CN114358786A - Offline face payment method and terminal - Google Patents
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- CN114358786A CN114358786A CN202111616316.XA CN202111616316A CN114358786A CN 114358786 A CN114358786 A CN 114358786A CN 202111616316 A CN202111616316 A CN 202111616316A CN 114358786 A CN114358786 A CN 114358786A
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Abstract
The invention relates to an off-line face payment method and a terminal, belongs to the technical field of off-line payment, and particularly relates to a face payment process in an off-line state. When the payment terminal is in an offline state, a face image of a user is collected, a face characteristic value is extracted from the face image and is compared with face characteristic value information stored in advance, after the comparison is successful, account balance and consumption attribute information of the corresponding user are extracted according to the face characteristic value, whether the user has consumption capacity or not is judged according to the account balance and the consumption attribute information, when the user has the consumption capacity, consumption records corresponding to the consumption records are generated according to the amount of money required to be paid by the user in the current consumption, and the consumption records are cached in the payment terminal locally so as to be uploaded to a payment platform during networking and be deducted for deposit. The invention can be used in places with poor network quality, and avoids the situation that the user is difficult to complete the payment process quickly, thereby effectively improving the payment efficiency.
Description
Technical Field
The invention relates to an off-line face payment method and a terminal, belongs to the technical field of off-line payment, and particularly relates to a face payment process in an off-line state.
Background
With the pursuit of people for convenient payment, the technology of payment through face recognition is widely applied to daily life. In recent years, with the penetration and popularization of face payment, all walks of life have aroused the enthusiasm of face simple payment. The face payment technology is more fully applied in places where people are relatively fixed and concentrated, such as factories and schools, and particularly restaurants in factories and schools.
However, the existing face payment method includes a face information acquisition process, a face characteristic value calculation process, a characteristic value issuing process and a deduction process. The specific method for face payment comprises the following steps: the camera installed on the payment terminal shoots the face of the user to obtain the face image information of the user, the face image information of the user is sent to the server through a communication interface between the camera and the payment terminal, the server calculates the face characteristic value, and the characteristic value issuing process and the money deduction process are completed, so that face payment is realized.
No matter the payment is carried out by the two-dimension code or the face payment, the whole participation and support of the network are needed in the payment process, so that the payment process generates great dependence on the network, and once the network quality is poor or the network signals cannot be connected, the payment efficiency of a client is greatly reduced. The prior art provides methods for performing offline payment by using two-dimension codes, such as chinese patent document with publication number CN107194694A, which discloses an offline payment method based on two-dimension codes, which can implement two-dimension code payment in an offline state. However, compared with the two-dimension code offline payment, the two-dimension code offline payment method cannot be directly transferred to the human face offline payment process because the human face image cannot carry data information related to the payment.
In conclusion, in a place where people are relatively fixed and centralized, the face offline payment method is limited by the network response speed, so that the payment efficiency of a user is reduced, the consumption requirements of a large number of people are difficult to meet, and the user experience is reduced.
Disclosure of Invention
The invention aims to provide an off-line face payment method and a terminal, which are used for solving the problem of low payment efficiency when a user adopts face payment in a place with poor network quality.
In order to achieve the purpose, the invention provides an off-line face payment method, which comprises the following steps:
s1, when the user carries out off-line face payment at the payment terminal, the payment terminal collects the face image of the user and processes the face image by adopting a face recognition algorithm to obtain a face characteristic value;
s2, comparing the face characteristic value with face characteristic value information of each user pre-stored in the payment terminal;
s3, after the comparison is successful, extracting the account balance and the consumption attribute information of the corresponding user from the account balance and the consumption attribute information which are pre-stored in the payment terminal according to the face characteristic value;
s4, judging whether the user has the consumption ability or not according to the account balance and/or the consumption attribute information of the user;
and S5, if the user has the consumption capability, generating a consumption record corresponding to the user according to the consumption amount, and caching the consumption record in the payment terminal.
The off-line face payment method comprises the steps of collecting a face image of a user when a payment terminal is in an off-line state, extracting a face characteristic value from the face image, comparing the face characteristic value with face characteristic value information stored in advance, extracting account balance and consumption attribute information of the corresponding user according to the face characteristic value after the comparison is successful, judging whether the user has consumption capacity or not according to the account balance and the consumption attribute information, generating consumption records corresponding to the consumption records according to the amount of money required to be paid by the user in the current consumption when the user has the consumption capacity, and caching the consumption records in the payment terminal so as to be uploaded to a payment platform during networking and carry out deduction and account entry. The invention can be used in places with poor network quality, avoids the situation that the user is difficult to quickly finish the payment process through face payment, effectively improves the payment efficiency when the network environment is not good, and realizes the reliable face payment in an off-line state.
Further, in the above method, the consumption attribute information includes at least one of a determination result of whether the user starts the offline face payment function, a single consumption limit, an offline consumption total limit, and a single person single meal consumption frequency, and a consumption capability determination condition is generated according to the consumption attribute information, the consumption capability determination condition includes at least one of the following determination conditions, and each determination condition and determination result are as follows:
judgment condition 1: if the user opens the face payment function, judging that the judgment result of the condition 1 is true, otherwise, judging that the judgment result of the condition 1 is false;
judgment condition 2: if the current consumption amount is lower than the single consumption limit, judging that the judgment result of the condition 2 is true, otherwise, judging that the judgment result of the condition 2 is false;
judgment condition 3: calculating the sum of the current consumption amount and the historical consumption total amount, wherein the historical consumption total amount is the consumed total amount of the user in a set time period; if the sum is lower than the offline consumption total limit, judging that the judgment result of the condition 3 is true, otherwise, judging that the judgment result of the condition 3 is false;
judgment condition 4: if the consumption times of the user in the set time period are lower than the consumption times of a single meal, judging that the judgment result of the condition 4 is true, otherwise, judging that the judgment result of the condition 4 is false;
and if the judgment result of the judgment condition in the consumption capacity judgment condition is true, the user has the consumption capacity, otherwise, the user does not have the consumption capacity.
The situation that the user consumption capacity is judged only through the consumption attribute information is explained, one or more of the judgment result of whether the user opens the off-line face payment function, the single consumption limit, the off-line consumption total limit and the single meal consumption times are used as a judgment standard for judging whether the user has the consumption capacity, corresponding judgment conditions are generated according to the content included in the consumption attribute information, and then the consumption capacity of the user is judged according to the judgment result of the judgment conditions.
Further, in the above method, the consumption attribute information further includes an overdraft limit, and if the current consumption amount is lower than the overdraft limit, the user has a consumption capability; or calculating the sum of the account balance and the overdraft amount, and if the sum is higher than the consumption amount, the user has consumption capacity.
Considering that different crowds have different overdraft limit, the consumption capacity of the user is judged through the overdraft limit, and if the overdraft limit of the user or the sum of the overdraft limit and the account balance exceeds the amount of the user consumed at this time, the user is judged to have the consumption capacity.
Further, in the method, the payment terminal also stores the identity information of each user in advance, and in step S5, the consumption record is generated according to the current consumption amount and the pre-stored identity information of the user.
The payment terminal also stores the identity information of each user, such as name, job number, department and the like, and the identity information of the user is added when the consumption record is generated, so that the consumption record is convenient for a manager to check when being uploaded to the platform.
Further, in the above method, the face feature information, the account balance, the consumption attribute information, and the identity information of each user, which are pre-stored in the payment terminal, are obtained when the payment terminal is online.
The face information, the account balance, the consumption attribute information and the identity information cached in the payment terminal are all downloaded from the platform when the payment terminal is networked, and the workload of updating and maintaining the payment terminal is reduced by updating the information cached in the payment terminal when the payment terminal is networked.
Further, in the method, when the payment terminal is networked, the payment terminal uploads the cached consumption record and updates the account balance and consumption attribute information of each user.
When the payment terminal is networked, the payment terminal uploads the consumption record cached in the local, so that the deduction of the consumption amount of the user is completed, the cached account balance and the consumption attribute information are updated in time, and the use of the user is facilitated.
Further, in the above method, each time the consumption record of the corresponding user is generated, the consumption attribute information and the account balance of the corresponding user are updated.
When the consumption record is generated every time, the account balance and the consumption attribute information of the corresponding user are updated in time, so that the consumption capacity of the user can be judged by adopting the new account balance and the consumption attribute information when the user is consumed offline next time at the terminal, and the condition that the user consumes maliciously is avoided.
Further, in the above method, the consumption attribute information includes an offline consumption extension time, and the method for determining whether the user has the consumption capability in step S4 is: if the time elapsed after the payment terminal collects the current face image of the user is longer than the off-line consumption extension time, the user does not have the consumption capability.
The invention also provides an off-line face payment terminal, which comprises an image acquisition device, a processor and a memory, wherein the image acquisition device is used for acquiring the face image of the user; the processor executes instructions in the memory to implement the above-described offline face payment method.
Drawings
Fig. 1 is a flow chart of an offline human face payment method in the embodiment of the method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
The method comprises the following steps:
the invention relates to an off-line face payment method, which comprises the steps of collecting a face characteristic value of a user in an off-line state, comparing the face characteristic value with a face characteristic value stored in a payment terminal, judging whether the user has consumption capacity after the comparison is successful, forming a consumption record according to personnel information, account balance information and consumption attribute information when the user has the consumption capacity, caching the consumption record to the local part of the payment terminal, uploading the consumption record cached in the local part to a payment platform when the payment terminal is connected with a network, performing account entry processing according to consumption rules after the payment platform receives the uploaded consumption record, deducting the balance of the user on a fund account, and forming a transaction record of the payment platform, thereby completing the whole transaction process.
Taking a factory as an example, the precondition for implementing the off-line face payment method is as follows: the user creates personnel information and account information on the payment platform, wherein the personnel information comprises identity information and a face photo of the user, and the identity information comprises a personal work number, a name, a department to which the user belongs and the like. The payment platform synchronously transmits the personnel information to the face authentication service platform, the face authentication service platform adopts a face recognition algorithm SDK to extract face characteristic values of the face photos, and finally the face characteristic values, the personal work numbers, the names and the affiliated departments which correspond to each other are issued to the payment terminal, and the payment terminal caches the face characteristic values in the local library. And meanwhile, the payment platform issues the account balance information of each user and the consumption attribute information reflecting the consumption rule to the payment terminal, and the payment terminal caches the information in the local library. The account balance information and the consumption attribute information are set by the payment platform, and the consumption attribute information comprises a judgment result of whether the user starts face off-line consumption, a single consumption limit, single consumption times of a single consumption person, off-line consumption extension time, a total off-line consumption limit, overdraft limit and the like. The face characteristic value, the identity information and the consumption attribute information cached in the local library of the payment terminal correspond to each other.
As other implementation modes for obtaining the face feature value, a face authentication platform may also collect a face photo of the user, and extract the face feature value of the face photo by using a face recognition algorithm SDK.
The flow of implementing the off-line face payment method is shown in fig. 1, and comprises the following steps:
s1, when the user carries out off-line face payment on the payment terminal, the payment terminal captures a face photo of the current user through a camera carried by the payment terminal, and carries out face feature value extraction on the face photo of the current user through an embedded face recognition algorithm SDK to obtain a face feature value of the current user, wherein the face feature value is formed by combining numbers and characters.
S2, comparing the face characteristic value of the current user with the face characteristic value information of each user cached in the local library, if the face characteristic value information with the same face characteristic value of the current user exists, the comparison is successful, otherwise, the comparison is unsuccessful.
And S3, after the comparison is successful, extracting the identity information, account balance information and consumption attribute information corresponding to the current user from the local library according to the face feature information of the current user, and further judging the consumption capacity of the current user.
If the off-line face payment function is not opened by the current user, namely the off-line face payment function is not opened on the payment platform by the current user, the current user is considered to have no consumption capability. According to actual conditions, a person skilled in the art should understand that if the person in the factory area of the factory opens the offline face payment function according to the specification, the judgment on whether to open the offline face payment function is not set in the consumption attribute information, so that the calculated amount of the payment terminal is reduced, and the offline face payment efficiency is improved.
On the basis that the off-line face payment function of the current user is opened, if the amount of current consumption of the current user exceeds a preset single consumption limit, or the amount of current consumption does not exceed the single consumption limit, but the balance on an account is not less than the amount of current consumption and is not enough to finish payment, the current user is considered to have no payment capability; and when the amount of the current consumption of the current user is lower than the single consumption limit, or the amount of the current consumption is lower than the single consumption limit and lower than the account balance, the current user is considered to have the consumption capability.
The method comprises the steps of opening an offline face payment function by a current user, judging whether the total historical consumption amount of the current user in a certain time period exceeds a preset total offline consumption limit or not on the basis of judging that the current user has consumption capacity according to a single consumption limit, and setting time periods according to the dining time of the user, wherein the time periods are breakfast time periods, Chinese meal time periods and dinner time periods. For example, in the lunch time period (12 pm to 13 pm), if the sum of the historical total consumption amount and the current consumption amount that the user has paid out is greater than the offline consumption total limit, the current user is considered to have no consumption capability, otherwise, the current user is considered to have consumption capability. When the offline consumption total limit is set, the offline consumption total limit is set by time period division, and the offline consumption total limit can be set as the total limit which can be consumed by the user in a single day or the total limit which can be consumed by the user in a single dining time period.
The method comprises the steps of opening an offline face payment function by a current user, and judging whether the consumption times of the user in a certain time period exceed the preset single-person single-meal consumption times or not on the basis of judging that the current user has consumption capacity according to a single consumption limit and an offline consumption total limit. Taking the Chinese food time period as an example, if the current user consumes in the Chinese food time period and the number of times of successful consumption (meaning the situation of completing payment) exceeds the number of times of single-person single-food consumption, the current user is not allowed to continue consumption, that is, the current user is considered to have no consumption capability. The consumption attribute information is the consumption attribute information of the single meal consumption times, and the consumption attribute information is mainly suitable for the condition that the consumption amount of the user is fixed, namely the condition that the consumption amount of the user is related to the consumption times and is not related to consumption contents every time.
And opening an offline face payment function of the current user, and judging whether the current user has consumption capacity according to single consumption limit, offline consumption total limit and single meal consumption times, and whether the overdraft limit preset for the user meets the payment request of the current user or not. If the current consumption amount of the current user is lower than the overdraft limit, the current user has consumption capacity; or, calculating the sum of the account balance and the overdraft amount, and if the amount consumed this time is lower than the sum, then the current user can be considered to have the consumption capability.
In this embodiment, the consumption attribute information simultaneously adopts the judgment result of whether the user starts the offline face payment function, the single consumption limit, the offline consumption total limit and the single meal consumption times to judge the consumption capability of the current user. If the consumption attribute information includes only one or more of the determination result of whether the user starts the offline face payment function, the single consumption limit, the total offline consumption limit, and the single-person single-meal consumption times, a person skilled in the art should understand how to perform the consumption capability determination process after selecting and combining the consumption attribute information according to the embodiment.
If the consumption capacity of the current user is judged only by adopting the account balance information, comparing the consumption amount with the account balance, and if the account balance is larger than the consumption amount, determining that the current user has the consumption capacity.
In addition, the off-line consumption extension time can be preset to judge whether the user has the consumption capability. The method comprises the steps that timing is started after a payment terminal collects a face image of a current user, if the elapsed time exceeds the off-line consumption extension time, the payment terminal is considered to be difficult to find a face characteristic value matched with the current user when comparing the face characteristic value, and the current user is directly considered to have no consumption capacity at the moment, so that the payment efficiency is improved. The offline consumption extension time may be set according to the client requirement or the actual application scenario, and in this embodiment, the offline consumption extension time is set to 150 ms.
S4, after judging that the current user has the consumption capability according to the step S3, the payment terminal generates a consumption record according to the amount consumed this time and updates the account balance and the consumption attribute information; if the consumption relates to the overdraft limit, updating the overdraft limit of the current user. The updating method comprises the following steps: and (3) the account balance subtracts the current consumption amount, or the sum of the account balance and the overdraft amount subtracts the current consumption amount, and the single-person single-meal consumption times are increased by one, and the historical consumption total is updated. The consumption records are cached in a local library of the payment terminal so as to be uploaded to a payment platform for deduction and posting when networking is carried out, and the local library supports the storage of more than 10 thousands of consumption records. In addition, identity information of the current user is added into the consumption record so as to be convenient for being checked at the back end.
When the consumption record is generated, the success of consumption is prompted to the current user; if the overdraft limit is used when the consumption record is generated, overdraft alarm information is also fed back to the current user when the payment is successfully prompted to the current user so as to prompt the user to recharge.
And S5, when the payment terminal is networked, the payment terminal uploads the consumption records in the local library to the payment platform, the payment platform performs account entry processing according to the consumption records, and the balance on the fund account of the corresponding user is deducted to form the transaction record of the payment platform, so that the whole transaction process is completed.
The invention can be applied to places with relatively fixed personnel, such as factories, schools and the like, and when the face payment efficiency is influenced by poor network quality, the invention can effectively improve the efficiency of off-line face payment, and simultaneously can judge the consumption capability of the user according to different consumption attributes, thereby avoiding the situations of repeated fee deduction or malicious overdraft of the user and improving the reliability of payment.
Payment terminal embodiment:
the invention provides an off-line human face payment terminal which comprises an image acquisition device, a processor and a memory. The image acquisition device is a camera and is used for acquiring a face image of the user when the user pays. The memory stores a local library and a face recognition algorithm SDK, and when a user carries out offline face payment through an offline face payment terminal, the offline face payment method in the method embodiment is adopted.
Claims (9)
1. An off-line face payment method is characterized by comprising the following steps:
s1, when the user carries out off-line face payment at the payment terminal, the payment terminal collects the face image of the user and processes the face image by adopting a face recognition algorithm to obtain a face characteristic value;
s2, comparing the face characteristic value with face characteristic value information of each user pre-stored in the payment terminal;
s3, after the comparison is successful, extracting the account balance and the consumption attribute information of the corresponding user from the account balance and the consumption attribute information which are pre-stored in the payment terminal according to the face characteristic value;
s4, judging whether the user has the consumption ability or not according to the account balance and/or the consumption attribute information of the user;
and S5, if the user has the consumption capability, generating a consumption record corresponding to the user according to the consumption amount, and caching the consumption record in the payment terminal.
2. The offline face payment method according to claim 1, wherein the consumption attribute information includes at least one of a determination result of whether the user has started the offline face payment function, a single consumption limit, a total offline consumption limit, and a single-person single-meal consumption number, and a consumption capability determination condition is generated according to the consumption attribute information, the consumption capability determination condition includes at least one of the following determination conditions, and each determination condition and determination result is as follows:
judgment condition 1: if the user opens the face payment function, judging that the judgment result of the condition 1 is true, otherwise, judging that the judgment result of the condition 1 is false;
judgment condition 2: if the current consumption amount is lower than the single consumption limit, judging that the judgment result of the condition 2 is true, otherwise, judging that the judgment result of the condition 2 is false;
judgment condition 3: calculating the sum of the current consumption amount and the historical consumption total amount, wherein the historical consumption total amount is the consumed total amount of the user in a set time period; if the sum is lower than the offline consumption total limit, judging that the judgment result of the condition 3 is true, otherwise, judging that the judgment result of the condition 3 is false;
judgment condition 4: if the consumption times of the user in the set time period are lower than the consumption times of a single meal, judging that the judgment result of the condition 4 is true, otherwise, judging that the judgment result of the condition 4 is false;
and if the judgment result of the judgment condition in the consumption capacity judgment condition is true, the user has the consumption capacity, otherwise, the user does not have the consumption capacity.
3. The off-line human face payment method according to claim 1 or 2, wherein the consumption attribute information further includes an overdraft amount, and if the current consumption amount is lower than the overdraft amount, the user has a consumption capability; or calculating the sum of the account balance and the overdraft amount, and if the sum is higher than the consumption amount, the user has consumption capacity.
4. The off-line face payment method of claim 3, wherein the payment terminal further stores the identity information of each user in advance, and in step S5, the consumption record is generated according to the consumption amount and the pre-stored identity information of the user.
5. The offline face payment method according to claim 4, wherein the face feature information, account balance, consumption attribute information and identity information of each user pre-stored in the payment terminal are acquired when the payment terminal is online.
6. The offline face payment method of claim 4, wherein when the payment terminal is networked, the payment terminal uploads the cached consumption records and updates account balance and consumption attribute information of each user.
7. The offline face payment method according to claim 2, wherein the consumption attribute information and the account balance of the corresponding user are updated each time the consumption record of the corresponding user is generated.
8. The off-line face payment method of claim 1, wherein the consumption attribute information comprises an off-line consumption extension time, and in step S4, the method for determining whether the user has the consumption capability comprises: if the time elapsed after the payment terminal collects the current face image of the user is longer than the off-line consumption extension time, the user does not have the consumption capability.
9. An off-line face payment terminal is characterized by comprising an image acquisition device, a processor and a memory, wherein the image acquisition device is used for acquiring a face image of a user; the processor executing instructions in the memory to implement the offline face payment method of any of claims 1-8.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115600177A (en) * | 2022-10-09 | 2023-01-13 | 北京金和网络股份有限公司（Cn） | Identity authentication method and device, storage medium and electronic equipment |
| CN116385141A (en) * | 2023-03-23 | 2023-07-04 | 杭州青橄榄网络技术有限公司 | Overdraft limit management method based on user identity |
| CN117541317A (en) * | 2023-12-12 | 2024-02-09 | 湖南中科拓达信息科技有限公司 | Face recognition consumption distribution method and system based on data security |
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2021
- 2021-12-27 CN CN202111616316.XA patent/CN114358786A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115600177A (en) * | 2022-10-09 | 2023-01-13 | 北京金和网络股份有限公司（Cn） | Identity authentication method and device, storage medium and electronic equipment |
| CN115600177B (en) * | 2022-10-09 | 2024-04-16 | 北京金和网络股份有限公司 | Identity authentication method and device, storage medium and electronic equipment |
| CN116385141A (en) * | 2023-03-23 | 2023-07-04 | 杭州青橄榄网络技术有限公司 | Overdraft limit management method based on user identity |
| CN116385141B (en) * | 2023-03-23 | 2023-11-03 | 杭州青橄榄网络技术有限公司 | Overdraft limit management method based on user identity |
| CN117541317A (en) * | 2023-12-12 | 2024-02-09 | 湖南中科拓达信息科技有限公司 | Face recognition consumption distribution method and system based on data security |
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