CN106767870B - A kind of construction releases road discovery method, apparatus and terminal - Google Patents
A kind of construction releases road discovery method, apparatus and terminal Download PDFInfo
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- CN106767870B CN106767870B CN201611206960.9A CN201611206960A CN106767870B CN 106767870 B CN106767870 B CN 106767870B CN 201611206960 A CN201611206960 A CN 201611206960A CN 106767870 B CN106767870 B CN 106767870B
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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
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3492—Special cost functions, i.e. other than distance or default speed limit of road segments employing speed data or traffic data, e.g. real-time or historical
Abstract
The present invention discloses a kind of construction and releases road discovery method, apparatus and terminal, is related to field of intelligent transportation technology, releases road for rapidly and accurately discovery construction.It includes: to obtain the road network figure layer of target area that the construction, which releases road discovery method,；The motion track location information in target area that Floating Car is sent is received, according to the motion track location information in target area that Floating Car is sent, obtains Floating Car track figure layer；Road network figure layer, construction road road net data and Floating Car track figure layer are overlapped, analysis figure layer is obtained；Judge whether construction road releases construction according to analysis figure layer.It includes the construction releasing road discovery method that above-mentioned technical proposal is mentioned that the construction, which releases road discovery device,.It includes the construction releasing road discovery method that above-mentioned technical proposal is mentioned that the construction, which releases road discovery terminal,.Construction provided by the invention releases road discovery method for finding that construction releases road.
Description
Technical field
The present invention relates to field of intelligent transportation technology more particularly to a kind of construction to release road discovery method, apparatus and end
End.
Background technique
With the development of intelligence communication technology, people more and more generate using intelligent transportation system during trip
Travel route planning, plans according to travel route and arranges travel route, can conveniently go on a journey, thus when saving trip
Between, improve time availability.
But during travel route plane-generating, if discovery construction not in time releases road, it will to give birth to
It cannot timely update at the road net data that travel route is planned, so as to cause the represented trip of the travel route planning of generation
Route is not optimal traffic path, influences the trip planning of user.
Summary of the invention
The purpose of the present invention is to provide a kind of constructions to release road discovery method, apparatus and terminal, for quick and precisely
Ground discovery construction releases road.
To achieve the goals above, the invention provides the following technical scheme:
A kind of construction releasing road discovery method, comprising:
Obtain the road network figure layer of target area；
The motion track location information in target area that Floating Car is sent is received, and according to Floating Car transmission in target
The motion track location information in region obtains Floating Car track figure layer；
Road network figure layer, construction road road net data and Floating Car track figure layer are overlapped, analysis figure layer is obtained；
Construction whether is released according to analysis chart layer analysis construction road.
Compared with prior art, construction provided by the invention releases in road discovery method, is sent by receiving Floating Car
The motion track location information in target area, according to Floating Car send the motion track location information in target area,
Obtain Floating Car track figure layer, then by road network figure layer, construction road road net data and Floating Car track figure layer be overlapped with
Analysis figure layer is obtained, can rapidly and accurately judge whether construction road releases construction by analyzing figure layer later, is avoided outer
The time-consuming and laborious traditional acquisition mode of industry collector, also, in the prior art, the area update strategy of field data acquisition personnel
It is general to be formulated by experience, for example, selecting not acquiring information and the region often frequently constructed for a long time to need to send field operation to some other department
The region of collector, and other regions then continue to continue to use original map, this will lead to the standard that the judgement of road is released to construction
True property and timeliness are lower, and release in road discovery method in construction provided in an embodiment of the present invention, by receiving Floating Car
The motion track location information in target area sent positions letter according to the motion track in target area that Floating Car is sent
Breath, obtains Floating Car track figure layer, is then overlapped road network figure layer, construction road road net data and Floating Car track figure layer
To obtain analysis figure layer, it can rapidly and accurately judge whether construction road releases construction by analyzing figure layer later, without outer
A large amount of field data acquisition personnel are sent, not only save a large amount of human and material resources, and can also be to every in target area
Road is analyzed, it can be found that every construction in target area releases road, improves the discovery that construction releases road
Accuracy and timeliness.
Road, which is released, the present invention also provides a kind of construction finds device, comprising:
First acquisition unit, receiving unit, second acquisition unit, superpositing unit and analytical unit；Wherein, first list is obtained
Member, for obtaining the road network figure layer of target area；
Receiving unit, for receiving the motion track location information in target area of Floating Car transmission；
Second acquisition unit, the motion track location information in target area for being sent according to Floating Car, is floated
Motor-car track figure layer；
Superpositing unit is obtained for road network figure layer, construction road road net data and Floating Car track figure layer to be overlapped
Analyze figure layer；
Analytical unit, for whether releasing construction according to analysis chart layer analysis construction road.
Compared with prior art, the beneficial effect of construction releasing road discovery device provided by the invention and above-mentioned technical side
The beneficial effect that the construction that case provides releases road discovery method is identical, and this will not be repeated here.
Road is released the present invention also provides a kind of construction and finds terminal, comprising: processor, memory, transceiver and total
Line, the processor, memory and transceiver are communicated with each other by the bus；Wherein,
The memory realizes that above-mentioned construction releases road discovery method for storing executable program code；
The transceiver is used to receive the motion track location information in target area of Floating Car transmission；
The processor is used to obtain the road network figure layer of target area, the movement in target area sent according to Floating Car
Track positioning information obtains Floating Car track figure layer, by road network figure layer, construction road road net data and Floating Car track figure layer into
Row superposition obtains analysis figure layer；Construction whether is released according to analysis chart layer analysis construction road.
Compared with prior art, the beneficial effect of construction releasing road discovery terminal provided by the invention and above-mentioned technical side
The beneficial effect that the construction that case provides releases road discovery method is identical, and this will not be repeated here.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the construction that the embodiment of the present invention one provides releases the flow chart one that road finds method；
Fig. 2 is that the construction that the embodiment of the present invention one provides releases the flowchart 2 that road finds method；
Fig. 3 is that construction provided by Embodiment 2 of the present invention releases the schematic diagram one that road finds device；
Fig. 4 is that construction provided by Embodiment 2 of the present invention releases the schematic diagram two that road finds device；
Fig. 5 is that the construction that the embodiment of the present invention three provides releases the structural schematic diagram that road finds terminal.
Appended drawing reference:
100- first acquisition unit；110- pixelation module；
120- buffer module；200- receiving unit；
300- second acquisition unit；310- initialization module；
320- processing module；400- superpositing unit；
500- analytical unit；510- extraction module；
520- computing module；530- judgment module；
540- confirmation module；600- third acquiring unit；
401- processor；402- memory；
403- transceiver；404- bus.
Specific embodiment
The construction that embodiment provides in order to further illustrate the present invention releases road discovery method, apparatus and terminal, below
It is described in detail in conjunction with Figure of description.
Embodiment one
Referring to Fig. 1, construction provided in an embodiment of the present invention, which releases road, finds method, comprising:
Step S1: the road network figure layer of target area is obtained；
Step S2: the motion track location information in target area that Floating Car is sent is received, and is sent according to Floating Car
The motion track location information in target area, obtain Floating Car track figure layer；
Step S3: road network figure layer, construction road road net data and Floating Car track figure layer are overlapped, analysis chart is obtained
Layer；
Step S4: whether construction is released according to analysis chart layer analysis construction road.
Construction provided in this embodiment releases in road discovery method, by receiving that Floating Car sends in target area
Motion track location information obtains floating wheel paths according to the motion track location information in target area that Floating Car is sent
Then road network figure layer, construction road road net data and Floating Car track figure layer are overlapped to obtain analysis figure layer by figure layer, it
It can rapidly and accurately judge whether construction road releases construction by analyzing figure layer afterwards, expense when avoiding field data acquisition personal services
Traditional acquisition mode of power；Also, in the prior art, the area update strategy of field data acquisition personnel generally passes through experience system
It is fixed, for example, select not acquire information and the region often frequently constructed for a long time as the region that needs to send to some other department field data acquisition personnel,
And other regions then continue to continue to use original map, this will lead to construction release road judgement accuracy and timeliness compared with
It is low, and the motion track location information in target area that the embodiment of the present invention is sent by receiving Floating Car, according to Floating Car
The motion track location information in target area sent, obtains Floating Car track figure layer, then by road network figure layer, construction road
Road net data and Floating Car track figure layer are overlapped to obtain analysis figure layer, later can be rapidly and accurately by analysis figure layer
Judge whether construction road releases construction, without sending a large amount of field data acquisition personnel to some other department, not only saves a large amount of manpower and object
Power resource, and every road in target area can also be analyzed, it can be found that every construction in target area solves
Except road, discovery accuracy and timeliness that construction releases road are improved.
It should be noted that the sequence of step S1 and S2 it is not limited here, can be and first carry out step in above-described embodiment
Rapid S1, then step S2 is executed, step S2 is first carried out alternatively, can be, then execute step S1, alternatively, step S1 and step S2 are same
Shi Jinhang.
Specifically, as shown in Fig. 2, when target area to be obtained construction release road information when, the embodiment of the present invention
Step S1 includes:
Step S11: target area pixelation is obtained according to the corresponding road network in the target area of pixelation and target area
It is buffered to road network figure layer, and by the corresponding road network in target area according to function path grade.It is herein that target area is corresponding
Road network be that the road network figure layer made more reacts real road situation according to the purpose that function path grade is buffered,
Such as: for the road that a reality is three lanes, if do not buffered to it, mapping that respective pixel
Afterwards, the road network figure layer obtained will show that this road is three independent roads, this will make subsequent judgement mistake occur.
The method of target area pixelation is varied, such as: it can be by target area gridding, and to each target
The grid pixelation in region, to realize the pixelation of target area, naturally it is also possible to realize target area using other methods
Pixelation.Such as: when target area is national areas, national areas is divided into the grid of multiple 10km × 10km, each
Adaptive scheme is cut into the pixel of 1024 × 1024 10m × 10m；Then road network is mapped in respective pixel, and according to road
The Performance Level on road buffers every road, forms road network figure layer；It, can be in this way when subsequent discovery constructs and releases road
The grid only covered to construction road road network figure layer and Floating Car track figure layer is analyzed, and the place to mass data is avoided
Reason not only saves storage and calculates space but also also reduce the complexity of processing, is greatly improved calculating speed.
It is understood that as shown in Fig. 2, after above-mentioned steps S11 further include: step S12: according to construction road road network,
Construction road road network figure layer is extracted from road network figure layer；So in step s3 by road network figure layer, construction road road net data
When being overlapped with Floating Car track figure layer, so that it may directly by road network figure layer, construction road road network figure layer and floating wheel paths
Figure layer is overlapped, to obtain analysis figure layer.
In addition, can first set target time section T, target time section T can be one when obtaining Floating Car track figure layer
A month, one week, one day etc.；Then it receives in preset time period T, the motion track in target area that Floating Car is sent positions
Information obtains Floating Car track figure layer according to the motion track location information in target area that Floating Car is sent；Herein, it floats
Motor-car refers to being equipped with positioning device (such as GPS) and mobile communications device, can be with the vehicle of time recording and upload location information
, in practical applications, taxi, bus, freight, long-distance vehicle and it is loaded with the vehicle of positioning function mobile phone and can makees
For Floating Car.
In view of GPS terminal is blocked by building sometimes in Floating Car or other are objective because of precision problem of itself etc.
Reason, it is possible that the floating car data received in the case where there are some wrong data or drift datas, such as Fig. 2
Shown, step of embodiment of the present invention S2 receives the motion track location information in target area that Floating Car is sent, according to floating
The motion track location information in target area that vehicle is sent, obtaining Floating Car track figure layer includes:
Step S21: letter is positioned according to the motion track in target area that the target area of pixelation and Floating Car are sent
Breath obtains initialization Floating Car track figure layer；
Step S22: the abnormal tracing point of Floating Car in initialization Floating Car track figure layer is rejected, and to initialization Floating Car
Track figure layer carries out noise filtering, obtains Floating Car track figure layer.
By the method for above-mentioned acquisition Floating Car track figure layer it is found that the present embodiment initializes floating wheel paths by rejecting
The abnormal tracing point of Floating Car in figure layer, and noise filtering is carried out to initialization Floating Car track figure layer, what can be made is floating
Motor-car track figure layer more accurately reacts the motion profile of Floating Car, and then more accurately finds that construction releases road；This
Locate the pixel that abnormal tracing point refers to that track dot density is excessively high and too low in the figure layer of Floating Car track.
Specifically, as shown in Fig. 2, above-mentioned steps S4 judges that construction releases whether road releases construction packet according to analysis figure layer
It includes:
Step S41: it extracts construction and releases the grid that road network figure layer and Floating Car track figure layer cover, covered
Grid；
Step S42: the confidence level that the affiliated construction road of grid coverage is opened is calculated, wherein confidence level is for indicating road
A possibility that opening；
Illustratively, the calculating parameter of confidence level is as follows: the connectivity of the affiliated construction road of grid coverage and surrounding road network,
The coverage rate of Floating Car track dot density and Floating Car track figure layer in construction road road network figure layer in grid coverage, according to
The confidence level that the affiliated construction road of grid coverage is opened is calculated in the above parameter；Wherein, by judging to apply belonging to grid coverage
The connectivity of work road and surrounding road network can reduce and judge situation by accident caused by GPS drift, this is because currently applying in judgement
When whether work road releases construction, it often will appear the construction road and the mutual disconnected feelings of surrounding road network of the covering of Floating Car track
Condition, it is evident that can not have such road in practical road network, caused by this is the drift of the GPS by entrained by Floating Car
, so when the construction for obtaining target area releases road information, although analysis figure layer shows that floating wheel paths have covered
Current construction road still also needs to judge the affiliated construction road of grid coverage and the connectivity of surrounding road network, if
It was found that current construction road is not connected to mutually with surrounding road network, then current construction road is still not release construction road.Thus may be used
To find out, the embodiment of the present invention is reduced by the judgement to the affiliated construction road of grid coverage and the connection situation of surrounding road network
Erroneous judgement caused by GPS drift improves the discovery accuracy that construction releases road；In addition, the embodiment of the present invention is calculating
Floating Car track dot density in grid coverage and Floating Car track figure layer are also considered when confidence level in construction road road network figure layer
On coverage rate, can further decrease in this way by GPS drift about caused by erroneous judgement；It, can be according to practical feelings when specific operation
Condition assigns different weights to above-mentioned parameter, comprehensively considers influence of the different parameters to confidence level, actual more to be met
Confidence value, and then improve the discovery accuracy that construction releases road.
Step S43: judge whether confidence level meets default confidence level；When confidence level meets default confidence level, confirmation is covered
The affiliated construction road of cover net lattice releases construction.
Embodiment two
Referring to Fig. 3, construction provided in an embodiment of the present invention, which releases road, finds device, comprising: first acquisition unit
100, receiving unit 200, second acquisition unit 300, superpositing unit 400 and analytical unit 500；Wherein,
First acquisition unit 100, for obtaining the road network figure layer of target area；
Receiving unit 200, for receiving the motion track location information in target area of Floating Car transmission；
Second acquisition unit 300, the motion track location information in target area for being sent according to Floating Car, obtains
Floating Car track figure layer；
Superpositing unit 400, for road network figure layer, construction road road net data and Floating Car track figure layer to be overlapped,
Obtain analysis figure layer；
Analytical unit 500, for whether releasing construction according to analysis chart layer analysis construction road.
When it is implemented, referring to Fig. 1, firstly, using first acquisition unit 100 obtain target area road network figure layer,
The motion track location information in target area that Floating Car is sent is received using receiving unit 200, is then obtained using second
The motion track location information in target area that unit 300 is sent according to Floating Car, obtains Floating Car track figure layer；Later,
Based on this, road network figure layer, construction road road net data and Floating Car track figure layer are folded using superpositing unit 400
Add, analysis figure layer is obtained, finally, whether releasing construction according to analysis chart layer analysis construction road using analytical unit 500.
Compared with prior art, construction provided in an embodiment of the present invention releases in road discovery device, utilizes receiving unit
Receive the motion track location information in target area that Floating Car is sent, the movement in target area sent according to Floating Car
Track positioning information obtains Floating Car track figure layer using second acquisition unit, then using superpositing unit by road network figure layer, apply
Work road network data and Floating Car track figure layer are overlapped to obtain analysis figure layer, pass through analysis using analytical unit later
Figure layer can rapidly and accurately judge whether construction road releases construction.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device reality
For applying example, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to embodiment of the method
Part explanation.
Preferably, as shown in figure 4, second acquisition unit 300 includes initialization module 310 and processing module 320；Wherein,
Initialization module 310 is used for the moving rail in target area sent according to the target area of pixelation and Floating Car
Mark location information obtains initialization Floating Car track figure layer；
Processing module 320 is used to reject the abnormal tracing point of Floating Car in initialization Floating Car track figure layer, and to initial
Change Floating Car track figure layer and carry out noise filtering, obtains Floating Car track figure layer；The Floating Car trajectory diagram that may make in this way
Layer more accurately reacts the motion profile of Floating Car, to can more accurately find that construction releases road subsequent.
You need to add is that as shown in figure 4, first acquisition unit provided by the above embodiment 100 includes pixelation module
110 and buffer module 120；Wherein, pixelation module 110 is used for by target area pixelation, specifically, utilizing pixelation module
110 by target area gridding, and to the grid pixelation of each target area；Buffer module 120 is used for according to pixelation
The corresponding road network in target area and target area buffers the corresponding road network in target area according to function path grade, with
The road network figure layer made more reacts real road situation.
In addition, as shown in figure 4, it further includes that third obtains list that construction provided in an embodiment of the present invention, which releases road discovery device,
Member 600；Analytical unit 500 in the embodiment of the present invention include: extraction module 510, computing module 520, judgment module 530 and really
Recognize module 540；Wherein,
Third acquiring unit 600, for extracting construction road road network from road network figure layer according to construction road road net data
Figure layer；Wherein, construction road road network figure layer is for characterizing construction road road net data；
Superpositing unit 400, for road network figure layer, construction road road network figure layer and Floating Car track figure layer to be overlapped,
Obtain analysis figure layer；
Extraction module 510, the grid covered for extracting construction road road network figure layer and Floating Car track figure layer, obtains
Grid coverage；
Computing module 520, for calculating belonging to the grid that construction road road network figure layer and Floating Car track figure layer cover
The confidence level that construction road is opened, wherein confidence level is for indicating a possibility that road is opened；
It illustratively, can be according to following parameter: the connectivity of the affiliated construction road of grid coverage and surrounding road network, nerve of a covering
The coverage rate of the track dot density of Floating Car and Floating Car track figure layer in construction road road network figure layer, obtains nerve of a covering in lattice
The confidence level that the affiliated construction road of lattice is opened；
Judgment module 530, for judging whether confidence level meets default confidence level；
Confirmation module 540, for judging construction road road network figure layer and Floating Car when confidence level meets default confidence level
The affiliated construction road of the grid that track figure layer covers releases construction.
Embodiment three
As shown in figure 5, the embodiment of the present invention provides a kind of construction releasing road discovery terminal, comprising: processor 401 is deposited
Reservoir 402, transceiver 403 and bus 404, the processor 401, memory 402 and transceiver 403 pass through the bus
404 communicate with each other.Wherein, the memory 402 realizes construction solution provided by the invention for storing executable program code
Except road finds method, the transceiver 403 is used to receive the motion track location information in target area of Floating Car transmission；
The processor 401 is used to obtain the road network figure layer of target area；The motion track in target area sent according to Floating Car
Location information obtains Floating Car track figure layer；Road network figure layer, construction road road net data and Floating Car track figure layer are folded
Add, obtains analysis figure layer；Construction whether is released according to analysis chart layer analysis construction road.
Further, the processor 401 is also used to target area pixelation, according to the target area of pixelation and institute
The corresponding road network in target area is stated, road network figure layer is obtained, the corresponding road network in the target area is grading according to function path etc.
Row buffering；It wherein, include: by target area gridding, and to each grid pixelation by target area pixelation.
Further, the processor 401 be also used to be sent according to the target area of pixelation and the Floating Car
The motion track location information of target area obtains initialization Floating Car track figure layer；Reject initialization Floating Car track figure layer
The abnormal tracing point of middle Floating Car, and noise filtering is carried out to initialization Floating Car track figure layer, obtain Floating Car track figure layer.
Further, the processor 401 is also used to extract construction road from road network figure layer according to construction road road network
Road network figure layer；Road network figure layer, construction road road network figure layer and Floating Car track figure layer are overlapped, analysis figure layer is obtained.
Further, the processor 401 is also used to extract construction road road network figure layer and Floating Car track figure layer is covered
The grid of lid, obtains grid coverage；Calculate the confidence level that the affiliated construction road of grid coverage is opened, wherein the confidence level is used
In indicate road open a possibility that；Judge whether confidence level meets default confidence level；When confidence level meets default confidence level,
Confirm that the affiliated construction road of grid coverage releases construction, specifically, can be according to the affiliated construction road of grid coverage and surrounding road network
Coverage rate in construction road road network figure layer of connectivity and Floating Car track figure layer obtain the affiliated construction road of grid coverage
The confidence level opened.
Wherein, processor 401 described in the embodiment of the present invention can be a processor, be also possible to multiple processing elements
General designation.For example, the processor 401 can be central processing unit (Central Processing Unit, abbreviation CPU), it can also
To be specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or matched
The one or more integrated circuits for implementing the embodiment of the present invention are set to, such as: one or more microprocessors (digital
Signal processor, abbreviation DSP), or, one or more field programmable gate array (Field Programmable
Gate Array, abbreviation FPGA).
Memory 402 can be a storage device, be also possible to the general designation of multiple memory elements, and for storing and can hold
Line program code etc..And memory 402 may include random access memory (RAM), also may include nonvolatile memory (non-
Volatile memory), for example, magnetic disk storage, flash memory (Flash) etc..
It is total that bus 404 can be industry standard architecture (Industry Standard Architecture, ISA)
Line, external equipment interconnection (Peripheral Component, PCI) bus or extended industry-standard architecture (Extended
Industry Standard Architecture, EISA) bus etc..It is total that the bus 404 can be divided into address bus, data
Line, control bus etc..Only to be indicated with a thick line in Fig. 5, it is not intended that an only bus or a type convenient for indicating
The bus of type.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for terminal reality
For applying example, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to embodiment of the method
Part explanation.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of construction releases road and finds method characterized by comprising
Obtain the road network figure layer of target area；
According to construction road road net data, construction road road network figure layer is extracted from road network figure layer；The construction road road network figure
Layer is for characterizing construction road road net data；
The motion track location information in target area that Floating Car is sent is received, and according to Floating Car transmission in target area
Motion track location information, obtain Floating Car track figure layer；
Road network figure layer, construction road road network figure layer and Floating Car track figure layer are overlapped, analysis figure layer is obtained；
Construction whether is released according to analysis chart layer analysis construction road, comprising: is extracted construction and is released road network figure layer and floating
The grid that wheel paths figure layer covers, obtains grid coverage；The confidence level that the affiliated construction road of grid coverage is opened is calculated,
In, the confidence level is for indicating a possibility that road is opened；Judge whether confidence level meets default confidence level；It is full in confidence level
When foot presets confidence level, the affiliated construction road of confirmation grid coverage releases construction.
2. construction according to claim 1 releases road and finds method, which is characterized in that the road for obtaining target area
Net figure layer includes:
By target area pixelation, according to the corresponding road network in the target area of pixelation and the target area, by the target
The corresponding road network in region is buffered according to function path grade, obtains road network figure layer.
3. construction according to claim 2 releases road and finds method, which is characterized in that described by target area pixelation
Include:
By target area gridding, and to the grid pixelation of each target area.
4. construction according to claim 2 releases road and finds method, which is characterized in that described to receive what Floating Car was sent
Motion track location information in target area is obtained according to the motion track location information in target area that Floating Car is sent
Include: to Floating Car track figure layer
According to the motion track location information in target area that the target area of pixelation and the Floating Car are sent, obtain just
Beginningization Floating Car track figure layer；
The abnormal tracing point of Floating Car in initialization Floating Car track figure layer is rejected, and initialization Floating Car track figure layer is carried out
Noise filtering, obtains Floating Car track figure layer.
5. construction according to claim 1 releases road and finds method, which is characterized in that belonging to the calculating grid coverage
The confidence level that construction road is opened includes:
According to the track dot density of Floating Car in the connectivity of the affiliated construction road of grid coverage and surrounding road network, grid coverage and
Coverage rate of the Floating Car track figure layer in construction road road network figure layer obtains the confidence that the affiliated construction road of grid coverage is opened
Degree.
6. a kind of construction releases road and finds device, which is characterized in that including first acquisition unit, receiving unit, second are obtained
Unit, third acquiring unit, superpositing unit and analytical unit；The analytical unit includes: extraction module, computing module, judgement
Module and confirmation module；
The first acquisition unit, for obtaining the road network figure layer of target area；
The receiving unit, for receiving the motion track location information in target area of Floating Car transmission；
The second acquisition unit, the motion track location information in target area for being sent according to Floating Car, is floated
Motor-car track figure layer；
The third acquiring unit, for extracting construction road road network figure from road network figure layer according to construction road road net data
Layer；The construction road road network figure layer is for characterizing construction road road net data；
The superpositing unit is obtained for road network figure layer, construction road road network figure layer and Floating Car track figure layer to be overlapped
Analyze figure layer；
The extraction module, the grid covered for extracting construction road road network figure layer and Floating Car track figure layer, is covered
Cover net lattice；
The computing module, for calculating construction belonging to the grid that construction road road network figure layer and Floating Car track figure layer cover
The confidence level that road is opened, wherein the confidence level is for indicating a possibility that road is opened；
The judgment module, for judging whether confidence level meets default confidence level；
The confirmation module, for judging construction road road network figure layer and floating track when confidence level meets default confidence level
The affiliated construction road of the grid that mark figure layer covers releases construction.
7. construction according to claim 6 releases road and finds device, which is characterized in that the first acquisition unit packet
It includes: pixelation module and buffer module；
The pixelation module is used for target area pixelation；
The buffer module, for the corresponding road network in target area and the target area according to pixelation, by the target
The corresponding road network in region is buffered according to function path grade, obtains road network figure layer.
8. a kind of construction releases road and finds terminal, which is characterized in that including processor, memory, transceiver and bus；It is described
Processor, memory and transceiver are communicated with each other by the bus；Wherein,
The memory, for storing executable program code to realize construction described in any one of the claims 1-5
It releases road and finds method；
The transceiver is used to receive the motion track location information in target area of Floating Car transmission；
The processor is used to obtain the road network figure layer of target area；The motion track in target area sent according to Floating Car
Location information obtains Floating Car track figure layer；Road network figure layer, construction road road net data and Floating Car track figure layer are folded
Add, obtains analysis figure layer；Construction whether is released according to analysis chart layer analysis construction road.
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| CN108109374B (en) * | 2017-11-08 | 2020-11-20 | 福建工程学院 | Method and terminal for acquiring construction site area |
| CN109448380B (en) * | 2018-12-17 | 2022-01-28 | 百度在线网络技术（北京）有限公司 | Road blocking discovery method, device, equipment and computer readable medium |
| CN111666360B (en) * | 2019-03-08 | 2023-08-01 | 北京四维图新科技股份有限公司 | Road construction state confirmation method and device |
| CN111611955B (en) * | 2020-05-28 | 2023-09-26 | 百度在线网络技术（北京）有限公司 | Method, device, equipment and storage medium for identifying passable construction road |
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