CN112833901A - Vehicle navigation method, device, medium and terminal equipment after parking space occupation - Google Patents
Vehicle navigation method, device, medium and terminal equipment after parking space occupation Download PDFInfo
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- CN112833901A CN112833901A CN202011637028.8A CN202011637028A CN112833901A CN 112833901 A CN112833901 A CN 112833901A CN 202011637028 A CN202011637028 A CN 202011637028A CN 112833901 A CN112833901 A CN 112833901A
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
Abstract
The invention discloses a vehicle navigation method after parking space occupation, which is applied to a vehicle-mounted end and comprises the following steps: receiving an alarm signal sent by a parking space alarm device, and determining whether the vehicle is illegal to stop according to the alarm signal; when the fact that the vehicle is in the current illegal parking state is determined, audio data of people in the vehicle are obtained, and feature recognition is conducted on the audio data to obtain user features; obtaining a correct parking space corresponding to the vehicle and position information of the correct parking space according to the user characteristics; receiving the position information of the correct parking space, taking the position information as a terminal point, taking the current position of the vehicle as a starting point, and generating a navigation route so that the vehicle can reach the correct parking space; according to the invention, after the vehicle owner is determined to park in the wrong parking space, the audio data of personnel in the vehicle is acquired, the characteristic identification is carried out, and the position information of the correct parking space corresponding to the vehicle is obtained according to the user characteristics obtained by the identification, so that accurate navigation is provided for finding the correct parking space, and efficient and accurate vehicle navigation can be realized after the vehicle owner parks in the wrong parking space.
Description
Technical Field
The invention relates to the field of vehicle navigation, in particular to a vehicle navigation method, a vehicle navigation device, a vehicle navigation medium and terminal equipment after parking space occupation.
Background
The district parking area is generally only open to the owner, and the owner has the fixed parking stall that corresponds in the parking area. However, some owners often park the vehicles at the wrong parking positions for some reasons, and park the vehicles on the parking positions of other owners, so that the resources of others are occupied, and the owners occupying the parking positions cannot find out the places to park, thereby causing troubles.
Various parking place alarm devices are arranged on the market and used for detecting whether a vehicle on a current parking place is in a wrong parking place or not, and when the fact that the vehicle is in the wrong parking place is determined, an alarm signal can be sent out, so that the effect of reminding a current vehicle owner of the wrong parking place is achieved. However, when the car owner learns the parking lot which is the wrong parking lot and needs to go to the correct parking lot, the car owner can only search the parking lot according to the position memory of the parking lot, and a navigation strategy cannot be provided for the car owner, so that the car owner can search the parking lot according to accurate navigation after the parking lot which is the wrong parking lot.
Disclosure of Invention
The invention provides a vehicle navigation method after parking space occupation, which aims to solve the technical problem that accurate navigation cannot be provided to find a correct parking space after a vehicle owner parks a wrong parking space.
In order to solve the technical problem, an embodiment of the present invention provides a vehicle navigation method after parking space occupation, which is applied to a vehicle-mounted terminal, and includes:
receiving an alarm signal sent by a parking space alarm device, and determining whether the vehicle is illegal to stop according to the alarm signal;
when the fact that the vehicle is in the current illegal parking state is determined, audio data of people in the vehicle are obtained, and feature recognition is conducted on the audio data to obtain user features;
obtaining a correct parking space corresponding to the vehicle and position information of the correct parking space according to the user characteristics;
and receiving the position information of the correct parking space, taking the position information as a terminal point, taking the current position of the vehicle as a starting point, and generating a navigation route so that the vehicle can reach the correct parking space.
As a preferred scheme, the alarm signal is alarm data containing license plate information;
the step of determining whether the vehicle is currently illegal according to the alarm signal comprises: and judging whether the license plate information in the alarm data is consistent with a preset number of the vehicle-mounted terminal, if so, determining that the vehicle belongs to illegal parking currently.
As a preferred scheme, when it is determined that the vehicle currently belongs to the violation, the step of obtaining audio data of people in the vehicle, performing feature recognition on the audio data, and obtaining the user features includes:
preprocessing the audio data, and filtering background noise to obtain foreground audio;
dividing the foreground audio into a plurality of sections of audio data, and performing voiceprint recognition on each section of divided audio data to obtain a plurality of voiceprint characteristics;
and combining and packaging the obtained various voiceprint characteristics to obtain a voiceprint characteristic sequence, and taking the voiceprint characteristic sequence as the user characteristics.
As a preferred scheme, a parking space characteristic rule is arranged at the vehicle-mounted end and is used for associating the voiceprint characteristics of an owner with the correct parking space of the owner; the correct parking space comprises the position information of the parking space;
the step of obtaining the correct parking space corresponding to the vehicle and obtaining the position information of the correct parking space according to the user characteristics comprises the following steps:
and comparing the various voiceprint characteristics in the user characteristics with the parking space characteristic rule, determining a correct parking space associated with any voiceprint characteristic in the user characteristics in the parking space characteristic rule, and determining the position information of the correct parking space.
Correspondingly, another embodiment of the present invention provides a vehicle navigation device after occupying a parking space, which is applied to a vehicle-mounted terminal, and includes:
the signal receiving module is used for receiving an alarm signal sent by the parking space alarm device and determining whether the vehicle is illegal to stop according to the alarm signal;
the characteristic identification module is used for acquiring audio data of personnel in the vehicle and carrying out characteristic identification on the audio data to obtain user characteristics when the fact that the vehicle is in the current illegal parking state is determined;
the characteristic matching module is used for obtaining a correct parking space corresponding to the vehicle according to the user characteristics and obtaining the position information of the correct parking space;
and the vehicle navigation module is used for receiving the position information of the correct parking space, taking the position information as a terminal point, taking the current position of the vehicle as a starting point and generating a navigation route so as to enable the vehicle to reach the correct parking space.
As a preferred scheme, the alarm signal is alarm data containing license plate information;
the signal receiving module is used for determining whether the vehicle is illegal to stop according to the alarm signal, and comprises the following steps: and judging whether the license plate information in the alarm data is consistent with a preset number of the vehicle-mounted terminal, if so, determining that the vehicle belongs to illegal parking currently.
Preferably, the feature recognition module includes:
the noise filtering unit is used for preprocessing the audio data and filtering background noise to obtain foreground audio;
the audio segmentation unit is used for segmenting the foreground audio into a plurality of sections of audio data and carrying out voiceprint recognition on each segmented audio data to obtain a plurality of voiceprint characteristics;
and the characteristic sequence unit is used for combining and packaging the obtained various voiceprint characteristics to obtain a voiceprint characteristic sequence, and the voiceprint characteristic sequence is used as the user characteristic.
As a preferred scheme, a parking space characteristic rule is arranged at the vehicle-mounted end and is used for associating the voiceprint characteristics of an owner with the correct parking space of the owner; the correct parking space comprises the position information of the parking space;
the feature matching module is specifically configured to: and comparing the various voiceprint characteristics in the user characteristics with the parking space characteristic rule, determining a correct parking space associated with any voiceprint characteristic in the user characteristics in the parking space characteristic rule, and determining the position information of the correct parking space.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; when the computer program runs, the device where the computer readable storage medium is located is controlled to execute the vehicle navigation method after the parking space is occupied.
The embodiment of the invention also provides terminal equipment, which comprises a processor, a memory and a computer program which is stored in the memory and configured to be executed by the processor, wherein the processor realizes the vehicle navigation method after the parking space is occupied when the processor executes the computer program.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the technical scheme, after the vehicle owner parks the wrong parking space, the audio data of personnel in the vehicle are obtained and the characteristics are identified, and the position information of the correct parking space corresponding to the vehicle is obtained according to the user characteristics obtained through identification, so that accurate navigation is provided for finding the correct parking space, and an efficient and accurate vehicle navigation function can be realized after the vehicle owner parks the wrong parking space.
Drawings
FIG. 1 is a flowchart illustrating steps of a method for navigating a vehicle after a parking space is occupied according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a vehicle navigation device after a parking space is occupied according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of a terminal device according to an embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example one
Referring to fig. 1, a flowchart of steps of a method for navigating a vehicle after parking space occupation according to an embodiment of the present invention is shown. The existing parking space alarming device is used for detecting whether a vehicle on the current parking space is in a wrong parking space or not, and can send out an alarm signal after the vehicle is determined to be in the wrong parking space, so that the current vehicle owner is reminded of the wrong parking space. In this embodiment, the alarm signal is alarm data containing license plate information; the alarm signal can be obtained by shooting the license plate number of the vehicle on the parking space by the parking space alarm device, and then packaging the license plate information into an alarm instruction. The form of the alarm signal is various, and a preset specific instruction and the like can be used, and the embodiment of adding the alarm signal by using the license plate information is only one embodiment of the scheme, and the scheme that the alarm signal can be recognized by the vehicle is also within the protection scope of the invention. The method specifically comprises the following steps of S1 to S4:
and S1, receiving the alarm signal sent by the parking space alarm device, and determining whether the vehicle is in violation of parking currently according to the alarm signal.
The step of determining whether the vehicle is currently illegal according to the alarm signal comprises: and judging whether the license plate information in the alarm data is consistent with a preset number of the vehicle-mounted terminal, if so, determining that the vehicle belongs to illegal parking currently.
Specifically, the vehicle-mounted end is preset with the license plate number of the vehicle, the alarm signal sent by the parking space alarm device is compared with the license plate number preset by the vehicle-mounted end of the vehicle, and if the alarm signal is consistent with the license plate number preset by the vehicle-mounted end of the vehicle, the current parking space of the vehicle is determined to be wrong.
And S2, when the fact that the vehicle is in the current illegal parking state is determined, audio data of people in the vehicle are obtained, and feature recognition is carried out on the audio data to obtain user features.
In the present embodiment, the step S2 includes steps S21-S23, which are as follows: step S21, preprocessing the audio data, and filtering background noise to obtain foreground audio; step S22, dividing the foreground audio frequency into a plurality of sections of audio frequency data, and carrying out voiceprint recognition on each section of divided audio frequency data to obtain a plurality of voiceprint characteristics; and step S23, combining and packaging the obtained various voiceprint characteristics to obtain a voiceprint characteristic sequence, and taking the voiceprint characteristic sequence as the user characteristics.
Specifically, when the vehicle-mounted terminal determines that the vehicle currently belongs to the illegal parking, the vehicle-mounted terminal starts to acquire audio data of people in the vehicle, and the audio data needs to be divided into multiple sections of audio because multiple people possibly have conversations in the vehicle at the same time. Before audio segmentation, in order to improve the accuracy of feature recognition, audio data needs to be filtered to remove background noise. And finally, carrying out voiceprint recognition on the segmented multi-segment audio by using an audio recognition model so as to obtain various voiceprint characteristics, wherein the various voiceprint characteristics are used as user characteristics. The audio recognition model can utilize the existing audio model in the prior art to perform voiceprint recognition.
And S3, obtaining the correct parking space corresponding to the vehicle according to the user characteristics and obtaining the position information of the correct parking space.
In this embodiment, the vehicle-mounted end is provided with a parking space characteristic rule, and the parking space characteristic rule is used for associating voiceprint characteristics of an owner with a correct parking space of the owner; the correct parking space comprises the position information of the parking space.
The step S3 includes: and comparing the various voiceprint characteristics in the user characteristics with the parking space characteristic rule, determining a correct parking space associated with any voiceprint characteristic in the user characteristics in the parking space characteristic rule, and determining the position information of the correct parking space.
Specifically, according to the parking space feature rule preset by the vehicle-mounted terminal, the user feature identified in step S2 may be determined to obtain the owner voiceprint recorded in the rule, so as to obtain the location information of the correct parking space corresponding to the owner.
And S4, receiving the position information of the correct parking space, taking the position information as an end point and the current position of the vehicle as a starting point, and generating a navigation route so that the vehicle can reach the correct parking space.
Specifically, a navigation route is generated when a starting point and an ending point are known by recording or loading parking lot road information in advance, and the vehicle owner is guided to drive the vehicle to a correct parking space through the navigation route.
According to the technical scheme, after the vehicle owner parks the wrong parking space, the audio data of personnel in the vehicle are obtained and the characteristics are identified, and the position information of the correct parking space corresponding to the vehicle is obtained according to the user characteristics obtained through identification, so that accurate navigation is provided for finding the correct parking space, and an efficient and accurate vehicle navigation function can be realized after the vehicle owner parks the wrong parking space.
Example two
Accordingly, referring to fig. 2, a schematic structural diagram of a vehicle navigation device after parking space occupation according to another embodiment of the present invention is applied to a vehicle-mounted terminal, and the device includes: the device comprises a signal receiving module, a feature recognition module, a feature matching module and a vehicle navigation module.
And the signal receiving module is used for receiving an alarm signal sent by the parking space alarm device and determining whether the vehicle is illegal to stop according to the alarm signal.
In this embodiment, the alarm signal is alarm data containing license plate information; the signal receiving module is used for determining whether the vehicle is illegal to stop according to the alarm signal, and comprises the following steps: and judging whether the license plate information in the alarm data is consistent with a preset number of the vehicle-mounted terminal, if so, determining that the vehicle belongs to illegal parking currently.
And the characteristic identification module is used for acquiring audio data of personnel in the vehicle and carrying out characteristic identification on the audio data to obtain user characteristics when the fact that the vehicle is in the current illegal parking state is determined.
In this embodiment, the feature recognition module includes: the noise filtering unit is used for preprocessing the audio data and filtering background noise to obtain foreground audio; the audio segmentation unit is used for segmenting the foreground audio into a plurality of sections of audio data and carrying out voiceprint recognition on each segmented audio data to obtain a plurality of voiceprint characteristics; and the characteristic sequence unit is used for combining and packaging the obtained various voiceprint characteristics to obtain a voiceprint characteristic sequence, and the voiceprint characteristic sequence is used as the user characteristic.
And the characteristic matching module is used for obtaining the correct parking space corresponding to the vehicle according to the user characteristics and obtaining the position information of the correct parking space.
In this embodiment, the vehicle-mounted end is provided with a parking space characteristic rule, and the parking space characteristic rule is used for associating voiceprint characteristics of an owner with a correct parking space of the owner; the correct parking space comprises the position information of the parking space.
The feature matching module is specifically configured to: and comparing the various voiceprint characteristics in the user characteristics with the parking space characteristic rule, determining a correct parking space associated with any voiceprint characteristic in the user characteristics in the parking space characteristic rule, and determining the position information of the correct parking space.
And the vehicle navigation module is used for receiving the position information of the correct parking space, taking the position information as a terminal point, taking the current position of the vehicle as a starting point and generating a navigation route so as to enable the vehicle to reach the correct parking space.
EXAMPLE III
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; when the computer program runs, the device where the computer-readable storage medium is located is controlled to execute the vehicle navigation method after the parking space is occupied according to any one of the above embodiments.
Example four
Referring to fig. 3, the schematic structural diagram of an embodiment of a terminal device provided in an embodiment of the present invention is shown, where the terminal device includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, and when the processor executes the computer program, the processor implements the vehicle navigation method after occupying a space according to any of the embodiments.
Preferably, the computer program may be divided into one or more modules/units (e.g., computer program) that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used for describing the execution process of the computer program in the terminal device.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc., the general purpose Processor may be a microprocessor, or the Processor may be any conventional Processor, the Processor is a control center of the terminal device, and various interfaces and lines are used to connect various parts of the terminal device.
The memory mainly includes a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like, and the data storage area may store related data and the like. In addition, the memory may be a high speed random access memory, may also be a non-volatile memory, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), and the like, or may also be other volatile solid state memory devices.
It should be noted that the terminal device may include, but is not limited to, a processor and a memory, and those skilled in the art will understand that the terminal device is only an example and does not constitute a limitation of the terminal device, and may include more or less components, or combine some components, or different components.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a vehicle navigation method after parking stall is taken up, its characterized in that is applied to on-vehicle end, includes:
receiving an alarm signal sent by a parking space alarm device, and determining whether the vehicle is illegal to stop according to the alarm signal;
when the fact that the vehicle is in the current illegal parking state is determined, audio data of people in the vehicle are obtained, and feature recognition is conducted on the audio data to obtain user features;
obtaining a correct parking space corresponding to the vehicle and position information of the correct parking space according to the user characteristics;
and receiving the position information of the correct parking space, taking the position information as a terminal point, taking the current position of the vehicle as a starting point, and generating a navigation route so that the vehicle can reach the correct parking space.
2. The method for navigating the vehicle after the parking space is occupied according to claim 1, wherein the alarm signal is alarm data containing license plate information;
the step of determining whether the vehicle is currently illegal according to the alarm signal comprises: and judging whether the license plate information in the alarm data is consistent with a preset number of the vehicle-mounted terminal, if so, determining that the vehicle belongs to illegal parking currently.
3. The method for navigating the vehicle after occupying the parking space according to claim 1, wherein the step of obtaining the audio data of the person in the vehicle and performing the feature recognition on the audio data to obtain the user feature comprises the steps of:
preprocessing the audio data, and filtering background noise to obtain foreground audio;
dividing the foreground audio into a plurality of sections of audio data, and performing voiceprint recognition on each section of divided audio data to obtain a plurality of voiceprint characteristics;
and combining and packaging the obtained various voiceprint characteristics to obtain a voiceprint characteristic sequence, and taking the voiceprint characteristic sequence as the user characteristics.
4. The vehicle navigation method after the parking space is occupied according to claim 3, wherein a parking space characteristic rule is set at the vehicle-mounted end, and the parking space characteristic rule is used for associating the voiceprint characteristic of an owner with the correct parking space of the owner; the correct parking space comprises the position information of the parking space;
the step of obtaining the correct parking space corresponding to the vehicle and obtaining the position information of the correct parking space according to the user characteristics comprises the following steps:
and comparing the various voiceprint characteristics in the user characteristics with the parking space characteristic rule, determining a correct parking space associated with any voiceprint characteristic in the user characteristics in the parking space characteristic rule, and determining the position information of the correct parking space.
5. The utility model provides a vehicle navigation head after parking stall occupies which characterized in that is applied to on-vehicle end, includes:
the signal receiving module is used for receiving an alarm signal sent by the parking space alarm device and determining whether the vehicle is illegal to stop according to the alarm signal;
the characteristic identification module is used for acquiring audio data of personnel in the vehicle and carrying out characteristic identification on the audio data to obtain user characteristics when the fact that the vehicle is in the current illegal parking state is determined;
the characteristic matching module is used for obtaining a correct parking space corresponding to the vehicle according to the user characteristics and obtaining the position information of the correct parking space;
and the vehicle navigation module is used for receiving the position information of the correct parking space, taking the position information as a terminal point, taking the current position of the vehicle as a starting point and generating a navigation route so as to enable the vehicle to reach the correct parking space.
6. The post-occupancy vehicle navigation device of claim 5, wherein the warning signal is warning data containing license plate information;
the signal receiving module is used for determining whether the vehicle is illegal to stop according to the alarm signal, and comprises the following steps: and judging whether the license plate information in the alarm data is consistent with a preset number of the vehicle-mounted terminal, if so, determining that the vehicle belongs to illegal parking currently.
7. The post-occupancy vehicle navigation device of claim 5, wherein the feature recognition module comprises:
the noise filtering unit is used for preprocessing the audio data and filtering background noise to obtain foreground audio;
the audio segmentation unit is used for segmenting the foreground audio into a plurality of sections of audio data and carrying out voiceprint recognition on each segmented audio data to obtain a plurality of voiceprint characteristics;
and the characteristic sequence unit is used for combining and packaging the obtained various voiceprint characteristics to obtain a voiceprint characteristic sequence, and the voiceprint characteristic sequence is used as the user characteristic.
8. The vehicle navigation device after the parking space is occupied according to claim 7, wherein a parking space characteristic rule is set at the vehicle-mounted end, and the parking space characteristic rule is used for associating the voiceprint characteristic of an owner with the correct parking space of the owner; the correct parking space comprises the position information of the parking space;
the feature matching module is specifically configured to: and comparing the various voiceprint characteristics in the user characteristics with the parking space characteristic rule, determining a correct parking space associated with any voiceprint characteristic in the user characteristics in the parking space characteristic rule, and determining the position information of the correct parking space.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program; the computer program controls a device where the computer readable storage medium is located to execute the post-occupancy vehicle navigation method according to any one of claims 1 to 4 when the computer program runs.
10. A terminal device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, when executing the computer program, implementing the post-occupancy vehicle navigation method according to any one of claims 1-4.
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| CN202011637028.8A CN112833901A (en) | 2020-12-31 | 2020-12-31 | Vehicle navigation method, device, medium and terminal equipment after parking space occupation |
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