CN103618838A - Method and system for assisting in driving by mobile terminal - Google Patents
Method and system for assisting in driving by mobile terminal Download PDFInfo
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- CN103618838A CN103618838A CN201310692099.1A CN201310692099A CN103618838A CN 103618838 A CN103618838 A CN 103618838A CN 201310692099 A CN201310692099 A CN 201310692099A CN 103618838 A CN103618838 A CN 103618838A
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Abstract
The invention discloses a method and a system for assisting in driving by a mobile terminal. The method comprises the following steps: A. receiving an order of a user by the mobile terminal so as to obtain the coordinate of a current position; B. comparing the obtained coordinate of the position with pre-stored data of a traffic sign database so as to judge whether the distance between the obtained coordinate of the position and a front nearest traffic sign is less than or equal to a preset distance, and if yes, go to step C; and C. displaying information of the corresponding traffic sign and broadcasting to remind the user. According to the method, the mobile terminal can be used for reminding the user of nearby traffic signs timely, thus avoiding driving problems resulting from overlooking or misreading of traffic signs of the user, playing a role in assisting in driving, and allowing the user to drive conveniently and safely.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of auxiliary method and system of driving of mobile terminal of utilizing.
Background technology
Along with the development of Chinese Urbanization's and popularizing of automobile, communications and transportation problem is day by day serious, traffic jam, and frequent accidents occurs.Although site, set-up mode that current road sign arranges are more and more eye-catching, but there are a lot of irrational places, for example some pass in and out at a high speed crossing indicate not rationally cause driver not react in time and miss should be up and down crossing at a high speed, to driver, bring no small trouble.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of auxiliary method and system of driving of mobile terminal of utilizing, be intended to solve current traffic sign and the unreasonable driver of causing is set reacts problem not in time.
Technical scheme of the present invention is as follows:
Utilize the auxiliary method of driving of mobile terminal, wherein, said method comprising the steps of:
A, mobile terminal receive user instruction and obtain current position coordinates;
B, the data in obtained position coordinates and pre-stored traffic sign database are compared, whether position coordinates and the distance between the traffic sign nearest apart from it of its place ahead that judgement is obtained are less than or equal to predeterminable range, if so, perform step C;
C, corresponding road signs information is shown and the prompting that broadcasts.
The auxiliary method of driving of described mobile terminal, wherein, comprises before described steps A:
Set in advance and store the traffic sign database that comprises road signs information, the corresponding table of traffic sign and its position coordinates is set in described traffic sign database.
The auxiliary method of driving of described mobile terminal, wherein, also stores the corresponding table of each traffic sign and its broadcast content in described traffic sign database, and the corresponding table of each traffic sign and its traffic sign figure.
The auxiliary method of driving of described mobile terminal, wherein, described predeterminable range is the distance that current vehicle speed is multiplied by 12 seconds.
The auxiliary method of driving of described mobile terminal, wherein, described step B is specially: obtained position coordinates is sent in described traffic sign database and is mated with described traffic sign table corresponding to its position coordinates, obtain and be positioned at this position coordinates the place ahead apart from the position coordinates of its nearest traffic sign, obtain current vehicle speed simultaneously, calculate and judge that whether the distance between two positions coordinate is less than or equal to the distance that current vehicle speed is multiplied by 12 seconds, if so, performs step C.
The auxiliary method of driving of described mobile terminal, wherein, if the position coordinates obtaining and the distance between the traffic sign nearest apart from it of its place ahead are greater than predeterminable range, returns to execution step A.
The auxiliary method of driving of described mobile terminal, wherein, also stores the traffic sign classification chart that traffic sign is classified in described traffic sign database, the corresponding relation of each traffic sign and its respective type is set in described traffic sign classification chart.
The auxiliary method of driving of described mobile terminal, wherein, described method also comprises:
Receive the traffic sign type information that the pre-stored user of user instruction selects, obtain after current position coordinates, the traffic sign that meets user-selected traffic sign type information in obtained position coordinates and described traffic sign database is compared to judgement.
The system of the described auxiliary method of driving of mobile terminal, wherein, described system comprises:
Position coordinates acquisition module, receives user instruction for mobile terminal and obtains current position coordinates;
Judge module relatively, for comparing judgement by the data of obtained position coordinates and pre-stored traffic sign database;
Show and broadcast module, for corresponding road signs information being shown and the prompting that broadcasts.
Described mobile terminal DAS (Driver Assistant System), wherein, described system also comprises:
Traffic sign database arranges module, for arranging and store the traffic sign database that comprises road signs information.
Beneficial effect: the invention provides a kind of auxiliary method and system of driving of mobile terminal of utilizing, utilize mobile terminal to remind in time near road signs information, avoided user in the process of moving because leakage is seen or misunderstand the driving problem that traffic sign causes, played the effect of auxiliary driving, made user's more convenient, safety by bus.
Accompanying drawing explanation
Fig. 1 is that the present invention utilizes the auxiliary method flow diagram of driving of mobile terminal.
Fig. 2 utilizes the auxiliary method flow diagram of driving of mobile terminal in preferred embodiment.
Fig. 3 is the theory diagram that the present invention utilizes mobile terminal DAS (Driver Assistant System).
Embodiment
The invention provides a kind of auxiliary method and system of driving of mobile terminal of utilizing, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of auxiliary method of driving of mobile terminal of utilizing as shown in Figure 1, wherein, said method comprising the steps of:
S100, mobile terminal receive user instruction and obtain current position coordinates.
One application interface is set in mobile terminal, is provided with and whether carries out the auxiliary switch of driving on application interface, when user clicks, open after auxiliary driving, mobile terminal starts to obtain position coordinates and carries out subsequent process.
In preferred embodiment, the position coordinates that mobile terminal obtains is gps coordinate.
S200, the data in obtained position coordinates and pre-stored traffic sign database are compared, whether position coordinates and the distance between the traffic sign nearest apart from it of its place ahead that judgement is obtained are less than or equal to predeterminable range, if so, perform step S300.
Before carrying out auxiliary driving, need to set in advance and store the traffic sign database that comprises road signs information, this database is stored in the storage card of mobile terminal, described database can comprise the road signs information of the whole city or the whole province, and the corresponding table of traffic sign and its position coordinates is set in described traffic sign database.Preferably, described traffic sign database also can upgrade by network connection service device, to obtain up-to-date road signs information.
In preferred embodiment, in described traffic sign database, also store the corresponding table of each traffic sign and its broadcast content, and the corresponding table of each traffic sign and its traffic sign figure.When system call road signs information, can call the corresponding broadcast content of this road signs information and traffic sign figure by above-mentioned corresponding table.
In preferred embodiment, described predeterminable range is the distance that current vehicle speed is multiplied by 12 seconds.12 seconds announcement traffic identification informations, can reserve approximately 10 seconds making a response the time for driver in advance.
Above-mentioned steps S200 is preferably: obtained position coordinates is sent in described traffic sign database and is mated with described traffic sign table corresponding to its position coordinates, obtain and be positioned at this position coordinates the place ahead apart from the position coordinates of its nearest traffic sign, obtain current vehicle speed simultaneously, calculate and judge whether the distance between two positions coordinate is less than or equal to the distance that current vehicle speed is multiplied by 12 seconds, if so, perform step S300.Mobile terminal can obtain the distance between position coordinates and calculate current vehicle speed interval time by twice, or mobile terminal directly obtains current vehicle speed data by the connection automotive systems such as bluetooth (automotive system arranges corresponding link block and vehicle speed data acquisition module).
If the position coordinates obtaining and the distance between the traffic sign nearest apart from it of its place ahead are greater than predeterminable range, return to execution step S100, continue to obtain the position coordinates of mobile terminal.
In preferred embodiment, in described traffic sign database, also store the traffic sign classification chart that traffic sign is classified, the corresponding relation of each traffic sign and its respective type is set in described traffic sign classification chart.
Based on this traffic sign classification chart, described method also comprises:
Receive the traffic sign type information that the pre-stored user of user instruction selects, obtain after current position coordinates, the traffic sign that meets user-selected traffic sign type information in obtained position coordinates and described traffic sign database is compared to judgement.Be that user can select the traffic sign type that oneself needs mobile terminal to remind as required, for example user mainly wonders the road signs information of each exit position of expressway, user can arrange in advance so, on described application interface, be correspondingly provided with and need the traffic sign of auxiliary prompting type, can show options with the form of combobox, user clicks it after finding gateway, expressway sign option, and system is relatively judging that the stage only calls the traffic sign of gateway, expressway type of sign afterwards.So both convenient for users, also avoided the unnecessary waste of system resource.
In preferred embodiment, when judging the place ahead one speed limit traffic sign that travels, system meets comparison criterion, be that mobile terminal is by the information indicating of this speed limit traffic sign during to user, simultaneity factor is obtained the institute's restricted speed data in this speed limit road signs information, and the current vehicle speed of itself and system acquisition is compared, if current vehicle speed is greater than this restricted speed, send overspeed prompting.
S300, corresponding road signs information is shown and the prompting that broadcasts.
According to each above-mentioned traffic sign and the corresponding table of its broadcast content, and the corresponding table of each traffic sign and its traffic sign figure, at a definite traffic sign, meet after prompting standard, transferring broadcast content that this traffic sign is corresponding plays and transfers the corresponding traffic sign figure of starving of institute and be presented on screen, therefore, when user drives a vehicle, only mobile phone need be positioned over to driving the place ahead and just can hear or see traffic sign information.
In preferred embodiment, when user finds that the suggested road signs information of mobile terminal does not conform to the current own road signs information of seeing, system can receive the instruction that user clicks this traffic sign figure, and enter the modification interface to this road signs information, according to user instruction, revise this road signs information and modification information is saved in the middle of traffic sign database.Preferably, due on the run, user is difficult to carry out manual operation, therefore this step road signs information is revised and can be undertaken by speech recognition, for example user says " speed limit 80 is wrong ", system receive these voice and identification after inquire user " transport information to this speed limit 80 is modified? " after user says, modify interface inquire user's revised context of system, receive afterwards user says " identify after the voice of speed limit 100 " " and the information of this traffic sign is modified, replacing corresponding traffic sign figure simultaneously.
In preferred embodiment, mobile terminal also can be monitored the acoustic environment in driver's cabin in auxiliary driving, if now environmental noise is larger, for example, when in car, audible sound is larger, mobile terminal can automatically tune up volume when broadcast, shown traffic mark figure also can be set in addition and flash demonstration, to cause user's attention, avoid user to omit traffic sign information.
Be illustrated in figure 2 and utilize the auxiliary preferred embodiment method flow diagram of driving of mobile terminal, step is as follows:
S1, obtain the gps coordinate of mobile phone.Mobile phone receives user instruction and opens the auxiliary function of driving, and starts to obtain current gps coordinate.
The data of S2 and traffic sign database compare one by one.Coordinate data in obtained gps coordinate and traffic sign database is compared, comparison gps coordinate and current gps coordinate are performed step to S3 and judge.
S3, current phone gps coordinate are to distance≤current speed per hour * 12 second between the gps coordinate value of certain record in traffic database.If meet above-mentioned condition, perform step S4, otherwise, step S1 returned to.
S4, " the voice message content of traffic sign " that with loudspeaker broadcast current database, record.And further perform step S5.
S5, on mobile phone screen, show " the traffic sign figure " of current database record.
The system of the auxiliary method of driving of mobile terminal as described in Figure 3, wherein, described system comprises:
Position coordinates acquisition module 100, receives user instruction for mobile terminal and obtains current position coordinates, specifically as described in step S100.
Show and broadcast module 300, for corresponding road signs information being shown and the prompting that broadcasts, specifically as described in step S300.
Traffic sign database arranges module 400, for arranging and store the traffic sign database that comprises road signs information.
The invention provides a kind of auxiliary method and system of driving of mobile terminal of utilizing, utilize mobile terminal to remind in time near road signs information, avoided user in the process of moving because leakage is seen or misunderstand the driving problem that traffic sign causes, played the effect of auxiliary driving, made user's more convenient, safety by bus.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. utilize the auxiliary method of driving of mobile terminal, it is characterized in that, said method comprising the steps of:
A, mobile terminal receive user instruction and obtain current position coordinates;
B, the data in obtained position coordinates and pre-stored traffic sign database are compared, whether position coordinates and the distance between the traffic sign nearest apart from it of its place ahead that judgement is obtained are less than or equal to predeterminable range, if so, perform step C;
C, corresponding road signs information is shown and the prompting that broadcasts.
2. the auxiliary method of driving of mobile terminal according to claim 1, is characterized in that, before described steps A, comprises:
Set in advance and store the traffic sign database that comprises road signs information, the corresponding table of traffic sign and its position coordinates is set in described traffic sign database.
3. the auxiliary method of driving of mobile terminal according to claim 2, is characterized in that, also stores the corresponding table of each traffic sign and its broadcast content in described traffic sign database, and the corresponding table of each traffic sign and its traffic sign figure.
4. the auxiliary method of driving of mobile terminal according to claim 1, is characterized in that, described predeterminable range is the distance that current vehicle speed is multiplied by 12 seconds.
5. according to the auxiliary method of driving of the mobile terminal described in claim 3 or 4, it is characterized in that, described step B is specially: obtained position coordinates is sent in described traffic sign database and is mated with described traffic sign table corresponding to its position coordinates, obtain and be positioned at this position coordinates the place ahead apart from the position coordinates of its nearest traffic sign, obtain current vehicle speed simultaneously, calculate and judge whether the distance between two positions coordinate is less than or equal to the distance that current vehicle speed is multiplied by 12 seconds, if so, perform step C.
6. the auxiliary method of driving of mobile terminal according to claim 1, is characterized in that, if the position coordinates obtaining and the distance between the traffic sign nearest apart from it of its place ahead are greater than predeterminable range, returns to execution step A.
7. mobile terminal according to claim 1 is assisted the method for driving, it is characterized in that, in described traffic sign database, also store the traffic sign classification chart that traffic sign is classified, the corresponding relation of each traffic sign and its respective type is set in described traffic sign classification chart.
8. the auxiliary method of driving of mobile terminal according to claim 7, is characterized in that, described method also comprises:
Receive the traffic sign type information that the pre-stored user of user instruction selects, obtain after current position coordinates, the traffic sign that meets user-selected traffic sign type information in obtained position coordinates and described traffic sign database is compared to judgement.
9. a system that adopts the auxiliary method of driving of mobile terminal described in the claims 1-8 any one, is characterized in that, described system comprises:
Position coordinates acquisition module, receives user instruction for mobile terminal and obtains current position coordinates;
Judge module relatively, for comparing judgement by the data of obtained position coordinates and pre-stored traffic sign database;
Show and broadcast module, for corresponding road signs information being shown and the prompting that broadcasts.
10. mobile terminal DAS (Driver Assistant System) according to claim 9, is characterized in that, described system also comprises:
Traffic sign database arranges module, for arranging and store the traffic sign database that comprises road signs information.
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| WO2018187975A1 (en) * | 2017-04-12 | 2018-10-18 | 深圳市南北汽车美容有限公司 | Method for prompting driving according to road markings, and prompting system |
| CN108985138A (en) * | 2017-06-02 | 2018-12-11 | 奥迪股份公司 | Information providing system and method |
| CN112172827A (en) * | 2020-06-24 | 2021-01-05 | 上汽通用五菱汽车股份有限公司 | Driving assistance system control method, device, equipment and storage medium |
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| CN103618838B (en) | 2016-07-13 |
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Effective date of registration: 20211124 Address after: 264200 No. 220, Keji Road, torch high tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Weihai high tech Park Operation Management Co.,Ltd. Address before: 516006 Zhongkai hi tech Zone, Huizhou, Guangdong, 86 Chang seven Road West Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |