CN107818375B - Service reservation method and system with flow guide function based on optical label - Google Patents
Service reservation method and system with flow guide function based on optical label Download PDFInfo
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- CN107818375B CN107818375B CN201711099416.3A CN201711099416A CN107818375B CN 107818375 B CN107818375 B CN 107818375B CN 201711099416 A CN201711099416 A CN 201711099416A CN 107818375 B CN107818375 B CN 107818375B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/02—Reservations, e.g. for tickets, services or events
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
Abstract
The invention discloses a service reservation method and a system with a flow guide function based on an optical label, comprising the following steps: positioning the handheld equipment requesting service through the optical label, and determining the current position of the handheld equipment; analyzing and predicting the time when a user carrying the handheld device arrives at a service area; the service request of the handheld device is planned in advance by utilizing the prediction analysis result, and the user carrying the handheld device is guided to the expected service area.
Description
Technical Field
The invention relates to a public facility service providing method, in particular to a service reservation method and a service reservation system with a flow guide function based on an optical label.
Background
In some large service facilities, the traffic is typically very large. For example: at the toll entrance of a tourist attraction, the entrants need to purchase and check tickets. Generally, due to the tedious queuing, paying, making change and checking ticket processes and the relatively slow processing, people always tend to enjoy services to the nearest service points, which all result in the congestion of people, and the congestion may cause a great deal of service problems and even cause severe safety incidents. Especially during holidays, this problem becomes very severe for some hot spot facilities, and thus solving the above congestion has become a key to a series of problems of travel service, social security, environmental protection, etc.
The main reason for congestion is that users must go to service points (ticket vending windows, etc.) in a relatively centralized manner, the queues are often long, and occupy a large amount of passage space to form plugs of people flow, so that people who request service (ticket buying) must be dispersed as much as possible to ensure that the passage is smooth. However, the traditional windowed service cannot solve the problem. Although the problems can be alleviated to a certain extent by adopting electronic ticketing, two-dimensional codes and the like, the problems are troubled by the problems of short acquisition distance, weak relevance between the identification code and the facility object (the entrance of a scenic spot and the optical label cannot be strictly correlated in position), poor safety anti-counterfeiting protection and the like, and the problems cannot be solved from the fundamental aspect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a service reservation method and a service reservation system with a flow guide function based on an optical label, wherein the method and the system have strong anti-counterfeiting performance and can realize the position association between a service area and the optical label.
In order to achieve the above object, the service reservation method with a flow guide function based on an optical label according to the present invention comprises:
positioning the handheld equipment requesting service through the optical label, and determining the current position of the handheld equipment;
analyzing and predicting the time when a user carrying the handheld device arrives at a service area;
and planning the service request of the handheld device in advance by using the prediction analysis result, and guiding the user carrying the handheld device to a desired service area.
And in each unit time interval T, the service reservation server generates a group of pseudo random numbers, and the pseudo random numbers are used as frame data to be updated and displayed through a data display light source of the optical label.
The camera of the handheld device acquires the image information of the optical label, identifies the positioning identification light source in the image information of the optical label, and determines the distance s between the optical label and the handheld device according to the positioning identification light source in the image information of the optical label, wherein,
wherein, the optical label includes a first positioning identification light source, a second positioning identification light source and a data display light source, f is the focal length of the camera in the handheld device, l1' identifying the length, l, of the light source imaged in the handheld device for a first location in the optical label1Identifying a length of the light source for a first location in the optical label; l2' identifying the length, l, of the light source imaged in the handheld device for a second location in the optical label2Identifying a length of the light source for a second location in the optical label;
when in use
The handheld device is on the right side of the front face of the optical label;
when in use
The handheld device is on the left side of the front face of the optical label;
when in use
The handset is directly in front of the optical label.
The service subscription server writes the pre-planned subscription service area into a request or ticket that is returned to the handset.
And when the user with the handheld device arrives at the service destination, the consistency check is carried out on the reserved service area in the request or the bill returned by the service reservation server and the service destination.
Time cost v of user arriving at ith service areaiComprises the following steps:
vi＝min0≤i≤n(σ·pi+μ·si)
wherein p isiFor the number of people currently queued at the ith service area, siAnd sigma and mu are adjustment coefficients of the distance between the current handheld device and the ith service area, wherein sigma is more than 0, and mu is less than or equal to 1.
The service reservation system with the flow guide function based on the optical label comprises:
the service server is used for providing service for the handheld equipment;
the service reservation server is used for positioning the handheld equipment requesting service through the optical label, determining the current position of the handheld equipment, analyzing and predicting the time when the user carrying the handheld equipment arrives at the service area, planning the service request of the handheld equipment in advance by using a prediction analysis result, and guiding the user carrying the handheld equipment to the expected service area;
an optical label for displaying service data;
a handheld device for scanning an optical label;
and the data connection network equipment and the network are used for connecting the service server, the service reservation server, the optical label and the handheld equipment and carrying out data interaction.
And in each unit time interval T, the service reservation server generates a group of pseudo random numbers, and the pseudo random numbers are used as frame data to be updated and displayed through a data display light source in the optical label.
The camera of the handheld device acquires the image information of the optical label, identifies the positioning identification light source in the image information of the optical label, and determines the distance s between the optical label and the handheld device according to the positioning identification light source in the image information of the optical label, wherein,
wherein, the optical label includes a first positioning identification light source, a second positioning identification light source and a data display light source, f is the focal length of the camera in the handheld device, l1' identifying the length, l, of the light source imaged in the handheld device for a first location in the optical label1Identifying a length of the light source for a first location in the optical label; l2' identifying the length, l, of the light source imaged in the handheld device for a second location in the optical label2Identifying a length of the light source for a second location in the optical label;
when in use
The handheld device is on the right side of the front face of the optical label;
when in use
The handheld device is on the left side of the front face of the optical label;
when in use
The handset is directly in front of the optical label.
The service reservation server writes the result of the service area reservation formed by the planning into a request or a bill which is returned to the handheld device.
And after the user carrying the handheld device arrives at the service destination, carrying out consistency check on the reserved service area in the request or the bill returned by the service reservation server and the current service destination.
Service reservation server for the time cost v of user arriving at ith service areaiCalculated according to the following formula:
vi＝min0≤i≤n(σ·pi+μ·si)
wherein p isiFor the number of people currently queued at the ith service area, siAnd sigma and mu are adjustment coefficients of the distance between the current handheld device and the ith service area, wherein sigma is more than 0, and mu is less than or equal to 1.
The invention has the following beneficial effects:
when the service reservation method and the service reservation system with the flow guide function based on the optical label are specifically operated, the service reservation server generates a group of pseudo random numbers at each unit time interval T, the pseudo random numbers are used as frame data to be displayed through the optical label, the user handheld device scans the optical label to obtain the position information of the handheld device, and meanwhile, the service server improves the anti-counterfeiting performance of the service by verifying the consistency between the data frame of the optical label obtained by the handheld device and the time when the optical label is scannedForce. Meanwhile, the time cost v of the user arriving at the service area is calculated according to the position information of the handheld device, and the sequence number i of the corresponding service area when the time cost is minimum is obtainedoptWhen the user is in the service area, the ith is selectedoptThe service area is provided, so that the position association between the service area and the optical label is realized, the service channel is smooth, and the congestion is avoided.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a flow chart of the present invention;
wherein, 1 is a handheld device, 2 is a service reservation server, 3 is an optical label, 4 is a current service destination, and 5 is a service server.
FIG. 3 is a schematic diagram of an optical label according to the present invention;
wherein 31 is a light label lining plate, 32 is a light label first positioning identification light source, 33 is a light label second positioning identification light source, 34 is a light label data light source, 35 is a light label warning light source, and 36 is a fixing bolt hole.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the service reservation method with a flow guide function based on an optical label according to the present invention includes:
positioning the handheld device 1 which requests service through the optical label 3, and determining the current position of the handheld device 1;
analyzing and predicting the time when the user carrying the handheld device 1 arrives at the service area;
and planning the service request of the handheld device 1 in advance by using the prediction analysis result, and guiding the user carrying the handheld device 1 to a desired service area.
At each unit time interval T, the service reservation server 2 generates a set of pseudo random numbers, and updates and displays the pseudo random numbers as frame data by the data display light source of the optical tag 3.
The camera of the handheld device 1 acquires the image information of the optical label 3, identifies the positioning identification light source in the image information of the optical label 3, and determines the distance s between the optical label 3 and the handheld device 1 according to the positioning identification light source in the image information of the optical label 3, wherein,
wherein, the optical label comprises a first positioning identification light source, a second positioning identification light source and a data display light source, f is the focal length of the camera in the handheld device 1, l1' identifying the length of the light source imaged in the handheld device 1 for a first location in the optical label 3,/1The length of the light source is identified for a first location in the optical label 3; l2' identifying the length, l, of the light source imaged in the handheld device 1 for the second location in the optical label 32The length of the light source is identified for the second location in the optical label 3;
when in use
The handheld device 1 is to the right of the front side of the optical label 3;
when in use
The handheld device 1 is to the left of the front of the optical label 3;
when in use
The handset 1 is directly in front of the optical label 3.
The service subscription server 2 writes the pre-planned subscription service area into a request or ticket that is returned to the handset 1.
The user carrying the handheld device 1 arrives at the service destination 4 and checks the consistency of the reserved service area in the request or ticket returned by the service reservation server with the service destination.
Time cost v of user arriving at ith service areaiComprises the following steps:
vi＝min0≤i≤n(σ·pi+μ·si)
wherein p isiFor the number of people currently queued at the ith service area, siAnd sigma and mu are adjustment coefficients of the distance between the current handheld device 1 and the ith service area, wherein sigma is more than 0, and mu is less than or equal to 1.
The service reservation system with the flow guide function based on the optical label comprises:
the service server 5 is used for providing service services for the handheld device 1;
the service reservation server 2 is used for positioning the handheld device 1 requesting service through the optical label 3, determining the current position of the handheld device 1, analyzing and predicting the time when the user carrying the handheld device 1 arrives at the service area, planning the service request of the handheld device 1 in advance by using the prediction analysis result, and guiding the user carrying the handheld device 1 to the expected service area;
an optical label 3 for displaying service data;
the handheld device 1 is used for scanning the optical label and uploading the scanning data;
and the data connection network equipment and the network are used for connecting the business server 5, the service reservation server 2, the optical label 3 and the handheld equipment 1 and carrying out data interaction.
At each unit time interval T, the service reservation server 2 generates a set of pseudo random numbers, and updates and displays the pseudo random numbers as frame data by the data display light source in the optical tag 3.
The camera of the handheld device 1 acquires the image information of the optical label 3, identifies the positioning identification light source in the image information of the optical label 3, and determines the distance s between the optical label 3 and the handheld device 1 according to the positioning identification light source in the image information of the optical label 3, wherein,
wherein, the optical label comprises a first positioning identification light source, a second positioning identification light source and a data display light source, and f is a camera in the handheld device 1Focal length of the head, l1' identifying the length of the light source imaged in the handheld device 1 for a first location in the optical label 3,/1The length of the light source is identified for a first location in the optical label 3; l2' identifying the length, l, of the light source imaged in the handheld device 1 for the second location in the optical label 32The length of the light source is identified for the second location in the optical label 3;
when in use
The handheld device 1 is to the right of the front side of the optical label 3;
when in use
The handheld device 1 is to the left of the front of the optical label 3;
when in use
The handset 1 is directly in front of the optical label 3.
The service booking server 2 writes the result of the planned booking of the service area into a request or ticket which is returned to the handheld device 1.
When the user carrying the handheld device 1 arrives at the service destination 4, the consistency check is carried out on the reserved service area in the request or the bill returned by the service reservation server 2 and the current service destination 4.
The service reservation server 2 charges the user to the time v of the ith service areaiCalculated according to the following formula:
vi＝min0≤i≤n(σ·pi+μ·si)
wherein p isiFor the number of people currently queued at the ith service area, siAnd sigma and mu are adjustment coefficients of the distance between the current handheld device 1 and the ith service area, wherein sigma is more than 0, and mu is less than or equal to 1.
Example one
The specific application process of the service reservation method in the invention is as follows:
a certain scenic spot holds a new spring light meeting, numerous tourists admire names, a user U takes a vehicle to arrive at a scenic spot square, the user U walks to an entrance for ticket purchase through an optical label 3, the optical label 3 is arranged at a remarkable position of the scenic spot and is interconnected with a scenic spot service reservation server through a network, and the service reservation server generates a random number in real time to serve as frame data of the optical label 3; the optical label 3 displays the frame data; user U scans optical label 3 using a personal smart phone, whose phone identification number 76 xxx x 4; the smart phone positions the U itself based on the first positioning identification light source and the second positioning identification light source of the optical label 3 in the image to obtain that the user U is located 220 meters on the right side of the optical label 3; and further identifying the content of the optical label 3 to obtain optical label frame data D and acquisition time t, where the values are: d ═ 10 … 1011, t ═ 20170205185634;
the user is connected to the service reservation server through the url in the content D, and the D and the t are submitted to the service reservation server; the service reservation server verifies the consistency of the D and the t; after the verification is passed, submitting the ticket buying request to a ticket buying service server to complete the transaction, returning a transaction code of 4546EADC0 to the service reservation server by the ticket buying service server, and then recommending the user U to enter the scenic spot from the entrance of No. 8 through planning and calculating by the service reservation server; the service reservation server generates 265456 a random number m, and generates a record of the transaction code, D, t, m, ID, and the entry number, as shown in table 1:
TABLE 1
| 888 | 4546EADC0 | {10…1011} | 20170205185634 | 265456 | 76×××4 | 8 |
4546EADC0, {10 … 1011}, 20170205185634, 265456, 76 xxx x 4 and 8 are connected, then input into a Hash function to obtain an authentication code 123525184926, and then the service reservation server sends the authentication code to the mobile phone of the user U to finish ticket buying;
when user U enters the scene, it comes to the "8" number entry and presents the authentication code 123525184926; the code reader connected with the service reservation server network searches 888 records in the service reservation server according to the identification number 76 xxx x 4 of the mobile phone of the user U, connects 4546EADC0, {10 … 1011}, 20170205185634, 265456, 76 xxx x 4 and 8, and inputs the connection into a Hash function to obtain an authentication code 123525184926, wherein the authentication code is completely consistent with the authentication code provided by the user U, so that an authentication success message is sent to the user U, and the user U is enabled to pass through and finish the process.
Example two
The application process of the service reservation system comprises the following steps:
a large fast food S provides takeout service, a square is arranged in front of a door, and a light label is arranged in front of the door; at the peak of eating at noon, a plurality of users go to a fast food restaurant by walking on a square to prepare to buy meals; in order to save time, a user purchases food through the optical label in the process of moving to S, and U uses the personal smart phone to scan the optical label, wherein the identification number of the mobile phone is 76 x 4; the smart phone positions the smart phone based on the first positioning identification light source and the second positioning identification light source of the optical label 3 in the image, and is 150 meters in front of the optical label; and then the smart phone identifies the content of the optical label, and the obtained optical label frame D and the acquisition time t are respectively as follows: d ═ 10 … 1011, and t ═ 20170205185634.
The smart phone is connected with the service reservation server through url content in the D; the service reservation server verifies the consistency of the D and the t; after the verification is passed, the service reservation server and the service server interact to complete the transaction, and the transaction code is 4546EADC 0; then the service reservation server calculates and recommends the user U to take the meal from the window No. 6 according to the current number of people who queue and the position distance of U; the service reservation server generates 265456 a random number m, and generates a record of the transaction code, D, t, m, ID, and the entry number, as shown in table 2:
TABLE 2
| 888 | 4546EADC0 | {10…1011} | 20170205185634 | 265456 | 76×××4 | 6 |
The service reservation server inputs the group of data of 4546EADC0, {10 … 1011}, 20170205185634, 265456, 76 xxx 4 and 6 into a Hash function to obtain an authentication code 123343184926, and then sends the authentication code to a mobile phone of a user U to complete the purchase of food;
when user U enters the restaurant, it comes to the "6" number entry and presents the authentication code 123343184926; the system reads the authentication code and uploads the authentication code to the service reservation server, finds 888 records in the database according to the identification number 76 xxx x 4 of the mobile phone of the user U, connects 4546EADC0, 10 … 1011, 20170205185634, 265456, 76 xxx x 4 and 6, and inputs the connection into a Hash function to obtain the authentication code 123343184926, wherein the verification code is completely consistent with the authentication code provided by the user U, so that the restaurant-keeper is indicated to issue the food ordered by the U and is finished.
Claims (10)
1. A service reservation method with a flow guiding function based on an optical label is characterized by comprising the following steps:
positioning the handheld device (1) which requests service through the optical label (3), and determining the current position of the handheld device (1);
analyzing and predicting the time when a user carrying the handheld device (1) arrives at a service area;
the service request of the handheld device (1) is planned in advance by utilizing the prediction analysis result, and a user carrying the handheld device (1) is guided to a desired service area;
a camera of the handheld device (1) acquires image information of the optical label (3), then identifies a positioning identification light source in the image information of the optical label (3), and then determines a distance s between the optical label (3) and the handheld device (1) according to the positioning identification light source in the image information of the optical label (3), wherein,
wherein the optical label comprises a first positioning identification light source, a second positioning identification light source and a data display light source, f is the focal length of the camera in the handheld device (1), l1' identifying the length of the light source imaged in the handheld device (1) for a first location in the optical label (3)/1Identifying a length of the light source for a first location in the optical label (3); l2' identifying the length of the light source imaged in the handheld device (1) for a second location in the optical label (3)/2Identifying a length of the light source for a second location in the optical label (3);
when in use
The hand-held device (1) is in lightThe right side of the front surface of the label (3);
when in use
The handheld device (1) is arranged on the left side of the front face of the optical label (3);
when in use
The handheld device (1) is directly in front of the optical label (3).
2. The method for reserving service with guiding function based on optical label as claimed in claim 1, wherein the service reservation server (2) generates a group of pseudo random numbers per unit time interval T, and updates and displays the pseudo random numbers as frame data by the data display light source of the optical label (3).
3. An optical label-based service subscription method with a guide function according to claim 1, characterized in that the service subscription server (2) writes the pre-planned subscription service area into a request or ticket returned to the handheld device (1).
4. The optical label-based service subscription method with guiding function according to claim 3, characterized in that, the user carrying the handheld device (1) arrives at the service destination (4), and the consistency check is performed between the subscription service area in the request or ticket returned by the service subscription server and the service destination.
5. The method of claim 4, wherein the time cost v for the user to reach the ith service areaiComprises the following steps:
vi＝mim0≤i≤n(σ·pi+μ·si)
wherein p isiFor the number of people currently queued at the ith service area, siFor the current hand-held device (1) andthe distance between the ith service area, sigma and mu are adjustment coefficients, wherein sigma is more than 0 and mu is less than or equal to 1.
6. An optical label-based service reservation system with a diversion function, comprising:
the service server (5) is used for providing service for the handheld device (1);
the service reservation server (2) is used for positioning the handheld device (1) requesting service through the optical label (3), determining the current position of the handheld device (1), analyzing and predicting the time when the user carrying the handheld device (1) arrives at a service area, planning the service request of the handheld device (1) in advance by using the prediction analysis result, and guiding the user carrying the handheld device (1) to the expected service area;
an optical label (3) for displaying service data;
the handheld device (1) is used for scanning the optical label and uploading the scanning data;
the data connection network equipment and the network are used for connecting the business server (5), the service reservation server (2), the optical label (3) and the handheld equipment (1) and performing data interaction;
a camera of the handheld device (1) acquires image information of the optical label (3), then identifies a positioning identification light source in the image information of the optical label (3), and then determines a distance s between the optical label (3) and the handheld device (1) according to the positioning identification light source in the image information of the optical label (3), wherein,
wherein the optical label comprises a first positioning identification light source, a second positioning identification light source and a data display light source, f is the focal length of the camera in the handheld device (1), l1' identifying the length of the light source imaged in the handheld device (1) for a first location in the optical label (3)/1Identifying a length of the light source for a first location in the optical label (3); l2' identifying the light source in the hand for the second location in the light label (3)Length of the image formed in the apparatus (1) /)2Identifying a length of the light source for a second location in the optical label (3);
when in use
The handheld device (1) is arranged on the right side of the front surface of the optical label (3);
when in use
The handheld device (1) is arranged on the left side of the front face of the optical label (3);
when in use
The handheld device (1) is directly in front of the optical label (3).
7. The optical label-based service reservation system with guiding function according to claim 6, wherein the service reservation server (2) generates a set of pseudo random numbers per unit time interval T, and updates and displays the pseudo random numbers as frame data by the data display light source in the optical label (3).
8. The optical label-based service subscription system with guide function according to claim 6, wherein the service subscription server (2) writes the result of the service region subscription formed by the planning into a request or a ticket returned to the handheld device (1).
9. The optical label-based service reservation system with guiding function according to claim 6, characterized in that after the user carrying the handheld device (1) arrives at the service destination (4), the consistency check is performed on the reserved service area in the request or ticket returned by the service reservation server (2) and the current service destination (4).
10. The optical label-based service subscription system with flow guide function as claimed in claim 6, whereinThen, the service reservation server (2) determines the time cost v of the user arriving at the ith service areaiCalculated according to the following formula:
vi＝min0≤i≤n(σ·Pi+μ·si)
wherein p isiFor the number of people currently queued at the ith service area, siAnd sigma and mu are adjustment coefficients of the distance between the current handheld device (1) and the ith service area, wherein sigma is more than 0, and mu is less than or equal to 1.
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| CN110942115A (en) * | 2018-09-25 | 2020-03-31 | 北京外号信息技术有限公司 | Service providing method and system based on optical label |
| CN112535392B (en) * | 2019-09-20 | 2023-03-31 | 北京外号信息技术有限公司 | Article display system based on optical communication device, information providing method, apparatus and medium |
| TWI741588B (en) * | 2020-05-05 | 2021-10-01 | 光時代科技有限公司 | Optical communication device recognition method, electric device, and computer readable storage medium |
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