CN112509249A - Machine vision electronic scale system for block chain and use method - Google Patents
Machine vision electronic scale system for block chain and use method Download PDFInfo
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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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- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3276—Short range or proximity payments by means of M-devices using a pictured code, e.g. barcode or QR-code, being read by the M-device
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- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
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- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
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- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
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- G07G1/14—Systems including one or more distant stations co-operating with a central processing unit
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Abstract
The invention discloses a machine vision electronic scale system for a block chain and a using method thereof, wherein the system comprises a cloud server module, a machine vision electronic scale combination module and a mobile client module, the machine vision electronic scale combination module sends data to the cloud server module for processing and storing, the cloud server returns the processed data to the machine vision electronic scale combination module, the mobile client module carries out transaction by scanning a two-dimensional code generated by the machine vision electronic scale combination module, transaction information can be stored in the block chain formed by the machine vision electronic scale combination module, and the mobile client module applies for accessing the transaction information to the machine vision electronic scale combination module through a network. The invention does not need manual operation, solves the manual operation error and improves the weighing efficiency. The gesture settlement is added, so that the electronic scale is suitable for people with audio-visual and language barriers to shop, and the practicability and the transaction safety of the electronic scale are improved.
Description
Technical Field
The invention belongs to the technical field of blockchains and Internet of things, and particularly relates to a machine vision electronic scale system for blockchains and a using method of the machine vision electronic scale system.
Background
With the development of society and the increase of market scale, the electronic scale has become an indispensable life tool in people's life.
In the traditional electronic scale, the personal electronic scale can be operated by hands and feet of poor merchants in advance, so that the weighing is inaccurate and the weight is reduced by two. When the public electronic scale is used for weighing, names and unit prices of all articles must be stored in the electronic scale in advance, and when the public electronic scale is used for weighing, an operator needs to judge the names of the articles by eyes firstly and then can find corresponding input keys on the traditional electronic scale for inputting. Once the operator cannot remember the name of the article, the operator needs to look up the serial number of the article by referring to the form, and then input the corresponding serial number of the article into the electronic scale for identification and calculation. And the weighing data during the use period can not be preserved normally, so that the salesperson can not accurately grasp the market demand.
For a similar patent, such as an electronic scale with application number 201811082391.0, the electronic scale still maintains the conventional key input mode of the electronic scale, and does not get rid of manual operation, thereby not achieving real intelligence. Once the problems of data loss, tampering of individual equipment and the like occur in the uploading process of the weighing data of all the uploading servers, the later maintenance cost is inevitably increased.
Disclosure of Invention
It is an object of the present invention to overcome the above problems and deficiencies of the prior art and to provide a machine vision electronic scale system for a blockchain and method of use.
It is known that the block chain technology has the characteristics of decentralization and no tampering. By introducing the block chain technology, the invention solves the problem of data storage safety in the existing electronic scale and really realizes intellectualization.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme.
The utility model provides a machine vision electronic scale system for district chain, by cloud server module 1, machine vision electronic scale composite module 2 and mobile client module 3 constitute, machine vision electronic scale composite module 2 with data transmission to handle and save in the cloud server module 1, cloud server 1 returns the data of handling well for machine vision electronic scale composite module 2, mobile client module 3 is through scanning the two-dimensional code that machine vision electronic scale composite module 2 generated is traded, and transaction information is deposited in the block chain that machine vision electronic scale composite module 2 constitutes, mobile client module 3 through the network to machine vision electronic scale composite module 2 applies for access transaction information.
Further, the cloud server module 1 adopts a general cloud server, such as hua shi yun, a yun or a tengcong yun, and the cloud server module 1 is used for training in advance and storing pictures of articles to be sold and specified checkout gestures, and processing and storing data uploaded by the machine vision electronic scale combination module 2 through a network.
Further, the machine vision electronic scale combination module 2 is composed of a plurality of same machine vision electronic scale modules, and the same machine vision electronic scale modules form a block chain system through communication to complete transmission and verification of transaction data.
Further, the machine vision electronic scale module comprises a control module 2-10, a body 2-1, a weighing table 2-2, a tray 2-3, a support 2-5, a second display screen 2-7, a voice module 2-8 and an image acquisition module 2-9. The control module 2-10 is placed in the body 2-1 and connected with and controls other modules to work through interfaces, the weighing platform 2-2 with a built-in pressure sensor module is placed on the body 2-1, the tray 2-3 is fixed on the weighing platform 2-2, the support 2-5 is vertically and fixedly connected to one side of the body 2-1, the first display screen 2-7 is fixedly arranged on the other side face of the body 2-1 corresponding to the support 2-5, the image acquisition module 2-9 is fixedly arranged at the top end of the support 2-5, and the voice module 2-8 is placed in an open cavity formed in the support 2-5.
Further, the brackets 2-5 are formed by connecting a long bracket and a short bracket through the rotating shaft 2-4.
Furthermore, a second display screen 2-6 is arranged on one side surface of the support 2-5 corresponding to the first display screen 2-7.
Further, the control module 2-10 comprises a microprocessor module 2-10-1, a communication module 2-10-2 and a storage module 2-10-3, the microprocessor module 2-10-1 adopts a processor with a Linux system, and the communication module 2-10-2 adopts a currently mainstream communication mode, such as 5G, 4G or WiFi.
Furthermore, the image acquisition modules 2 to 9 adopt a USB or MIPI interface camera with an illumination function.
Furthermore, the voice modules 2 to 8 adopt a universal serial port voice module.
Further, the pressure sensor module selects a pressure sensor module of the universal interface.
Further, the first display screen 2-7 and the second display screen 2-6 both adopt display modules with HDMI interfaces.
Further, the mobile client module 3 selects a smart phone or a tablet computer.
In order to achieve the purpose, the invention adopts another technical scheme that:
a machine vision electronic scale for a block chain and a using method of a system thereof comprise the following steps:
step 100: the user registers identity information through the mobile client module 2-9 to obtain an identity two-dimensional code and has the use right of an electronic scale system;
step 101: a user places the purchased articles on a tray 2-3 of a weighing platform 2-2 of any one machine vision electronic scale module of a machine vision electronic scale system for weighing;
step 102: an image acquisition module in a certain machine vision electronic scale module acquires pictures of articles placed on a weighing platform on site;
step 103: the machine vision electronic scale system judges the network state, and performs the operation of step 104 when a network exists, and performs the operation of step 105 when no network exists;
step 104: under the condition of a network, a certain machine vision electronic scale module uploads the acquired weight and picture of the article to the cloud server module 1 through the network for data processing, and the processed data is returned to the machine vision electronic scale module;
step 105: under the condition of no network, a certain machine vision electronic scale module compares and identifies the acquired object weight and the acquired object picture with pictures in the memories 2-10-3, and returns processed data to the certain machine vision electronic scale module through a block chain formed by a plurality of machine vision electronic scale combination modules 2;
step 106: a certain machine vision electronic scale module displays the data returned in the step 103 or the step 104 through a second display screen 2-6 and a first display screen 2-7;
step 107: after shopping, a user presents a checkout gesture to an image acquisition module 2-9 of a certain machine vision electronic scale module, the image acquisition module 2-9 compares and identifies the acquired checkout gesture with a gesture specified in a memory 2-10-3, after the identification is successful, identity two-dimensional code verification is carried out through a block link point group consisting of a plurality of machine vision electronic scale modules, a payment code is returned to the certain machine vision electronic scale module after the verification is successful, after the identification is failed, a voice module 2-8 prompts the customer to present the checkout gesture again, and the certain machine vision electronic scale module collects and identifies the checkout gesture again;
step 108: the voice modules 2-8 broadcast transaction information, transaction data are stored in a block chain formed by the machine vision electronic scale combination modules 2, and a user conducts code scanning and checkout through the mobile client module 3.
Compared with the prior art, the design scheme of the invention can achieve the following effects:
1. the whole system does not need manual operation, can solve the error of manual operation, and improves the weighing efficiency.
2. The gesture settlement is added, so that the electronic scale is suitable for people with audio-visual and language barriers to shop, and the practicability of the electronic scale is improved.
3. A plurality of machine vision electronic scale modules form a block chain node, so that the safety of transaction is improved.
4. Can be managed in a unified way, greatly reduces the price of the jeopardizing goods of a single selling point, maintains the market order and is beneficial to better planning the market.
Drawings
FIG. 1 is a system architecture diagram of the present invention;
FIG. 2 is a schematic diagram of a machine vision electronic scale of the present invention;
FIG. 3 is a flow chart of the system weighing operation of the present invention;
wherein: 1. the system comprises a cloud server module, 2 a machine vision electronic scale combination module, 3 a mobile client module, 2-1 a body, 2-2 a weighing table, 2-3 a tray, 2-4 a rotating shaft, 2-5 a support, 2-6 a second display screen, 2-7 a first display screen, 2-8 a voice module, 2-9 an image acquisition module and 2-10 a control module.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings.
FIG. 1 is a system architecture diagram of the present invention. The utility model provides a machine vision electronic scale system for district chain, by cloud server module 1, machine vision electronic scale composite module 2 and mobile client module 3 constitute, machine vision electronic scale composite module 2 with data transmission to handle and save in the cloud server module 1, cloud server 1 returns the data of handling well for machine vision electronic scale composite module 2, mobile client module 3 is through scanning the two-dimensional code that machine vision electronic scale composite module 2 generated is traded, and transaction information is deposited in the block chain that machine vision electronic scale composite module 2 constitutes, mobile client module 3 through the network to machine vision electronic scale composite module 2 applies for access transaction information.
The cloud server module 1 is mainly used for storing picture sets and specified account-settling gestures which are trained in advance and need to sell articles, the articles can be selected according to scenes and can also be used for storing unit prices, varieties and production places of the articles needing to be sold in advance, the account-settling gestures are specified as 'OK', namely, a thumb and an index finger of the same hand are bent into a closed circle, the rest three fingers are naturally straightened, the cloud server module 1 is communicated with the machine vision electronic scale combination module 2 through a network, the machine vision electronic scale combination module 2 uploads collected article data to the cloud server module 1, the cloud server module 1 completes the processing and storage of the article data and returns the processed data to the machine vision electronic scale combination module 2 through the network.
Wherein the item data comprises: the picture of the article, the weight of the article, the weighing time and the serial number of an electronic scale for weighing the article.
The machine vision electronic scale combined module 2 is composed of a plurality of same machine vision electronic scale modules, the same machine vision electronic scale modules form a block chain system through communication to complete transmission and verification of transaction data, and the machine vision electronic scale combined module 2 can also show a payment two-dimensional code to the mobile client module 3.
The mobile client module 3 is a smart phone or a tablet computer, and the mobile client module 3 is used for identity registration, code scanning payment and data query. The identity verification is performed by a block chain system formed by the same machine vision electronic scale modules through communication, after the identity verification is successful, the mobile client module 3 receives a pair of public and private keys, the private key is used for signature during the identity verification, the public key generates a two-dimensional code after the private key is used for signature, and the two-dimensional code is used for subsequent payment verification.
Fig. 2 is a schematic structural diagram of the appearance of the present invention. The machine vision electronic scale combined module 2 consists of a plurality of same machine vision electronic scale modules, each machine vision electronic scale module consists of a control module 2-10, a body 2-1, a weighing platform 2-2, a tray 2-3, a rotating shaft 2-4, a support 2-5, a second display screen 2-7, a voice module 2-8 and an image acquisition module 2-9, the control module 2-10 is placed in the body 2-1 and connected with and controls other modules to work through interfaces, the weighing platform 2-2 with a built-in pressure sensor module is placed on the body 2-1, the tray 2-3 is fixed on the weighing platform 2-2, the support 2-5 is vertically and fixedly connected to one side of the body 2-1, the first display screen 2-7 is fixedly arranged on the other side face of the body 2-1 corresponding to the support 2-5, the image acquisition module 2-9 is fixedly arranged at the top end of the support 2-5, and the voice module 2-8 is placed in an opening formed in the support 2-5.
The support 2-5 is formed by connecting a long support and a short support through the rotating shaft 2-4, and the long support can be folded by rotating 90 degrees towards the first display screen 2-7 through the rotating shaft 2-4.
A second display screen 2-6 is arranged on one side surface of the bracket 2-5 corresponding to the first display screen 2-7.
The control module 2-10 comprises a microprocessor module 2-10-1, a communication module 2-10-2 and a storage module 2-10-3, the microprocessor module 2-10-1 completes identity registration and identity authentication, an ethernet platform or a super book Fabric is built in the block chain to complete intelligent contract deployment, and the intelligent contract needs to be written according to the requirements of participants, for example: and establishing a contract between a market supervisor and a seller or between a buyer and a seller, wherein the contract can specify the market supervisor to inquire market sales data, the seller has the right to set the price of the sold article in the price range set by the supervisor through the mobile client module 3, and the buyer can view part of the purchase data.
The user completes identity registration through the mobile client 3, after the registration is successful, the mobile client 3 receives a pair of public and private keys only belonging to the user, the identity registration is completed by the intelligent contract, after the registration is successful, the intelligent contract is distributed to the registered user according to a corresponding contract address through the public and private keys, a registrant generates a public key two-dimensional code through private key signature, and the two-dimensional code is used for identity authentication during transaction.
The microprocessor module 2-10-1 is a processor containing a Linux operating system, such as a raspberry pi.
The communication module 2-10-2 is 5G, 4G or WiFi.
The image acquisition module 2-9 is replaced by a digital camera with a USB interface or an MIPI interface having an illumination function, and the digital camera can directly convert an analog video generated by video acquisition equipment into a digital signal and further store the digital signal in the microprocessor 2-10-1.
It should be understood that the image capturing module 2-9 can capture not only images of static objects but also images of dynamic objects, if a dynamic object is placed on the tray 2-3, the image capturing module 2-9 can capture fixed images within a set time and select an optimal image from the fixed images to be stored in the memory module 2-10-3, the image capturing module 2-9 can also be used for capturing a settlement gesture, and the settlement gesture is defined as "OK", that is, a thumb and a forefinger of the same hand are bent into a closed circle, and the other three fingers are naturally straightened.
The voice modules 2 to 8 adopt a universal serial port voice module, the voice modules 2 to 8 prompt the information of the articles purchased by the customer and the total price of the articles purchased by the customer, and the information of the articles comprises: the unit price, the weight and the variety of the article, and the voice modules 2 to 8 can also alarm system errors, wherein the system errors comprise: no image is acquired or the image recognition is erroneous.
The pressure sensor module 2-2 is used for collecting the weight of the object placed on the tray 2-3, the pressure sensor module 2-2 is connected with the microprocessor module 2-10-1 by a UART interface, when a static object is placed, the pressure sensor module 2-2 starts to collect the weight of the current object when detecting pressure change, and stores the collected weight in the memory 2-10-3.
It should be understood that the pressure sensor 2-2 collects the weight of the dynamic article by using the algorithms of "low pass filtering" and "weighted averaging", wherein the algorithms of low pass filtering and weighted averaging function as: the low-pass filtering can effectively remove data with large fluctuation, can reduce the influence of violent movement of a dynamic object on the weighing accuracy, and has the effect of enabling the weighing result to tend to be accurate.
The first display screen 2-7 and the second display screen 2-6 adopt display modules of HDMI interfaces, and the first display screen 2-7 is used for displaying information of weighed objects to customers, and includes: the name, the type, the weight and the unit price of an article, the second display screen 2-6 is used for displaying the name, the unit price, the weight and the sales volume of the article to be weighed to a market manager, the first display screen 2-7 is also used for displaying a payment two-dimensional code to a customer, and the customer scans the code payment two-dimensional code through the mobile client module 3 to pay.
It should be noted that the payment two-dimensional code is a currency payment two-dimensional code generated by the machine vision electronic scale combination module 2, and is not affiliated to any third party, the two-dimensional code is used for completing point-to-point fund transfer between a customer and the machine vision electronic scale module, and is safer and more reliable than the traditional method of adopting third party payment, wherein, the mobile client 3 can also send a query request to the machine vision electronic scale combination module 2, and the machine vision electronic scale combination module 2 can open query contents according to the authority level of a sender.
The machine vision electronic scale combined module 2 further comprises a power supply, wherein the power supply supplies power to the machine vision electronic scale combined module 2 through a power line, and the power supply can also be powered by a battery.
FIG. 3 is a flowchart of the system weighing operation of the present invention, including the following steps:
and step 100, the user registers identity information through the mobile client module 2-9 to obtain an identity two-dimensional code and has the right of use of the electronic scale system.
102, an image acquisition module 2-9 in a certain machine vision electronic scale module acquires pictures of the articles placed on the tray 2-3 on site.
And 103, judging the network state by the machine vision electronic scale system, and performing the operation of step 104 when a network exists, and performing the operation of step 105 when no network exists.
And 104, under the condition of a network, uploading the acquired weight and picture of the article to the cloud server module 1 by a certain machine vision electronic scale module through the network for data processing, and returning the processed data to the machine vision electronic scale module.
And 105, under the condition of no network, comparing and identifying the acquired object weight and the acquired object picture with the pictures in the memories 2-10-3 by a certain machine vision electronic scale module, and returning the processed data to the certain machine vision electronic scale module through a block chain formed by the machine vision electronic scale combination modules 2.
And 106, displaying the data returned in the step 103 or the step 104 by a certain machine vision electronic scale module through a second display screen 2-6 and a first display screen 2-7.
It should be noted that the payment code is a two-dimensional code for currency payment generated by the machine vision electronic scale combination module 2, and is not affiliated to any third party, and the two-dimensional code is used for completing point-to-point fund transfer between a customer and the machine vision electronic scale module, and is safer and more reliable than the traditional method adopting third party payment.
And 108, broadcasting the transaction information by the voice modules 2 to 8, storing the transaction data into a block chain consisting of a plurality of machine vision electronic scale combined modules, and scanning and settling the accounts by the user through the mobile client.
The above description is only an exemplary embodiment of the present invention, and the present invention is not limited thereto in any way, and those skilled in the art can make various changes and modifications without departing from the technical scope of the present invention, and any simple modification and equivalent changes made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention without departing from the spirit of the present invention and the scope of the appended claims.
Claims (10)
1. A machine vision electronic scale system for a block chain is characterized by comprising a cloud server module (1), a machine vision electronic scale combination module (2) and a mobile client module (3), the machine vision electronic scale combination module (2) sends data to the cloud server module (1) for processing and storage, the cloud server module (1) returns the processed data to the machine vision electronic scale combination module (2), the mobile client module (3) carries out transaction by scanning the two-dimensional code generated by the machine vision electronic scale combined module (2), transaction information is stored in a block chain formed in the machine vision electronic scale combined module (2), and the mobile client module (3) applies for accessing transaction information to the machine vision electronic scale combination module (2) through a network.
2. The machine vision electronic scale system for the block chain according to claim 1, wherein the cloud server module (1) is used for training in advance and storing pictures of goods to be sold and specified checkout gestures, and processing and storing data uploaded by the machine vision electronic scale combination module (2) through a network.
3. The machine vision electronic scale system for blockchains according to claim 2, wherein the check-out gesture is "OK", i.e. thumb and forefinger of the same hand bend into a closed circle, the remaining three fingers naturally spread apart and straighten.
4. The machine vision electronic scale system for the blockchain is characterized in that the machine vision electronic scale combination module (2) is composed of a plurality of identical machine vision electronic scale modules, and the identical machine vision electronic scale modules form the blockchain system through communication to complete transmission and verification of transaction data.
5. The machine vision electronic scale system for the block chain according to claim 4, characterized in that the machine vision electronic scale module comprises a control module (2-10), a body (2-1), a weighing platform (2-2), a tray (2-3), a support (2-5), a second display screen (2-7), a voice module (2-8) and an image acquisition module (2-9), the control module (2-10) is placed in the body (2-1) and is connected with and controls other modules to work through interfaces, the weighing platform (2-2) with a pressure sensor module inside is placed on the body (2-1), the tray (2-3) is fixed on the weighing platform (2-2), the support (2-5) is vertically and fixedly connected to one side of the body (2-1), the first display screen (2-7) is fixedly arranged on the other side face of the body (2-1) corresponding to the support (2-5), the image acquisition module (2-9) is fixedly arranged at the top end of the support (2-5), and the voice module (2-8) is placed in an opening cavity formed in the support (2-5).
6. A machine vision electronic scale system for block chains according to claim 5, characterized in that the control module (2-10) comprises a microprocessor module (2-10-1), a communication module (2-10-2) and a memory module (2-10-3).
7. The machine vision electronic scale system for blockchains according to claim 5, wherein the brackets (2-5) are formed by connecting long brackets and short brackets through the rotating shafts (2-4).
8. A machine vision electronic scale system for a block chain according to claim 5, characterized in that a second display screen (2-6) is further provided on a side of the bracket (2-5) corresponding to the first display screen (2-7).
9. The machine vision electronic scale system for the blockchain according to claim 8, wherein the image acquisition module (2-9) adopts a USB or MIPI interface camera with an illumination function, the voice module (2-8) selects a universal serial port voice module, and the first display screen (2-7) and the second display screen (2-6) both adopt display modules of HDMI interfaces.
10. A method of using a machine vision electronic scale system for a blockchain, comprising the steps of:
step 100: a user registers identity information through the mobile client module (2-9), acquires an identity two-dimensional code and has the use right of an electronic scale system;
step 101: a user places the purchased articles on a tray (2-3) of a weighing platform (2-2) of any one machine vision electronic scale module of the machine vision electronic scale system for weighing;
step 102: an image acquisition module (2-9) in a certain machine vision electronic scale module acquires pictures of articles placed on a tray (2-3) on site;
step 103: the machine vision electronic scale system judges the network state, and performs the operation of step 104 when a network exists, and performs the operation of step 105 when no network exists;
step 104: under the condition of a network, a certain machine vision electronic scale module uploads the acquired weight and picture of the article to the cloud server module (1) through the network for data processing, and the processed data is returned to the machine vision electronic scale module;
step 105: under the condition of no network, a certain machine vision electronic scale module compares and identifies the acquired object weight and the acquired object picture with pictures in a memory (2-10-3), and returns processed data to the certain machine vision electronic scale module through a block chain formed by a plurality of machine vision electronic scale combination modules (2);
step 106: a certain machine vision electronic scale module displays the data returned in the step 103 or the step 104 through a second display screen (2-6) and a first display screen (2-7);
step 107: after shopping, a user presents a checkout gesture to an image acquisition module (2-9) of a certain machine vision electronic scale module, the image acquisition module (2-9) compares the acquired checkout gesture with a gesture specified in a memory (2-10-3) for identification, after the identification is successful, identity two-dimensional code verification is carried out through a block link point group consisting of a plurality of machine vision electronic scale modules, a payment code is returned to the certain machine vision electronic scale module after the verification is successful, after the identification is failed, a voice module (2-8) prompts the customer to present the checkout gesture again, and the certain machine vision electronic scale module collects and identifies the checkout gesture again;
step 108: the voice modules (2-8) broadcast transaction information, transaction data are stored in a block chain formed by the machine vision electronic scale combination modules (2), and a user conducts code scanning and checkout through the mobile client module (3).
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