WO2021135311A1 - 停车位置信息管理方法、装置、计算机储存介质及车辆中控设备 - Google Patents

停车位置信息管理方法、装置、计算机储存介质及车辆中控设备 Download PDF

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Publication number
WO2021135311A1
WO2021135311A1 PCT/CN2020/111563 CN2020111563W WO2021135311A1 WO 2021135311 A1 WO2021135311 A1 WO 2021135311A1 CN 2020111563 W CN2020111563 W CN 2020111563W WO 2021135311 A1 WO2021135311 A1 WO 2021135311A1
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vehicle
parking
parking lot
position information
information management
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PCT/CN2020/111563
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English (en)
French (fr)
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郑汉立
林恩良
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惠州市德赛西威汽车电子股份有限公司
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Publication of WO2021135311A1 publication Critical patent/WO2021135311A1/zh

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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
    • G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
    • G08G1/148—Management of a network of parking areas
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G06F16/7844—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using original textual content or text extracted from visual content or transcript of audio data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • 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
    • G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
    • G06V20/586—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of parking space
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • 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
    • 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
    • G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
    • G08G1/146—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas where the parking area is a limited parking space, e.g. parking garage, restricted space
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Definitions

  • the invention relates to the technical field of parking position information management, in particular to a parking position information management method, device, computer storage medium and vehicle central control equipment.
  • the existing vehicle built-in system can basically realize the function of sending GPS location information.
  • the GPS location information is sent to the server as a relay, and then sent to the smart mobile terminal and/or parking lot. It is aimed at ordinary parking lots, that is, the floor complexity is relatively high. For low parking floors, such as single-storey parking lots, after the APP on the smart mobile terminal obtains the GPS location information of the vehicle, it is basically easier to locate the specific location of the vehicle.
  • a parking position information management method, device, computer storage medium, and vehicle central control equipment that can obtain the parking space floor value of the parking lot where the vehicle is located is provided.
  • a parking position information management method includes the following steps:
  • the vehicle height difference, vehicle mileage, and vehicle travel time are also collected, and the floor value of the parking space of the parking lot where the vehicle is located is calculated.
  • the vehicle travel height difference is defined as H
  • the vehicle travel distance is defined as S
  • the vehicle travel time is defined as T
  • the preset single-floor limit distance is defined as s
  • the limit parking time of the preset vehicle is defined as t
  • the floor limit height of the preset parking lot is defined as h
  • the initial parking space floor value of the parking lot where the vehicle is located is defined as L
  • the parking space floor value of the parking lot where the vehicle is located Defined as N;
  • N -(L-
  • the vehicle image is also collected and stored;
  • the image of the vehicle within the preset time before the vehicle is parked is retrieved.
  • the vehicle image includes a vehicle reversing image, a vehicle driving record image, and/or a vehicle panoramic image.
  • optical character recognition is performed on the panoramic image of the vehicle, and the parking space numbers of two adjacent parking spaces are respectively obtained, and the current parking space numbers of the parking lot are calculated.
  • the vehicle reversing image, the vehicle driving record image, and/or the vehicle panoramic image are also sent.
  • the GPS location information of the vehicle is also sent.
  • a parking position information management device including:
  • the determination module is used to determine whether the vehicle is parked
  • the optical character recognition module is used to perform optical character recognition on the vehicle image to obtain the parking space number containing the parking space floor value of the parking lot where the vehicle is located.
  • the sending module is used to send the parking lot number of the parking lot.
  • a computer storage medium storing a computer program.
  • the processor executes the steps of any one of the parking position information management methods described above.
  • a vehicle central control device including:
  • One or more processors are One or more processors;
  • the storage device is configured to store one or more programs, and when the one or more programs are executed by the one or more processors, the one or more processors realize the parking described in any one of the above The steps of the location information management method.
  • the present invention has the following beneficial technical effects:
  • the above-mentioned parking position information management method sends the parking space number of the parking lot, and through more types of vehicle images, can use more channels or more data volume to analyze and calculate the information containing the parking lot where the vehicle is located.
  • the parking space number of the parking space floor value can know the parking space floor value of the parking lot where the vehicle is located and the remaining parking position information contained in the parking space number to obtain more accurate parking position information.
  • FIG. 1 is a flowchart of steps of a parking position information management method according to an embodiment of the present invention.
  • Fig. 2 is a reversing image diagram of a vehicle according to an embodiment of the present invention.
  • Fig. 3 is a reversing image diagram of a vehicle according to another embodiment of the present invention.
  • FIG. 4 is a graph of the relationship between the vehicle travel height difference and the vehicle travel time according to an embodiment of the present invention.
  • Fig. 5 is a functional block diagram of a parking position information management device according to an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the internal structure of a vehicle central control device according to an embodiment of the present invention.
  • the parking position information management method includes the following steps:
  • the parking information needs to be obtained. Generally, it can only be done after the vehicle is parked. In other words, only when the vehicle is actually parked, the vehicle parking information obtained is what the user really needs, and the vehicle parking information needs to be obtained by calling the vehicle image. And in the follow-up analysis of vehicle images, in order to achieve the purpose of obtaining vehicle parking information.
  • the vehicle when it is recognized that the engine of the vehicle is turned off, it is determined that the vehicle is parked. Specifically, when the vehicle key is pulled out, or after the vehicle start-stop button is pressed and the vehicle is turned off, it is determined that the vehicle is parked.
  • the vehicle determines that the vehicle is parked if the vehicle does not perform any driving action within a preset time. For example, the vehicle does not perform a driving action within 30 minutes to determine that the vehicle is parked.
  • the vehicle image is also collected and stored; this is because after the parking is determined, it refers to a certain point in time after parking, that is, the point in time can be when the car key is pulled out, or when the key is pulled out. The moment when the vehicle start-stop button is pressed and the vehicle is turned off. It can be understood that after the vehicle is parked, the vehicle is in a non-driving state, and the image acquisition device on the vehicle can only collect images of the specific state after the vehicle has stopped. It is difficult or impossible to collect enough accurate parking information and can be used for calculation and analysis. To obtain the precise parking information, it is necessary to collect vehicle images before parking the vehicle, so as to complete the basic data collection for the subsequent calculation and analysis of the data required for the parking space floor value of the parking lot where the vehicle is located.
  • the vehicle image after determining that the vehicle is parked, retrieve the vehicle image within the preset time before the vehicle is parked. It can be understood that the time required for parking is generally within a range. If too much is retrieved, it has nothing to do with the parking. The vehicle image will inevitably increase the amount of calculation, and even affect the accuracy of the parking position information obtained by analyzing and calculating after the stop.
  • the vehicle image includes a vehicle reversing image, a vehicle driving record image, and/or a vehicle panoramic image.
  • FIG. 2 and Figure 3 take the reversing image of the vehicle as an example.
  • a reversing camera which is attached to the rear of the car. It can help the vehicle detect blind spots to see the vehicle. In the latter situation, when the vehicle is reversing, the reversing camera will automatically turn on. Therefore, when the vehicle is reversing into the parking frame, the camera can capture the parking lot number assigned to the vehicle, that is, the reversing image of the vehicle contains the corresponding assigned to the vehicle.
  • the parking lot number as shown in FIG. 2, the parking lot number assigned to the vehicle is 204, and as shown in FIG. 3, the parking lot number 125 is assigned to the vehicle.
  • the number of parking spaces assigned to the vehicle is also more complicated, and generally includes the parking space value of the parking lot where the vehicle is located, for example, the vehicle is a parking lot or a parking lot.
  • No. 203 in Area A on the 3rd floor of the car park is generally numbered "3-A-203".
  • the vehicle is No. 425 on the negative 2nd floor of the car park or car park, and the number of the car park is generally "- 2-425", such as the numbering principle, will make the parking space number of the parking lot contain the parking space floor value of the parking lot where the vehicle is located.
  • the parking lot number containing the parking lot floor value of the parking lot where the vehicle is located can be obtained by subsequent analysis and calculation with more channels or more data volume.
  • the vehicle reversing image, the vehicle driving record image, and/or the vehicle panoramic image are also sent. It can be understood that the user or the parking lot manager receives the parking lot that contains the parking space floor value of the parking lot where the vehicle is located. In the parking lot numbering, you can encounter difficulties in finding the specific parking space. By sending vehicle reversing images, vehicle driving record images, and/or vehicle panoramic images, you can provide users or parking lot administrators with more driving trajectories. For reference, find the route by confirming the parking space.
  • the panoramic image of the vehicle in the parking state is also sent in real time to better monitor or obtain the specific environmental conditions of the vehicle after parking, so as to supervise the vehicle situation or provide a certain reference for finding a parking space.
  • S120 Perform optical character recognition on the vehicle image to obtain a parking lot number containing the floor value of the parking lot of the parking lot where the vehicle is located.
  • optical character recognition (OCR) technology is used on the vehicle image to obtain the parking lot number corresponding to the vehicle in the parking state.
  • OCR optical character recognition
  • OCR optical Character Recognition
  • ANPR Automatic License Plate Recognition
  • the system here is different from ANPR.
  • the system here is used to identify the assigned number of the parking lot, and it uses the existing ones in many current vehicles.
  • the hardware is implemented in the car itself, so the owner may not need to purchase an additional camera for this.
  • the system in the vehicle will automatically process this data and send the result to the APP in the driver's mobile phone.
  • some vehicles are equipped with multiple cameras, and the system should use all cameras suitable for increasing the image capture rate of the designated number of the parking lot.
  • the system will process the data.
  • the system in the vehicle will save the video file of the parking process, but will not automatically send it to the APP on the driver's mobile phone.
  • the system should save the last n minutes of recorded video before the driver turns off the engine. n is configurable, and the default value is 5 minutes. If the driver needs more information about the parking environment, he can request the system to send a video.
  • the parking space number of the parking lot is sent out, for example, the vehicle central control device that executes the steps of the method sends it to the parking lot, or
  • the server is forwarded to the parking lot or the user's smart mobile terminal, or the vehicle central control device sends the steps of the method to its own display screen for visualization or loudspeaker playback to send the parking lot number.
  • the parking lot administrator or user receives the parking space number of the parking lot, which means that after receiving the parking space number containing the parking space floor value of the parking lot where the vehicle is located, they can know the parking space floor value of the parking lot where the vehicle is located. , And obtain more accurate parking position information through the remaining parking position information contained in the parking space number of the parking lot.
  • the vehicle height difference, vehicle mileage, and vehicle travel time are also collected, and the parking space floor value of the parking lot where the vehicle is located is calculated.
  • the height difference of the vehicle is defined as H
  • the mileage of the vehicle is defined as S
  • the travel time of the vehicle is defined as T
  • the preset single-floor limit distance is defined as s
  • the preset vehicle travels The limit parking time is defined as t
  • the floor limit height of the preset parking lot is defined as h
  • the initial parking space floor value of the parking lot where the vehicle is located is defined as L
  • the parking space floor value of the parking lot where the vehicle is located is defined as N;
  • N -(L-
  • the pressure sensor is used as a key device for estimating which floor the vehicle is located on.
  • the system can use the pressure sensor to add parking position information to estimate the floor at the current location.
  • the system will use altitude and time data, and the system records the average altitude of the current current; if the system detects that the altitude has increased within a certain period of time, and the subsequent height is a stable value, the system will add an additional level of the current estimated position Add 1 to the floor. If the system detects that the height drops within a certain period of time, and the trailing edge is a stable value of a certain height, the system will subtract 1 from the floor of the current estimated position by subtracting level 1.
  • the system will reset the floor level of the current estimated location to 1.
  • the default value of x is 1 km.
  • the default value of y is 3 meters.
  • the values of x and y are configured by the user.
  • the system detects that the height has increased too high within a certain period of time (more than a reasonable value for the height of a floor level), it will estimate the current height by dividing the total height difference by y and use the formula in the following table To calculate. This may happen in the following situations:
  • h the height gap detected by the system in a specific time
  • the system detects an excessive drop in height (more than a reasonable value for the height of a floor) within a certain period of time, it will use the formula in the following table to calculate. This may happen in the following situations:
  • h the height gap detected by the system in a specific time
  • the vehicle image includes a vehicle reversing image, a vehicle driving record image, and/or a vehicle panoramic image. Further, optical character recognition is performed on the panoramic image of the vehicle, and the parking space numbers of two adjacent parking spaces are respectively obtained, and the current parking space numbers of the parking lot are calculated.
  • the GPS location information of the vehicle is also sent, combined with the parking space floor value of the parking lot where the vehicle is located, and the parking space number of the parking lot can be obtained to better find the specific parking space.
  • the above-mentioned parking position information management method transmits the parking lot number of the parking lot, and through more types of vehicle images, it is possible to use more channels or more data volume to analyze and calculate the information containing the parking lot where the vehicle is located.
  • the parking space number of the parking space floor value can know the parking space floor value of the parking lot where the vehicle is located and the remaining parking position information contained in the parking space number to obtain more accurate parking position information.
  • the parking lot vehicle locator can be one of the functions of IVI.
  • the function mode will be automatically activated when the building is in the field.
  • the smart camera in the car can only capture 2-3 alphanumeric characters that are large enough on the pillar, as shown in the figure below. These characters indicate the level of the parking lot.
  • the smart camera will only keep a copy of the level information (one byte) in the system/application database. Any camera with different levels of information will update/overwrite this byte of information. The last copy in the database is where the driver parked.
  • the reversing camera When the driver activates the reverse gear, the reversing camera is automatically triggered.
  • the inverted camera has an optical character recognition (OCR) function that can capture batch numbers, the same as the column number capture technology. This technology has been well applied in the automatic license plate recognition (ANPR) of highway traffic police speeding detectors.
  • OCR optical character recognition
  • ANPR automatic license plate recognition
  • the IVI system will immediately record the level and location information, trigger the driver's mobile phone via Bluetooth, and send the information to his mobile phone via the SMS service.
  • the short message can be sent in stages like this: "Your vehicle is parked in the parking lot No.127 on the B2 floor". In this way, the main function of this additional function of the vehicle is to enable the driver to easily find the vehicle, and it is a time-saving method of retrieving the vehicle. If the driver cannot remember where the vehicle is parked, there is no need to search for the vehicle.
  • the parking position information management device includes a determination module 100, a retrieval module 200, an optical character recognition module 300, and a sending module 400.
  • the determination module 100 is used to determine whether the vehicle is parked, the retrieval module 200 is used to retrieve vehicle images, the optical character recognition module 300 is used to perform optical character recognition on the vehicle images, and the sending module 400 is used to send the parking lot. Parking space number.
  • the above-mentioned parking position information management device is equipped with the determination module 100, the retrieval module 200, the optical character recognition module 300, and the sending module 400 to collect basic data for the subsequent calculation and analysis of the data required for the parking space floor value of the parking lot where the vehicle is located. Work, by calculating the parking lot number containing the parking lot floor value of the parking lot where the vehicle is located.
  • a vehicle central control device includes a processor, a storage medium, a memory, a display screen, an input device, and a communication module connected by a device bus.
  • the storage medium of the server stores an operating device, a database, and a parking position information management device
  • the database stores geographic location information, parking lot information, preset value information set by the user, multimedia information, etc.
  • the parking position information management device It is used to realize a parking position information management method suitable for vehicle central control equipment.
  • the processor of the vehicle central control device is used to provide calculation and control capabilities to support the operation of the entire vehicle central control device.
  • the memory of the vehicle central control device provides an environment for the operation of the parking position information management device in the storage medium.
  • the display screen of the vehicle central control device can be a liquid crystal display or an electronic ink display screen, etc.
  • the input device can be a touch layer covered on the display screen, or a button, trackball or touchpad set on the terminal shell, or It can be an external keyboard, touchpad, or mouse.
  • the communication module or network interface of the vehicle central control device is used to communicate with the external terminal through the network connection, such as receiving the request sent by the terminal and returning data to the terminal.
  • a vehicle central control device includes: one or more processors; a storage device for storing one or more programs, when the one or more programs are processed by the one or more When the device is executed, the one or more processors are caused to implement the steps of the parking position information management method described above.
  • the program can be stored in a non-volatile computer readable storage medium.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), etc.
  • a computer storage medium stores a computer program, and when the computer program is executed by a processor, the processor executes the steps of the parking position information management method described above.

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Abstract

一种停车位置信息管理方法通过发送停车场车位编号，通过更多类型的车辆影像，能够以更多途径或者更多数据量来在后续分析计算得到包含有该车辆所在停车场的车位楼层值的停车场车位编号，可以知悉车辆所在停车场的车位楼层值，以及通过该停车场车位编号所内含的其余停车位置信息，以获取更为精确的停车位置信息。

Description

停车位置信息管理方法、装置、计算机储存介质及车辆中控设备 技术领域
本发明涉及停车位置信息管理技术领域，特别涉及一种停车位置信息管理方法、装置、计算机储存介质及车辆中控设备。
背景技术
现有车辆内置系统基本可以实现对GPS位置信息的发送功能，一般将GPS位置信息发送至服务器作为中转，再发送至智能移动终端和/或停车场，其针对普通停车场，即楼层复杂度较低的停车层，如单层停车场而言，智能移动终端上的APP获取车辆GPS位置信息后，基本可以较为容易地定位出车辆的具体位置。
然而，针对楼层复杂，如多层停车场而言，单纯依赖GPS位置信息无法获取车辆的较为的精确停车位置信息，即较难获取车辆的具体楼层，即较难获取车辆所在停车场的车位楼层值。
发明内容
鉴于上述技术问题，提供一种能够获取车辆所在停车场的车位楼层值的停车位置信息管理方法、装置、计算机储存介质及车辆中控设备。
一种停车位置信息管理方法，包括如下步骤：
判定车辆停车后，调取车辆影像；
对所述车辆影像进行光学字符识别，得到含有车辆所在停车场的车位楼层值的停车场车位编号；
发送所述停车场车位编号。
在其中一个实施例中，还采集车辆行驶高度差、车辆行驶里程以及车辆行驶时间，计算得到所述车辆所在停车场的车位楼层值。
在其中一个实施例中，将所述车辆行驶高度差定义为H，将所述车辆行驶里程定义为S，将所述车辆行驶时间定义为T，将预设单楼层极限距离定义为s，将预设车辆行驶的极限停车时间定义为t，将预设停车场的楼层极限高度定义为h，将车辆所在停车场的初始车位楼层值定义为L，将所述车辆所在停车场的车位楼层值定义为N；
若S＞s，且H＝0，则N＝1；
若T＜t，且|H|＞h，且H＞0，N＝L+|H|/h；
若T＜t，且|H|＞h，且H小于0，N＝-(L-|H|/h)。
在其中一个实施例中，500m＜s＜1000m，5min＜t＜30min，3m＜h＜6m。
在其中一个实施例中，当识别车辆发动机关闭，则判定车辆停车。
在其中一个实施例中，在车辆停车前，还采集车辆影像，并存储；
在判定车辆停车后，调取车辆停车前的预设时间内的车辆影像。
在其中一个实施例中，所述车辆影像包括车辆倒车影像、车辆行驶记录影像和/或车辆全景影像。
在其中一个实施例中，对所述车辆全景影像进行光学字符识别，分别得到相邻的两个车位停车场车位编号，计算得到当前所述停车场车位编号。
在其中一个实施例中，还发送车辆倒车影像、车辆行驶记录影像和/或车辆全景影像。
在其中一个实施例中，还发送车辆GPS位置信息。
一种停车位置信息管理装置，包括：
判定模块，用于判定所述车辆是否停车；
调取模块，用于调取车辆影像；
光学字符识别模块，用于对所述车辆影像进行光学字符识别，得到含有车辆所在停车场的车位楼层值的停车场车位编号。
发送模块，用于发送所述停车场车位编号。
一种计算机存储介质，存储有计算机程序，所述计算机程序被处理器执行时，使得所述处理器执行上述任一项所述停车位置信息管理方法的步骤。
一种车辆中控设备，包括：
一个或多个处理器；
存储装置，用于存储一个或多个程序，当所述一个或多个程序被所述一个或多个处理器执行时，使得所述一个或多个处理器实现上述任一项所述的停车位置信息管理方法的步骤。
与现有技术相比，本发明具有如下有益技术效果：
上述所述的停车位置信息管理方法通过发送所述停车场车位编号，通过更多类型的车辆影像，能够以更多途径或者更多数据量来在后续分析计算得到包含有该车辆所在停车场的车位楼层值的所述停车场车位编号，可以知悉车辆所在停车场的车位楼层值，以及通过该所述停车场车位编号所内含的其余停车位置信息，以获取更为精确的停车位置信息。
附图说明
图1为本发明一实施方式的停车位置信息管理方法的步骤流程图。
图2为本发明一实施方式的车辆倒车影像图。
图3为本发明另一实施方式的车辆倒车影像图。
图4为本发明一实施方式的车辆行驶高度差和车辆行驶时间的关系曲线图。
图5为本发明一实施方式的停车位置信息管理装置的功能模块图。
图6为本发明一实施方式的车辆中控设备的内部结构示意图。
附图仅用于示例性说明，不能理解为对本专利的限制；为了更好说明本实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的；相同或相似的标号对应相同或相似的部件；附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征更易被本领域技术人员理解，从而对本发明的保护范围作出更为清楚的界定。
如图1所示，本发明一实施方式的停车位置信息管理方法的包括如下步骤：
S110、判定车辆停车后，调取车辆影像。
需要获取停车信息，一般都需要在车辆停车后，才能进行，或者说，只有当车辆真正停车后，获取的车辆停车信息才是用户真正需要的，而获取车辆停车信息需要通过调取车辆影像，并在后续分析车辆影像，以达到获取车辆停车信息的目的。
在一实施例中，当识别车辆发动机关闭，则判定车辆停车。具体地，当车钥匙拔出时，或者按下车辆启停按钮并使车辆熄火后，则判定车辆停车。
当然，也可以通过车辆在预设时间内未做任何行驶动作，以判定车辆停车，如，车辆在30分钟内未做行驶动作，以判定车辆停车。
在一实施例中，在车辆停车前，还采集车辆影像，并存储；这是因为在判定停车后是指停车后一个确定的时间点，即该时间点可以是车钥匙拔出时，或者按下车辆启停按钮并使车辆熄火的瞬间时间点。可以理解，在停车后，车辆处于未行驶状态，车辆上的影像采集装置只能采集车辆停止后该特定状态的影像，是较难或者无法针对精准停车信息，去采集足够且能够用于计算分析得到该精准停车信息的，因此，需要在车辆停车前，还采集车辆影像，从而为后续计算分析得到车辆所在停车场的车位楼层值所需数据做好基础数据采集工作。
进一步地，在判定车辆停车后，调取车辆停车前的预设时间内的车辆影像，可以理解，停车所需时间一般来说都在一个范围内，若调取过多与该次停车无关的车辆影像，则势必会增加计算量，甚至影响该次停车后，分析计算得到的停车位置信息的精准度。
在一实施例中，所述车辆影像包括车辆倒车影像、车辆行驶记录影像和/或车辆全景影像。
具体地，如2和图3，以车辆倒车影像为例进行说明，目前，多数车辆已经配备了倒车摄像头，它附在是连接到汽车的后部，它可以帮助车辆检测盲点，以看到车辆后面的状况，当车辆倒车时，倒车摄像头会自动打开，因此在倒车进入车位架的过程中，摄像头能够捕捉分配给该车辆对应的停车场车位编号，即车辆倒车影像含有分配给该车辆对应的停车场车位编号，如图2所示，分配给该车辆对应的停车场车位编号是204，如图3所示，分配给该车辆对应的停车场车位编号125。
进一步地，针对楼层复杂，如多层停车场而言，其分配给该车辆对应的停车场车位编号也较为复杂，一般都会包含车辆所在停车场的车位楼层值，例如，车 辆为停车场或停车架的3楼A区203号，一般其停车场车位编号为“3-A-203”，又如，车辆为停车场或停车架的负2楼425号，一般其停车场车位编号为“-2-425”，诸如此类编号原理，都会使所述停车场车位编号包含有该车辆所在停车场的车位楼层值。
更进一步地，通过更多类型的车辆影像，能够以更多途径或者更多数据量来在后续分析计算得到包含有该车辆所在停车场的车位楼层值的所述停车场车位编号。
在一实施例中，还发送车辆倒车影像、车辆行驶记录影像和/或车辆全景影像，可以理解，用户或停车场管理员在收到包含有该车辆所在停车场的车位楼层值的所述停车场车位编号时，可以在找寻该具体车位时，会遇到困难，通过发送车辆倒车影像、车辆行驶记录影像和/或车辆全景影像，可以为用户或者停车场管理员提供更多的行驶轨迹的参考，以印证车位找寻路径。
进一步地，还实时发送处于停车状态后的车辆全景影像，以更好地监控或者获取车辆在停车后的具体环境状况，以实现监督车辆情况，或者为找寻车位提供一定参考。
S120、对所述车辆影像进行光学字符识别，得到含有车辆所在停车场的车位楼层值的停车场车位编号。
具体地，在所述车辆影像上使用光学字符识别(OCR)技术，获取停车状态时的车辆对应的所述停车场车位编号。光学字符识别(OCR)技术已用于其他领域，例如自动牌照识别(ANPR)，这里的系统与ANPR不同，这里的系统用于识别停车场的分配编号，并且它使用当前许多车辆中现有的硬件在汽车本身中实现，因此可能不需要车主为此购买额外的摄像头。车辆中的系统将自动处理此数 据，并将结果发送到驾驶员手机中的APP。
具体地，某些车辆配备多个摄像头，系统应利用所有适合提高该停车场指定号码图像捕获率的摄像机。系统将处理数据。
具体地，车辆中的系统将保存停车过程的视频文件，但不会自动发送到APP在司机的手机。系统应在驾驶员关闭发动机之前保存最后n分钟的录制视频。n是可配置的，默认值为5分钟。如果司机需要获取有关停车环境的更多信息，可以请求系统发送视频。
S130、发送所述停车场车位编号。
当通过步骤S120获得含有车辆所在停车场的车位楼层值的所述停车场车位编号后，将所述停车场车位编号发送出去，例如，执行该方法步骤的车辆中控设备发送至停车场，或者通过服务器转送至停车场或用户智能移动终端，亦或者，执行该方法步骤车辆中控设备发送给其自身的显示屏进行可视化或者扬声器进行播放等方式，以将所述停车场车位编号发送。
具体地，停车场管理员或者用户收到所述停车场车位编号，是指收到含有车辆所在停车场的车位楼层值的所述停车场车位编号后，可以知悉车辆所在停车场的车位楼层值，以及通过该所述停车场车位编号所内含的其余停车位置信息，以获取更为精确的停车位置信息。
在一实施例中，还采集车辆行驶高度差、车辆行驶里程以及车辆行驶时间，计算得到所述车辆所在停车场的车位楼层值。
具体地，将所述车辆行驶高度差定义为H，将所述车辆行驶里程定义为S，将所述车辆行驶时间定义为T，将预设单楼层极限距离定义为s，将预设车辆行驶的极限停车时间定义为t，将预设停车场的楼层极限高度定义为h，将车辆所在 停车场的初始车位楼层值定义为L，将所述车辆所在停车场的车位楼层值定义为N；
若S＞s，且H＝0，则N＝1；
若T＜t，且|H|＞h，且H＞0，N＝L+|H|/h；
若T＜t，且|H|＞h，且H小于0，N＝-(L-|H|/h)。
在一实施例中，500m＜s＜1000m，5min＜t＜30min，3m＜h＜6m。
结合上述函数关系，给出如下具体实施例以进一步进行说明：
具体地，请参阅图4，压力传感器作为用于估计车辆位置位于哪个楼层的关键器件，系统可以使用压力传感器添加停车位置信息，以估计当前位置的楼层。系统将使用高度与时间数据，系统记录当前电流的平均高度；如果系统检测到高度在一特定时间内增加，并且其后沿特定高度为稳定值，则系统将按1个添加级别当前估计位置的楼层加1。如果系统检测到高度在一特定一定时间内下降，并且其后沿为特定高度的稳定值，则系统将减去水平1当前估计位置的楼层减1。
具体地，如果车辆移动超过x公里，且未检测到任何y米高度差，系统将重置当前估计位置的楼层水平为1。x的默认值为1公里。y的默认值为3米。x和y的值由用户配置。
也就是说：
if(车辆移动距离>x公里)
if(在这距离期间未检测到任何y米高度差)
当前估计位置的楼层＝1
具体地，如果系统在一特定一定时间内检测到高度增加过高(超过一个楼层级别高度的合理值)，则它将通过将总高度差与y除以来估计当前高度会用以下 表格内的公式来计算。这可能会发生在以下的情形：
a.当汽车使用汽车电梯上更高的楼层
b.当汽车使用螺旋坡道爬上更高的楼层
对于某些使用螺旋坡道或汽车升降机直接将汽车带到建筑物的特定级别的停车建筑，可能会发生这种情况。
L＝原本估计位置的楼层
h＝系统在特定时间内检测到的高度差距
s＝一个楼层高度合理值的上限
if(h>s)
当前估计位置的楼层＝L+h/y
具体地，如果系统在特定时间内检测到高度下降过多(超过一个楼层高度的合理值)，会用以下表格内的公式来计算。这可能会发生在以下的情形：
a.当汽车使用汽车电梯下更低的楼层
b.当汽车使用螺旋坡道下至更低的楼层
L＝原本估计位置的楼层
h＝系统在特定时间内检测到的高度差距
s＝一个楼层高度合理值的上限
if(h>s)
当前估计位置的楼层＝L-h/y
具体地，所述车辆影像包括车辆倒车影像、车辆行驶记录影像和/或车辆全景影像。进一步地，对所述车辆全景影像进行光学字符识别，分别得到相邻的两个车位停车场车位编号，计算得到当前所述停车场车位编号。
在一实施例中，还发送车辆GPS位置信息，结合所述车辆所在停车场的车位楼层值，又能获得所述停车场车位编号，更好地找寻具体车位。
上述所述的停车位置信息管理方法通过发送所述停车场车位编号，通过更多类型的车辆影像，能够以更多途径或者更多数据量来在后续分析计算得到包含有该车辆所在停车场的车位楼层值的所述停车场车位编号，可以知悉车辆所在停车场的车位楼层值，以及通过该所述停车场车位编号所内含的其余停车位置信息，以获取更为精确的停车位置信息。
在此需要对所述光学字符识别步骤以及所述发送所述停车场车位编号步骤做进一步说明，停车场车辆定位器可以是IVI的功能之一，当车辆进入被GPS应用程序识别为多层停车场的建筑物时，该功能模式将自动启用。在这种功能模式下，车内的智能摄像头只能捕捉柱子上足够大的2-3个字母数字字符，如下图所示。这些字符表示停车场的水平。智能摄像头将只在系统/应用程序数据库中保留一个级别信息副本(一个字节)。任何具有不同级别信息的相机都将更新/覆盖这一字节信息。数据库中的最后一个副本是司机停车的位置。当驾驶员启动倒车档时，倒车摄像头自动触发。该反相相机具有光学字符识别(OCR)功能，可以捕获批号，与柱号捕获技术相同。该技术在高速公路交通警察超速检测器的车牌自动识别(ANPR)中得到了很好的应用。车辆的驾驶员一旦启动停车装置，IVI系统将立即记录下水平和地段信息，并通过蓝牙触发驾驶员的手机，通过短信服务将该信息发送到自己的手机上。具体地，短信可以这样分阶段发送:“您的车辆停在B2层127号停车场”。如此，车辆的这一附加功能的主要作用是使驾驶员能够很容易地找到车辆，而且是一种省时的检索车辆的方法，如果驾驶员记不住停放车辆的位置，就不必搜索车辆。
如图5所示，本发明一实施方式的停车位置信息管理装置，包括判定模块100、调取模块200、光学字符识别模块300及发送模块400。
判定模块100用于判定所述车辆是否停车，调取模块200用于调取车辆影像，光学字符识别模块300用于对所述车辆影像进行光学字符识别，发送模块400用于发送所述停车场车位编号。
上述所述停车位置信息管理装置通过设置判定模块100、调取模块200、光学字符识别模块300及发送模块400，为后续计算分析得到车辆所在停车场的车位楼层值所需数据做好基础数据采集工作，通过计算得到含有车辆所在停车场的车位楼层值的停车场车位编号。
如图6所示，本发明一实施方式的车辆中控设备包括通过装置总线连接的处理器、存储介质、内存、显示屏、输入装置和通讯模块。其中，该服务器的存储介质存储有操作装置、数据库和停车位置信息管理装置，数据库中存储地理位置信息、停车场信息、用户设定的预设值信息、多媒体信息等，该停车位置信息管理装置用于实现适用于车辆中控设备的一种停车位置信息管理方法。该车辆中控设备的处理器用于提供计算和控制能力，支撑整个车辆中控设备的运行。该车辆中控设备的内存为存储介质中的停车位置信息管理装置的运行提供环境。该车辆中控设备的显示屏可以是液晶显示屏或者电子墨水显示屏等，输入装置可以是显示屏上覆盖的触摸层，也可以是终端外壳上设置的按键、轨迹球或触控板，也可以是外接的键盘、触控板或鼠标等。该车辆中控设备的通讯模块或网络接口用于据以与外部的终端通过网络连接通信，比如接收终端发送的请求以及向终端返回数据等。
在一实施例中，一种车辆中控设备，包括：一个或多个处理器；存储装置， 用于存储一个或多个程序，当所述一个或多个程序被所述一个或多个处理器执行时，使得所述一个或多个处理器实现如上述任一所述的停车位置信息管理方法的步骤。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一非易失性计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)等。
在一实施例中，一种计算机存储介质，存储有计算机程序，所述计算机程序被处理器执行时，使得所述处理器执行如上述任一所述的停车位置信息管理方法的步骤。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (13)

  1. 一种停车位置信息管理方法，其特征在于，包括如下步骤：
    判定车辆停车后，调取车辆影像；
    对所述车辆影像进行光学字符识别，得到含有车辆所在停车场的车位楼层值的停车场车位编号；
    发送所述停车场车位编号。
  2. 如权利要求1所述的停车位置信息管理方法，其特征在于，还采集车辆行驶高度差、车辆行驶里程以及车辆行驶时间，计算得到所述车辆所在停车场的车位楼层值。
  3. 如权利要求2所述的停车位置信息管理方法，其特征在于，将所述车辆行驶高度差定义为H，将所述车辆行驶里程定义为S，将所述车辆行驶时间定义为T，将预设单楼层极限距离定义为s，将预设车辆行驶的极限停车时间定义为t，将预设停车场的楼层极限高度定义为h，将车辆所在停车场的初始车位楼层值定义为L，将所述车辆所在停车场的车位楼层值定义为N；
    若S＞s，且H＝0，则N＝1；
    若T＜t，且|H|＞h，且H＞0，N＝L+|H|/h；
    若T＜t，且|H|＞h，且H小于0，N＝-(L-|H|/h)。
  4. 如权利要求1所述的停车位置信息管理方法，其特征在于，500m＜s＜1000m，5min＜t＜30min，3m＜h＜6m。
  5. 如权利要求1所述的停车位置信息管理方法，其特征在于，当识别车辆发动机关闭，则判定车辆停车。
  6. 如权利要求1所述的停车位置信息管理方法，其特征在于，在车辆停车前，还采集车辆影像，并存储；
    在判定车辆停车后，调取车辆停车前的预设时间内的车辆影像。
  7. 如权利要求1所述的停车位置信息管理方法，其特征在于，所述车辆影像包括车辆倒车影像、车辆行驶记录影像和/或车辆全景影像。
  8. 如权利要求7所述的停车位置信息管理方法，其特征在于，对所述车辆全景影像进行光学字符识别，分别得到相邻的两个车位停车场车位编号，计算得到当前所述停车场车位编号。
  9. 如权利要求7所述的停车位置信息管理方法，其特征在于，还发送车辆倒车影像、车辆行驶记录影像和/或车辆全景影像。
  10. 如权利要求1所述的停车位置信息管理方法，其特征在于，还发送车辆GPS位置信息。
  11. 一种停车位置信息管理装置，其特征在于，包括：
    判定模块，用于判定所述车辆是否停车；
    调取模块，用于调取车辆影像；
    光学字符识别模块，用于对所述车辆影像进行光学字符识别，得到含有车辆所在停车场的车位楼层值的停车场车位编号。
    发送模块，用于发送所述停车场车位编号。
  12. 一种计算机存储介质，存储有计算机程序，其特征在于，所述计算机程序被处理器执行时，使得所述处理器执行如权利要求1至10中任一项所述停车位置信息管理方法的步骤。
  13. 一种车辆中控设备，其特征在于，包括：
    一个或多个处理器；
    存储装置，用于存储一个或多个程序，当所述一个或多个程序被所述一个或 多个处理器执行时，使得所述一个或多个处理器实现如权利要求1至10中任一项所述的停车位置信息管理方法的步骤。
PCT/CN2020/111563 2019-12-31 2020-08-27 停车位置信息管理方法、装置、计算机储存介质及车辆中控设备 WO2021135311A1 (zh)

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