CN101373140A - Parking ground navigation method and system - Google Patents
Parking ground navigation method and system Download PDFInfo
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- CN101373140A CN101373140A CNA2008102167193A CN200810216719A CN101373140A CN 101373140 A CN101373140 A CN 101373140A CN A2008102167193 A CNA2008102167193 A CN A2008102167193A CN 200810216719 A CN200810216719 A CN 200810216719A CN 101373140 A CN101373140 A CN 101373140A
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Abstract
The invention is applicable to the vehicle navigation field, and provides a parking lot navigation method and a system. The method comprises the following steps: detecting peripheral parking lot information points of the current location of a vehicle to acquire the peripheral parking lot map data information; according to the map data information, calculating the distances between peripheral parking lot locations and the current vehicle location one by one, and screening out the parking lot information points within a detection scope; presenting the parking lot attribute information within the detection scope; and guiding the vehicle to a target parking lot according to the presented parking lot attribute information. The method and the system well solve the problem that a driver cannot discover a parking lot because of being unfamiliar to the peripheral facilities of a destination. The method and the system are particularly suitable for the situation that a driver can discover an available parking lot on a busy section of a downtown area or an area where parking lots are hidden.
Description
Technical field
The invention belongs to the automobile navigation field, relate in particular to a kind of parking ground navigation method and system.
Background technology
As a kind of location technology of maturation, (Global Positioning System GPS) has been widely used in people's productive life field to GPS, and wherein, vehicle mounted GPS guidance system is one of important application direction of GPS navigation technology.The gps antenna of vehicle mounted GPS guidance system receives from 3 data messages that transmitted in earth-circling 24 gps satellites at least, in conjunction with the electronic chart that is stored in the vehicle mounted guidance terminal, the position coordinates of determining by gps satellite signal is complementary therewith, determine the accurate position of vehicle in electronic chart, simultaneously, show on the map picture that sets on the display position, parking orientation, near road and peripheral facility on every side etc.Therefore, the driver can come driving vehicle according to the prompting of navigation and current road conditions according to above position that shows and parking orientation on map picture.
Though the guider of prior art generally can guide the driver to arrive the destination smoothly, but be not that all drivers are familiar with near road the destination and facility situation, remove non-driver and before arriving the destination, pass through other means (for example, online enquiries or seek advice from special department etc.) recognized the facility situation of this destination, otherwise the driver often is difficult to find the parking lot to park after arriving the destination.To build the place of open parking ground particularly outstanding bustling location or be unsuitable in the urban district for this situation, because the parking lot majority in these places or location can only be built at basement, the position is relatively hidden, concerning the driver who is unfamiliar with destination periphery situation, objectively increased the driver again and sought the difficulty of parking in the parking lot.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of parking ground navigation method, is intended to solve existing airmanship and is difficult to find periphery parking lot, destination and guides the driver to arrive the problem in parking lot.
The embodiment of the invention is achieved in that a kind of parking ground navigation method, said method comprising the steps of:
Detect periphery parking lot, the current position of vehicle information point, obtain the map data information in described peripheral parking lot;
According to described map data information, calculate between described position, peripheral parking lot and the current position of vehicle distance one by one and filter out the parking lot information point that is in the sensing range;
Point out the described attribute information that is in the parking lot in the sensing range;
According to the attribute information in the parking lot of described prompting, guided vehicle arrives the target parking lot.
Another purpose of the embodiment of the invention is to provide a kind of parking ground navigation system, and described system comprises:
Detection module is used to detect periphery parking lot, the current position of vehicle information point, obtains the map data information in described peripheral parking lot;
Parking lot information point processing module is used for according to described map data information, calculates between described position, peripheral parking lot and the current position of vehicle distance one by one and filters out the parking lot information point that is in the sensing range;
Reminding module is used to point out the described attribute information that is in the parking lot in the sensing range;
Navigation module is used for the attribute information according to the parking lot of described prompting, and guided vehicle arrives the target parking lot.
The present invention is by acquiescence or (comprise according to actual conditions and readjusting) sensing range is set, after the driver arrives the destination, detect the peripheral parking lot information point of the current position of vehicle, calculate the air line distance of the current position of vehicle and each parking lot information point of periphery and judge whether this air line distance is positioned at the sensing range that is provided with or gives tacit consent to, at last, the guiding driver arrives one of them parking lot in this sensing range.The present invention has solved well that the driver is unfamiliar with destination periphery facility (comprise the parking lot) and the problem that can not find the parking lot, especially is fit to the driver and bustling location or hidden place, position, parking lot finds the situation in available parking lot in the urban district.
Description of drawings
Fig. 1 is the parking ground navigation method realization flow figure that the embodiment of the invention provides;
Fig. 2 is the parking ground navigation system architecture synoptic diagram that the embodiment of the invention provides.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention is by setting or give tacit consent to a sensing range, after the driver arrives the destination, detect the peripheral parking lot information point of the current position of vehicle, calculate the air line distance of the current position of vehicle and each parking lot information point of periphery and judge whether this air line distance is positioned at the sensing range that is provided with or gives tacit consent to, at last, the guiding driver arrives one of them parking lot in this sensing range.
Consult Fig. 1, the parking ground navigation method realization flow that the embodiment of the invention provides, details are as follows.
Step S101, a given sensing range.
After sensing range can be defined as the driver and arrives certain destination, be the radial distance of a circle in the center of circle with the current position of vehicle.This sensing range can be an acquiescence sensing range, and in embodiment provided by the invention, the acquiescence sensing range is 2 kms.
Certainly, sensing range can be provided with before the driver arrives the destination, also can arrive behind the destination according to the situation of destination by the driver, detected vehicle number or personal like etc. are adjusted into a reasonable value.For example, in acquiescence or the sensing range that is provided with in advance, can only detect quantity seldom or detect, can readjust a sensing range greater than acquiescence or the sensing range that is provided with in advance less than the parking lot; Perhaps, in the sensing range of acquiescence or setting in advance, detect too much parking lot, can readjust a sensing range less than acquiescence or the prior sensing range that is provided with.
Step S102, the parking lot information point of the current position of detection vehicle periphery.
After the driver arrives the destination, begin to detect the parking lot information point of the current position of vehicle periphery by parking ground navigation of the present invention system.Detection method is as follows:
At first obtain the GPS information data of vehicle current location, the map datum with the navigation collection mates then, thereby determines the current position of vehicle affiliated area, and for example, the current position of vehicle belongs to certain area in certain city or certain city.
Because personal interest point (the Personal On Interesting that navigation is gathered, POI) the map data information file is to be stored in the memory device of navigational system according to area dividing, different POI objects has different sign (IDentification in POI map data information file, ID), for example, the ID that is identified in the POI map data information file in restaurant and market is different.The parking lot also be POI order a kind of, so it also leaves in the POI map data information file and unique ID is arranged.According to the current position of vehicle affiliated area, the POI map data information file of the current position of vehicle affiliated area in the memory device of enquiry navigation system, seek wherein all information points identical with the ID in parking lot, the map data information (comprising the geographical positional information in parking lot) of obtaining all parking lots of affiliated area, the current position of vehicle is also temporary.
Step S103 calculates the distance between current position of vehicle and the position, parking lot.
The geographical location information of geographical positional informations in all parking lots of the current position of the vehicle affiliated area that obtains according to step S102 and the current position of vehicle calculates the distance between the current position of vehicle and each position, parking lot one by one.
Step S104, screening parking lot information point.
In embodiment provided by the invention, can be according to the distance size screening parking lot information point between the current position of vehicle and each position, parking lot, concrete grammar is: the distance of the current position of vehicle to each position, parking lot is compared with acquiescence or the prior sensing range that is provided with one by one, if the distance of the current position of vehicle to certain position, parking lot is within the sensing range of acquiescence or setting in advance, then keep this parking lot information point, otherwise, abandon this parking lot information point.
As previously mentioned, because the excessive possibility of sensing range that has acquiescence or be provided with in advance causes detecting too much parking lot in this sensing range; Perhaps, acquiescence or the sensing range that is provided with in advance are too small, cause can only detecting quantity seldom or detect less than the parking lot in this sensing range.In order to improve screening effeciency, for above-mentioned two kinds of situations, can readjust one less than the sensing range of acquiescence or the sensing range that is provided with in advance or after readjusting a sensing range, screening parking lot information point in new sensing range greater than acquiescence or the sensing range that is provided with in advance.
Step S105 lists the parking lot in the sensing range.
In embodiment provided by the invention, can list the detected parking lot in the sensing range according to by as far as near mode, and show the distance between the current position of vehicle and each position, parking lot.
Step S106, the attribute in the parking lot that voice suggestion is listed.
During parking lot in showing sensing range, can also adopt voice to point out the attribute in listed parking lot successively, these attributes comprise parking lot title, present position and with the distance of the current position of vehicle etc.After the driver selected one of them parking lot, voice suggestion stopped, otherwise, the attribute voice suggestion in all parking lots of listing is finished.
Step S107, in map interface, the guiding driver arrives this parking lot with chosen parking lot attribute display.
As previously mentioned, the parking lot attribute comprise parking lot title, present position and with distance of the current position of vehicle etc.When the driver has selected a parking lot, this selected parking lot attribute will directly be shown in map interface, and the driver arrives this parking lot under the guiding of navigational system.
Consult Fig. 2, the parking ground navigation system architecture synoptic diagram that the embodiment of the invention provides.For convenience of explanation, only show the part relevant with the embodiment of the invention.This parking ground navigation system can be applicable to be used to find the parking lot and guides the driver to arrive the parking ground navigation device in parking lot, and module wherein or unit can be hardware cell, software unit or the software and hardware unit that combines.
The parking ground navigation system comprises sensing range memory module 201, detection module 202, parking lot information point processing module 203, reminding module 204, voice cue module 205 and navigation module 206.Sensing range memory module 201 is used to store a concrete sensing range, after it can be defined as the driver and arrives certain destination, with the current position of vehicle is the radial distance of a circle in the center of circle, and effect is in order to show that at this sensing range internal information point be alternative object.Sensing range can be that the sensing range or the driver of an acquiescence arrives the sensing range that is provided with before the destination, is stored in initial setting up unit 2011; Or the driver arrives behind the destination according to the situation of destination, a reasonable value adjusting of detected vehicle number or personal like, be stored in adjustment unit 2012, each module is moved according to the sensing range of adjusting gained afterwards, similarly is according to acquiescence in the initial setting up unit 2011 or the prior sensing range that is provided with.
After the driver arrived the destination, detection module 202 began to detect the parking lot information point of the current position of vehicle periphery.Detection method is as follows: the GPS information data of at first obtaining the vehicle current location, map datum with the navigation collection mates then, thereby determine the current position of vehicle affiliated area, for example, the current position of vehicle belongs to certain area in certain city or certain city.According to the current position of vehicle affiliated area, the POI map data information file of the current position of vehicle affiliated area in the memory device of enquiry navigation system, seek wherein all information points identical with the ID in parking lot, the map data information (comprising the geographical positional information in parking lot) of obtaining all parking lots of affiliated area, the current position of vehicle is also temporary.
In the current position of vehicle affiliated area detected parking lot information point and map data information (comprising the geographical positional information in parking lot) thereof, the metrics calculation unit 2031 of parking lot information point processing module 203 is calculated the distance between the current position of vehicle and each position, parking lot one by one according to detection module 202.Then, screening unit 2032 is according to the distance size screening parking lot information point between the current position of vehicle and each position, parking lot, concrete grammar is: the distance of the current position of vehicle to each position, parking lot is compared with acquiescence or the prior sensing range that is provided with one by one, if the distance of the current position of vehicle to certain position, parking lot is within the sensing range of acquiescence or setting in advance, then keep this parking lot information point, otherwise, abandon this parking lot information point.
In order to improve screening effeciency, when detection module 202 detects the seldom parking lot of (even detect less than) of too much parking lot or quantity at the current position of vehicle affiliated area, then screen unit 2032 and can readjust the gained sensing range, screening parking lot information point in new sensing range according to adjustment unit 2012.
And voice broadcast module 205 is used to point out the attribute in the listed parking lot of list cell 2041, particularly, can adopt voice to report the attribute in the listed parking lot of list cell 2041 (comprise parking lot title, present position and with distance of the current position of vehicle etc.) successively.After the driver selected one of them parking lot, voice suggestion stopped, otherwise all parking lot attribute voice broadcasts that list cell 2041 is listed finish.
The present invention is by acquiescence or (comprise according to actual conditions and readjusting) sensing range is set, after the driver arrives the destination, detect the peripheral parking lot information point of the current position of vehicle, calculate the air line distance of the current position of vehicle and each parking lot information point of periphery and judge whether this air line distance is positioned at the sensing range that is provided with or gives tacit consent to, at last, the guiding driver arrives one of them parking lot in this sensing range.The present invention overcome effectively existing airmanship smoothly guided vehicle arrive the destination and can not allow the driver further find the limitation in periphery parking lot, destination, solved well that the driver is unfamiliar with destination periphery facility (comprise the parking lot) and the problem that can not find the parking lot, especially be fit to the driver and bustling location or hidden place, position, parking lot find the situation in available parking lot in the urban district.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a parking ground navigation method is characterized in that, said method comprising the steps of:
Detect periphery parking lot, the current position of vehicle information point, obtain the map data information in described peripheral parking lot;
According to described map data information, calculate between described position, peripheral parking lot and the current position of vehicle distance one by one and filter out the parking lot information point that is in the sensing range;
Point out the described attribute information that is in the parking lot in the sensing range;
According to the attribute information in the parking lot of described prompting, guided vehicle arrives the target parking lot.
2. parking ground navigation method as claimed in claim 1 is characterized in that, the described attribute information that is in the parking lot in the sensing range of described prompting comprises with the described attribute information that is in the parking lot in the sensing range of tabular form demonstration.
3. parking ground navigation method as claimed in claim 1 is characterized in that, described sensing range comprises the initial detecting scope of acquiescence, the initial detecting scope of user's setting or the sensing range that the user readjusts.
4. parking ground navigation method as claimed in claim 1 is characterized in that, periphery parking lot, the current position of described detection vehicle information point, and the map data information step of obtaining described peripheral parking lot comprises:
With the GPS information data of the current position of vehicle and the map datum coupling of navigation collection;
Determine the current position of vehicle affiliated area by described matching result;
The personal interest point map data information file of the current position of enquiring vehicle affiliated area is sought wherein all information points identical with the ID in parking lot;
Obtain the map data information in all parking lots of affiliated area, the current position of vehicle.
5. parking ground navigation method as claimed in claim 1 is characterized in that, the described parking lot information point step that is in the sensing range that filters out comprises:
The distance of the current position of vehicle to each position, parking lot is compared with described sensing range one by one;
If the distance of the current position of vehicle to certain position, parking lot is within the described sensing range, then keep this parking lot information point, otherwise, abandon this parking lot information point.
6. a parking ground navigation system is characterized in that, described system comprises:
Detection module is used to detect periphery parking lot, the current position of vehicle information point, obtains the map data information in described peripheral parking lot;
Parking lot information point processing module is used for according to described map data information, calculates between described position, peripheral parking lot and the current position of vehicle distance one by one and filters out the parking lot information point that is in the sensing range;
Reminding module is used to point out the described attribute information that is in the parking lot in the sensing range;
Navigation module is used for the attribute information according to the parking lot of described prompting, and guided vehicle arrives the target parking lot.
7. parking ground navigation as claimed in claim 6 system is characterized in that described reminding module further comprises:
The voice broadcast module is used to use the described attribute information that is in the parking lot in the sensing range of voice broadcast.
8. parking ground navigation as claimed in claim 6 system is characterized in that described reminding module further comprises:
List cell is listed detected parking lot attribute information in the sensing range with the form of tabulation;
Selected parking lot template(-let), when being used for selected one of them parking lot of described list cell of driver, parking lot attribute that this is selected directly is shown in map interface.
9. parking ground navigation as claimed in claim 6 system is characterized in that, described sensing range comprises the sensing range that the initial detecting scope of acquiescence, initial detecting scope that the user is provided with or user readjust.
10. parking ground navigation as claimed in claim 6 system is characterized in that described parking lot information point processing module comprises:
Metrics calculation unit is used for calculating one by one the distance between the current position of vehicle to each position, parking lot;
The screening unit, the distance that is used for calculating the current position of gained vehicle to each position, parking lot compares with described sensing range, is retained in the parking lot information point in the described sensing range, abandons the outer parking lot information point of described sensing range.
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| CNA2008102167193A CN101373140A (en) | 2008-10-15 | 2008-10-15 | Parking ground navigation method and system |
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| CNA2008102167193A CN101373140A (en) | 2008-10-15 | 2008-10-15 | Parking ground navigation method and system |
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Application publication date: 20090225 |