CN114155801A - Novel multimedia electronic tour guide method and system - Google Patents
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Abstract
The application discloses novel multimedia electronic tour guide method and system, the novel multimedia electronic tour guide method comprises the following steps: and comparing the density data of the prior tourists in different areas or routes with the density threshold required by epidemic situation prevention and control according to a period to calculate the number of the receivable new tourists in the corresponding areas or routes, and taking the number of the receivable new tourists as a reference requirement to carry out diversion guidance on redundant tourists. The novel multimedia electronic tour guide system comprises sensors which are distributed in different areas or routes of a scenic spot, and further comprises an analog-digital conversion unit, a people flow statistical unit, a calculation unit, a storage unit, a data input unit and a navigation unit, wherein the sensors are electrically connected with the people flow statistical unit through the digital-analog conversion unit, and the people flow statistical unit, the storage unit, the data input unit and the navigation unit are electrically connected with the calculation unit.
Description
Technical Field
The invention relates to the field of tour guide, in particular to a novel multimedia electronic tour guide method and system.
Background
Although the electronic tour guide technology in the prior art is developed faster, the electronic tour guide technology is also more normalized as a whole, for example, the prior patent technology CN201910021213.5 discloses a smart tour guide device, which includes a display screen, function keys, a speaker, a signal transceiver, a camera and a controller, wherein the display screen is used for displaying a scenic spot map, positions of each scenic spot in the scenic spot, scenic spot congestion information and visiting routes, the speaker is used for playing introduction voice of the scenic spot, the signal transceiver is used for receiving feedback information of the scenic spot tour guide system and sending a scenic spot photo or video shot by a visitor to the scenic spot tour guide system, the feedback information includes congestion information of each scenic spot in the scenic spot, recommendation degree of each scenic spot and historical people information of each scenic spot in different time periods, the controller is connected with the display screen, the function keys, the speaker, the signal transceiver and the camera, and congestion information of each scenic spot in the scenic spot is real-time performed by a monitor provided for each scenic spot in the scenic spot tour guide system And (5) collecting.
In recent years, epidemic prevention and control situations are severe, particularly tourism under the influence of new coronary pneumonia is seriously created, and the condition of virus aggregation infection in tourist attractions is more and more, so that how to enable the epidemic virus infection prevention and control technology to the existing electronic tour guide technology and prevent the virus aggregation infection in scenic spots becomes an important subject.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a novel multimedia electronic tour guide method and system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the novel multimedia electronic tour guide method comprises the following steps: and comparing the density data of the prior tourists in different areas or routes with the density threshold required by epidemic situation prevention and control according to a period to calculate the number of the receivable new tourists in the corresponding areas or routes, and taking the number of the receivable new tourists as a reference requirement to carry out diversion guidance on redundant tourists.
Further, the density data of the prior tourists in different areas or routes is weighted and calculated according to the weather conditions of the corresponding areas or routes and the epidemic situation prevention, control and disinfection conditions, specifically, the influence relationship of the weather conditions on the virus propagation is determined firstly, particularly, the influence function relationship of the weather conditions on the virus propagation can be quantitatively determined, then, the influence relationship of the epidemic situation prevention, control and disinfection on the virus propagation is determined, particularly, the influence function relationship of the epidemic situation prevention, control and disinfection on the virus propagation can be quantitatively determined, then, the comprehensive influence of the influence function on the virus propagation is quantitatively determined, and the equivalent density data of the tourists in different areas or routes is weighted and calculated according to the comprehensive influence on the virus propagation.
Further, the diversion guidance for redundant tourists based on the number of the receivable new tourists is specifically configured in the diversion guidance according to the priority of the selection tendency of the tourists for the tourist areas or routes. Further, the split flow guiding scheme has necessary schemes and optional schemes.
Further, the density data of the prior tourists in different areas or routes is weighted and calculated according to the weather conditions of the corresponding areas or routes and epidemic situation prevention, control and disinfection conditions, and particularly, the influence relation of the weather conditions on virus propagation is determined firstly, and particularly, the influence function relation of the weather conditions on the virus propagation can be quantitatively determined: f1 is k (w + c), wherein w is an influence quantitative value corresponding to wind power, c is an influence quantitative value corresponding to temperature, and k is an influence quantitative value corresponding to weather type; then determining the influence relationship of epidemic prevention, control, elimination and killing on virus propagation, particularly quantitatively determining the influence function relationship of epidemic prevention, control, elimination and killing on virus propagation
Where hi is the time per disinfection, where pi is the concentration per disinfection, and where g is a coefficient for parameter normalization; then, according to the influence function relationship, quantitatively determining the comprehensive influence function relationship f3 of the virus to the virus propagation: firstly, calculating a curve f1-t of f1 to a time coordinate, then calculating a curve f2-t of f2 to the time coordinate, and then calculating the convolution of f2-1 and f2-t, namely f 3; the equivalent "density data of the tourists in different areas or routes" is weighted according to the above-mentioned combined influence f3 on the virus propagation: first, a specific value of f3 is determined from the time coordinate, and if the original density value corresponding to the "density data of the tourists in different areas or routes" is m, f3 m is the density value corresponding to the equivalent "density data of the tourists in different areas or routes" and specifically the equivalent "density data of the tourists in different areas or routes".
Further, the density data of the tourists in different areas or routes in the previous period are acquired by various sensors distributed in the scenic spot in a novel multimedia electronic tour guide system at the background of the scenic spot.
Furthermore, the shunting and guiding of redundant tourists are realized through a novel multimedia electronic tour guide system. A novel multimedia electronic guide system comprises sensors distributed in different areas or routes of a scenic spot, an analog-to-digital conversion unit, a people flow statistical unit, a calculation unit, a storage unit, a data input unit and a navigation unit, wherein the sensors are electrically connected with the people flow statistical unit through the digital-to-analog conversion unit; the navigation unit is also electrically connected with an audio control device, and the audio control device is electrically connected with a loudspeaker; the sensor is used for acquiring people stream sensing signals of different areas or routes of a scenic spot, and the analog-to-digital conversion unit is used for converting the people stream sensing signals into digital signals and acquiring people flow data in a period through the people stream counting unit; the people flow statistical unit is used for calculating density data of the tourists in different areas or routes according to the people flow data in a period and by combining the corresponding areas or routes, and sending the density data of the tourists in the different areas or routes to the calculating unit; the data input unit is used for supporting the input of data corresponding to the weather conditions and epidemic prevention, control and disinfection conditions of different areas or routes in the scenic spot; the storage unit at least stores data corresponding to the density threshold required by epidemic situation prevention and control; the computing unit is used for comparing the density data of the prior tourists in different areas or routes with the density threshold value required by epidemic situation prevention and control according to a period to compute the number of the new tourists capable of being accommodated in the corresponding areas or routes; the navigation unit generates navigation data for tourists in the next time period according to the number of new tourists capable of being accommodated in different areas or routes, and generates corresponding navigation video data and navigation audio data; the video control equipment is used for controlling navigation video data to be output on the spliced large-screen display after being processed by the distributor and the matrix converter; the audio control device is used for controlling the navigation audio data to be played on the loudspeaker.
Further, the calculating unit is also used for weighting and calculating the density data of the tourists in different areas or routes according to the density data of the tourists in different areas or routes in a period and the data corresponding to the weather conditions and epidemic situation prevention, control and disinfection conditions of the tourists in different areas or routes in the scenic spot.
The invention has the advantages that the invention simultaneously realizes the infection prevention and control of the epidemic virus and the basic scenic spot electronic guide through the multimedia electronic guide system and the method, generates the navigation data aiming at the tourists in the next time period according to the number of the new tourists which can be accommodated in different areas or routes, and generates the corresponding navigation video data and navigation audio data, thereby avoiding the virus gathering infection problem in the scenic spot.
Drawings
Fig. 1 is a circuit diagram of the multimedia electronic tour guide system according to the present invention.
Fig. 2 is a reference example of a navigation map output from a tiled large screen display of the novel multimedia electronic tour guide system according to the present application. The invention is further illustrated with reference to the following figures and examples.
Detailed Description
In specific implementation, as shown in fig. 1, the novel multimedia electronic tour guide system in the present application includes sensors distributed in different areas or routes of a scenic spot, and further includes an analog-to-digital conversion unit, a people flow statistic unit, a calculation unit, a storage unit, a data input unit, and a navigation unit, where the sensors are electrically connected to the people flow statistic unit through the analog-to-digital conversion unit, the people flow statistic unit, the storage unit, the data input unit, and the navigation unit are all electrically connected to the calculation unit, the navigation unit is also electrically connected to a video control device, the video control device is electrically connected to a distributor, the distributor is electrically connected to a matrix converter, and the matrix converter is electrically connected to a tiled large screen display; the navigation unit is also electrically connected with an audio control device, and the audio control device is electrically connected with a loudspeaker; the sensor is used for acquiring people stream sensing signals of different areas or routes of a scenic spot, and the analog-to-digital conversion unit is used for converting the people stream sensing signals into digital signals and acquiring people flow data in a period through the people stream counting unit; the people flow counting unit is used for calculating density data of the tourists in different areas or routes according to the people flow data in a period and corresponding areas or routes, and sending the density data of the tourists in the different areas or routes to the calculating unit. The data input unit is used for supporting the input of data corresponding to the weather conditions of different areas or routes in the scenic spot and the epidemic prevention, control and disinfection conditions. The storage unit at least stores data corresponding to the density threshold required by epidemic situation prevention and control. The calculating unit is used for comparing the density data of the prior tourists in different areas or routes with the density threshold value required by epidemic situation prevention and control according to a period to calculate the number of the new tourists capable of being accommodated in the corresponding areas or routes. The navigation unit generates navigation data for tourists in a later time period according to the number of new tourists capable of being accommodated in different areas or routes, and generates corresponding navigation video data and navigation audio data. The video control equipment is used for controlling navigation video data to be output on the spliced large-screen display after being processed by the distributor and the matrix converter. The audio control device is used for controlling the navigation audio data to be played on the loudspeaker.
In specific implementation, the sensor can be realized by a people flow detection statistical device or an electromechanical combined sensor with cooperation of the existing multiple sensors, and the analog-to-digital conversion unit, the people flow statistical unit, the calculation unit, the storage unit and the navigation unit can all be integrated in an application layer of a PC (personal computer), the sensor can be electrically connected with the PC through interfaces such as a USB (universal serial bus) and the like so as to specifically realize the electrical connection between the sensor and the analog-to-digital conversion unit, the analog-to-digital conversion unit can also be arranged outside the PC, and the sensor can be realized through a conventional single chip microcomputer or an analog-to-digital conversion circuit; the data input unit can be realized by the input device of a conventional PC, and the audio control device and the video control device can also be integrated in the PC in a preferred implementation, in particular to an application layer of the PC.
In the specific implementation, the sensors acquire people stream sensing signals of different areas or routes in a scenic spot, the analog-to-digital conversion unit converts the people stream sensing signals into digital signals and the people stream statistical unit acquires people flow data in a period; the people flow statistical unit calculates density data of the tourists in different areas or routes according to the people flow data in the period and the corresponding areas or routes, and sends the density data of the tourists in the different areas or routes to the calculating unit; before the steps, a user inputs the weather conditions of different areas or routes in a scenic spot and the data corresponding to epidemic prevention, control and disinfection conditions through a data input unit; the storage unit stores data corresponding to the density threshold required by epidemic situation prevention and control; the calculating unit compares the density data of the prior tourists in different areas or routes with the density threshold value required by epidemic situation prevention and control according to a period to calculate the number of the new tourists capable of being accommodated in the corresponding areas or routes; the navigation unit generates navigation data for the tourists in the next time period according to the number of the new tourists which can be accommodated in different areas or routes.
The navigation unit generates navigation data aiming at the tourists in the next time period according to the number of the new tourists which can be accommodated in different areas or routes, and generates corresponding navigation video data and navigation audio data.
Then, the video control equipment controls the navigation video data to be output on the spliced large-screen display after being processed by the distributor and the matrix converter.
The audio control device is used for controlling the navigation audio data to be played on the loudspeaker.
In a specific implementation, the calculating unit is further configured to calculate the density data of the tourists in different areas or routes according to the density data of the tourists in different areas or routes in a period and the data corresponding to the weather conditions and epidemic situation prevention, control and disinfection conditions of the tourists in different areas or routes in the scenic spot in a weighting manner.
In the specific implementation, the sensors acquire people stream sensing signals of different areas or routes in a scenic spot, the analog-to-digital conversion unit converts the people stream sensing signals into digital signals and the people stream statistical unit acquires people flow data in a period; the people flow statistical unit calculates density data of the tourists in different areas or routes according to the people flow data in the period and the corresponding areas or routes, and sends the density data of the tourists in the different areas or routes to the calculating unit; before the steps, a user inputs the weather conditions of different areas or routes in a scenic spot and the data corresponding to epidemic prevention, control and disinfection conditions through a data input unit; the storage unit stores data corresponding to the density threshold required by epidemic situation prevention and control; the calculating unit calculates the density data of the tourists in different areas or routes according to the density data of the tourists in different areas or routes in a period, the weather conditions of the different areas or routes in a scenic spot and the data corresponding to the epidemic situation prevention, control and disinfection conditions in a weighted mode, and then compares the epidemic situation prevention and control requirement density threshold value to calculate the number of the new tourists capable of being accommodated in the corresponding areas or routes; the navigation unit generates navigation data for the tourists in the next time period according to the number of the new tourists which can be accommodated in different areas or routes.
The method and the system simultaneously realize the infection prevention and control of the epidemic viruses and the basic scenic spot electronic guide through the multimedia electronic guide system and the method, generate navigation data aiming at tourists in the next time period according to the number of new tourists capable of being accommodated in different areas or routes, and generate corresponding navigation video data and navigation audio data, thereby avoiding the virus gathering infection problem in the scenic spot.
In the implementation, a novel multimedia electronic tour guide method in the present application includes the steps of: and comparing the density data of the prior tourists in different areas or routes with the density threshold required by epidemic situation prevention and control according to a period to calculate the number of the receivable new tourists in the corresponding areas or routes, and taking the number of the receivable new tourists as a reference requirement to carry out diversion guidance on redundant tourists.
The density data of the prior tourists in different areas or routes is weighted and calculated according to the weather conditions of the corresponding areas or routes and the epidemic situation prevention and control killing conditions, specifically, the influence relationship of the weather conditions on the virus propagation is determined firstly, particularly, the influence function relationship of the weather conditions on the virus propagation can be quantitatively determined, then, the influence relationship of the epidemic situation prevention and control killing on the virus propagation is determined, particularly, the influence function relationship of the epidemic situation prevention and control killing on the virus propagation can be quantitatively determined, then, the comprehensive influence of the influence function on the virus propagation is quantitatively determined according to the influence function, and the equivalent density data of the tourists in different areas or routes is weighted and calculated according to the comprehensive influence on the virus propagation.
The density data of the prior tourists in different areas or routes is weighted and calculated according to the weather conditions of the corresponding areas or routes and epidemic situation prevention, control and disinfection conditions, more specifically, the influence relationship of the weather conditions on virus propagation is determined firstly, and particularly, the influence function relationship of the weather conditions on the virus propagation can be quantitatively determined: f1 is k (w + c), wherein w is an influence quantitative value corresponding to wind power, c is an influence quantitative value corresponding to temperature, and k is an influence quantitative value corresponding to weather type; then determining the influence relationship of epidemic prevention, control, elimination and killing on virus propagation, particularly quantitatively determining the influence function relationship of epidemic prevention, control, elimination and killing on virus propagation:
where hi is the time per disinfection, where pi is the concentration per disinfection, and where g is a coefficient for parameter normalization; then, according to the influence function relationship, quantitatively determining the comprehensive influence function relationship f3 of the virus to the virus propagation: firstly, calculating a curve f1-t of f1 to a time coordinate, then calculating a curve f2-t of f2 to the time coordinate, and then calculating the convolution of f2-1 and f2-t, namely f 3; the equivalent "density data of the tourists in different areas or routes" is weighted according to the above-mentioned combined influence f3 on the virus propagation: firstly, the specific value of f3 is determined by the time coordinate, if the original density value corresponding to the density data of the tourists in different areas or routes is m, then f3 m is equivalent to the density data of the tourists in different areas or routesThe density data of the route "and in particular the equivalent" density data of the guest in different areas or routes "corresponds to a density value.
In a preferred implementation, the density data of the tourists in the previous period in different areas or routes are originally acquired by various sensors distributed in the scenic area in a novel multimedia electronic tour guide system at the background of the scenic area.
In an optimal implementation, the diversion and guidance of redundant tourists is realized through a novel multimedia electronic tour guide system, for example, a specific video control device controls navigation video data to be output on a spliced large-screen display after being processed by a distributor and a matrix converter, the image navigation diversion is performed, an audio control device is used for controlling navigation audio data to be played on a loudspeaker, and the audio navigation diversion is performed.
The diversion guidance method is characterized in that the diversion guidance for redundant tourists is required by taking the number of the receivable new tourists as a reference, and a specific diversion guidance scheme is configured in the diversion guidance according to the priority of the selection tendency of the tourists for the tourists in the touring area or the route.
If there are different areas or routes and there is surplus, the flow is guided according to the selection tendency of the tourist for the touring area or route, that is, for a later tourist, if there are several areas or routes which can be selected, the tourist can select the specific touring area or route. The description is given with reference to the specific embodiments: for example, the navigation map shown in fig. 2 is a navigation map output on a tiled large-screen display, the black line in the map is a playable route, and the value on the playable route in the map is the number of new tourists that can be accommodated by the corresponding route, that is, for a subsequent tourist, a plurality of routes can be selected: such as the route: a-b-c-d; a-b-g-f-i-e-k-j; a-b-c-f-i-e-k-j; but if for the next 2 guests (guests asked to come together), the route could be chosen: a-b-g-f-i-e-k-j; a-b-c-f-i-e-k-j; if for the next 10 guests (guests asked to come together), the route that can be selected: a-b-c-f-i-e-k-j; in a preferred implementation, the data input unit supports the scenic spot management personnel to input route selection data of the tourists and the number of people selecting the routes, so that the number of the tourists capable of accommodating the new tourists can be updated in time by the background of the system after the tourists select the routes, and the tourists do not need to be updated after being identified by the sensors, and therefore the new tourists do not need to wait for a sensor identification period.
The diversion guide scheme has the necessary scheme and optional scheme, namely for a later tourist, the necessary scheme and optional scheme are provided for the tourist, in the necessary scheme, the tourist can only select whether or not, in the optional scheme, if a plurality of areas or routes can be selected, the tourist can independently select the specific playing area or route. It should be noted that the application does not need to record the inclination content of the selection of the tourists in advance or in real time, and a specific scheme is not needed to be provided for the single tourists, and after the diversion guide scheme provides an alternative scheme in implementation, the tourists only need to select according to the arrangement of workers and the tendency of the tourists.
The description is given with reference to the specific embodiments: for example, the navigation map shown in fig. 2 is a navigation map output on a tiled large-screen display, the black line in the map is a playable route, and the value on the playable route in the map is the number of new tourists that can be accommodated by the corresponding route, that is, for a subsequent tourist, a plurality of routes can be selected: such as the route: a-b-c-d; a-b-g-f-i-e-k-j; a-b-c-f-i-e-k-j; however, if for the next 2 visitors (those who request to be together), all the routes including the c-d route are not necessarily optional, all the routes including the a-b-c or a-b-g route are necessarily optional, and both the optional route and the necessary route are necessarily optional. If for the next 2 guests (guests asked to come together), the route that can be selected: a-b-g-f-i-e-k-j; a-b-c-f-i-e-k-j; these two routes are alternative routes and are alternatives.
Claims (9)
1. The novel multimedia electronic tour guide method is characterized by comprising the following steps: and comparing the density data of the prior tourists in different areas or routes with the density threshold required by epidemic situation prevention and control according to a period to calculate the number of the receivable new tourists in the corresponding areas or routes, and taking the number of the receivable new tourists as a reference requirement to carry out diversion guidance on redundant tourists.
2. The novel multimedia electronic tour guide method according to claim 1, wherein the density data of the prior tourists in different areas or routes is weighted and calculated according to the weather conditions of the corresponding areas or routes and the epidemic situation prevention, control and elimination conditions, specifically, the influence relationship of the weather conditions on the virus propagation is firstly determined, especially, the influence function relationship of the weather conditions on the virus propagation can be quantitatively determined, then, the influence relationship of the epidemic situation prevention, control and elimination on the virus propagation is determined, especially, the influence function relationship of the epidemic situation prevention, control and elimination on the virus propagation can be quantitatively determined, then, the comprehensive influence of the comprehensive influence on the virus propagation is quantitatively determined according to the influence functions, and the equivalent density data of the tourists in different areas or routes is weighted and calculated according to the comprehensive influence on the virus propagation.
3. The method as claimed in claim 1, wherein the number of new visitors is used as a reference for diversion guidance of redundant visitors, and the diversion guidance scheme is configured according to the priority of the visitors' selection tendency for the tour area or route.
4. The method as claimed in claim 1, wherein the split stream guidance scheme has optional schemes and alternatives.
5. The novel multimedia electronic tour guide method according to claim 2, wherein the density data of the previous tourists in different areas or routes is weighted according to the weather conditions and epidemic prevention, control and disinfection conditions of the corresponding areas or routes, and specifically, the influence relationship of the weather conditions on the virus propagation is firstly determined, and particularly, the influence function relationship of the weather conditions on the virus propagation can be quantitatively determined: f1 ═ k (w + c), where w is the quantitative influence value corresponding to wind power, and c is the quantitative influence value corresponding to temperatureThe value k is an influence quantification value corresponding to the weather type; then determining the influence relationship of epidemic prevention, control, elimination and killing on virus propagation, particularly quantitatively determining the influence function relationship of epidemic prevention, control, elimination and killing on virus propagation
Where hi is the time per disinfection, where pi is the concentration per disinfection, and where g is a coefficient for parameter normalization; then, according to the influence function relationship, quantitatively determining the comprehensive influence function relationship f3 of the virus to the virus propagation: firstly, calculating a curve f1-t of f1 to a time coordinate, then calculating a curve f2-t of f2 to the time coordinate, and then calculating the convolution of f2-1 and f2-t, namely f 3; the equivalent "density data of the tourists in different areas or routes" is weighted according to the above-mentioned combined influence f3 on the virus propagation: first, a specific value of f3 is determined from the time coordinate, and if the original density value corresponding to the "density data of the tourists in different areas or routes" is m, f3 m is the density value corresponding to the equivalent "density data of the tourists in different areas or routes" and specifically the equivalent "density data of the tourists in different areas or routes".
6. The method as claimed in claim 1, wherein the density data of the previous tourists in different areas or routes is obtained by the sensors distributed in the scenic area in the background of the scenic area.
7. The method as claimed in claim 1, wherein the diverting of the surplus tourists is performed by a multimedia electronic tour guide system.
8. A novel multimedia electronic guide system is characterized by comprising sensors distributed in different areas or routes of a scenic spot, an analog-digital conversion unit, a people stream statistical unit, a calculation unit, a storage unit, a data input unit and a navigation unit, wherein the sensors are electrically connected with the people stream statistical unit through the digital-analog conversion unit; the navigation unit is also electrically connected with an audio control device, and the audio control device is electrically connected with a loudspeaker; the sensor is used for acquiring people stream sensing signals of different areas or routes of a scenic spot, and the analog-to-digital conversion unit is used for converting the people stream sensing signals into digital signals and acquiring people flow data in a period through the people stream counting unit; the people flow statistical unit is used for calculating density data of the tourists in different areas or routes according to the people flow data in a period and by combining the corresponding areas or routes, and sending the density data of the tourists in the different areas or routes to the calculating unit;
the data input unit is used for supporting the input of data corresponding to the weather conditions and epidemic prevention, control and disinfection conditions of different areas or routes in the scenic spot; the storage unit at least stores data corresponding to the density threshold required by epidemic situation prevention and control; the computing unit is used for comparing the density data of the prior tourists in different areas or routes with the density threshold value required by epidemic situation prevention and control according to a period to compute the number of the new tourists capable of being accommodated in the corresponding areas or routes; the navigation unit generates navigation data for tourists in the next time period according to the number of new tourists capable of being accommodated in different areas or routes, and generates corresponding navigation video data and navigation audio data; the video control equipment is used for controlling navigation video data to be output on the spliced large-screen display after being processed by the distributor and the matrix converter; the audio control device is used for controlling the navigation audio data to be played on the loudspeaker.
9. The method as claimed in claim 8, wherein the computing unit is further configured to calculate the density data of the tourists in different areas or routes according to the density data of the tourists in different areas or routes in a period, and the data corresponding to the weather conditions and epidemic prevention, control and elimination conditions of the tourists in different areas or routes in the scenic spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505858.XA CN114155801B (en) | 2021-12-10 | 2021-12-10 | Multimedia electronic tour guide method and system |
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