CN111538890A - Indoor guiding method and system based on voice recognition - Google Patents
Indoor guiding method and system based on voice recognition Download PDFInfo
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- CN111538890A CN111538890A CN202010255803.7A CN202010255803A CN111538890A CN 111538890 A CN111538890 A CN 111538890A CN 202010255803 A CN202010255803 A CN 202010255803A CN 111538890 A CN111538890 A CN 111538890A
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- G06F16/90—Details of database functions independent of the retrieved data types
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
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- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
Abstract
The embodiment of the invention provides an indoor guiding method and system based on voice recognition, wherein the method comprises the following steps: receiving user inquiry voice information sent by first terminal equipment, performing voice recognition, acquiring a voice recognition result list ordered according to matching values, and sending the voice recognition results of the preset number in the voice recognition result list to the first terminal equipment; and confirming information according to the received voice recognition result sent by the first terminal equipment to acquire destination information, planning path information from the position of the first terminal equipment to the position of the destination and sending the path information to the first terminal equipment. According to the indoor guidance method and system based on voice recognition, provided by the embodiment of the invention, the accurate acquisition of the user destination information is realized and the effective and convenient indoor guidance is realized by voice recognition, acquiring the voice recognition result list ordered according to the matching value, confirming the information acquisition destination according to the voice recognition result and planning and sending the path information.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an indoor guiding method and system based on voice recognition.
Background
The passenger station is an important place directly facing passenger service, provides comprehensive passenger service for passengers to go out in the whole process of entering, waiting, boarding, transfer, exiting and the like, has a large range in the prior large stations, is inconvenient for passengers to find fixed places, and is difficult to converge after the passengers walk away particularly when the passengers walk together. Therefore, it is an urgent need to solve the problem of how to accurately obtain the destination information of the user and provide an effective and convenient guidance method for large indoor guidance.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present invention provide an indoor guidance method and system based on speech recognition.
In a first aspect, an embodiment of the present invention provides an indoor guidance method based on speech recognition, including: receiving user query voice information sent by first terminal equipment, performing voice recognition according to the user query voice information, acquiring a voice recognition result list ordered from high to low according to a matching value through query matching, and sending the preset number of voice recognition results in the voice recognition result list to the first terminal equipment; receiving voice recognition result confirmation information sent by the first terminal device, wherein the voice recognition result confirmation information comprises information of one voice recognition result in the voice recognition result list; and confirming information according to the voice recognition result to obtain destination information, planning path information from the position of the first terminal device to the position of the destination according to the destination information, and sending the path information to the first terminal device.
Further, the user inquiry voice information includes location information; the voice recognition according to the user inquiry voice information and the voice recognition result list obtained through inquiry matching and sorted according to the matching value comprises the following steps: and acquiring place keyword information according to the place information, performing matching query in a place database according to the place keyword information, and performing descending ordering on query results according to matching values to obtain the voice recognition result list.
Further, the information of the destination obtained according to the voice recognition result confirmation information includes: if the voice recognition result confirmation information corresponds to a plurality of places, further judging whether the voice inquiry information of the user contains a limiting condition; if yes, selecting one of the places corresponding to the voice recognition result confirmation information as the destination according to the limiting condition; the limiting condition comprises one of the minimum number of people in queue, the shortest distance and the shortest time; the places with the least queuing number are obtained by analyzing the personnel queuing information collected by the video collecting equipment arranged in each place; and if not, selecting one of the places corresponding to the voice recognition result confirmation information as the destination according to a preset rule.
Further, the user inquiry voice information comprises a system account name; the voice recognition according to the user inquiry voice information and the voice recognition result list obtained through inquiry matching and sorted according to the matching value comprises the following steps: and performing matching query in a system account database according to the system account name, and performing descending sorting on query results according to matching values to obtain the voice recognition result list.
Further, the information of the destination obtained according to the voice recognition result confirmation information includes: acquiring a target system account name according to the voice recognition result confirmation information, and acquiring the position of a second terminal device logged by the target system account name; if the distance between the position of the first terminal device and the position of the second terminal device is within a preset distance threshold range, taking the position of the second terminal device as the destination; and if the distance between the position of the first terminal device and the position of the second terminal device exceeds the preset distance threshold range, acquiring a middle meeting point according to the position of the first terminal device and the position of the second terminal device, and taking the middle meeting point as the destination.
Further, the preset distance threshold range is a preset proportion of an indoor farthest path.
Further, if the destination is the intermediate meeting point, the method further comprises: and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination, and sending the path information to the second terminal equipment.
Further, the planning of the path information from the location of the first terminal device to the location of the destination according to the information of the destination includes: planning path information from the position of the first terminal equipment to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance; the planning of the path information from the position of the second terminal device to the position of the destination according to the information of the destination includes: and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance.
Further, the path information comprises a routing graph formed by path key nodes on the path information; the method further comprises the following steps: recording the name, the position and the direction information of the route key node to the destination in the route information; and generating and storing voice prompt information of the path key node, and automatically playing the voice prompt information when the position of the first terminal equipment or the second terminal equipment deviates from the preset distance threshold of the path key node.
In a second aspect, an embodiment of the present invention provides an indoor guidance system based on speech recognition, including: a server and a first terminal device; wherein: the first terminal equipment is used for collecting voice information inquired by a user and sending the voice information to the server; the server is configured to: receiving user query voice information sent by first terminal equipment, performing voice recognition according to the user query voice information, acquiring a voice recognition result list ordered from high to low according to a matching value through query matching, and sending the preset number of voice recognition results in the voice recognition result list to the first terminal equipment; the first terminal device is further configured to: acquiring voice recognition result confirmation information according to the voice recognition result list, and sending the voice recognition result confirmation information to the server; the server is further configured to: receiving voice recognition result confirmation information sent by the first terminal device, wherein the voice recognition result confirmation information comprises information of one voice recognition result in the voice recognition result list; and confirming information according to the voice recognition result to obtain destination information, planning path information from the position of the first terminal device to the position of the destination according to the destination information, and sending the path information to the first terminal device.
According to the indoor guidance method and system based on voice recognition, provided by the embodiment of the invention, through voice recognition according to voice information inquired by a user, acquiring a voice recognition result list ordered from high to low according to a matching value through inquiry matching, receiving voice recognition result confirmation information sent by the first terminal equipment, acquiring destination information according to the voice recognition result confirmation information, planning and sending path information, accurate acquisition of user destination information is realized, and effective and convenient indoor guidance is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of an indoor guiding method based on speech recognition according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an indoor guidance system based on speech recognition according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an indoor guidance system based on speech recognition according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an indoor guidance system based on speech recognition according to still another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of an indoor guiding method based on speech recognition according to an embodiment of the present invention. As shown in fig. 1, the method includes:
The server (which may be a cloud server) receives user query voice information sent by the first terminal device, wherein the user query voice information is collected and sent to the server by the first terminal device. The first terminal device can be a mobile terminal, such as a smart phone, and can acquire user inquiry voice information through an APP and an applet. The first terminal equipment can also be an in-station robot and the like.
After receiving the voice information queried by the user, the server performs voice recognition according to the voice information queried by the user, converts the voice information into a text, performs query matching in a database, acquires a voice recognition result list ordered from high to low according to matching values according to matching results, and sends the preset number of voice recognition results in the front in the voice recognition result list to the first terminal device. When the server sends the preset number of previous voice recognition results in the voice recognition result list to the first terminal device, the preset number of previous voice recognition results in the voice recognition result list can be simultaneously sent to the first terminal device according to the sorting result, and the preset number of previous voice recognition results in the voice recognition result list can also be respectively sent to the first terminal device according to the sorting result. The predetermined number may be, for example, 3.
And 102, receiving voice recognition result confirmation information sent by the first terminal device, wherein the voice recognition result confirmation information comprises information of one voice recognition result in the voice recognition result list.
And the server receives the voice recognition result confirmation information sent by the first terminal equipment. When the server sends the preset number of voice recognition results in the voice recognition result list to the first terminal device, the server may display the voice recognition results on the first terminal device, and may display a button for confirming selection and canceling selection corresponding to each voice recognition result, if a confirmation selection button corresponding to a certain voice recognition result is pressed, it indicates that the corresponding voice recognition result is confirmed, so as to obtain voice recognition result confirmation information on the first terminal device, where the voice recognition result confirmation information includes information of one voice recognition result in the voice recognition result list, that is, information of the confirmed voice recognition result. And the first terminal equipment sends the voice recognition result confirmation information to the server.
And when the preset number of voice recognition results in the voice recognition result list are simultaneously sent to the first terminal equipment according to the sorting result, if the voice recognition result confirmation information is not received within the preset time, giving up guidance. When the preset number of voice recognition results in the front of the voice recognition result list are respectively sent to the first terminal equipment according to the sorting result, sending of the next voice recognition result is carried out after the user clicks to confirm or cancel, and if the preset number is 3, guidance is given up if the passenger does not confirm for three times; or if the voice recognition result confirmation information is not received within the preset time after the voice recognition result is sent, the guidance is abandoned.
Step 103, obtaining destination information according to the voice recognition result confirmation information, planning path information from the position of the first terminal device to the position of the destination according to the destination information, and sending the path information to the first terminal device.
The indoor guiding method based on the voice recognition provided by the embodiment of the invention can be used for indoor guiding, and the information of the destination which the user wants to go can be obtained according to the voice information inquired by the user. For example, a user query voice message includes purposefully relevant information. And the server plans path information from the position of the first terminal equipment to the position of the destination according to the information of the destination, and sends the path information to the first terminal equipment.
According to the embodiment of the invention, the voice recognition is carried out according to the voice information inquired by the user, the voice recognition result list ordered from high to low according to the matching value is obtained through inquiry matching, the voice recognition result confirmation information sent by the first terminal equipment is received, the destination information is obtained according to the voice recognition result confirmation information, and the path information is planned and sent, so that the accurate obtaining of the destination information of the user is realized, and the effective and convenient indoor guidance is realized.
Further, based on the above embodiment, the user inquiry voice information includes location information; the voice recognition according to the user inquiry voice information and the voice recognition result list obtained through inquiry matching and sorted according to the matching value comprises the following steps: and acquiring place keyword information according to the place information, performing matching query in a place database according to the place keyword information, and performing descending ordering on query results according to matching values to obtain the voice recognition result list.
The user inquiry voice message includes location information such as "exit", "how to go at exit? "," where the exit is "etc. After the server carries out voice recognition on the voice information inquired by the user and converts the voice information into a text, a place keyword such as an exit is extracted, and matching inquiry is carried out in a place database according to the place keyword. The location database stores names of various locations where indoor guidance may occur. And performing descending sorting on the query results according to the matching degree values to obtain the voice recognition result list, wherein the voice recognition result list comprises a sorted list of destination places to be selected.
On the basis of the above embodiments, the embodiment of the present invention provides a method for acquiring a corresponding voice recognition result list when a user inquires that voice information includes location information, which is helpful for implementing destination location guidance.
Further, according to the above embodiment, the confirming of the information acquisition destination information according to the voice recognition result includes: if the voice recognition result confirmation information corresponds to a plurality of places, further judging whether the voice inquiry information of the user contains a limiting condition; if yes, selecting one of the places corresponding to the voice recognition result confirmation information as the destination according to the limiting condition; the limiting condition comprises one of the minimum number of people in queue, the shortest distance and the shortest time; the places with the least queuing number are obtained by analyzing the personnel queuing information collected by the video collecting equipment arranged in each place; and if not, selecting one of the places corresponding to the voice recognition result confirmation information as the destination according to a preset rule.
And after obtaining a voice recognition result list which is ordered from high to low according to the matching value, the server sends the voice recognition results of the preset number in the front in the voice recognition result list to the first terminal equipment. If the user inquires that the voice information includes the location information, the voice recognition result also includes the location information. After receiving the voice recognition result confirmation information sent by the first terminal device, the server can acquire the destination to which the user wants to go. If the server finds that the voice recognition result confirmation information corresponds to a plurality of places, the server further judges whether the voice inquiry information of the user contains a limiting condition, wherein the limiting condition can be that the number of people in a queue is minimum, the distance is minimum, the time is minimum (the time from the position of the first terminal to the destination is minimum), and the like. And if the server finds that the voice inquiry information of the user contains a limiting condition, selecting one of the corresponding places of the voice recognition result confirmation information as the destination according to the limiting condition. And if the server finds that the voice inquiry information of the user does not contain the limiting condition, selecting one of the places corresponding to the voice recognition result confirmation information as a destination according to a preset rule. The preset rule may be, for example, the shortest distance.
When the corresponding place with the minimum number of people who queue is used as the destination, the server needs to further obtain the people queuing information of the video acquisition equipment arranged at the corresponding place, and the place with the minimum number of people who queue is used as the destination according to the people queuing information. And if the corresponding place of the voice recognition result confirmation information is 'washroom', and the query voice information of the user contains the limited condition 'minimum queuing number', the server takes the washroom with the minimum queuing number as the destination.
On the basis of the above embodiments, when the voice recognition result confirms that there are multiple locations corresponding to the information, the embodiments of the present invention select the destination according to the limiting conditions or preset rules included in the query voice information of the user, which is beneficial to better meet the guidance requirements of the user.
Further, based on the above embodiment, the user query voice message includes a system account name; the voice recognition according to the user inquiry voice information and the voice recognition result list obtained through inquiry matching and sorted according to the matching value comprises the following steps: and performing matching query in a system account database according to the system account name, and performing descending sorting on query results according to matching values to obtain the voice recognition result list.
In addition to finding locations, finding people is also a great need for indoor guidance. The system stores the system account name of each user and stores the system account name in a system account database. When a person needs to be found, the corresponding system account name can be directly spoken, namely, the voice information inquired by the user comprises the system account name.
The system may preset an input entry of the user query voice information, such as setting a voice input interface button for location query and a voice input interface button for system account name query, respectively, where the received user query voice information after the voice input interface button for location query is clicked includes location information by default, and the received user query voice information after the voice input interface button for system account name query is clicked includes a system account name by default. Therefore, the server can conveniently know whether the location information or the system account name is included in the voice information inquired by the user.
And if the server finds that the voice inquiry information of the user comprises the system account name, the server performs matching inquiry in a system account database according to the system account name, and performs descending ordering on the inquiry result according to the matching value to obtain the voice recognition result list. The voice recognition result list comprises a sorted list of the names of the account numbers of the system to be selected. And obtaining a voice recognition result list comprising a plurality of matching results for the user to select so as to avoid voice recognition errors caused by homophones, polyphones and the like.
On the basis of the above embodiment, the embodiment of the invention provides a method for acquiring a corresponding voice recognition result list when a user inquires that voice information includes a system account name, which is beneficial to realizing person searching guidance.
Further, according to the above embodiment, the confirming of the information acquisition destination information according to the voice recognition result includes: acquiring a target system account name according to the voice recognition result confirmation information, and acquiring the position of a second terminal device logged by the target system account name; if the distance between the position of the first terminal device and the position of the second terminal device is within a preset distance threshold range, taking the position of the second terminal device as the destination; and if the distance between the position of the first terminal device and the position of the second terminal device exceeds the preset distance threshold range, acquiring a middle meeting point according to the position of the first terminal device and the position of the second terminal device, and taking the middle meeting point as the destination.
After the server obtains a corresponding voice recognition result list through system account name query, the server can send the system account names with the top preset number (for example, the top 3) to the first terminal device for the user to select. And after the user confirms at the first terminal equipment, obtaining voice recognition result confirmation information, wherein the voice recognition result confirmation information comprises the selected target system account name.
The server can acquire the second terminal equipment which is logged in by the target system account name at present according to the target system account name, and can acquire the position information of the second terminal equipment. It is understood that, for security, the server may send a bootstrap request to the second terminal device after obtaining the target system account name, for example, the bootstrap request may include the system account name logged in by the first terminal device, and whether to approve obtaining query information of the real-time geographic location, and the like. And after the confirmation of the second terminal equipment is obtained, the position information of the second terminal equipment is obtained. In the communication process between the server and the terminal device, the server may obtain information of the logged-in system account name, for example, the communication data between the terminal device and the server may include information of the system account name, or the communication data may include an identifier, and the identifier and the corresponding system account name are stored in advance in a system account database of the server.
The server can also obtain the position information of the first terminal device, and the server can obtain the distance between the first terminal device and the second terminal device according to the position information of the first terminal device and the position information of the second terminal device. And if the distance is short, for example, within a preset distance threshold range, taking the position of the second terminal device as the destination, and guiding the user of the first terminal device to the position of the second terminal device. If the distance is long, for example, exceeds a preset distance threshold range, an intermediate meeting point may be obtained according to the position of the first terminal device and the position of the second terminal device, and the intermediate meeting point is taken as the destination. And taking the intermediate meeting point as a destination, the server simultaneously guides the user of the first terminal device from the position of the first terminal device to the intermediate meeting point and guides the user of the second terminal device from the position of the second terminal device to the intermediate meeting point so as to save time. It can be seen that the intermediate meeting point is preferably disposed at an intermediate position between the position of the first terminal device and the position of the second terminal device, but is not limited thereto.
On the basis of the embodiment, the account name of the target system is acquired according to the voice recognition result confirmation information, the position of the second terminal device where the account name of the target system is logged in is acquired, and the position of the second terminal device is determined to serve as a destination or provide a middle meeting point according to the distance between the position of the first terminal device and the position of the second terminal device, so that indoor person searching guidance is more convenient and faster to achieve.
Further, based on the above embodiment, the preset distance threshold range is a preset proportion of the farthest indoor path.
The preset distance threshold range may be set to a preset proportion of the indoor farthest path, such as 0.25, 0.5, 0.75 range of the indoor farthest path, and the like.
On the basis of the above embodiment, the embodiment of the invention improves the reasonability of destination determination by setting the preset distance threshold range as the preset proportion of the indoor farthest path.
Further, based on the above embodiment, if the destination is the intermediate meeting point, the method further includes: and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination, and sending the path information to the second terminal equipment.
When the destination is the intermediate meeting point, since guidance for the user of the second terminal device to the intermediate meeting point also needs to be implemented, the method further includes: and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination, and sending the path information to the second terminal equipment.
On the basis of the above embodiment, the embodiment of the present invention plans the path information from the location of the second terminal device to the location of the destination according to the information of the destination when the destination is the intermediate meeting point, and sends the path information to the second terminal device, thereby perfecting the guidance process.
Further, based on the above embodiment, the planning, according to the information of the destination, the path information from the location of the first terminal device to the location of the destination includes: planning path information from the position of the first terminal equipment to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance; the planning of the path information from the position of the second terminal device to the position of the destination according to the information of the destination includes: and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance.
When guiding a user of a first terminal device to a destination, planning path information according to the position of the first terminal device and the position of the destination by adopting a principle of shortest time or shortest distance; when guiding the user of the second terminal device to the destination, the route information may also be planned according to the position of the second terminal device and the position of the destination by adopting the principle of shortest time or shortest distance.
On the basis of the above embodiment, the embodiment of the present invention is advantageous to implement fast guidance by planning the path information according to the shortest time or shortest distance.
Further, based on the above embodiment, the path information includes a routing graph formed by path key nodes on the path information; the method further comprises the following steps: recording the name, the position and the direction information of the route key node to the destination in the route information; and generating and storing voice prompt information of the path key node, and automatically playing the voice prompt information when the position of the first terminal equipment or the second terminal equipment deviates from the preset distance threshold of the path key node.
The path information includes a routing graph formed by path critical nodes on the path information. And path key nodes such as indoor buildings, road inflection points and the like. The method further comprises the following steps: recording the name, the position and the direction information of the route key node to the destination in the route information; and automatically playing voice reminding information when the position of the first terminal equipment or the second terminal equipment deviates from the preset distance threshold of the path key node.
On the basis of the above embodiment, the embodiment of the present invention provides the routing graph including the route key nodes, and performs guidance and voice prompt during route deviation according to the routing graph, thereby facilitating further realization of accurate guidance.
In the application of the railway passenger station, the indoor guiding method based on voice recognition provided by the embodiment of the invention can automatically navigate to a fixed position in the station or search other passengers in a voice inquiry mode, so that the passengers can conveniently go out. Compared with the prior art, the method can quickly find a fixed place and move the passenger, effectively realize quick navigation of the target place and the target person in the station under the background of large passenger flow, and improve the convenience of travel of the passenger.
It should be noted that the embodiment of the present invention may be used for indoor guidance in any indoor place, and is not limited to a certain place.
Fig. 2 is a schematic structural diagram of an indoor guidance system based on speech recognition according to an embodiment of the present invention. As shown in fig. 2, the system includes a server 1 and a first terminal device 2; wherein: the first terminal device 2 is used for collecting user inquiry voice information and sending the user inquiry voice information to the server; the server 1 is configured to: receiving user query voice information sent by a first terminal device 2, performing voice recognition according to the user query voice information, acquiring a voice recognition result list ordered from high to low according to a matching value through query matching, and sending the preset number of voice recognition results in the voice recognition result list to the first terminal device 2; the first terminal device 2 is further configured to: acquiring voice recognition result confirmation information according to the voice recognition result list, and sending the voice recognition result confirmation information to the server 1; the server 1 is further configured to: receiving voice recognition result confirmation information sent by the first terminal device 2, wherein the voice recognition result confirmation information includes information of one voice recognition result in the voice recognition result list; and according to the voice recognition result, confirming information to obtain destination information, planning path information from the position of the first terminal device 2 to the position of the destination according to the destination information, and sending the path information to the first terminal device 2.
According to the embodiment of the invention, the voice recognition is carried out according to the voice information inquired by the user, the voice recognition result list ordered from high to low according to the matching value is obtained through inquiry matching, the voice recognition result confirmation information sent by the first terminal equipment is received, the destination information is obtained according to the voice recognition result confirmation information, and the path information is planned and sent, so that the accurate obtaining of the destination information of the user is realized, and the effective and convenient indoor guidance is realized.
Further, based on the above embodiment, the user inquiry voice information includes location information; when the server 1 is configured to perform speech recognition according to the user query speech information and obtain a speech recognition result list sorted according to matching values through query matching, the server is specifically configured to: and acquiring place keyword information according to the place information, performing matching query in a place database according to the place keyword information, and performing descending ordering on query results according to matching values to obtain the voice recognition result list.
On the basis of the above embodiments, the embodiment of the present invention provides a method for acquiring a corresponding voice recognition result list when a user inquires that voice information includes location information, which is helpful for implementing destination location guidance.
Fig. 3 is a schematic structural diagram of an indoor guidance system based on speech recognition according to another embodiment of the present invention. As shown in fig. 3, the system further comprises a video capture device 3; when the server 1 is configured to confirm information acquisition destination information according to the voice recognition result, the server is specifically configured to: and if the places corresponding to the voice recognition result confirmation information are multiple, acquiring the personnel queuing information acquired by the video acquisition equipment 3 of the place corresponding to the voice recognition result confirmation information, and taking the place with the least queuing personnel as the destination according to the personnel queuing information.
On the basis of the above embodiment, in the embodiment of the present invention, when there are a plurality of places corresponding to the voice recognition result confirmation information, the person queuing information acquired by the video acquisition device at the place corresponding to the voice recognition result confirmation information is acquired, and the place with the least number of people queued is used as the destination according to the person queuing information, which is favorable for better meeting the guidance requirement of the user.
Further, based on the above embodiment, the user query voice message includes a system account name; when the server 1 is configured to perform speech recognition according to the user query speech information and obtain a speech recognition result list sorted according to matching values through query matching, the server is specifically configured to: and performing matching query in a system account database according to the system account name, and performing descending sorting on query results according to matching values to obtain the voice recognition result list.
On the basis of the above embodiment, the embodiment of the invention provides a method for acquiring a corresponding voice recognition result list when a user inquires that voice information includes a system account name, which is beneficial to realizing person searching guidance.
Fig. 4 is a schematic structural diagram of an indoor guidance system based on speech recognition according to still another embodiment of the present invention. As shown in fig. 4, the system further includes a second terminal device 4; when the server 1 is configured to confirm information acquisition destination information according to the voice recognition result, the server is specifically configured to: acquiring a target system account name according to the voice recognition result confirmation information, and acquiring the position of the second terminal equipment 4 logged by the target system account name; if the distance between the position of the first terminal device 2 and the position of the second terminal device 4 is within a preset distance threshold range, taking the position of the second terminal device 4 as the destination; if the distance between the position of the first terminal device 2 and the position of the second terminal device 4 exceeds the preset distance threshold range, acquiring a middle meeting point according to the position of the first terminal device 2 and the position of the second terminal device 4, and taking the middle meeting point as the destination.
On the basis of the embodiment, the account name of the target system is acquired according to the voice recognition result confirmation information, the position of the second terminal device where the account name of the target system is logged in is acquired, and the position of the second terminal device is determined to serve as a destination or provide a middle meeting point according to the distance between the position of the first terminal device and the position of the second terminal device, so that more convenient indoor person searching guidance is facilitated.
Further, based on the above embodiment, the preset distance threshold range is a preset proportion of the farthest indoor path.
On the basis of the above embodiment, the embodiment of the invention improves the reasonability of destination determination by setting the preset distance threshold range as the preset proportion of the indoor farthest path.
Further, based on the above embodiment, if the destination is the intermediate meeting point, the server 1 is further configured to: and planning path information from the position of the second terminal equipment 4 to the position of the destination according to the information of the destination, and sending the path information to the second terminal equipment 4.
On the basis of the above embodiment, the embodiment of the present invention plans the path information from the location of the second terminal device to the location of the destination according to the information of the destination when the destination is the intermediate meeting point, and sends the path information to the second terminal device, thereby perfecting the guidance process.
Further, based on the above embodiment, when the server 1 is configured to plan the path information from the location of the first terminal device 2 to the location of the destination according to the information of the destination, specifically, the server is configured to: planning path information from the position of the first terminal device 2 to the position of the destination according to the information of the destination on the basis of the principle that the time is shortest or the distance is shortest; when the server 1 is configured to plan the path information from the location of the second terminal device 4 to the location of the destination according to the information of the destination, specifically, the server is configured to: and planning path information from the position of the second terminal equipment 4 to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance.
On the basis of the above embodiment, the embodiment of the present invention is advantageous to implement fast guidance by planning the path information according to the shortest time or shortest distance.
Further, based on the above embodiment, the path information includes a routing graph formed by path key nodes on the path information; the server 1 is further configured to: recording the name, the position and the direction information of the route key node to the destination in the route information; and generating and storing voice prompt information of the path key node, and automatically playing the voice prompt information when the position of the first terminal device 2 or the second terminal device 4 deviates from the preset distance threshold of the path key node.
On the basis of the above embodiment, the embodiment of the present invention provides the routing graph including the route key nodes, and performs guidance and voice prompt during route deviation according to the routing graph, thereby facilitating further realization of accurate guidance.
The device provided by the embodiment of the present invention is used for the method, and specific functions may refer to the above method flow, which is not described herein again.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An indoor guidance method based on voice recognition is characterized by comprising the following steps:
receiving user query voice information sent by first terminal equipment, performing voice recognition according to the user query voice information, acquiring a voice recognition result list ordered from high to low according to a matching value through query matching, and sending the preset number of voice recognition results in the voice recognition result list to the first terminal equipment;
receiving voice recognition result confirmation information sent by the first terminal device, wherein the voice recognition result confirmation information comprises information of one voice recognition result in the voice recognition result list;
and confirming information according to the voice recognition result to obtain destination information, planning path information from the position of the first terminal device to the position of the destination according to the destination information, and sending the path information to the first terminal device.
2. The indoor guidance method based on voice recognition according to claim 1, wherein the user inquiry voice information includes location information; the voice recognition according to the user inquiry voice information and the voice recognition result list obtained through inquiry matching and sorted according to the matching value comprises the following steps:
and acquiring place keyword information according to the place information, performing matching query in a place database according to the place keyword information, and performing descending ordering on query results according to matching values to obtain the voice recognition result list.
3. The indoor guidance method based on voice recognition according to claim 2, wherein the confirming information acquisition destination information according to the voice recognition result includes:
if the voice recognition result confirmation information corresponds to a plurality of places, further judging whether the voice inquiry information of the user contains a limiting condition;
if yes, selecting one of the places corresponding to the voice recognition result confirmation information as the destination according to the limiting condition; the limiting condition comprises one of the minimum number of people in queue, the shortest distance and the shortest time; the places with the least queuing number are obtained by analyzing the personnel queuing information collected by the video collecting equipment arranged in each place;
and if not, selecting one of the places corresponding to the voice recognition result confirmation information as the destination according to a preset rule.
4. The indoor booting method based on voice recognition of claim 1, characterized in that the user inquiry voice message includes a system account name; the voice recognition according to the user inquiry voice information and the voice recognition result list obtained through inquiry matching and sorted according to the matching value comprises the following steps: and performing matching query in a system account database according to the system account name, and performing descending sorting on query results according to matching values to obtain the voice recognition result list.
5. The indoor guidance method based on voice recognition according to claim 4, wherein the confirming information acquisition destination information according to the voice recognition result comprises:
acquiring a target system account name according to the voice recognition result confirmation information, and acquiring the position of a second terminal device logged by the target system account name; if the distance between the position of the first terminal device and the position of the second terminal device is within a preset distance threshold range, taking the position of the second terminal device as the destination; and if the distance between the position of the first terminal device and the position of the second terminal device exceeds the preset distance threshold range, acquiring a middle meeting point according to the position of the first terminal device and the position of the second terminal device, and taking the middle meeting point as the destination.
6. The indoor guidance method based on voice recognition according to claim 5, wherein the preset distance threshold range is a preset proportion of an indoor farthest path.
7. The indoor guidance method based on voice recognition according to claim 5, wherein if the destination is the intermediate meeting point, the method further comprises:
and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination, and sending the path information to the second terminal equipment.
8. The indoor guidance method based on voice recognition according to claim 7, wherein the planning of the path information from the location of the first terminal device to the location of the destination according to the information of the destination comprises: planning path information from the position of the first terminal equipment to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance;
the planning of the path information from the position of the second terminal device to the position of the destination according to the information of the destination includes: and planning path information from the position of the second terminal equipment to the position of the destination according to the information of the destination on the basis of the principle of shortest time or shortest distance.
9. The indoor guidance method based on voice recognition according to claim 7, wherein the path information includes a routing graph formed by path key nodes on the path information; the method further comprises the following steps:
recording the name, the position and the direction information of the route key node to the destination in the route information; and generating and storing voice prompt information of the path key node, and automatically playing the voice prompt information when the position of the first terminal equipment or the second terminal equipment deviates from the preset distance threshold of the path key node.
10. An indoor guidance system based on voice recognition is characterized by comprising a server and a first terminal device; wherein:
the first terminal equipment is used for collecting voice information inquired by a user and sending the voice information to the server;
the server is configured to: receiving user query voice information sent by first terminal equipment, performing voice recognition according to the user query voice information, acquiring a voice recognition result list ordered from high to low according to a matching value through query matching, and sending the preset number of voice recognition results in the voice recognition result list to the first terminal equipment;
the first terminal device is further configured to: acquiring voice recognition result confirmation information according to the voice recognition result list, and sending the voice recognition result confirmation information to the server;
the server is further configured to: receiving voice recognition result confirmation information sent by the first terminal device, wherein the voice recognition result confirmation information comprises information of one voice recognition result in the voice recognition result list; and confirming information according to the voice recognition result to obtain destination information, planning path information from the position of the first terminal device to the position of the destination according to the destination information, and sending the path information to the first terminal device.
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