CN109269513A - Intelligent road recognition methods and system in electronic map - Google Patents
Intelligent road recognition methods and system in electronic map Download PDFInfo
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- CN109269513A CN109269513A CN201811052657.7A CN201811052657A CN109269513A CN 109269513 A CN109269513 A CN 109269513A CN 201811052657 A CN201811052657 A CN 201811052657A CN 109269513 A CN109269513 A CN 109269513A
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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
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Abstract
The present invention provides the Intelligent road recognition methods and system in a kind of electronic map, comprising: pavement marker step: electronic map is obtained, by the road area in electronic map labeled as specified color；Block partiting step: the electronic map after label is divided into block according to specified precision, block is numbered, corresponding grid array is established；Block appraisal procedure: assessing all blocks by the valuation functions of foundation, if assessment result is greater than threshold value, corresponding grid be set as 1 expression can walk it is logical, on the contrary it is then be set as infinitely great expression can not walk it is logical.By importing map, division of cells block analyzes block data, uses valuation functions intelligent decision road.Through the invention, user can import map, by identification road, greatly facilitate user, improve efficiency.
Description
Technical field
The present invention relates to electronic map process fields, and in particular, to Intelligent road recognition methods in electronic map and
System.
Background technique
Electronic map (English: Electronic map), i.e. numerical map are using computer technology, in a digital manner
Storage and the map consulted.The method that electronic map stores information, generally uses vector mode image storage, and map scale can be put
Greatly, it reduces or rotates without influencing display effect, the storage of early application bit map type, map scale cannot zoom in or out, modern
Electronic map generally stores and transmits map datum using GIS-Geographic Information System, also there is other information systems.Electronic map
It is easily the content to general map to carry out any form of factor combination, splicing, forms new map.
In order to realize navigation in existing electronic map, need to establish road data.Road data is established to adopt now
The method manually edited, it will take a lot of manpower and time, and human-edited is easy error.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide the Intelligent road identification sides in a kind of electronic map
Method and system.
The Intelligent road recognition methods in a kind of electronic map provided according to the present invention, comprising:
Pavement marker step: obtaining electronic map, by the road area in electronic map labeled as specified color；
Block partiting step: dividing block according to specified precision for the electronic map after label, block be numbered,
Establish corresponding grid array；
Block appraisal procedure: all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, are corresponded to
Grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
Preferably, the pavement marker step includes:
S101, electronic map is obtained；
S102, the road area in electronic map is labeled as to specified color；
Electronic map after S103, export label.
Preferably, the block partiting step includes:
S201, the electronic map after label is imported；
S202, the electronic map after label is divided into block according to specified precision；
S203, block is numbered, establishes corresponding grid array.
Preferably, the block appraisal procedure includes:
S301, block valuation functions are established；
S302, all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, corresponding grid is set
Be set to 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
Preferably, the block valuation functions include:
Wherein, f (z) be block assessed value, w be block width pixel value, h be block height pixel value, c (x,
It y) is the coefficient of pixel (x, y), closer apart from block center, coefficient is higher, and v (x, y) is the value of pixel (x, y), with the finger
It is closer to determine color, is worth higher.
The Intelligent road identifying system in a kind of electronic map provided according to the present invention, comprising:
Pavement marker module: obtaining electronic map, by the road area in electronic map labeled as specified color；
Block division module: dividing block according to specified precision for the electronic map after label, block be numbered,
Establish corresponding grid array；
Block evaluation module: all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, are corresponded to
Grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
Preferably, the pavement marker module includes:
Obtain electronic map；By the road area in electronic map labeled as specified color；Electronics after export label
Map.
Preferably, the block division module includes:
Electronic map after importing label；Electronic map after label is divided into block according to specified precision；To block
It is numbered, establishes corresponding grid array.
Preferably, the block evaluation module includes:
Establish block valuation functions；All blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value,
Corresponding grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
Preferably, the block valuation functions include:
Wherein, f (z) be block assessed value, w be block width pixel value, h be block height pixel value, c (x,
It y) is the coefficient of pixel (x, y), closer apart from block center, coefficient is higher, and v (x, y) is the value of pixel (x, y), with the finger
It is closer to determine color, is worth higher.
Compared with prior art, the present invention have it is following the utility model has the advantages that
By importing map, division of cells block analyzes block data, uses valuation functions intelligent decision road.Pass through
The present invention, user can import map, by system identification road, greatly facilitate user, improve work efficiency.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is work flow diagram of the invention.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, the Intelligent road recognition methods in a kind of electronic map provided according to the present invention, comprising:
Pavement marker step: obtaining electronic map, by the road area in electronic map labeled as specified color.Specifically
Include:
S101, electronic map is obtained；
S102, the road area in electronic map is labeled as to specified color；
Electronic map after S103, export label.
Block partiting step: dividing block according to specified precision for the electronic map after label, block be numbered,
Establish corresponding grid array.It specifically includes:
S201, the electronic map after label is imported；
S202, the electronic map after label is divided into block according to specified precision；
S203, block is numbered, establishes corresponding grid array.
Block appraisal procedure: all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, are corresponded to
Grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.It specifically includes:
S301, block valuation functions are established；
S302, all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, corresponding grid is set
Be set to 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
Block valuation functions include:
Wherein, f (z) be block assessed value, w be block width pixel value, h be block height pixel value, c (x,
It y) is the coefficient of pixel (x, y), closer apart from block center, coefficient is higher, and v (x, y) is the value of pixel (x, y), with specified face
Color is closer, is worth higher.
On the basis of Intelligent road recognition methods in a kind of above-mentioned electronic map, the present invention also provides it is a kind of electronically
Intelligent road identifying system in figure, comprising:
Pavement marker module: obtaining electronic map, by the road area in electronic map labeled as specified color.Specifically
Include:
Obtain electronic map；By the road area in electronic map labeled as specified color；Electronics after export label
Map.
Block division module: dividing block according to specified precision for the electronic map after label, block be numbered,
Establish corresponding grid array.It specifically includes:
Electronic map after importing label；Electronic map after label is divided into block according to specified precision；To block
It is numbered, establishes corresponding grid array.
Block evaluation module: all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, are corresponded to
Grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.It specifically includes:
Establish block valuation functions；All blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value,
Corresponding grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
Block valuation functions include:
Wherein, f (z) be block assessed value, w be block width pixel value, h be block height pixel value, c (x,
It y) is the coefficient of pixel (x, y), closer apart from block center, coefficient is higher, and v (x, y) is the value of pixel (x, y), with specified face
Color is closer, is worth higher.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
It, completely can be by the way that method and step be carried out programming in logic come so that the present invention provides and its other than each device, module, unit
System and its each device, module, unit with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and embedding
Enter the form of the controller that declines etc. to realize identical function.So system provided by the invention and its every device, module, list
Member is considered a kind of hardware component, and to include in it can also for realizing the device of various functions, module, unit
To be considered as the structure in hardware component；It can also will be considered as realizing the device of various functions, module, unit either real
The software module of existing method can be the structure in hardware component again.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. the Intelligent road recognition methods in a kind of electronic map characterized by comprising
Pavement marker step: obtaining electronic map, by the road area in electronic map labeled as specified color；
Block partiting step: the electronic map after label is divided into block according to specified precision, block is numbered, is established
Corresponding grid array；
Block appraisal procedure: all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, corresponding grid
Lattice be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
2. the Intelligent road recognition methods in electronic map according to claim 1, which is characterized in that the pavement marker
Step includes:
S101, electronic map is obtained；
S102, the road area in electronic map is labeled as to specified color；
Electronic map after S103, export label.
3. the Intelligent road recognition methods in electronic map according to claim 1, which is characterized in that the block divides
Step includes:
S201, the electronic map after label is imported；
S202, the electronic map after label is divided into block according to specified precision；
S203, block is numbered, establishes corresponding grid array.
4. the Intelligent road recognition methods in electronic map according to claim 1, which is characterized in that the block assessment
Step includes:
S301, block valuation functions are established；
S302, all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, corresponding grid is set as
1 indicate to walk it is logical, on the contrary it is then be set as infinitely great expression can not walk it is logical.
5. the Intelligent road recognition methods in electronic map according to claim 4, which is characterized in that the block assessment
Function includes:
Wherein, f (z) is the assessed value of block, and w is the width pixel value of block, and h is the height pixel value of block, and c (x, y) is
The coefficient of pixel (x, y), closer apart from block center, coefficient is higher, and v (x, y) is the value of pixel (x, y), with the specified face
Color is closer, is worth higher.
6. the Intelligent road identifying system in a kind of electronic map characterized by comprising
Pavement marker module: obtaining electronic map, by the road area in electronic map labeled as specified color；
Block division module: the electronic map after label is divided into block according to specified precision, block is numbered, is established
Corresponding grid array；
Block evaluation module: all blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, corresponding grid
Lattice be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
7. the Intelligent road identifying system in electronic map according to claim 6, which is characterized in that the pavement marker
Module includes:
Obtain electronic map；By the road area in electronic map labeled as specified color；Electronic map after export label.
8. the Intelligent road identifying system in electronic map according to claim 6, which is characterized in that the block divides
Module includes:
Electronic map after importing label；Electronic map after label is divided into block according to specified precision；Block is carried out
Number, establishes corresponding grid array.
9. the Intelligent road identifying system in electronic map according to claim 6, which is characterized in that the block assessment
Module includes:
Establish block valuation functions；All blocks are assessed by the valuation functions of foundation, if assessment result is greater than threshold value, are corresponded to
Grid be set as 1 expression can walk it is logical, it is on the contrary then be set as it is infinitely great indicate not walking it is logical.
10. the Intelligent road identifying system in electronic map according to claim 9, which is characterized in that the block is commented
Estimating function includes:
Wherein, f (z) is the assessed value of block, and w is the width pixel value of block, and h is the height pixel value of block, and c (x, y) is
The coefficient of pixel (x, y), closer apart from block center, coefficient is higher, and v (x, y) is the value of pixel (x, y), with the specified face
Color is closer, is worth higher.
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| CN201811052657.7A CN109269513B (en) | 2018-09-10 | 2018-09-10 | Intelligent road identification method and system in electronic map |
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| CN109269513B CN109269513B (en) | 2021-03-23 |
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| CN109269513B (en) | 2021-03-23 |
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