CN103438896B - A kind of navigation method and system for blindman - Google Patents
A kind of navigation method and system for blindman Download PDFInfo
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- CN103438896B CN103438896B CN201310361269.8A CN201310361269A CN103438896B CN 103438896 B CN103438896 B CN 103438896B CN 201310361269 A CN201310361269 A CN 201310361269A CN 103438896 B CN103438896 B CN 103438896B
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Abstract
The invention discloses a kind of navigation method and system for blindman, described method identifies destination by receiving the voice messaging of blind person, and makes corresponding path planning according to described destination；The current location information of detection blind person, and according to described current location information and path planning speech play navigation information；Current location information is sent to VVM server every a scheduled time, when the distance of the traffic intersection on current location with path planning is less than a preset distance, receive the VVM information that the described traffic intersection of VVM server transmission is corresponding, and automatic speech plays described VVM information；When the distance of current location with described traffic intersection is more than or equal to preset distance, continue speech play navigation information, until arriving at the destination, thus achieve the trip navigation of blind person easily, facilitate blind person's trip, realize the trip navigation of blind person easily, greatly facilitate the trip of blind person.
Description
Technical field
The present invention relates to blind man navigation field, in particular a kind of navigation method and system for blindman.
Background technology
A maximum difficult problem in blind person's trip always blindman, nowadays urban construction speed is so fast, has road administration construction every day, and road updates, and blind person does not has suitable guiding outside, cannot take one's bearings completely.Generally GPS can meet the navigation needs of normal person, but owing to GPS navigation software quality is uneven, Voice Navigation form is the most different, and major part all only has coarse information, the such as information such as the left-hand rotation of 50 meters of front or so-and-so road right-hand rotation of front.But blind person is because of invisible, so cannot judge whether he has gone to that crossing at all, navigation software on the market is not always the case, and does not also have any navigation software company can revise their navigation software exclusively for blind person, brings greatly inconvenience to blind person's trip.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, it is provided that a kind of navigation method and system for blindman, it is intended to the problem solving the inconvenient blind person trip of navigation in prior art.
It is as follows that the present invention solves the technical scheme that technical problem used:
A kind of blind man navigation method, wherein, comprises the following steps:
A, the voice messaging of reception blind person identify destination, and make corresponding path planning according to described destination；
B, the current location information of detection blind person, and according to described current location information and path planning speech play navigation information；
C, every one the scheduled time send current location information to VVM server, when the distance of the traffic intersection on current location with path planning is less than a preset distance, receive the VVM information that the described traffic intersection of VVM server transmission is corresponding, and automatic speech plays described VVM information；When the distance of current location with described traffic intersection is more than or equal to preset distance, continue speech play navigation information, until arriving at the destination.
Described blind man navigation method, wherein, also included before described step A:
A0, navigation quickly starting keyed jointing are received the button operation of blind person and are started navigation.
Described blind man navigation method, wherein, described VVM information includes that whether crossing name, crossroads traffic light situation, intersection vehicle flux situation and crossing are in maintenance.
Described blind man navigation method, wherein, described VVM server connects urban traffic information network, for the intersection information of the described traffic intersection of acquisition in real time, and generates the VVM information of correspondence.
Described blind man navigation method, wherein, described preset distance is 5 meters.
A kind of navigation system for blinds, wherein, including:
Speech recognition and navigation module, identify destination for receiving the voice messaging of blind person, and make corresponding path planning according to described destination；
Position detection and voice playing module, for detecting the current location information of blind person, and according to described current location information and path planning speech play navigation information；
Positional information sending module, for sending current location information to VVM server every a scheduled time；
Distance versus module, for contrasting with a preset distance when the distance of current location with the traffic intersection on path planning；
VVM server, for storing the VVM information corresponding with sending traffic intersection.
Described navigation system for blinds, wherein, also includes:
Navigation quickly starting key, starts navigation for receiving the button operation of blind person.
Described navigation system for blinds, wherein, described VVM information includes that whether crossing name, crossroads traffic light situation, intersection vehicle flux situation and crossing are in maintenance.
Described navigation system for blinds, wherein, described VVM server connects urban traffic information network, for the intersection information of the described traffic intersection of acquisition in real time, and generates the VVM information of correspondence.
A kind of navigation method and system for blindman provided by the present invention, the problem efficiently solving the highest inconvenient blind person's trip of existing navigator fix, its method identifies destination by receiving the voice messaging of blind person, and makes corresponding path planning according to described destination；The current location information of detection blind person, and according to described current location information and path planning speech play navigation information；Current location information is sent to VVM server every a scheduled time, when the distance of the traffic intersection on current location with path planning is less than a preset distance, receive the VVM information that the described traffic intersection of VVM server transmission is corresponding, and automatic speech plays described VVM information；When the distance of current location with described traffic intersection is more than or equal to preset distance, continue speech play navigation information, until arriving at the destination, thus achieve the trip navigation of blind person easily, and facilitating blind person's trip, its implementation is simple, being realized by software, cost is relatively low.
Accompanying drawing explanation
The flow chart of the blind man navigation method preferred embodiment that Fig. 1 provides for the present invention.
The structured flowchart of the navigation system for blinds preferred embodiment that Fig. 2 provides for the present invention.
Detailed description of the invention
The present invention provides a kind of navigation method and system for blindman, and for making the purpose of the present invention, technical scheme and advantage clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to the flow chart of the blind man navigation method preferred embodiment that Fig. 1, Fig. 1 provide for the present invention, as it is shown in figure 1, the blind man navigation method that the present invention provides, comprise the following steps:
Step S100, the voice messaging of reception blind person identify destination, and make corresponding path planning according to described destination；
Step S200, the current location information of detection blind person, and according to described current location information and path planning speech play navigation information；
Step S300, every one the scheduled time send current location information to VVM server, when the distance of the traffic intersection on current location with path planning is less than a preset distance, receive the VVM information that the described traffic intersection of VVM server transmission is corresponding, and automatic speech plays described VVM information；
When the distance of current location with described traffic intersection is more than or equal to preset distance, continue speech play navigation information, until arriving at the destination.
Below in conjunction with specific embodiment, above-mentioned steps is described in detail.
In the step s 100, mobile terminal receives the voice messaging of blind person and identifies destination, and makes corresponding path planning according to described destination.Specifically, after starting navigation software, navigation software navigates to blind person's present position.Language in-put destination in navigation software also automatically turns on, and starts the speech recognition software in mobile terminal, prompting blind person phonetic entry destination.After blind person says the place thought, mobile terminal receives the voice messaging of blind person, identifies destination by speech recognition software, and sends to navigation software, and navigation software does path planning according to described destination, starts navigation.
In step s 200, after strength planning in road starts, the navigation information required for blind person can be told in GPS navigation software voice.The current location information of navigation software detection blind person, and carry out corresponding navigation information according to blind person's current location information and path planning voice broadcast.
In step S300, when blind person when walking, the positional information of mobile terminal can change along with his positional information and change, and mobile terminal sends current location information to VVM(visual every a scheduled time
Voice mail, voice-mail system) server, concretely every 10s sends the positional information of blind person to VVM server.And the current location information of mobile terminal detection blind person, when the distance of the traffic intersection on current location with path planning is less than a preset distance, mobile terminal sends request to VVM server, then the VVM information that the described traffic intersection of VVM server return is corresponding is to mobile terminal, and mobile terminal automatic speech again plays described VVM information.The content of described VVM information includes the concrete intersection information of this traffic intersection, and including current lights state, whether the road name of junction ahead, intersection vehicle flux situation and crossing be in maintenance etc..So, blind person can combine, according to the route described in GPS before, the information that VVM reports, and moves on toward being correctly oriented.The current location information of navigation software detection blind person, when the distance of current location with described traffic intersection is more than or equal to preset distance, continues speech play navigation information, until arriving at the destination.Specifically, when the current location of blind person exceedes described preset distance with the distance of traffic intersection, such as 5 meters time, that is to say when blind person has walked out the ground point range triggering VVM server, GPS navigation software continues speech play navigation information, navigate, follow-up process is all, GPS navigation software can tell which crossing how many meters of blind person front arrives, what toward crossing turn, time in the range of the preset distance arriving that traffic intersection, mobile terminal will receive the VVM information that this traffic intersection is corresponding, then the concrete intersection information inside VVM information described in speech play, blind person just can get this crossing situation, until arriving at the destination.
Preferably, before described step S100, also include: S90, navigation quickly starting keyed jointing are received the button operation of blind person and started navigation.Firstly the need of definition navigation quickly starting key, then the button operation receiving blind person starts navigation.Specifically, can be by the quickly starting button that certain key definition is navigation software on mobile terminal, such as length presses volume key etc., so facilitates blind person to carry out fast opening navigation software, enters the flow of navigation that the present invention provides.
When reality is applied, described VVM server is connected with urban traffic information network, for the intersection information of the described traffic intersection of acquisition in real time, and generates the VVM information of correspondence.Specifically, described VVM server needs to be connected with urban traffic information network, and real-time obtains current intersection information from traffic station, during to guarantee that the mobile terminal of blind person sends request, can get up-to-date transport information, then VVM server generates corresponding VVM information.The content of VVM and broadcasting form can be customized at VVM server end, and each traffic intersection can have a corresponding VVM information.
Described mobile terminal can be mobile phone, panel computer or notebook computer etc..Below as a example by mobile phone, the blind man navigation method providing the present invention is specifically described.
There are volume key and camera key freely to define on mobile phone, upper volume key can be defined as starting navigation software.Blind person can start navigation software by long by upper volume key.Before travel, blind person can start navigation software with shortcut, spreads out the map and GPS, surely arrives blind person position.Meanwhile, starting the speech recognition software in mobile phone, the language in-put destination in navigation software also automatically turns on, prompting blind person phonetic entry destination, speech recognition software identifies destination, sends to navigation software, mobile phone utilizes storing map to carry out path planning, starts navigation.After path planning starts, how to get to GPS navigation software can tell blind person.When blind person when walking, his positional information is changing always, mobile phone can every 10s to server send blind person position.Time in the range of the position 5m at the parting of the ways that mobile phone returns, mobile phone can call VVM(visual voice mail, voice-mail system) service provider's number, server webmaster can give a response after receiving this call request, returning a VVM information to blind person, can automatically play the content of the inside when mobile phone receives VVM information, content includes intersection information: crossing name, whether the red lamp condition in crossing, intersection vehicle flux situation and crossing be in maintenance etc..So, blind person can be by the GPS navigation information obtained before and VVM intersection information, and going across the road of safety moves on.When blind person is when walking toward next crossing, GPS navigation can tell that user front how much rice turns to, when blind person arrives next crossing, which crossing he has gone to receive a new corresponding VVM information alert, above distinguish Shi Naliangtiao road, at this moment blind person combines GPS navigation and can know very easily at once have arrived at crossing and this continuation toward which bar road moves on, until arriving at the destination.
The blind man navigation method that the present invention provides, need not increase any peripheral components, simply use the function of mobile phone itself, and built-in navigation software is without making any amendment, redefine VVM, the triggering of VVM has been closely linked with geographical position, utilize the combination of geographical position and VVM cleverly, just can easily realize the trip navigation of blind person, largely facilitate the trip of blind person.
Further, when the distance of blind person and traffic intersection is in predetermined distance range, the positional information of blind person is uploaded to high in the clouds by mobile terminal, the information of ' so-and-so has blind person at crossing ' is sent the traffic police to this traffic intersection or passerby etc. by high in the clouds, thus serve reminding effect, just traffic police or pedestrian can be made when blind person crosses traffic intersection to provide help, thus greatly reduce blind person and cross the danger of traffic intersection.Such scheme can also be used, when the distance of blind person and traffic intersection is within 5 meters, triggers mobile terminal and send voice broadcast voice messaging, such as ' this artificial blind person, traffic intersection will be crossed ', thus get help.
Based on above-mentioned based on blind man navigation method, present invention also offers a kind of navigation system for blinds, refer to the structured flowchart of the navigation system for blinds embodiment that Fig. 2, Fig. 2 provide for the present invention, as in figure 2 it is shown, described system includes:
Speech recognition and navigation module 10, identify destination for receiving the voice messaging of blind person, and make corresponding path planning according to described destination；Specifically as described in step S100.
Position detection and voice playing module 20, for detecting the current location information of blind person, and according to described current location information and path planning speech play navigation information；Specifically as described in step S200.
Positional information sending module 30, for sending current location information to VVM server 50 every a scheduled time；Specifically as described in step S300.
Distance versus module 40, for contrasting with a preset distance when the distance of current location with the traffic intersection on path planning；Specifically as described in step S300.
VVM server 50, for storing the VVM information corresponding with sending traffic intersection；Specifically as described in step S300.
Specifically, described speech recognition and navigation module 10 receive the voice messaging of blind person and identify destination, and make corresponding path planning according to described destination, detected by position and voice playing module 20 detects the current location information of blind person, and according to described current location information and path planning speech play navigation information, thus it is blind man navigation.While blind person walks, send current location information to VVM server 50 by positional information sending module 30 every a scheduled time.Described distance versus module 40 will contrast with a preset distance when the distance of current location with the traffic intersection on path planning, when the distance of the traffic intersection on current location with path planning is less than a preset distance, VVM server 50 sends VVM information corresponding to described traffic intersection to position detection and voice playing module 20, carry out the speech play of correspondence, described VVM information include crossing name, crossroads traffic light situation, intersection vehicle flux situation and crossing whether in maintenance etc., the namely concrete intersection information of this traffic intersection.When the distance of current location with described traffic intersection is more than or equal to preset distance, during the scope of the namely preset distance that blind person walks out traffic intersection, speech recognition and navigation module 10 navigate, and position detection and voice playing module 20 continue speech play navigation information, until arriving at the destination.
Preferably, described navigation system for blinds also includes: navigation quickly starting key, starts navigation for receiving the button operation of blind person.Before, needing definition navigation quickly starting key, the button operation further according to blind person starts navigation.Described VVM server is connected with urban traffic information network, for the intersection information of the described traffic intersection of acquisition in real time, and generates the VVM information of correspondence.When reality is applied, the trigger range of described VVM information be the distance away from traffic intersection within 5 meters time trigger, and on the road of traffic intersection.
In sum, a kind of navigation method and system for blindman that the present invention provides, when the distance of the traffic intersection on current location with path planning is less than a preset distance, receive the VVM information that the described traffic intersection of VVM server transmission is corresponding, and automatic speech plays described VVM information；When the distance of current location with described traffic intersection is more than or equal to preset distance, continue speech play navigation information, until arriving at the destination, thus achieve the trip navigation of blind person easily, and facilitating blind person's trip, its implementation is simple, being realized by software, cost is relatively low.The present invention has redefined VVM, the triggering of VVM information is closely linked with geographical position, need not increase any peripheral components, simply use the function of mobile phone itself, and built-in navigation software is without making any amendment, just can easily realize the trip navigation of blind person, greatly facilitate the trip of blind person.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (2)
1. a blind man navigation method, it is characterised in that comprise the following steps:
A, the voice messaging of reception blind person identify destination, and make corresponding path planning according to described destination；
B, the current location information of detection blind person, and according to described current location information and path planning speech play navigation information；
C, every one the scheduled time send current location information to VVM server, when the distance of the traffic intersection on current location with path planning is less than a preset distance, receive the VVM information that the described traffic intersection of VVM server transmission is corresponding, and automatic speech plays described VVM information；When the distance of current location with described traffic intersection is more than or equal to preset distance, continue speech play navigation information, until arriving at the destination；
Also included before described step A:
A0, navigation quickly starting keyed jointing are received the button operation of blind person and are started navigation；
Described VVM server connects urban traffic information network, for the intersection information of the described traffic intersection of acquisition in real time, and generates the VVM information of correspondence；
The content of described VVM information and broadcasting form can be customized at VVM server end, and each described traffic intersection has a corresponding VVM information；
Described VVM information includes that whether crossing name, crossroads traffic light situation, intersection vehicle flux situation and crossing are in maintenance；
Described preset distance is 5 meters；
Set every 10s and send the positional information of blind person to VVM server.
2. a navigation system for blinds, it is characterised in that including:
Speech recognition and navigation module, identify destination for receiving the voice messaging of blind person, and make corresponding path planning according to described destination；
Position detection and voice playing module, for detecting the current location information of blind person, and according to described current location information and path planning speech play navigation information；
Positional information sending module, for sending current location information to VVM server every a scheduled time；
Distance versus module, for contrasting with a preset distance when the distance of current location with the traffic intersection on path planning；
VVM server, for storing the VVM information corresponding with sending traffic intersection；
Described system also includes:
Navigation quickly starting key, starts navigation for receiving the button operation of blind person；
Described VVM server connects urban traffic information network, for the intersection information of the described traffic intersection of acquisition in real time, and generates the VVM information of correspondence；
The content of described VVM information and broadcasting form can be customized at VVM server end, and each described traffic intersection has a corresponding VVM information；
Described VVM information includes that whether crossing name, crossroads traffic light situation, intersection vehicle flux situation and crossing are in maintenance；
Set every 10s and send the positional information of blind person to VVM server.
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| CN104200686A (en) * | 2014-08-23 | 2014-12-10 | 胡昔兵 | Traffic light prompt device for achromates |
| CN104219628B (en) * | 2014-08-29 | 2017-08-29 | 南京信息职业技术学院 | A kind of blind person's information service method and system based on augmented reality and smart mobile phone |
| CN107397660A (en) * | 2017-07-28 | 2017-11-28 | 梁慰爱 | A kind of blind person's guide device and its bootstrap technique |
| CN110215341B (en) * | 2019-06-18 | 2022-04-08 | 深圳市中诺通讯有限公司 | Method and system suitable for blind people to go out |
| CN114973639B (en) * | 2022-07-27 | 2022-11-15 | 广州华途信息科技有限公司 | Visual barrier person street crossing sound prompting method and system for pedestrian crossing signal lamp |
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| CN1493851A (en) * | 2003-09-09 | 2004-05-05 | 深圳市易凯数码有限公司 | Speech sound guiding method of vehicle satellite guiding system at complex road intersection |
| CN101210959A (en) * | 2006-12-25 | 2008-07-02 | 中国移动通信集团公司 | Moving terminal navigation method and system |
| CN101329181B (en) * | 2008-07-28 | 2011-01-05 | 江苏华科导航科技有限公司 | Navigation apparatus foe performing voice navigation to complicated road junction and working method thereof |
| CN101561290A (en) * | 2009-05-19 | 2009-10-21 | 北京四维图新科技股份有限公司 | Navigation device and navigation method |
| CN201583995U (en) * | 2009-12-30 | 2010-09-15 | 上海拓景信息科技有限公司 | Handheld distribution equipments and movable distribution logistics system |
| CN102685023A (en) * | 2011-03-11 | 2012-09-19 | 中兴通讯股份有限公司 | Method and system for achieving visual voicemail based on internet protocol (IP) |
| CN103148858A (en) * | 2013-03-20 | 2013-06-12 | 西南大学 | Multi-functional car navigator |
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