CN102788588B - Navigation system and navigation method therefor - Google Patents
Navigation system and navigation method therefor Download PDFInfo
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- CN102788588B CN102788588B CN201110129514.3A CN201110129514A CN102788588B CN 102788588 B CN102788588 B CN 102788588B CN 201110129514 A CN201110129514 A CN 201110129514A CN 102788588 B CN102788588 B CN 102788588B
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- terrestrial reference
- path planning
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Abstract
The invention discloses a navigation system and a navigation method therefor. The navigation system and the navigation method are used for guiding a mobile object to reach a destination along a plan path. The navigation system is provided with a photographic device for acquiring images in front of a mobile object in navigation, and with a comparison module for comparing the images acquired by the photographic device and data of landmarks through which the mobile object will pass in the plan path. If characteristics are conform, a navigation interface prompts the plan path in the way of inclusion of landmark data-related information and if the characteristics are not conform, the navigation interface prompts the plan path in the way of exclusion of the landmark data-related information. Therefore, the navigation system can realize effective and accurate navigation.
Description
[technical field]
The invention relates to a kind of navigational system and method thereof, relate to a kind of navigational system and air navigation aid thereof of image capture comparison especially.
[background technology]
Recently, because the application of navigational system is no longer confined in military affairs, and the reduction of flourish and manufacturing cost because of artificial satellite, mechanics of communication, make navigational system gradually become common people and guide instrument quite easily in movement, no matter driving a car or bike riding etc.By location and calculating accurately, provide user as relevent informations such as speed, time, direction and distances, allow user conveniently learn current position, and be successfully led to target ground.
Along with the universal of navigational system and development, navigational system many at present on the route that it is advised in case of turned in branch road time, there is function that turning is pointed out mostly.That is, as run into crossing, branch road, front, navigational system can carry out the reference of guiding as driver with the famous terrestrial reference in this crossing, front or hotel owner.Such as " front 7-11 turns right ", " second traffic lights in front turn left " or " front cross McDonald after alley turn right " etc.
But, in fact the point of interest (Point of Interest) in providing according to figure in navigational system has its risk as the instruction guiding of terrestrial reference, usually actual situation can because of the variation in terrestrial reference recognizate place, or the crested of terrestrial reference thing, and the incongruent situation of the guidance information producing navigational system.As, the 7-11 convenience store in navigational system, figure money being positioned at corner for the user not necessarily naked eyes see, likely blocked by other signboard or branch, or businessman is changed in this place.Run into this kind of situation, the mode of terrestrial reference guiding likely causes minus effect, and user may take the position of the hotel owner that the more time looks for navigational system to provide.Therefore, with demand, the navigational system of design one energy real-time judge and method, become the instant problem that market is applied.
[summary of the invention]
Because the problem of above-mentioned prior art, object of the present invention is exactly providing a kind of navigational system and method for image capture comparison, and indefinite problem is guided in the instruction solving navigational system terrestrial reference with real-time judge.
According to object of the present invention, propose a kind of navigational system, in order to guide mobile object via path planning to destination, navigational system comprises: road map data storehouse, list of landmarks, photographic means, comparing module, navigation interface.Wherein road map data storehouse has several road map data and several terrestrial reference data.List of landmarks lists at least one landmark data in the road map data of path planning.Photographic means captures the image in mobile object front in navigation procedure, is image picture.Navigation interface makes mobile object carry out along path planning with a bootmode prompting path planning.Comparing module is compared according to the landmark data that is about to pass through in the image picture of photographic means acquisition and path planning.If there is the feature conformed to landmark data in this image picture, then navigation interface points out path planning in the mode comprising landmark data relevant information.
According to object of the present invention, reintroduce a kind of air navigation aid of navigational system, in order to guide mobile object via path planning to destination, it comprises the following step: provide road map data storehouse to store several road map data and several terrestrial reference data; List of landmarks is utilized to list at least one terrestrial reference data in those mileage chart data of path planning; Use photographic means in navigation procedure, capture the image in mobile object front, its image captured is an image picture; Compared according to this landmark data of being about to pass through in the image picture of photographic means acquisition and this path planning by comparing module; And when there is the feature conformed to this landmark data in image picture, then point out path planning through navigation interface in the mode comprising this landmark data relevant information.
Wherein, if comparing module judges the feature in image picture without a terrestrial reference guide, then navigation interface points out path planning in the mode not comprising landmark data relevant information.
Wherein, if comparing module does not complete the identification of image picture feature within a schedule time, then navigation interface points out path planning in the mode not comprising landmark data relevant information.
Wherein, if comparing module judges that image picture does not conform to the feature of landmark data, then navigation interface points out path planning in the mode not comprising landmark data relevant information.
Wherein, comparing module more comprises image identification unit, the word that image identification unit is comprised by the profile of image picture, color or this image picture, to reach the identification of terrestrial reference.
Wherein, more comprise an image process unit and this image picture is done amplify and process clearly, do clearer display in order at navigation interface.
From the above, navigational system of the present invention and air navigation aid thereof, it can have one or more following advantage:
(1) by this navigational system and air navigation aid thereof, the standard that whether can be easily seen by the user with terrestrial reference index feature, determines whether providing crossing landmark data relevant information to user.User is allowed to avoid the doubt having information not conform in time turning in crossing.
(2) at crossing, multiple branch road, utilize navigational system and the air navigation aid thereof of this image capture comparison, to reach effect of the accurate prompting at complicated multiple crossing, promote the definition that user turns in multiple fork in the road, and then promote driving driving safety.
[accompanying drawing explanation]
Fig. 1 is the calcspar of navigational system of the present invention;
Fig. 2 is the navigation interface display figure of first embodiment of the invention;
Fig. 3 is the navigation interface display figure of second embodiment of the invention; And
Fig. 4 is the schematic flow sheet of the air navigation aid of the navigational system of one embodiment of the invention.
[embodiment]
Hereinafter with reference to correlative type, the embodiment according to navigational system of the present invention and air navigation aid thereof is described, for making to be convenient to understand, the same components in following embodiment illustrates with identical symbology.
Refer to Fig. 1, it is the calcspar of navigational system of the present invention.As figure, comprise road map data storehouse 11, list of landmarks 12, photographic means 13, comparing module 14, with navigation interface 15.Wherein this navigational system 1, in order to guide mobile object via path planning to destination.Wherein road map data storehouse 11 has several road map data and several terrestrial reference data.List of landmarks 12 takes out at least one landmark data path planning from road map data storehouse 11, lists the landmark data order according to path planning side by side.Photographic means 13 captures the image in mobile object front in navigation procedure, is image picture 21.Image identification unit 141 in comparing module 14 is compared according to the landmark data that the profile of photographic means 13 pick-up image picture 21 or color and path planning are about to pass through, to reach the identification of terrestrial reference.Navigation interface 15 makes mobile object carry out along path planning with a bootmode prompting path planning, and such as " front 7-11 turns right ".
Based on above-mentioned, the image that photographic means 13 can continue to capture this mobile object front on path planning in navigation procedure is image picture 21.So when the user of navigational system 1 is close to a T word or crossroad, image identification unit 141 first can confirm whether the image picture 21 captured is the feature (as convenience store, fast food restaurant, traffic lights, traffic marking, advertising signboard, shop sign etc.) that a terrestrial reference guides.If not a terrestrial reference index feature, navigation interface 15 points out path planning in the mode not comprising this crossing landmark data relevant information.And, if comparing module 14 does not complete the identification (time point that this terrestrial reference index feature should occur as exceeded not yet identification completes) of this image picture feature within a schedule time, then navigation interface 15 also points out path planning in the mode not comprising this crossing landmark data relevant information.(in the present embodiment, this schedule time can be the last short time of the time point that this terrestrial reference index feature should occur, right the present invention, when reality is implemented, is not limited to this kind and implements aspect).
If image identification unit 141 confirms that the image picture 21 of acquisition is a terrestrial reference index feature, then comparing module 14 can judge whether the terrestrial reference index feature in this image picture 21 conforms to the terrestrial reference data that path planning listed by list of landmarks 12 is about to pass through.If comparison feature conforms to, then comparing module 14 sends the first guiding signal to navigation interface 15, and navigation interface 15 guides signal to point out path planning in the mode comprising landmark data relevant information according to first, and such as " front 7-11 turns right ".If comparison feature does not conform to, then comparing module 14 sends the second guiding signal to navigation interface 15, and navigation interface 15 guides signal to point out path planning in the mode not comprising landmark data relevant information according to second, and such as " please turn right in 300 meters, front ".
Be described in further detail the present embodiment, navigation interface 15 more comprises display interface 151 to show path planning, when comparing module 14 comparison image picture conforms to the landmark data feature being about to pass through, it can comprise an image process unit 142 and image picture 21 be done to amplify and process clearly, and display interface 151 guides signal to comprise landmark data relevant information or to point out path planning via amplification and at least one part image picture 21 after processing clearly according to first.As shown in the 2nd and Fig. 3, the display interface right of Fig. 2 has a landmark data relevant information (as 7-11); The display interface right of Fig. 3 has at least one part image picture.The mode of two kinds of embodiments is to point out path planning.And when comparing module 14 comparison image picture does not conform to the landmark data feature being about to pass through, display interface 151 guides signal to point out path planning in the mode not comprising landmark data relevant information or at least one part image picture 21 according to second.In addition, navigation interface 15 also comprises one 152 sound play devices and guides path planning with sound, when comparing module 14 comparison image picture conforms to the landmark data feature being about to pass through, sound play device 152 guides signal to comprise the mode sound guiding path planning of landmark data relevant information according to first.When comparing module 14 comparison image picture does not conform to the landmark data feature being about to pass through, sound play device 152 guides signal not comprise the mode sound guiding path planning of landmark data relevant information according to second.
When the user of navigational system 1 is close to a complicated multiple crossing, if the image that photographic means 13 captures is through confirming as a terrestrial reference index feature, then comparing module 14 can judge whether the terrestrial reference index feature in this image picture 21 conforms to the landmark data that path planning listed by list of landmarks 12 is about to pass through, if comparison feature conforms to, then this comparing module 14 judges that terrestrial reference index feature is in that turning point further, then display interface 151 points out navigational system user in what turning point to turn in the mode comprising landmark data relevant information or at least one part image picture 21, and sound play device 152 also can make corresponding prompting, to reach effect of the accurate prompting at complicated multiple crossing.
Fig. 4 is the schematic flow sheet of the air navigation aid of the navigational system of the first embodiment of the present invention.The air navigation aid of this navigational system is in order to guide mobile object via path planning to destination.Please refer to Fig. 4, first as stated in step s 31, user uses a navigational system, and this system provides road map data storehouse, list of landmarks, photographic means, comparing module, navigation interface.Wherein road map data storehouse stores several road map data and several terrestrial reference data.List of landmarks lists at least one landmark data in the road map data of path planning.Photographic means captures on path planning in navigation procedure, and the image in mobile object front is image picture.Image identification unit in comparing module is compared according to the landmark data that the profile of photographic means pick-up image picture or color and path planning are about to pass through, to reach the identification of terrestrial reference.Navigation interface makes mobile object carry out along path planning with a bootmode prompting path planning.
Then, as shown in step S32, photographic means is pick-up image picture in navigation procedure.Come again as shown in step S33, when user close to a T word, crossroad or complicated multiple crossing time, navigational system first can confirm whether the image picture that photographic means captures is the feature (as convenience store, fast food restaurant, traffic lights, traffic marking, advertising signboard, shop sign etc.) that a terrestrial reference guides, if not a terrestrial reference index feature, carries out step S34.
S34: navigation interface points out path planning in the mode not comprising this crossing landmark data relevant information.
So, user would not hear the landmark data at this turning that navigational system is originally built-in, eliminate the variation because of terrestrial reference recognizate place, or the crested of terrestrial reference thing, user can't see this terrestrial reference recognizate and but hears the doubt that the information of navigation directions does not conform to.
If the image picture content check of acquisition is a terrestrial reference index feature, then carry out step S35.
S35: comparing module can judge whether the terrestrial reference index feature in this image picture conforms to the landmark data that path planning listed by list of landmarks is about to pass through, if comparison feature conforms to, carries out step S36.
S36: comparing module sends the first guiding signal to navigation interface, navigation interface guides signal to point out path planning in the mode comprising landmark data relevant information according to first.
By this, user can receive the landmark data guiding at this turning that navigational system provides, and distinguish because the image identification unit identification of this turning terrestrial reference index feature in comparing module confirms to know, user like this sees this terrestrial reference index feature because knowing and hears the guiding that navigational system is clear and definite, can clearly know this direction of advancing in a T word, crossroad or complicated multiple crossing, and then advance for the route travelled.
But, if comparing module can not conform to by judging characteristic, then carry out step S37.
S37: comparing module sends the second guiding signal to navigation interface, navigation interface guides signal to point out path planning in the mode not comprising landmark data relevant information according to second.
By this, user does not also have and can't see this terrestrial reference recognizate and but hear the doubt that the information of navigation directions does not conform to.
In sum, by this navigational system and air navigation aid thereof, user can be made to avoid the doubt having information not conform in time turning in crossing.And the definition that user turns in multiple fork in the road can be promoted, and then promote driving driving safety.
Claims (10)
1. a navigational system, in order to guide a mobile object via path planning to destination, is characterized in that this navigational system comprises:
One road chart database, has several road map data and several terrestrial reference data;
One list of landmarks, lists at least one terrestrial reference data in those mileage chart data of this path planning;
One photographic means, captures the image in this mobile object front in navigation procedure, and its image captured is an image picture;
One navigation interface, points out this path planning that this mobile object is advanced along this path planning; And
One comparing module, this terrestrial reference data that this image picture captured according to this photographic means and this path planning are about to pass through is compared, if there is the feature conformed to this terrestrial reference data in this image picture, then this navigation interface points out this path planning in the mode comprising this terrestrial reference data relevant information; If this comparing module judges the feature in this image picture without a terrestrial reference guide, then this navigation interface points out this path planning in the mode not comprising this terrestrial reference data relevant information.
2. navigational system according to claim 1, is characterized in that: if this comparing module does not complete the identification of this image picture feature within a schedule time, then this navigation interface points out this path planning in the mode not comprising this terrestrial reference data relevant information.
3. navigational system according to claim 1, is characterized in that: if this comparing module judges that this image picture does not conform to the feature of this terrestrial reference data, then this navigation interface points out this path planning in the mode not comprising this terrestrial reference data relevant information.
4. navigational system according to claim 1, is characterized in that: this comparing module more comprises an image identification unit, the word that this image identification unit is comprised by the profile of this image picture, color or this image picture, to reach the identification of terrestrial reference.
5. navigational system according to claim 1, is characterized in that: more comprise an image process unit, and this image picture is done to amplify and process clearly by this image process unit, does clearer display in order at this navigation interface.
6. an air navigation aid for navigational system, in order to guide a mobile object via path planning to destination, is characterized in that comprising the following step:
There is provided a road chart database to store several road map data and several terrestrial reference data;
A list of landmarks is utilized to list at least one terrestrial reference data in those mileage chart data of this path planning;
Use a photographic means in navigation procedure, capture the image in this mobile object front, its image captured is an image picture;
This terrestrial reference data that this image picture captured according to this photographic means by a comparing module and this path planning are about to pass through is compared; And
When there is the feature conformed to this terrestrial reference data in this image picture, then point out this path planning through a navigation interface in the mode comprising this terrestrial reference data relevant information;
When this comparing module judges the feature in this image picture without a terrestrial reference guide, then point out this path planning through this navigation interface in the mode not comprising this terrestrial reference data relevant information.
7. the air navigation aid of navigational system according to claim 6, is characterized in that: more comprise the following step:
When this comparing module does not complete the identification of this image picture feature within a schedule time, then point out this path planning through this navigation interface in the mode not comprising this terrestrial reference data relevant information.
8. the air navigation aid of navigational system according to claim 6, is characterized in that: more comprise the following step:
When this comparing module judges that this image picture does not conform to the feature of this terrestrial reference data, then point out this path planning through this navigation interface in the mode not comprising this terrestrial reference data relevant information.
9. the air navigation aid of navigational system according to claim 6, is characterized in that: this comparing module more comprises an image identification unit, this image identification unit by this photographic means identify profile or the color of this image picture, to reach the identification of terrestrial reference.
10. the air navigation aid of navigational system according to claim 6, is characterized in that: more comprise an image process unit, and this image picture is done to amplify and process clearly by this image process unit, does clearer display in order at this navigation interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110129514.3A CN102788588B (en) | 2011-05-19 | 2011-05-19 | Navigation system and navigation method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110129514.3A CN102788588B (en) | 2011-05-19 | 2011-05-19 | Navigation system and navigation method therefor |
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| CN102788588A CN102788588A (en) | 2012-11-21 |
| CN102788588B true CN102788588B (en) | 2015-05-06 |
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| CN201110129514.3A Expired - Fee Related CN102788588B (en) | 2011-05-19 | 2011-05-19 | Navigation system and navigation method therefor |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085226A (en) * | 2017-03-31 | 2017-08-22 | 合肥民众亿兴软件开发有限公司 | A kind of navigation system for obtaining operation phase landmark information |
| CN108764297B (en) * | 2018-04-28 | 2020-10-30 | 北京猎户星空科技有限公司 | Method and device for determining position of movable equipment and electronic equipment |
| CN109029444B (en) * | 2018-06-12 | 2022-03-08 | 深圳职业技术学院 | Indoor navigation system and method based on image matching and space positioning |
| CN113945220A (en) * | 2020-07-15 | 2022-01-18 | 奥迪股份公司 | Navigation method and device |
| CN113899359B (en) * | 2021-09-30 | 2023-02-17 | 北京百度网讯科技有限公司 | Navigation method, device, equipment and storage medium |
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| CN101311674A (en) * | 2007-05-25 | 2008-11-26 | 佛山市顺德区顺达电脑厂有限公司 | Action device, geographical data system and method for obtaining geographical data |
| CN101435706A (en) * | 2007-11-14 | 2009-05-20 | 环隆电气股份有限公司 | Road image identification navigation apparatus and method |
| CN101660919A (en) * | 2008-08-29 | 2010-03-03 | 佛山市顺德区顺达电脑厂有限公司 | Method for generating navigation information and navigation system thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101311674A (en) * | 2007-05-25 | 2008-11-26 | 佛山市顺德区顺达电脑厂有限公司 | Action device, geographical data system and method for obtaining geographical data |
| CN101435706A (en) * | 2007-11-14 | 2009-05-20 | 环隆电气股份有限公司 | Road image identification navigation apparatus and method |
| CN101660919A (en) * | 2008-08-29 | 2010-03-03 | 佛山市顺德区顺达电脑厂有限公司 | Method for generating navigation information and navigation system thereof |
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