CN111354216A - Vehicle parking position identification method and device and related equipment - Google Patents
Vehicle parking position identification method and device and related equipment Download PDFInfo
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- CN111354216A CN111354216A CN201811572194.7A CN201811572194A CN111354216A CN 111354216 A CN111354216 A CN 111354216A CN 201811572194 A CN201811572194 A CN 201811572194A CN 111354216 A CN111354216 A CN 111354216A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
Abstract
The invention provides a method, a device and related equipment for identifying a vehicle parking position, wherein the method comprises the steps of acquiring a video stream in a preset time period before a front camera and/or a rear camera of a vehicle is flamed out when the vehicle is monitored to be flamed out; information identifying images in the video stream; and generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information. Through the monitoring to the vehicle state, and then when discerning that the vehicle is flame-out, can in time acquire the leading camera of vehicle and/or the video stream in the preceding predetermined period of time of rear camera flame-out, and right image discernment in the video stream has realized parking stall information or parking environment's the discernment of parking position, and the user of being convenient for finds corresponding parking position fast accurate, strengthens user's use and experiences.
Description
Technical Field
The invention relates to the technical field of position identification, in particular to a method and a device for identifying a parking position of a vehicle and related equipment.
Background
Along with the improvement of living standard, more and more automobiles enter families of common people to serve as travel tools for people to go out, but meanwhile, along with the increase of the number of the automobiles, finding the automobiles parked in the parking lot gradually becomes a difficult problem which troubles car owners, particularly, in order to solve the parking problem which troubles people, the parking lot tends to be larger, and under the condition, the problem of how to quickly find the favorite automobiles in the large parking lot is increasingly prominent.
With the rapid development of the internet, the development of the internet of things technology has been greatly developed, so that people's life brings more and more convenience and experience is better and better. The problem of difficulty in finding a vehicle does not have a better solution all the time, so that a method, a device and related equipment for identifying a vehicle parking position are urgently needed to meet the requirements of people.
Disclosure of Invention
In view of the above, the present invention proposes a method, a device and a related apparatus for identifying a parking location of a vehicle that overcome or at least partially solve the above problems.
Specifically, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a method for identifying a parking position of a vehicle, including:
when the vehicle is monitored to be flameout, acquiring a video stream in a preset time period before the front camera and/or the rear camera of the vehicle is flameout;
information identifying images in the video stream;
and generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information.
In one embodiment, the information identifying the image in the video stream includes:
denoising and balancing each frame of image in a video stream, and extracting a region containing parking space identification information in the image, wherein the parking space identification information comprises letters and/or numbers;
matching the parking space identification information with pre-stored templates, and identifying to obtain parking space information corresponding to the images, wherein each template is a single letter or number.
In an embodiment, the matching the parking space identification information with a pre-stored template to identify and obtain the parking space information corresponding to the image specifically includes:
and when the matching degree value of the parking space identification information and the template is greater than or equal to a preset matching degree threshold value, judging that the parking space identification information is consistent with the content of the template, and identifying and obtaining the parking space information corresponding to the image based on the content of the template.
In an embodiment, the generating of the prompt information based on the identified image information specifically includes:
when the identified image information contains parking space identification information, generating prompt information based on the parking space identification information;
and when the identified image information does not contain parking space identification information, acquiring position information of the vehicle parking position and/or a frame of picture in the video stream, and generating prompt information based on the position information and/or the picture.
In one embodiment, the picture includes a picture of the vehicle parking location and/or a picture of the periphery of the vehicle parking location.
In one embodiment, before the video stream is acquired, the turn-on timings of the front camera and the rear camera are determined:
when the starting of the vehicle is monitored, a front camera of the vehicle is turned on;
and when the situation that the vehicle recognizes a reversing signal is monitored, opening a rear camera of the vehicle.
In one embodiment, the reverse signal is specifically:
the signal generated by the user opening the reverse gear during the vehicle travel.
In one embodiment, the monitoring that the vehicle is turned off specifically includes:
the vehicle engine is monitored to be out of service, or the vehicle engine is monitored to be out of service and the driver safety belt is released.
In a second aspect, an embodiment of the present invention provides an apparatus for identifying a parking position of a vehicle, the apparatus including:
the monitoring module is used for monitoring vehicle flameout;
the acquisition module is used for acquiring a video stream in a preset time period before a front camera and/or a rear camera of a vehicle is flamed out when the vehicle is monitored to be flamed out;
the image information identification module is used for identifying information of images in the video stream;
and the generating module is used for generating prompt information based on the identified image information and identifying the parking position of the vehicle according to the prompt information.
In a third aspect, an embodiment of the present invention provides a terminal device, which includes:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the method for identifying a parking location of a vehicle according to the embodiment of the present invention.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for identifying a parking position of a vehicle provided by the embodiment of the present invention.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
in the embodiment of the invention, the current state of a vehicle is monitored, and when the vehicle is monitored to be flameout, a video stream in a preset time period before the front camera and/or the rear camera of the vehicle is flameout is acquired; then identifying information of images in the video stream; and finally, generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information. As can be seen from the above description, in the embodiment of the present invention, by monitoring the vehicle state, when it is identified that the vehicle is flamed out, the video stream within the preset time period before the flamed out of the front camera and/or the rear camera of the vehicle can be timely obtained, and the image in the video stream is identified, so that the identification of the parking space information or the parking environment of the parking position is realized, the user can quickly and accurately find the corresponding parking position, and the use experience of the user is enhanced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of a method for identifying a parking position of a vehicle according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating information for identifying images in the video stream according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus for identifying a parking position of a vehicle according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to a third embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent 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.
The first embodiment is as follows:
in accordance with an embodiment of the present invention, there is provided an embodiment of a method for identifying a parking location of a vehicle, it being noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions and that, although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that presented herein.
An embodiment of the present invention provides a method for identifying a parking position of a vehicle, as shown in fig. 1, which may include the following steps S101 to S104:
s101: monitoring the current state of the vehicle;
s102: when the vehicle is monitored to be flameout, acquiring a video stream in a preset time period before the front camera and/or the rear camera of the vehicle is flameout;
in this embodiment, in the driving process of a vehicle, it is necessary to determine the turn-on timings of the front camera and the rear camera, and to input the video in front of and/or behind the vehicle, which is recorded by the front camera and/or the rear camera, as a streaming video image;
further, when the starting of the vehicle is monitored, a front camera of the vehicle is started, and specifically, the front camera is mounted at the front end of the vehicle and is used for shooting the driving environment in front of the vehicle in the driving process;
further, when a reversing signal is monitored to be recognized by the vehicle, a rear camera of the vehicle is turned on, and specifically, the rear camera is mounted at the rear end of the vehicle and is used for shooting the environment behind the vehicle in a reversing state;
further, wide-angle cameras can be selected for use for the front camera and the rear camera to record 1080P videos, so that the shot visual field is larger and clearer, the recognition rate is more accurate and higher, the front camera or the rear camera can be arranged on the terminal equipment, or the front camera or the rear camera is in wireless communication connection with the terminal equipment, or the front camera or the rear camera is connected with the server.
S103: information identifying images in the video stream;
in this embodiment, can be through the terminal tentatively discerning the video stream that obtains, when discerning parking stall identification information in the video stream, then further discerning the parking stall identification information that discerns through the template that the terminal prestores, obtain corresponding parking stall information, can also be should have in the video stream extract this image that has parking stall identification information to upload to high in the clouds, the template that prestores through the high in the clouds is further discerned the parking stall identification information that discerns, obtains corresponding parking stall information.
S104: and generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information.
In this embodiment, two situations are specifically included, that is, when the identified image information includes the parking space identification information, the prompt information is generated based on the parking space identification information; or when the identified image information does not contain parking space identification information, acquiring position information of the vehicle parking position and/or a frame of picture in the video stream, and generating prompt information based on the position information and/or the picture, wherein the picture is specifically the picture containing the vehicle parking position and/or the picture around the vehicle parking position, and the best prompt information is provided for a user in a targeted manner, so that the user can find the vehicle parking position quickly and conveniently.
In one embodiment, the information for identifying the image in the video stream, as shown in fig. 2, may include the following steps S201 to S204:
s201: denoising and balancing each frame of image in a video stream, and extracting a region containing parking space identification information in the image, wherein the parking space identification information comprises letters and/or numbers;
in this embodiment, each frame of image in the video stream is denoised and equalized, so as to highlight other graphic features except for the background color in the image, when performing preliminary identification, whether a planned parking space marking line exists in the video stream can be identified through the image identification module, and then whether parking space information is included is preliminarily determined, and after identifying that the planned parking space marking line exists, further, an area including parking space identification information in the image is extracted, specifically, the parking space identification information includes letters, numbers or a combination of the letters and the numbers.
S202: matching the parking space identification information with pre-stored templates, wherein each template is a single letter or number;
in this embodiment, the recognized parking space identification information is respectively matched with a single template, the performance of the application equipment is set according to the method, the single letter template or the single digital module is prestored at the cloud or the terminal, and the matching process is set at the cloud, so that the data processing load of the terminal can be greatly reduced, the data processing speed is accelerated, and the loss of the equipment can be effectively reduced.
S203: when the matching degree value of the parking space identification information and the template is larger than or equal to a preset matching degree threshold value, judging that the parking space identification information is consistent with the content of the template;
in this embodiment, when the parking space identification information is matched with a single template, the template is matched with the parking space identification information one by one, when the matching degree value is greater than or equal to the threshold value of the matching degree, the coincidence degree of the template and the parking space identification information is judged to be higher, and the content of the corresponding matched parking space identification information is judged according to the template.
S204: and identifying and obtaining the parking space information corresponding to the image based on the content of the template.
In this embodiment, the content identified based on template matching is integrated, and finally the required parking space information corresponding to the image is obtained.
Further, in one embodiment, when a user starts a vehicle in a driving process, the front camera of the vehicle is started to record a video, when the stop of an engine of the vehicle is monitored, or when the stop of the engine of the vehicle is monitored and a safety belt of a driver is removed, the vehicle is determined to be flameout, and at the moment, a video stream in a preset time period before flameout in the front camera is obtained and identified; in another embodiment, when a user opens a reverse signal generated by a reverse gear during the driving process of the vehicle, the video streams in the front camera and the rear camera within a preset time period before flameout are acquired and identified.
Specifically, when the image is identified to contain the parking space identification information, such as A056, the identified parking space identification information A056 is sent to the user, so that the user can quickly and accurately find the corresponding parking space A056; when the identified image information does not contain parking space identification information, position information of the vehicle parking position is obtained, or a picture containing the vehicle parking position and/or a frame of picture around the vehicle parking position is obtained in a video stream according to a time reverse sequence, the picture can be a picture of an environment in front of the vehicle or a picture of an environment behind the vehicle, prompt information is generated based on the position information and/or the picture, the position information and/or the picture are sent to a user, and the user can quickly and accurately find a corresponding parking space through the position information or the picture or a combination of the position information and the picture.
Example two
An embodiment of the present invention provides an apparatus for identifying a parking position of a vehicle, as shown in fig. 3, the apparatus including:
a monitoring module 31 for monitoring whether the vehicle is turned off;
the acquisition module 32 is configured to acquire, when it is monitored that a vehicle is turned off, a video stream within a preset time period before a front camera and/or a rear camera of the vehicle is turned off;
an image information identifying module 33 for identifying information of images in the video stream;
and the generating module 34 is used for generating prompt information based on the identified image information and identifying the parking position of the vehicle according to the prompt information.
In this embodiment, the monitoring module is further configured to monitor whether the vehicle is started and whether the vehicle recognizes a reverse signal.
In this embodiment, the image information recognition module includes:
the image processing unit is used for denoising and balancing each frame of image in the video stream;
the image extraction unit is used for extracting an area containing parking space identification information in the image, wherein the parking space identification information comprises letters and/or numbers;
and the matching unit is used for matching the parking space identification information with pre-stored templates to identify and obtain the parking space information corresponding to the image, wherein each template is a single letter or number.
In this embodiment, the generating module includes:
the first generating subunit is used for generating first prompt information based on the parking space identification information when the identified image information contains the parking space identification information;
and the second generation subunit is used for acquiring the position information of the vehicle parking position and/or a frame of picture in the video stream when the identified image information does not contain the parking space identification information, and generating second prompt information based on the position information and/or the picture.
EXAMPLE III
As shown in fig. 4, a terminal device provided in the third embodiment of the present invention includes: one or more processors 41 and storage 42; the processor 41 in the terminal device may be one or more, and one processor 41 is taken as an example in fig. 4; storage 42 is used to store one or more programs; the one or more programs are executed by the one or more processors 41, so that the one or more processors 41 implement the method of identifying a parking location of a vehicle according to any one of the embodiments of the present invention.
The terminal device may further include: an input device 43 and an output device 44.
The processor 41, the storage device 42, the input device 43 and the output device 44 in the terminal equipment may be connected by a bus or other means, and the connection by the bus is exemplified in fig. 4.
The storage device 42 in the terminal device is used as a computer-readable storage medium for storing one or more programs, which may be software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the method for identifying a parking position of a vehicle provided in the embodiment of the present invention (for example, the modules in the device for identifying a parking position of a vehicle shown in fig. 3 include the monitoring module 31, the obtaining module 32, the image information identifying module 33, and the generating module 34). The processor 41 executes various functional applications and data processing of the terminal device by executing software programs, instructions and modules stored in the storage device 42, that is, implements the method for identifying a parking position of a vehicle in the above-described method embodiment.
The storage device 42 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the storage 42 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 42 may further include memory located remotely from processor 41, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 43 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal device. The output device 44 may include a display device such as a display screen.
And, when the one or more programs included in the above-mentioned terminal device are executed by the one or more processors 41, the programs perform the following operations:
when the vehicle is monitored to be flameout, acquiring a video stream in a preset time period before the front camera and/or the rear camera of the vehicle is flameout;
information identifying images in the video stream;
and generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information.
Example four
An embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, is configured to perform a method for identifying a parking location of a vehicle, the method including:
when the vehicle is monitored to be flameout, acquiring a video stream in a preset time period before the front camera and/or the rear camera of the vehicle is flameout;
information identifying images in the video stream;
and generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information.
Alternatively, the program may be used to perform the method for identifying a parking position of a vehicle according to any of the embodiments of the present invention when executed by the processor.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), a flash Memory, an optical fiber, a portable CD-ROM, an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. A computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take a variety of forms, including, but not limited to: an electromagnetic signal, an optical signal, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, Radio Frequency (RF), etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method of identifying a parking location for a vehicle, comprising:
when the vehicle is monitored to be flameout, acquiring a video stream in a preset time period before the front camera and/or the rear camera of the vehicle is flameout;
information identifying images in the video stream;
and generating prompt information based on the identified image information, and identifying the parking position of the vehicle according to the prompt information.
2. The method of claim 1, wherein the information identifying the image in the video stream comprises:
denoising and balancing each frame of image in a video stream, and extracting a region containing parking space identification information in the image, wherein the parking space identification information comprises letters and/or numbers;
matching the parking space identification information with pre-stored templates, and identifying to obtain parking space information corresponding to the images, wherein each template is a single letter or number.
3. The method according to claim 2, wherein the parking space identification information is matched with a pre-stored template, and parking space information corresponding to the image is obtained through recognition, specifically:
and when the matching degree value of the parking space identification information and the template is greater than or equal to a preset matching degree threshold value, judging that the parking space identification information is consistent with the content of the template, and identifying and obtaining the parking space information corresponding to the image based on the content of the template.
4. The method according to claim 1, wherein the generating of the prompt information based on the identified image information specifically includes:
when the identified image information contains parking space identification information, generating prompt information based on the parking space identification information;
and when the identified image information does not contain parking space identification information, acquiring position information of the vehicle parking position and/or a frame of picture in the video stream, and generating prompt information based on the position information and/or the picture.
5. The method according to claim 4, wherein the picture comprises a picture of a parking position of the vehicle and/or a picture of the surroundings of the parking position of the vehicle.
6. The method of claim 1, wherein prior to acquiring the video stream, determining turn-on timings of the front camera and the rear camera:
when the starting of the vehicle is monitored, a front camera of the vehicle is turned on;
and when the situation that the vehicle recognizes a reversing signal is monitored, opening a rear camera of the vehicle.
7. The method according to claim 1, wherein the reverse signal is specifically:
the signal generated by the user opening the reverse gear during the vehicle travel.
8. The method according to claim 1, wherein the monitoring of the vehicle flameout is in particular:
the vehicle engine is monitored to be out of service, or the vehicle engine is monitored to be out of service and the driver safety belt is released.
9. An apparatus for identifying a parking position of a vehicle, the apparatus comprising:
the monitoring module is used for monitoring vehicle flameout;
the acquisition module is used for acquiring a video stream in a preset time period before a front camera and/or a rear camera of a vehicle is flamed out when the vehicle is monitored to be flamed out;
the image information identification module is used for identifying information of images in the video stream;
and the generating module is used for generating prompt information based on the identified image information and identifying the parking position of the vehicle according to the prompt information.
10. A terminal device, comprising:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the method of identifying a parking location of a vehicle as claimed in any one of claims 1-8.
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| CN113650564A (en) * | 2021-07-30 | 2021-11-16 | 北京百度网讯科技有限公司 | Method, apparatus, vehicle, medium, and program product for vehicle license exhibition |
| CN114038232A (en) * | 2021-10-28 | 2022-02-11 | 超级视线科技有限公司 | Roadside parking management method and system based on edge end calculation and storage combination |
| CN114550489A (en) * | 2022-01-28 | 2022-05-27 | 深圳市海雀科技有限公司 | Vehicle searching information processing method, system and related device |
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