CN104200660A - Method and device for updating road condition information - Google Patents
Method and device for updating road condition information Download PDFInfo
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- CN104200660A CN104200660A CN201410436548.0A CN201410436548A CN104200660A CN 104200660 A CN104200660 A CN 104200660A CN 201410436548 A CN201410436548 A CN 201410436548A CN 104200660 A CN104200660 A CN 104200660A
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Abstract
The invention provides a method and a device for updating road condition information. The method comprises the steps of obtaining the latest traffic information of a road a in one time period, comparing the latest traffic information with the historical traffic information of the road a in the same time period, taking the historical traffic of the road a as reference, if the latest traffic of the road a sharply increases within a non-set interval in the same time period relative to the historical traffic, updating the road condition information of the road a to be a new open road section, and if the latest traffic of the road a sharply drops within the non-set interval in the same time period relative to the historical traffic, updating the road condition information of the road a to be abnormal condition. The method for updating the road condition information is used for updating the road information of the road by analyzing the traffic status of the road in one time period and the historical traffic status of the same road in the same time period by use of mass data, and therefore, the updating cycle of the road condition information is greatly improved, and the timeliness ratio of discovering road obstacles and new open roads is high.
Description
[technical field]
The present invention relates to method and device that a kind of traffic information upgrades, particularly a kind of traffic information update method and device based on historical flow record.
[background technology]
Using in GPS navigation process, because navigation fails to upgrade traffic information, it is found that the situation that often there will be the road in guidance path to be blocked due to reasons such as construction, Accidents, traffic control.This is very painful something for pedestrian, in the time running into this kind of situation, can only not stop to detour, so that the path making new advances is recalculated in navigation, not only wastes time and energy, and also can increase greatly Trip Costs.
In addition, newly open (comprise and again opening with open-minded for the first time) at road, also cannot obtain in time the traffic information of renewal.
[summary of the invention]
The method and the device that provide a kind of traffic information to upgrade are provided one of object of the present invention.
One of for achieving the above object, a kind of method that an embodiment of the present invention provides traffic information to upgrade, it comprises:
Obtain the recent flow information of mono-time period of road a;
Described recent flow information is compared with the historical flow information of time period with described road a;
Using the historical flow of described road a as with reference to benchmark, judge the relatively historical flow of the recent flow interior steep increasing in the non-setting district of section appearance at one time of described road a, the traffic information of described road a is updated to and newly opens section; If suddenly falling in non-setting regions appears in the relatively historical flow of the recent flow of described road a at one time section, the traffic information of described road a is updated to abnomal condition.
As a further improvement on the present invention, described abnomal condition is for blocking or current limliting.
As a further improvement on the present invention, described " if the relatively historical flow of the recent flow of described road a at one time section there is suddenly falling in non-setting regions, the traffic information of described road a is updated to abnomal condition " step, specifically comprise:
If the historical flow flow greatly in the near future of same time period of described road a, and described road a is less than or equal to default minimum flow at the recent flow of described time period, the traffic information of described road a is updated to abnomal condition.
As a further improvement on the present invention, the value of described default minimum flow/historical flow is for being tending towards or equaling 0.
As a further improvement on the present invention, described " if the interior steep increasing in the non-setting district of section appearance at one time of the relatively historical flow of the recent flow of described road a is updated to the traffic information of described road a newly to open section " step, specifically comprises:
If the recent flow of same time period of described road a is greater than historical flow, and described road a is less than or equal to default minimum flow at the historical flow of described time period, by the traffic information of described road a for newly opening section.
The value of described default minimum flow as a further improvement on the present invention ,/recent flow is for being tending towards or equaling 0.
As a further improvement on the present invention, if fail to match described road a in existing map, using described road a as opening for the first time section; If match described road a in existing map, using described road a as recovering current section.
As a further improvement on the present invention, obtain the road a flow information of mono-time period, its step specifically comprises:
Obtain the movement locus of some mobile terminals, wherein, the movement locus of each mobile terminal is made up of multiple coordinate information corresponding to each mobile terminal;
Fall into the movement locus of road a according to section track at the appointed time, calculate the flow information that obtains described this time period of road a.
As a further improvement on the present invention, described " obtaining the coordinate information of some mobile terminals, wherein its multiple coordinate informations of each acquisition for mobile terminal " comprising:
At interval of a predetermined period and/or obtain the coordinate information of a mobile terminal apart from step-length.
As a further improvement on the present invention, described method also comprises:
Traffic information after upgrading is sent to mobile terminal.
One of for achieving the above object, the device that an embodiment of the present invention provides a kind of traffic information to upgrade, it comprises:
Acquisition of information module, for obtaining the recent flow information of mono-time period of road a;
Traffic information update module, for comparing with described road a described recent flow information with the historical flow information of time period; And
Using the historical flow of described road a as with reference to benchmark, if the relatively historical flow of the recent flow of described road a at one time section there is the steep increasing in non-setting district, the traffic information of described road a is updated to and newly opens section; If suddenly falling in non-setting regions appears in the relatively historical flow of the recent flow of described road a at one time section, the traffic information of described road a is updated to abnomal condition.
As a further improvement on the present invention, described abnomal condition is for blocking or current limliting.
As a further improvement on the present invention, described traffic information update module is used for:
If the historical flow flow greatly in the near future of same time period of described road a, and described road a is less than or equal to default minimum flow at the recent flow of described time period, the traffic information of described road a is updated to abnomal condition.
As a further improvement on the present invention, the value of described default minimum flow/historical flow is for being tending towards or equaling 0.
As a further improvement on the present invention, described traffic information update module is used for:
If the recent flow of same time period of described road a is greater than historical flow, and described road a is less than or equal to default minimum flow at the historical flow of described time period, by the traffic information of described road a for newly opening section.
The value of described default minimum flow as a further improvement on the present invention ,/recent flow is for being tending towards or equaling 0.
As a further improvement on the present invention, described traffic information update module also for:
If fail to match described road a in existing map, using described road a as opening for the first time section; If match described road a in existing map, using described road a as recovering current section.
As a further improvement on the present invention, described acquisition module is used for:
Obtain the movement locus of some mobile terminals, wherein, the movement locus of each mobile terminal is made up of multiple coordinate information corresponding to each mobile terminal;
Fall into the movement locus of road a according to section track at the appointed time, calculate the flow information that obtains described this time period of road a.
As a further improvement on the present invention, described acquisition module is used for:
At interval of a predetermined period and/or obtain the coordinate information of a mobile terminal apart from step-length.
As a further improvement on the present invention, described device also comprises:
Traffic information sending module, for being sent to mobile terminal by the traffic information after upgrading.
Compared with prior art, the present invention by the current road of large data analysis sometime section flow situation and same period with the historical flow situation of road, upgrade the traffic information of this road, greatly promote the update cycle of traffic information, the obstacle of road, newly the discovery promptness rate opened is high, and greatly reduces the cost of artificial renewal traffic information.
[brief description of the drawings]
Fig. 1 is the method flow diagram of road conditions information updating in an embodiment of the present invention;
Fig. 2 is the apparatus module figure of road conditions information updating in an embodiment of the present invention.
[embodiment]
In order to make the object, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, in an embodiment of the present invention, described road condition updating method comprises:
Obtain the recent flow information of mono-time period of road a; Wherein, obtaining the flow information of road mono-time period of a can realize in the following manner: described road a exists one of them of road.
Obtain the movement locus of some mobile terminals, wherein, the movement locus of each mobile terminal is made up of multiple coordinate information corresponding to each mobile terminal; In the present embodiment, can and/or obtain the coordinate information of a mobile terminal apart from step-length at interval of a predetermined period.
Described mobile terminal can comprise mobile phone, panel computer, vehicle GPS etc.It can locate the geographic position of this mobile terminal by GPS, WIFI, base station, to obtain the coordinate information of mobile terminal.The movement locus of this mobile terminal can consist of multiple coordinate informations in mobile terminal, also can get after multiple coordinate informations of described mobile terminal at server, forms described movement locus at server end.
Fall into the movement locus of road a according to section track at the appointed time, calculate the flow information that obtains described this time period of road a.In an embodiment of the present invention, as long as in the time that mobile phone, panel computer, vehicle GPS are opened related application, just open record gesture function, the movement locus of the mobile terminal that server end gets can comprise free flow information, wherein, from free the flow information of one time period of selection as with reference to data, to facilitate the contrast historical flow of the same period, for example, select 18 o'clock flow informations to 20 o'clock this time period as with reference to data, to compare the historical flow information of 18 o'clock to 20 o'clock these time periods.Like this, the significantly variation issue of flow that can avoid different time sections to produce, the fluctuations in discharge of the road a of for example morning peak 7 o'clock to 9 o'clock and 3:00 AM to 5.By obtaining the movement locus on road a in the time period, can calculate the flow information of road a in this time period.The movement locus getting and/or flow information all can be stored.
The mode of the flow information of mono-time period of above-mentioned acquisition road a, is applicable to obtaining of recent flow information and historical flow information.
Described recent flow information is compared with the historical flow information of time period with described road a; Described recent flow information, the flow information of the road a of represented is above-mentioned time period nearest with current time; Described historical flow information can be the flow information of the road a of any above-mentioned time period before described recent flow information, certainly, described historical flow information can adopt the comparatively stable flow interval (flow of the road a in most of above-mentioned time periods is distributed in this interval) of described road a within the above-mentioned time period; Certainly, in the present embodiment, described historical flow information also can be the flow information of the above-mentioned time period of entering with current time time, so, can improve the promptness rate that upgrades traffic information.
Using the historical flow of described road a as with reference to benchmark, if the relatively historical flow of the recent flow of described road a at one time section there is the steep increasing in non-setting district, the traffic information of described road a is updated to and newly opens section; If suddenly falling in non-setting regions appears in the relatively historical flow of the recent flow of described road a at one time section, the traffic information of described road a is updated to abnomal condition.Wherein, described abnomal condition is for blocking or current limliting.Certainly, before upgrading, also can carry out manual intervention, by the way, determine that the road conditions of road a are reported to the police after newly opening section or abnomal condition, then by after artificial confirmation, then traffic information is upgraded.
Wherein, if the recent flow of same time period of described road a is greater than historical flow, and described road a is less than or equal to default minimum flow at the historical flow of described time period, by the traffic information of described road a for newly opening section.The value of described default minimum flow/recent flow is for being tending towards or equaling 0.
Be appreciated that, in the time that a road a does not open, movement locus on this collecting by said method road a should be 0 in theory, or have only a few vehicle in the time that road a does not open for example, on this road a current (Construction traffic), and after road a opens, the recent flow of same time period will significantly promote, and the value of now described historical flow/recent flow is for being tending towards or equaling 0.It is certainly, described that default minimum flow/value of flow is also tending towards or equals 0 in the recent period.Described 0 the standard that is tending towards, those skilled in the art can be by the concrete condition of historical flow, in the recent period the concrete condition of flow determine, in the time being less than certain reservation value, thinks that the value of this history flow/recent flow is for being tending towards 0.In like manner, default minimum flow also can be set accordingly.
Further, if fail to match described road a in existing map, using described road a as opening for the first time section; If match described road a in existing map, using described road a as recovering current section.
If the historical flow flow greatly in the near future of same time period of described road a, and described road a is less than or equal to default minimum flow at the recent flow of described time period, the traffic information of described road a is updated to abnomal condition.
Be appreciated that, in the time that a road a is blockade, movement locus on this collecting by said method road a should be 0 in theory, or have only a few vehicle in the time that road a does not open for example, on this road a current (Construction traffic), and the historical flow of section will be much higher than recent flow at one time, now the value of described recent flow/historical flow is for being tending towards or equaling 0.Certainly, the value of described default minimum flow/historical flow is for being tending towards or equaling 0.The default minimum stream value that this judgement road a blocks can equal judgement and newly open the default minimum stream value in section, also can be to judge that the heart is opened the default minimum stream value in section different.The value of described default minimum flow/historical flow is for being tending towards or equaling 0.Described 0 the standard that is tending towards, those skilled in the art can be by the concrete condition of historical flow, in the recent period the concrete condition of flow be determined, and in the time being less than certain reservation value, thinks that the value of this recent flow/historical flow is for being tending towards 0.In like manner, default minimum flow also can be set accordingly.
Certainly, in the time that a road a is current limliting, the recent flow of same time period will be less than historical flow, and the recent flow of this time period and the difference of historical flow exceed preset range, the recent flow that is this time period is less than or equal to default minimum flow, the default minimum flow that the default minimum flow here and above-mentioned judgement road a block can be different value (usually, the default minimum stream value that judges road a current limliting is greater than the default minimum stream value that judges that road a blocks), think that described road a is limited current state.
In present embodiment, also comprise: the traffic information after upgrading is sent to mobile terminal.Traffic information after upgrading is sent to mobile terminal by network, if the navigator of mobile terminal is based on line map, can directly upgrades Online Map, and calculate the preferred path of navigation according to the traffic information after upgrading in the time of navigation; If the navigator of mobile terminal is based on off-line map, the off-line map that renewable this mobile terminal is stored, and calculate the preferred path of navigation according to the traffic information after upgrading in the time of navigation.So, the trace information of mobile terminal has helped renewal traffic information, and the traffic information after renewal feeds back to again mobile terminal, improves navigation quality, forms the operational mode of a closed loop.
As shown in Figure 2, in an embodiment of the present invention, described road condition updating device comprises:
Acquisition of information module 100, for obtaining the recent flow information of mono-time period of road a; Wherein, the flow information that obtains road mono-time period of a can be realized in the following manner: described road a can refer to an arbitrary road.
Described acquisition of information module 100 specifically for, obtain the movement locus of some mobile terminals, wherein, the movement locus of each mobile terminal is made up of multiple coordinate information corresponding to each mobile terminal; In the present embodiment, can and/or obtain the coordinate information of a mobile terminal apart from step-length at interval of a predetermined period.
Described mobile terminal can comprise mobile phone, panel computer, vehicle GPS etc.It can locate the geographic position of this mobile terminal by GPS, WIFI, base station, to obtain the coordinate information of mobile terminal.The movement locus of this mobile terminal can consist of multiple coordinate informations in mobile terminal, also can get after multiple coordinate informations of described mobile terminal at server, forms described movement locus at server end.
Fall into the movement locus of road a according to section track at the appointed time, calculate the flow information that obtains described this time period of road a.In an embodiment of the present invention, as long as in the time that mobile phone, panel computer, vehicle GPS are opened related application, just open record gesture function, the movement locus of the mobile terminal that server end gets can comprise free flow information, wherein, from free the flow information of one time period of selection as with reference to data, to facilitate the contrast historical flow of the same period, for example, select 18 o'clock flow informations to 20 o'clock this time period as with reference to data, to compare the historical flow information of 18 o'clock to 20 o'clock these time periods.Like this, the significantly variation issue of flow that can avoid different time sections to produce, the fluctuations in discharge of the road a of for example morning peak 7 o'clock to 9 o'clock and 3:00 AM to 5.By obtaining the movement locus on road a in the time period, can calculate the flow information of road a in this time period.The movement locus getting and/or flow information all can be stored.
The mode of the flow information of mono-time period of above-mentioned acquisition road a, is applicable to obtaining of recent flow information and historical flow information.
Traffic information update module 200, for comparing with described road a described recent flow information with the historical flow information of time period; Described recent flow information, the flow information of the road a of represented is above-mentioned time period nearest with current time; Described historical flow information can be the flow information of the road a of any above-mentioned time period before described recent flow information, certainly, described historical flow information can adopt the comparatively stable flow interval (flow of the road a in most of above-mentioned time periods is distributed in this interval) of described road a within the above-mentioned time period; Certainly, in the present embodiment, described historical flow information also can be the flow information of the above-mentioned time period of entering with current time time, so, can improve the promptness rate that upgrades traffic information.
Using the historical flow of described road a as with reference to benchmark, if the relatively historical flow of the recent flow of described road a at one time section there is the steep increasing in non-setting district, the traffic information of described road a is updated to and newly opens section; If suddenly falling in non-setting regions appears in the relatively historical flow of the recent flow of described road a at one time section, the traffic information of described road a is updated to abnomal condition.Wherein, described abnomal condition is for blocking or current limliting.Certainly, before upgrading, also can carry out manual intervention, by the way, determine that the road conditions of road a are reported to the police after newly opening section or abnomal condition, then by after artificial confirmation, then traffic information is upgraded.
Wherein, traffic information update module 200 for, if the recent flow of same time period of described road a is greater than historical flow, and described road a is less than or equal to default minimum flow at the historical flow of described time period, by the traffic information of described road a for newly opening section.The value of described default minimum flow/recent flow is for being tending towards or equaling 0.
Be appreciated that, in the time that a road a does not open, movement locus on this collecting by said method road a should be 0 in theory, or have only a few vehicle in the time that road a does not open for example, on this road a current (Construction traffic), and after road a opens, the recent flow of same time period will significantly promote, and the value of now described historical flow/recent flow is for being tending towards or equaling 0.It is certainly, described that default minimum flow/value of flow is also tending towards or equals 0 in the recent period.Described 0 the standard that is tending towards, those skilled in the art can be by the concrete condition of historical flow, in the recent period the concrete condition of flow determine, in the time being less than certain reservation value, thinks that the value of this history flow/recent flow is for being tending towards 0.In like manner, default minimum flow also can be set accordingly.
Further, if fail to match described road a in existing map, using described road a as opening for the first time section; If match described road a in existing map, using described road a as recovering current section.
Traffic information update module 200 for, if the historical flow flow greatly in the near future of same time period of described road a, and described road a is less than or equal to default minimum flow at the recent flow of described time period, the traffic information of described road a is updated to abnomal condition.
Be appreciated that, in the time that a road a is blockade, movement locus on this collecting by said method road a should be 0 in theory, or have only a few vehicle in the time that road a does not open for example, on this road a current (Construction traffic), and the historical flow of section will be much higher than recent flow at one time, now the value of described recent flow/historical flow is for being tending towards or equaling 0.Certainly, the value of described default minimum flow/historical flow is for being tending towards or equaling 0.The default minimum stream value that this judgement road a blocks can equal judgement and newly open the default minimum stream value in section, also can be to judge that the heart is opened the default minimum stream value in section different.The value of described default minimum flow/historical flow is for being tending towards or equaling 0.Described 0 the standard that is tending towards, those skilled in the art can be by the concrete condition of historical flow, in the recent period the concrete condition of flow be determined, and in the time being less than certain reservation value, thinks that the value of this recent flow/historical flow is for being tending towards 0.In like manner, default minimum flow also can be set accordingly.
Certainly, in the time that a road a is current limliting, the recent flow of same time period will be less than historical flow, and the recent flow of this time period and the difference of historical flow exceed preset range, the recent flow that is this time period is less than or equal to default minimum flow, the default minimum flow that the default minimum flow here and above-mentioned judgement road a block can be different value (usually, the default minimum stream value that judges road a current limliting is greater than the default minimum stream value that judges that road a blocks), think that described road a is limited current state.
In present embodiment, also comprise traffic information sending module 300, for the traffic information after upgrading is sent to mobile terminal.Traffic information after upgrading is sent to mobile terminal by network, if the navigator of mobile terminal is based on line map, can directly upgrades Online Map, and calculate the preferred path of navigation according to the traffic information after upgrading in the time of navigation; If the navigator of mobile terminal is based on off-line map, the off-line map that renewable this mobile terminal is stored, and calculate the preferred path of navigation according to the traffic information after upgrading in the time of navigation.So, the trace information of mobile terminal has helped renewal traffic information, and the traffic information after renewal feeds back to again mobile terminal, improves navigation quality, forms the operational mode of a closed loop.
In sum, the present invention by the current road of large data analysis sometime section flow situation and same period with the historical flow situation of road, upgrade the traffic information of this road, greatly promote the update cycle of traffic information, the obstacle of road, the new discovery promptness rate opened high (hour being unit for unit is promoted to from traditional sky), and greatly reduce the cost of artificial renewal traffic information.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and module, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In several embodiments provided by the present invention, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiments described above is only schematic, for example, the division of described module, be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple modules or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or module can be electrically, machinery or other form.
The described module as separating component explanation can or can not be also physically to separate, and the parts that show as module can be or can not be also physical modules, can be positioned at a place, or also can be distributed on multiple mixed-media network modules mixed-medias.Can select according to the actual needs some or all of module wherein to realize the object of present embodiment scheme.
In addition, the each functional module in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of modules exists, also can more than 2 or 2 module integration in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form that also can adopt hardware to add software function module realizes.
The integrated module that the above-mentioned form with software function module realizes, can be stored in a computer read/write memory medium.Above-mentioned software function module is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer installation, server, or network equipment etc.) or processor (processor) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read ?Only Memory, ROM), the various media that can be program code stored such as random access memory (Random Access Memory, RAM), magnetic disc or CD.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned embodiments, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the present invention.
Claims (20)
1. the method that traffic information upgrades, is characterized in that, the method comprises:
Obtain the recent flow information of mono-time period of road a;
Described recent flow information is compared with the historical flow information of time period with described road a;
Using the historical flow of described road a as with reference to benchmark, judge the relatively historical flow of the recent flow interior steep increasing in the non-setting district of section appearance at one time of described road a, the traffic information of described road a is updated to and newly opens section; If suddenly falling in non-setting regions appears in the relatively historical flow of the recent flow of described road a at one time section, the traffic information of described road a is updated to abnomal condition.
2. the method that traffic information according to claim 1 upgrades, is characterized in that, described abnomal condition is for blocking or current limliting.
3. the method that traffic information according to claim 1 upgrades, it is characterized in that, described " if the relatively historical flow of the recent flow of described road a at one time section there is suddenly falling in non-setting regions; the traffic information of described road a is updated to abnomal condition " step, specifically comprise:
If the historical flow flow greatly in the near future of same time period of described road a, and described road a is less than or equal to default minimum flow at the recent flow of described time period, the traffic information of described road a is updated to abnomal condition.
4. the method that traffic information according to claim 3 upgrades, is characterized in that, the value of described default minimum flow/historical flow is for being tending towards or equaling 0.
5. the method that traffic information according to claim 1 upgrades, it is characterized in that, described " if the relatively historical flow of the recent flow of the described road a interior steep increasing in the non-setting district of section appearance at one time; the traffic information of described road a is updated to and newly opens section " step, specifically comprises:
If the recent flow of same time period of described road a is greater than historical flow, and described road a is less than or equal to default minimum flow at the historical flow of described time period, by the traffic information of described road a for newly opening section.
6. the method that traffic information according to claim 5 upgrades, is characterized in that, the value of described default minimum flow/recent flow is for being tending towards or equaling 0.
7. the method that traffic information according to claim 5 upgrades, is characterized in that, if fail to match described road a in existing map, using described road a as opening for the first time section; If match described road a in existing map, using described road a as recovering current section.
8. the method that traffic information according to claim 1 upgrades, is characterized in that, obtain the road a flow information of mono-time period, its step specifically comprises:
Obtain the movement locus of some mobile terminals, wherein, the movement locus of each mobile terminal is made up of multiple coordinate information corresponding to each mobile terminal;
Fall into the movement locus of road a according to section track at the appointed time, calculate the flow information that obtains described this time period of road a.
9. the method that traffic information according to claim 8 upgrades, is characterized in that, described " obtaining the coordinate information of some mobile terminals, wherein its multiple coordinate informations of each acquisition for mobile terminal " comprising:
At interval of a predetermined period and/or obtain the coordinate information of a mobile terminal apart from step-length.
10. the method that traffic information according to claim 8 upgrades, is characterized in that, described method also comprises:
Traffic information after upgrading is sent to mobile terminal.
11. 1 kinds of devices that traffic information upgrades, is characterized in that, this device comprises:
Acquisition of information module, for obtaining the recent flow information of mono-time period of road a;
Traffic information update module, for comparing with described road a described recent flow information with the historical flow information of time period; And
Using the historical flow of described road a as with reference to benchmark, if the relatively historical flow of the recent flow of described road a at one time section there is the steep increasing in non-setting district, the traffic information of described road a is updated to and newly opens section; If suddenly falling in non-setting regions appears in the relatively historical flow of the recent flow of described road a at one time section, the traffic information of described road a is updated to abnomal condition.
The device that 12. traffic informations according to claim 11 upgrade, is characterized in that, described abnomal condition is for blocking or current limliting.
The device that 13. traffic informations according to claim 11 upgrade, is characterized in that, described traffic information update module is used for:
If the historical flow flow greatly in the near future of same time period of described road a, and described road a is less than or equal to default minimum flow at the recent flow of described time period, the traffic information of described road a is updated to abnomal condition.
The device that 14. traffic informations according to claim 13 upgrade, is characterized in that, the value of described default minimum flow/historical flow is for being tending towards or equaling 0.
The device that 15. traffic informations according to claim 11 upgrade, is characterized in that, described traffic information update module is used for:
If the recent flow of same time period of described road a is greater than historical flow, and described road a is less than or equal to default minimum flow at the historical flow of described time period, by the traffic information of described road a for newly opening section.
The device that 16. traffic informations according to claim 15 upgrade, is characterized in that, the value of described default minimum flow/recent flow is for being tending towards or equaling 0.
The device that 17. traffic informations according to claim 15 upgrade, is characterized in that, described traffic information update module also for:
If fail to match described road a in existing map, using described road a as opening for the first time section; If match described road a in existing map, using described road a as recovering current section.
The device that 18. traffic informations according to claim 11 upgrade, is characterized in that, described acquisition module is used for:
Obtain the movement locus of some mobile terminals, wherein, the movement locus of each mobile terminal is made up of multiple coordinate information corresponding to each mobile terminal;
Fall into the movement locus of road a according to section track at the appointed time, calculate the flow information that obtains described this time period of road a.
The device that 19. traffic informations according to claim 18 upgrade, is characterized in that, described acquisition module is used for:
At interval of a predetermined period and/or obtain the coordinate information of a mobile terminal apart from step-length.
The device that 20. traffic informations according to claim 18 upgrade, is characterized in that, described device also comprises:
Traffic information sending module, for being sent to mobile terminal by the traffic information after upgrading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410436548.0A CN104200660B (en) | 2014-08-29 | 2014-08-29 | Method and device for updating road condition information |
Applications Claiming Priority (1)
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