes:
  • the multi-character code page switching instruction is sent to the electronic price tag; the multi-character code page switching result fed back by the electronic price tag according to the multi-character code page switching instruction is received.
  • the code page is used to display the identification of the electronic price tag; after the received multi-character code page switching result is successful, send a photo instruction to the camera; receive at least one picture of the electronic price tag taken by the camera according to the photo instruction; The at least one picture identifies the identification of the electronic price tag.
  • the multi-character code page can directly display the identification of the electronic price tag, by controlling the camera to take at least one picture of the multi-character code page, the electronic price tag can be quickly identified based on the at least one picture.
  • the embodiments of the present invention can be provided as a method, a system, or a computer program product. Therefore, the present invention may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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  • Bioinformatics & Computational Biology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
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Abstract

L'invention concerne un système et un procédé d'identification d'étiquette d'étagère électronique, et un serveur. Ledit système comprend : une étiquette d'étagère électronique, conçue pour commuter la page d'affichage courant vers une page de code à caractères multiples lors de la réception d'une instruction de commutation de page de code à caractères multiples envoyée par un serveur, et pour renvoyer un résultat de commutation de page de code à caractères multiples au serveur, la page de code à caractères multiples étant utilisée pour afficher l'identificateur de l'étiquette d'étagère électronique; un appareil de prise de vue, configuré pour capturer au moins une image de l'étiquette d'étagère électronique lors de la réception d'une instruction de photographie, et pour envoyer ladite image au serveur; et le serveur, configuré pour envoyer l'instruction de commutation de page de code à caractères multiples à l'étiquette d'étagère électronique, envoyer une instruction de photographie à l'appareil de prise de vue lorsque le résultat de commutation de page de code à caractères multiples reçu est une commutation réussie, recevoir au moins une image, et identifier l'identificateur de l'étiquette d'étagère électronique conformément à ladite image. Ledit système peut identifier une étiquette d'étagère électronique, et est efficace.
PCT/CN2019/112723 2019-10-23 2019-10-23 Système et procédé d'identification d'étiquette d'étagère électronique, et serveur WO2021077321A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113269052A (zh) * 2021-04-30 2021-08-17 广州图匠数据科技有限公司 价签识别方法、终端、存储装置
CN116456449A (zh) * 2023-06-06 2023-07-18 汉朔科技股份有限公司 基于同步网络的价签通信方法、价签系统和计算机设备

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CN110276623A (zh) * 2018-03-13 2019-09-24 阿里巴巴集团控股有限公司 控制、展示、播放方法、服务器、电子价签、设备和系统

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US20020109603A1 (en) * 2001-02-14 2002-08-15 Ncr Corporation Methods and apparatus for an electronic shelf label communication system
US20140028866A1 (en) * 2012-07-24 2014-01-30 Xerox Corporation Method and apparatus for remotely controlling a camera connected to a multi-function device
CN108140167A (zh) * 2015-10-02 2018-06-08 飞利浦照明控股有限公司 电子货架标签的基于摄像机的位置调试
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113269052A (zh) * 2021-04-30 2021-08-17 广州图匠数据科技有限公司 价签识别方法、终端、存储装置
CN116456449A (zh) * 2023-06-06 2023-07-18 汉朔科技股份有限公司 基于同步网络的价签通信方法、价签系统和计算机设备
CN116456449B (zh) * 2023-06-06 2023-10-17 汉朔科技股份有限公司 基于同步网络的价签通信方法、价签系统和计算机设备

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