CN106840191A - Amplify the method and system of display direction billboard in live-action map - Google Patents
Amplify the method and system of display direction billboard in live-action map Download PDFInfo
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- CN106840191A CN106840191A CN201611189660.4A CN201611189660A CN106840191A CN 106840191 A CN106840191 A CN 106840191A CN 201611189660 A CN201611189660 A CN 201611189660A CN 106840191 A CN106840191 A CN 106840191A
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- picture
- billboard
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- original
- action map
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3635—Guidance using 3D or perspective road maps
- G01C21/3638—Guidance using 3D or perspective road maps including 3D objects and buildings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses the method and system and computer equipment that amplify display direction billboard in live-action map.The described method comprises the following steps：Extract the direction configured information in its original orientation billboard picture；The size of detection original live-action map picture corresponding with its original orientation billboard picture, direction billboard amplification picture is generated according to the certain proportion of the size of the original live-action map picture, and the direction configured information is included in the direction billboard amplification picture；The corresponding direction billboard amplification picture of its original orientation billboard picture is copied to the top of the corresponding live-action map picture of its original orientation billboard picture, to generate new live-action map picture.The method and system for amplifying display direction billboard in live-action map of the invention, can provide clearly direction billboard information in live-action map.
Description
Technical field
The present invention relates to navigation of electronic map technology, display direction is amplified in live-action map more particularly, to one kind
The method of billboard, a kind of system and a kind of computer equipment for amplifying display direction billboard in live-action map.
Background technology
In real world, until at difference crossing, just having every a segment distance since certain distance before difference crossing
The direction every direction to be gone to of difference road of billboard prompting driver's junction ahead, to avoid driver from taking a wrong way.But it is past
Can be blocked by light, font size, sight line etc. toward the content on the billboard of direction influences, and causes driver not see.
Existing navigation product can provide live-action map to indicate travel direction, but the direction in live-action map picture is seen
The ratio of plate and road be by actual fabrication, be eventually displayed in it is very small on navigation interface, driver cannot see clearly outdoor scene ground
The content of billboard in figure picture.
The content of the invention
It is an object of the present invention to provide a kind of new solution for amplifying display direction billboard in live-action map.
According to the first aspect of the invention, there is provided a kind of method for amplifying display direction billboard in live-action map, bag
Include following steps：
S1, the direction configured information extracted in its original orientation billboard picture；
S2, the size for detecting original live-action map picture corresponding with its original orientation billboard picture, according to the original
The certain proportion generation direction billboard amplification picture of the size of beginning live-action map picture, includes in the direction billboard amplification picture
The direction configured information；
S3, the corresponding direction billboard amplification picture of its original orientation billboard picture is copied into its original orientation billboard
The top of the corresponding live-action map picture of picture, to generate new live-action map picture.
Alternatively, methods described is also included residing for S4 steps, the travel route according to client planning and user
Position, the client is sent to by the new live-action map picture.
Alternatively, the direction configured information includes road shape sketch；The S2 steps also include：For in the shape sketch of road
Every kind of travel route, all generates a direction billboard amplification picture, and by road corresponding with travel route shape in the shape sketch of road
Do prominent adjustment in part；The S3 steps also include：For the every kind of travel route in the shape sketch of road, a new outdoor scene is all generated
Map picture.
Alternatively, methods described also includes being chosen from original road sign picture obtaining its original orientation billboard picture
Step：Detect whether containing the direction configured information in the original road sign picture, if the original road road sign
Contain the direction configured information in will board picture, then the original road sign picture is set to its original orientation billboard figure
Piece.
Alternatively, methods described also includes the corresponding relation of setting its original orientation billboard picture and original live-action map picture
The step of：If there is unique direction billboard the corresponding actual geographic position of certain live-action map picture, by direction billboard
Its original orientation billboard picture be set as its original orientation billboard picture corresponding with the live-action map picture.
Alternatively, methods described also includes the corresponding relation of setting its original orientation billboard picture and original live-action map picture
The step of：If the corresponding actual geographic position of certain live-action map picture does not have direction billboard, by live-action map picture pair
Its original orientation billboard picture of the direction billboard at the previous difference crossing of the actual geographic position answered is set as and outdoor scene ground
The corresponding its original orientation billboard picture of figure picture.
Alternatively, methods described also includes the corresponding relation of setting its original orientation billboard picture and original live-action map picture
The step of：If there is multiple directions billboard the corresponding actual geographic position of certain live-action map picture, will represent actual crossing
Its original orientation billboard picture of the direction billboard of difference is set as its original orientation billboard picture corresponding with the live-action map picture.
According to the second aspect of the invention, there is provided a kind of system for amplifying display direction billboard in live-action map, bag
Include with lower unit：
Direction configured information extraction unit, for extracting the direction configured information in its original orientation billboard picture；
Direction billboard amplification picture generation unit, for detecting original outdoor scene corresponding with its original orientation billboard picture
The size of map picture, direction billboard amplification picture is generated according to the certain proportion of the size of the original live-action map picture,
The direction configured information is included in the direction billboard amplification picture；
New live-action map picture generation unit, for by the corresponding direction billboard enlarged drawing of its original orientation billboard picture
Piece copies to the top of the corresponding live-action map picture of its original orientation billboard picture, to generate new live-action map picture.
Alternatively, the system also includes communication unit；The communication unit, for the row planned according to the client
The location of route and user are sailed, the new live-action map picture is sent to the client.
According to the third aspect of the invention we, a kind of computer equipment, including memory and processor are additionally provided, it is described to deposit
Reservoir is used for store instruction, and the instruction is used to control the processor to be operated to perform according to foregoing any one
Method.
The method and system for amplifying display direction billboard in live-action map of the invention, can provide in live-action map
Clearly direction billboard information, facilitates driver.
By referring to the drawings to the detailed description of exemplary embodiment of the invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments of the invention, and even
It is used to explain principle of the invention together with its explanation.
Fig. 1 is the flow chart of the method for amplifying display direction billboard in live-action map provided in an embodiment of the present invention；
Fig. 2 is the block diagram of the system for amplifying display direction billboard in live-action map provided in an embodiment of the present invention；
Fig. 3-Fig. 6 is billboard schematic diagram in direction provided in an embodiment of the present invention；
Fig. 7 is the right of the finished product direction billboard picture of the billboard of direction on the spot provided in an embodiment of the present invention and present invention generation
Compare schematic diagram；
Fig. 8-Fig. 9 is the new live-action map picture schematic diagram that direction billboard provided in an embodiment of the present invention amplifies.
Figure 10 is the new live-action map figure that original live-action map picture provided in an embodiment of the present invention amplifies with direction billboard
The contrast schematic diagram of piece；
Specific embodiment
Describe various exemplary embodiments of the invention in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments do not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
The method for amplifying display direction billboard in live-action map with reference to Fig. 1 introductions, comprises the following steps：
S1, the direction configured information extracted in its original orientation billboard picture.The direction configured information includes going to place
Information and the directional information for indicating these places, such as arrow and/or road shape sketch.
It is shown in Figure 3, location information is gone to comprising " G119 ", " G208 ", " G211 " in its original orientation billboard picture,
And for indicating these to go to the road shape sketch in place.It is shown in Figure 4, in its original orientation billboard picture comprising " Langfang ",
Location information is gone in " Interchange in Jingjintang Highway ", " Big Sheep Square ", and for indicating these to go to the road shape sketch in place.Referring to Fig. 5 institutes
Show, location information is gone to comprising " Tianjin ", " Jinan " in its original orientation billboard picture, and for indicating these to go to place
Direction arrow.It is shown in Figure 6, go to location information comprising " Langfang ", " Xianghe " in its original orientation billboard picture, and
For indicating these to go to the direction arrow in place.
S2, the size for detecting original live-action map picture corresponding with its original orientation billboard picture, according to original outdoor scene ground
The certain proportion generation direction billboard amplification picture of the size of figure picture, letter is indicated in the billboard amplification picture of direction comprising direction
Breath.
Specifically, direction billboard amplification picture following several principles are generated：
1) because its original orientation billboard picture is the truly expressed to direction billboard on the spot, in order to be protected with direction billboard on the spot
Hold consistent, the billboard background color of direction billboard amplification picture and the billboard background color of its original orientation billboard are consistent.
In reality, green and blueness being divided into the billboard background color of domestic direction billboard, green is quick difference road high more
The billboard background color of mouth, blueness is the billboard background color at the quick difference crossing of not high；In addition, there is red, white in some direction billboard
Deng fill color, direction billboard amplification picture is intended to make strictly according to the facts.
2) word of direction billboard amplification picture is consistent with the word of its original orientation billboard.
Signified word is including Chinese character, numeral, letter, symbol etc. in the present invention, the word of direction billboard amplification picture with
The word of its original orientation billboard refer to unanimously content, font with it is consistent in color.
Font size in the billboard amplification picture of direction may be referred to depending on the number of word, and with the size phase of direction billboard
Coordinate.
3) in most cases, the Layout Design of the direction billboard of direction billboard amplification picture and its original orientation billboard figure
The Layout Design of the direction billboard of piece is consistent, the putting position of every content on billboard, puts order, wide high proportion table strictly according to the facts
Reach.
In some cases, the Layout Design of the direction billboard of direction billboard amplification picture and its original orientation billboard picture
The Layout Design of direction billboard can be with the Layout Design of the direction billboard of difference, i.e. direction billboard amplification picture and direction is seen on the spot
The Layout Design of plate can be with difference.For example, with reference to shown in Fig. 7, the billboard of direction on the spot of left figure is vertical long type, and word content
It is more, in order to clearly illustrate all words, vertical long type billboard can be split as two parts, laterally put to generate right figure
Direction billboard amplification picture.
In one embodiment, if direction configured information includes road shape sketch, S2 steps also include：For road shape sketch
In every kind of travel route, all generate a direction billboard amplification picture, and will be corresponding with travel route in the shape sketch of road
Prominent adjustment is done in road shape part, in next S3 steps：For the every kind of travel route in the shape sketch of road, one is all generated newly in fact
Scape map picture.Signified prominent adjustment in the present invention, refers to road shape part corresponding with travel route phase in shape sketch of giving way
Become apparent compared with other road shape parts, for example, road shape part corresponding with travel route in the shape sketch of overstriking road, or to road
Other colors are coated in road shape part corresponding with travel route in shape sketch.
For some more complicated crossings, the road shape sketch on its direction billboard is comprehensively made up of multiple directions, driver
Tend not to rapidly recognize road shape corresponding with driving path on outlet shape sketch.With reference to shown in Fig. 9, a kind of travel route
It is to turn left to enter " Liangma river South Road " from " spring show crossing ", a direction billboard amplification picture is generated for this travel route,
Do prominent adjustment, Fig. 9 in the road shape part that " spring show crossing " in direction billboard amplification picture turns left to enter " Liangma river South Road "
In be that this has been marked and distinguished with other road shape parts into other colors in shape part all the way.In Fig. 9, also including other travelings
Route, such as " spring show crossing " are turned right and enter " Dongzhimenwai Dajie ", and a direction billboard is also generated for this travel route
Amplification picture, " spring show crossing " in direction billboard amplification picture to turn right and do prominent into the road shape part of " Dongzhimenwai Dajie "
Go out adjustment.That is, for the every kind of travel route in the shape sketch of road, one can be generated for this kind of travel route
Direction enlarged photograph.
S3, the corresponding direction billboard amplification picture of its original orientation billboard picture is copied to its original orientation billboard picture correspondence
Live-action map picture top, to generate new live-action map picture.
For example, with reference to shown in Fig. 8, direction billboard amplification picture is placed in the positive middle position on the top 2/5 of live-action map picture
Put, its upper limb is concordant with the upper limb of live-action map picture.
Shown in Figure 10, left figure is original live-action map picture, and right figure is the new live-action map figure that direction billboard amplifies
As can be seen that the direction billboard in new live-action map picture becomes apparent clear, driver more preferably recognizes for piece, contrast.
The location of S4, the travel route planned according to client and user, visitor is sent to by new live-action map picture
Family end.
For example, with reference to shown in Fig. 9, user closes on spring show crossing, and the route of planning is to turn left to enter " bright from " spring show crossing "
Ma Henanlu ", then the road shape part for turning left to enter " Liangma river South Road " to " spring show crossing " is done the direction billboard of prominent adjustment
The corresponding new live-action map picture of amplification picture issues client.
Before S1 steps, the step of its original orientation billboard picture is also obtained including being chosen from original road sign picture
Suddenly：Whether detect in original road sign picture containing direction configured information, that is, detecting in original road sign picture is
It is no simultaneously containing going to location information and the directional information for indicating these places, if contained in original road sign picture
There is direction configured information, then original road sign picture is set to its original orientation billboard picture.
Specifically, the sign board on road has many kinds, such as caution sign, prohibitory sign, Warning Mark, fingerpost
Will, tourism distinctive emblem etc., wherein fingerpost be divided into again intersection inform/predict mark, road famous brand, highway number mark,
Place-name etc..The road sign picture of direction configured information is only contained, its original orientation billboard figure can be just set to
Piece.
Before S1 steps or before S2 steps, also including setting its original orientation billboard picture and original live-action map
The step of corresponding relation of picture：
If there is unique direction billboard the corresponding actual geographic position of certain live-action map picture, by direction billboard
Its original orientation billboard picture be set as its original orientation billboard picture corresponding with the live-action map picture.
If there is multiple directions billboard the corresponding actual geographic position of certain live-action map picture, will represent actual crossing
Its original orientation billboard picture of the direction billboard of difference is set as its original orientation billboard picture corresponding with the live-action map picture.
That is, in the case where there is multiple directions billboard the corresponding actual geographic position of live-action map picture, preferential selection represents
Its original orientation billboard picture of the direction billboard of actual crossing difference is seen as its original orientation corresponding with the live-action map picture
Plate picture.
If the corresponding actual geographic position of certain live-action map picture does not have direction billboard, by live-action map picture pair
Its original orientation billboard picture of the direction billboard at the previous difference crossing of the actual geographic position answered is set as and outdoor scene ground
The corresponding its original orientation billboard picture of figure picture.
To those skilled in the art, can be hardware mode, software mode or reality by way of software and hardware combining
The existing foregoing scheme for amplifying display direction billboard in live-action map.Based on same inventive concept, the present invention is introduced with reference to Fig. 2 real
The system for amplifying display direction billboard in live-action map of example is applied, is seen with performing the foregoing display direction that amplifies in live-action map
The scheme of plate.
The system for amplifying display direction billboard in live-action map, including with lower unit：
Direction configured information extraction unit 100, for extracting the direction configured information in its original orientation billboard picture.
Direction billboard amplification picture generation unit 200, for detecting original outdoor scene corresponding with its original orientation billboard picture
The size of map picture, direction billboard amplification picture, direction are generated according to the certain proportion of the size of original live-action map picture
Direction configured information is included in billboard amplification picture.
New live-action map picture generation unit 300, for by the corresponding direction billboard enlarged drawing of its original orientation billboard picture
Piece copies to the top of the corresponding live-action map picture of its original orientation billboard picture, to generate new live-action map picture.
In one embodiment, the system also includes communication unit, for the travel route planned according to client and
The location of user, client is sent to by new live-action map picture.
In one embodiment, the direction configured information includes road shape sketch.The direction billboard amplification picture generation
Unit 200, for for the every kind of travel route in the shape sketch of road, all generating a direction billboard amplification picture, and by road
Prominent adjustment is done in road shape part corresponding with travel route in shape sketch.The new live-action map picture generation unit 300, is used for
For the every kind of travel route in the shape sketch of road, a new live-action map picture is all generated.
In one embodiment, the system also includes its original orientation billboard determining unit, for detecting the original road
Whether contain the direction configured information in the sign board picture of road, if containing the side in the original road sign picture
To configured information, then the original road sign picture is set to its original orientation billboard picture.
In one embodiment, the system also includes that its original orientation billboard picture and original live-action map picture relation set
Order unit, for setting the corresponding relation between its original orientation billboard picture and original live-action map picture relation setup unit.
Present invention also offers a kind of computer equipment, including memory and processor, the memory refers to for storage
Order, it is described to instruct for controlling the processor to be operated to perform being put in live-action map according to foregoing any one
The method of big display direction billboard.The computer equipment can also include interface arrangement, communicator, display device, input
Device, loudspeaker, microphone etc..
Processor for example can be central processor CPU, Micro-processor MCV etc..Memory for example includes that ROM is (read-only to deposit
Reservoir), RAM (random access memory), the nonvolatile memory of hard disk etc..Interface arrangement for example include USB interface,
Earphone interface etc..Communicator can for example carry out wired or wireless communication.Display device is, for example, LCDs, it is aobvious to touch
Display screen etc..Input unit for example can be including touch-screen, keyboard etc..Speaker/microphone is used for inputting/outputting voice information.
Those skilled in the art can be instructed according to presently disclosed conceptual design, and how control process device is carried out for instruction
Operation is techniques well known, therefore is not described in detail herein.The present invention can be system, method and/or computer program
Product.Computer program product can include computer-readable recording medium, containing for making processor realize the present invention
Various aspects computer-readable program instructions.
The scheme for amplifying display direction billboard in live-action map of the invention, can amplify the side in reduction real world
To billboard, the realistic picture that driver can be allowed to pass through display on navigator clearly understands each difference road at difference crossing and goes to
Direction.Alternatively, realistic picture can shift to an earlier date 500 meters of -1000 meters of ejections, and other crossings are often passed through after ejection, and driver is very
Wrong crossing can be corresponded to when many, the direction billboard of amplification is combined with realistic picture, contribute to driver to be accurately positioned crossing.Can
Selection of land, the road shape part of the prominent adjustment in the billboard of direction is corresponding with the driving path indicated by arrow in realistic picture, allows and drives
The person of sailing more determines travel direction.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
Claims (10)
1. it is a kind of in live-action map amplify display direction billboard method, it is characterised in that comprise the following steps：
S1, the direction configured information extracted in its original orientation billboard picture；
S2, the size for detecting original live-action map picture corresponding with its original orientation billboard picture, according to the original reality
The certain proportion generation direction billboard amplification picture of the size of scape map picture, comprising described in the direction billboard amplification picture
Direction configured information；
S3, the corresponding direction billboard amplification picture of its original orientation billboard picture is copied into its original orientation billboard picture
The top of corresponding live-action map picture, to generate new live-action map picture.
2. method according to claim 1, it is characterised in that also including S4 steps, the row planned according to the client
The location of route and user are sailed, the new live-action map picture is sent to the client.
3. method according to claim 1, it is characterised in that the direction configured information includes road shape sketch；The S2
Step also includes：For the every kind of travel route in the shape sketch of road, a direction billboard amplification picture is all generated, and by road shape
Prominent adjustment is done in road shape part corresponding with travel route in sketch；The S3 steps also include：It is every in for road shape sketch
Travel route is planted, a new live-action map picture is all generated.
4. method according to claim 1, it is characterised in that also obtain including being chosen from original road sign picture
The step of its original orientation billboard picture：Detect whether containing the direction configured information in the original road sign picture,
If containing the direction configured information in the original road sign picture, the original road sign picture is set
It is its original orientation billboard picture.
5. method according to claim 1, it is characterised in that also including setting its original orientation billboard picture and original outdoor scene
The step of corresponding relation of map picture：If the corresponding actual geographic position of certain live-action map picture has unique direction to see
Plate, then be set as its original orientation billboard figure corresponding with the live-action map picture by its original orientation billboard picture of direction billboard
Piece.
6. method according to claim 1, it is characterised in that also including setting its original orientation billboard picture and original outdoor scene
The step of corresponding relation of map picture：If the corresponding actual geographic position of certain live-action map picture does not have direction billboard,
Then by its original orientation billboard figure of the direction billboard at the previous difference crossing of the corresponding actual geographic position of live-action map picture
Piece is set as its original orientation billboard picture corresponding with the live-action map picture.
7. method according to claim 1, it is characterised in that also including setting its original orientation billboard picture and original outdoor scene
The step of corresponding relation of map picture：If the corresponding actual geographic position of certain live-action map picture has multiple directions to see
Plate, then will represent the direction billboard of actual crossing difference its original orientation billboard picture be set as it is corresponding with the live-action map picture
Its original orientation billboard picture.
8. it is a kind of in live-action map amplify display direction billboard system, it is characterised in that including with lower unit：
Direction configured information extraction unit, for extracting the direction configured information in its original orientation billboard picture；
Direction billboard amplification picture generation unit, for detecting original live-action map corresponding with its original orientation billboard picture
The size of picture, direction billboard amplification picture is generated according to the certain proportion of the size of the original live-action map picture, described
The direction configured information is included in the billboard amplification picture of direction；
New live-action map picture generation unit, for the corresponding direction billboard amplification picture of its original orientation billboard picture to be answered
The top of the corresponding live-action map picture of its original orientation billboard picture is made, to generate new live-action map picture.
9. system according to claim 8, it is characterised in that also including communication unit；
The communication unit, for the location of the travel route planned according to the client and user, by the new reality
Scape map picture is sent to the client.
10. a kind of computer equipment, it is characterised in that including memory and processor, the memory is used for store instruction, institute
Instruction is stated for controlling the processor to be operated to perform the method according to claim any one of 1-7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111947679A (en) * | 2020-10-19 | 2020-11-17 | 上海一嗨成山汽车租赁南京有限公司 | Method, computing device and computer-readable storage medium for assisting navigation |
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| CN104697545A (en) * | 2013-12-04 | 2015-06-10 | 大陆汽车投资（上海）有限公司 | Method and apparatus for processing navigation prompt information |
| JP2015224981A (en) * | 2014-05-28 | 2015-12-14 | 株式会社Ｓｃｒｅｅｎホールディングス | Apparatus, method, and program for route guidance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111947679A (en) * | 2020-10-19 | 2020-11-17 | 上海一嗨成山汽车租赁南京有限公司 | Method, computing device and computer-readable storage medium for assisting navigation |
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