CN108062794A - A kind of acquisition methods of building model, device, server and storage medium - Google Patents
A kind of acquisition methods of building model, device, server and storage medium Download PDFInfo
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- CN108062794A CN108062794A CN201711479194.8A CN201711479194A CN108062794A CN 108062794 A CN108062794 A CN 108062794A CN 201711479194 A CN201711479194 A CN 201711479194A CN 108062794 A CN108062794 A CN 108062794A
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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Abstract
The invention discloses a kind of acquisition methods of building model, device, server and storage medium, the described method includes:According to the corresponding numerical cutting tool DSM data in the corresponding image data generation target area in target area;The model of target construction in target area is obtained according to the corresponding DSM data in target area.That is, in the technical solution proposed in the embodiment of the present invention, the model of target construction in target area can be obtained according to the corresponding DSM data in target area.And in the prior art, according to elevation information stretch the building model of generation, alternatively, generating building model using modeling software by manual type.Therefore, compared to the prior art, acquisition methods, device, server and the storage medium for the building model that the embodiment of the present invention proposes, can rapidly and accurately obtain building model;Also, the technical solution of the embodiment of the present invention realize it is simple and convenient, convenient for popularization, the scope of application is wider.
Description
Technical field
The present embodiments relate to Internet technical field more particularly to a kind of acquisition methods of building model, dresses
It puts, server and storage medium.
Background technology
With the user that intelligent terminal becomes increasingly popular and self-driving trip is on home leave, explores or travels increasingly
More, user is more and more frequent for the use of electronic map, user can be facilitated to determine target location using electronic map
Position;It can also realize by inputting keyword on the electronic map and search oneself interested shop or tourist attractions etc.
Relevant information.
At present, in map class product building model acquisition modes include it is following two:Firstth, using building wheel
Wide data according to elevation information stretch the building model of generation, for complicated building, can not obtain building
Details, therefore, the building model accuracy that this method is got are relatively low;Secondth, given birth to by manual type using modeling software
Into building model, although building object detail can be expressed accurately, less efficient, high labor cost is obtained.
The content of the invention
The present invention provides a kind of acquisition methods of building model, device, server and storage medium, can be quickly accurate
Really obtain building model.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way:
In a first aspect, an embodiment of the present invention provides a kind of acquisition methods of building model, the described method includes:
The corresponding numerical cutting tool DSM data in the target area is generated according to the corresponding image data in target area;
The model of target construction in the target area is obtained according to the corresponding DSM data in the target area.
Second aspect, the embodiment of the present invention additionally provide a kind of acquisition device of building model, and described device includes:
Generation module and acquisition module;Wherein,
The generation module, for generating the corresponding DSM in the target area according to the corresponding image data in target area
Data;
The acquisition module, for obtaining target in the target area according to the corresponding DSM data in the target area
The model of building.
The third aspect, the embodiment of the present invention additionally provide a kind of server, which is characterized in that including:
At least one processor;And
The memory being connected at least one processor communication;Wherein,
The memory storage has an instruction that can be performed by least one processor, described instruction by it is described at least
One processor performs, so that at least one processor is able to carry out the building model described in any of the above-described embodiment
Acquisition methods.
Fourth aspect, the embodiment of the present invention additionally provide a kind of storage medium, are stored with computer executable instructions, institute
State computer executable instructions for perform building model as described in above-mentioned any embodiment acquisition methods.
The embodiment of the present invention proposes a kind of acquisition methods of building model, device, server and storage medium, first
According to the corresponding DSM data in the corresponding image data generation target area in target area;Then it is corresponding according to target area
DSM data obtains the model of target construction in target area.That is, the technical solution proposed in the embodiment of the present invention
In, it can be according to the model of target construction in the corresponding DSM data acquisition target area in target area.And in the prior art
In, according to elevation information stretch the building model of generation, alternatively, being built by manual type using modeling software generation
Build object model.Therefore, compared to the prior art, acquisition methods, device, the clothes for the building model that the embodiment of the present invention proposes
Business device and storage medium, can rapidly and accurately obtain building model;Also, the technical solution of the embodiment of the present invention is realized
It is simple and convenient, convenient for popularization, the scope of application is wider.
Description of the drawings
Fig. 1 is the flow chart of the acquisition methods for the building model that the embodiment of the present invention one provides;
Fig. 2 is the flow chart of the acquisition methods of building model provided by Embodiment 2 of the present invention;
Fig. 3 is the corresponding DSM schematic diagrames in target area provided by Embodiment 2 of the present invention;
Fig. 4 is the outline drawing of target construction provided by Embodiment 2 of the present invention;
Fig. 5 is the structure diagram of the acquisition device for the building model that the embodiment of the present invention three provides;
Fig. 6 is the structure diagram for the server that the embodiment of the present invention four provides;
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to
Convenient for description, part related to the present invention rather than entire infrastructure are illustrated only in attached drawing.
Embodiment one
Fig. 1 is the flow chart of the acquisition methods for the building model that the embodiment of the present invention one provides, and the present embodiment is applicable
In the situation for obtaining ground object model, this method can be performed by the acquisition device of building model, as shown in Figure 1, should
The acquisition methods of building model may include steps of:
S110, the corresponding numerical cutting tool DSM numbers in target area are generated according to the corresponding image data in target area
According to.
In the present embodiment, target area refers to include the area of building all around target structures and geomorphic feature
Domain.Further, building refers to the artificial environment of any arteface.Illustratively, building include residential building,
Office building, warehouse, dam, Stadium etc..Geomorphic feature includes river, shrub, tree, forest, high mountain etc..Number
Terrain model DSM refers to body surface form with the set of numeral expression.Further, refer to through limited landform altitude
Data realize the digitized simulation to atural object surface, it is one kind that atural object surface is represented with one group of orderly array of values form
Actual ground model.The corresponding image data in target area refers to the image of target area.
In the present embodiment, the corresponding image data in target area can be by loading one or more figures aboard
As collection device collects the image of target area.Further, other platforms can also be utilized, such as:Satellite, blimp,
Ground mobile vehicle etc. collects the image of target area.
The corresponding digital earth's surface mould in 3D the reconstruction tools generation target area is utilized according to the corresponding image data in target area
Type DSM data.
Further, corresponded to the present embodiment provides a kind of according to the corresponding image data generation target area in target area
Numerical cutting tool DSM data method.The image for gathering target area is pre-processed, to acquisition target area
Image carries out sky three and measures, and using empty three network formings, the elements of exterior orientation of target area image is obtained, and carries out the whole of flux of light method
Pat difference.Then the PMVS algorithms accelerated using GPU carry out quick dense Stereo Matching, generate intensive three-dimensional point cloud, are rebuild
Point cloud as three-dimensional elevation data.Gridding is carried out to above-mentioned three-dimensional point cloud ground, builds soffit grid, each grid pair
An elevational point is answered, numerical cutting tool DSM data is formed into row interpolation.It should be noted that it can also use other numbers
The generation method of terrain model DSM data.The present embodiment simply says the generation method of numerical cutting tool DSM data
It is bright and non-limiting.
S120, the model that target construction in target area is obtained according to the corresponding DSM data in target area.
In the present embodiment, the corresponding DSM outline datas of target construction are obtained by the way of manual work;Also may be used
To obtain the corresponding DSM outline datas of target construction using computer software or other methods.According to target construction
Corresponding DSM outline datas obtain the model of target construction.Further, the corresponding DSM number of contours of target construction is obtained
According to the position pass for afterwards, judging that DSM outline datas corresponding with target construction are opposite in the corresponding DSM data in target area
System.DSM data, i.e. delete target region outside the contour of building that the corresponding DSM outline datas of delete target building are formed
In all corresponding DSM data of geomorphic feature, the corresponding DSM data of preserved building object, and corresponding according to target construction
DSM data forms the model of target construction.
Further, due to the model according to target construction in the corresponding DSM data acquisition target area in target area
It is middle there are much noise, it is necessary to in target area target construction model carry out denoising.Mean filter may be employed
The image de-noising methods such as device, adaptive wiener filter, morphology scratch filter and Wavelet Denoising Method.
Further, after the model of target construction is got, making an uproar in the corresponding model of target construction is judged
Whether sound is more than default noise threshold;When the noise in the corresponding model of target construction is more than default noise threshold, by mesh
It marks the corresponding model of building and carries out denoising so that the noise data in the corresponding model of target construction is no more than pre-
If noise threshold.It should be noted that suitable image de-noising method can be used as needed.Default noise threshold also may be used
To be set according to the requirement to picture clarity.
The acquisition methods of building model provided in an embodiment of the present invention, first according to the corresponding image data in target area
Generate the corresponding DSM data in target area;Then target in target area is obtained according to the corresponding DSM data in target area to build
Build the model of object.That is, in the technical solution proposed in the embodiment of the present invention, it can be according to the corresponding DSM in target area
The model of target construction in data acquisition target area.And in the prior art, it is carried out stretching generation according to elevation information
Building model, alternatively, generating building model using modeling software by manual type.Therefore, compared to the prior art,
The acquisition methods of building model provided in an embodiment of the present invention can rapidly and accurately obtain building model;Also, this
The technical solutions of inventive embodiments realize it is simple and convenient, convenient for popularization, the scope of application is wider.
Embodiment two
Fig. 2 is the flow chart of the acquisition methods of building model provided by Embodiment 2 of the present invention, and the present embodiment is above-mentioned
On the basis of each embodiment, the acquisition methods of building model are further optimized, as shown in Fig. 2, the building model obtains
Method is taken to may include steps of:
S210, the corresponding numerical cutting tool DSM numbers in target area are generated according to the corresponding image data in target area
According to.
S220, the corresponding DSM outline datas of target construction are determined according to the corresponding DSM data in target area.
Fig. 3 is the corresponding DSM schematic diagrames in target area provided by Embodiment 2 of the present invention, and as shown in Figure 3,301 be target
The corresponding DSM of building.Fig. 4 is the outline drawing of target construction provided by Embodiment 2 of the present invention.As shown in figure 4,
The profile diagram of target construction is completed by the target construction 301 in the corresponding DSM in target area to delineate.Made using artificial
The mode of industry obtains the corresponding DSM outline datas of target construction;It can also be obtained using computer software or other methods
Take the corresponding DSM outline datas of target construction.
S230, mesh is obtained in the corresponding DSM data in target area according to the corresponding DSM outline datas of target construction
Mark the corresponding DSM monomers data of building.
The corresponding DSM data scope of target construction is determined according to the corresponding DSM outline datas of target construction;Judge
Whether the corresponding DSM data in target area is in the range of the corresponding DSM data of target construction;As the corresponding DSM in target area
When data are in the range of the corresponding DSM data of target construction, target structures are obtained in the corresponding DSM data in target area
The corresponding DSM monomers data of object.
In the present embodiment, the corresponding DSM monomers data of target construction refer to be used merely to analog representation target structures
A series of orderly array of values of object.The profile of target construction in Fig. 4 obtains the corresponding mesh of target construction profile
Mark the corresponding DSM outline datas of building.Judge the corresponding DSM data in target area whether in the corresponding DSM of target construction
In data area, when the corresponding DSM data in target area is in the range of the corresponding DSM data of target construction, acquisition is used for
A series of orderly array of values of analog representation target construction.S240, according to the corresponding DSM outline datas of target construction
The model of target construction is determined with DSM monomer data.
The corresponding model silhouette of target construction is determined according to the corresponding DSM outline datas of target construction.
The corresponding model monomer of target construction is determined according to the corresponding DSM monomers data of target construction;
In the present embodiment, data modeling is carried out according to the corresponding DSM monomers data of target construction, determines that target is built
Build the corresponding model monomer of object.The methods of regular grid, contour and irregular triangle network may be employed is to target construction pair
The DSM monomers data answered carry out data modeling.Preferably, target construction is corresponded in the method for utilization irregular triangle network
DSM monomer data be modeled and illustrate.Irregular triangle network (Triangulated Irregular Network,
TIN) it is commonly used to be fitted the covering surface of continuously distributed phenomenon.In the present embodiment, with the corresponding DSM profiles of target construction
The corresponding model silhouette of target construction is carried out mesh generation by data as simplest convex closed hull, according to certain rule,
In order to obtain more satisfactory overall efficiency, the corresponding DSM of target construction that each grid cell averagely possesses can be limited
Monomer data point number.The linear linked list of block index is established according to the coordinate of the corresponding DSM monomers data point of target construction.
The convex closed hull in partial data region forms two super triangles, and the corresponding DSM monomers data point of all target constructions is all certain
In the range of the two triangles.Order according to the linear linked list of block index is inserted into target structures into three silver coin shapes
The corresponding DSM monomers data point of object.The triangle for including the corresponding DSM monomers data point of target construction is found first, and then
Three vertex of the point and triangle are connected, are simply three new triangles by the triangle subdivision.According to Delaunay
The sky circle characteristic of triangle, adjusts newly-generated three triangles and its adjacent triangle respectively.To connected triangle
It is detected two-by-two, if including of another triangle in addition to public vertex in the circumscribed circle of one of triangle
Three vertex, then exchange common edge.The constantly corresponding DSM monomers data point of insertion target construction, and adjust newly-generated
Three triangles and its adjacent triangle.Until all corresponding DSM monomers data points of target construction are all inserted
Enter into the triangulation network.Eventually form the corresponding model monomer of mark building.
The model of target construction is determined according to the corresponding model silhouette of target construction and model monomer.
The acquisition methods of building model provided in an embodiment of the present invention, first according to the corresponding image data in target area
Generate the corresponding DSM data in target area;Then determine that target construction is corresponding according to the corresponding DSM data in target area
DSM outline datas;Then obtained according to the corresponding DSM outline datas of target construction in the corresponding DSM data in target area
The corresponding DSM monomers data of target construction;Finally according to the corresponding DSM outline datas of target construction and DSM monomer data
Determine the model of target construction.That is, in the technical solution proposed in the embodiment of the present invention, it can be according to target area
The model of target construction in the corresponding DSM data acquisitions target area in domain.And in the prior art, according to elevation information into
Row stretches the building model of generation, alternatively, generating building model using modeling software by manual type.Therefore and
The prior art is compared, and the acquisition methods of building model provided in an embodiment of the present invention can rapidly and accurately obtain building
Model;Also, the technical solution of the embodiment of the present invention realize it is simple and convenient, convenient for popularization, the scope of application is wider.
Embodiment three
Fig. 5 is the structure diagram of the acquisition device for the building model that the embodiment of the present invention three provides, and the present embodiment can
Suitable for obtaining the situation of ground object model, as shown in figure 5, the acquisition device of the building model can include such as lower die
Block:Generation module 410 and acquisition module 420;Wherein,
Generation module 410, for according to the corresponding DSM data in the corresponding image data generation target area in target area;
Acquisition module 420, for obtaining target construction in target area according to the corresponding DSM data in target area
Model.
Further, acquisition module 420 includes:Determination unit and acquiring unit;Wherein,
Determination unit, for determining the corresponding DSM number of contours of target construction according to the corresponding DSM data in target area
According to;
Acquiring unit, for according to the corresponding DSM outline datas of target construction in the corresponding DSM data in target area
It is middle to obtain the corresponding DSM monomers data of target construction;
Determination unit is additionally operable to determine target according to the corresponding DSM outline datas of target construction and DSM monomer data
The model of building.
Specifically, acquiring unit, specifically for determining target structures according to the corresponding DSM outline datas of target construction
The corresponding DSM data scope of object;Judge the corresponding DSM data in target area whether in the corresponding DSM data model of target construction
In enclosing;When the corresponding DSM data in target area is in the range of the corresponding DSM data of target construction, corresponded in target area
DSM data in obtain the corresponding DSM monomers data of target construction.
Specifically, determination unit, specifically for determining target structures according to the corresponding DSM outline datas of target construction
The corresponding model silhouette of object;The corresponding model list of target construction is determined according to the corresponding DSM monomers data of target construction
Body;The model of target construction is determined according to the corresponding model silhouette of target construction and model monomer.
Further, determination unit is additionally operable to judge to be more than default make an uproar when the noise in the corresponding model of target construction
Sound threshold value;When the noise in the corresponding model of target construction is more than default noise threshold, by the corresponding mould of target construction
Type carries out denoising so that the noise data in the corresponding model of target construction is not more than default noise threshold.
The acquisition device of building model provided in an embodiment of the present invention, first according to the corresponding image data in target area
Generate the corresponding DSM data in target area;Then target in target area is obtained according to the corresponding DSM data in target area to build
Build the model of object.That is, in the technical solution proposed in the embodiment of the present invention, it can be according to the corresponding DSM in target area
The model of target construction in data acquisition target area.And in the prior art, it is carried out stretching generation according to elevation information
Building model, alternatively, generating building model using modeling software by manual type.Therefore, compared to the prior art,
The acquisition device for the building model that the embodiment of the present invention proposes, can rapidly and accurately obtain building model;Also, this
The technical solutions of inventive embodiments realize it is simple and convenient, convenient for popularization, the scope of application is wider.
Example IV
Fig. 6 is the structure diagram for the server that the embodiment of the present invention four provides.Fig. 6 shows to be used for realizing this
The block diagram of the exemplary servers 512 of invention embodiment.The server 512 that Fig. 6 is shown is only an example, should not be right
The function and use scope of the embodiment of the present invention bring any restrictions.
As shown in fig. 6, server 512 is showed in the form of common apparatus.The component of server 512 can be included but not
It is limited to:One or more processor or processing unit 516, system storage 528, connection different system component is (including being
Unite memory 528 and processing unit 516) bus 518.
Bus 518 represents the one or more in a few class bus structures, is controlled including memory bus or memory
Device, peripheral bus, graphics acceleration port, processor or total using the local of the arbitrary bus structures in a variety of bus structures
Line.For example, these architectures include but not limited to industry standard architecture (ISA) bus, microchannel architecture
(MAC) bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI)
Bus.
Server 512 typically comprises various computing systems readable medium.These media can be it is any being capable of bedding and clothing
The usable medium that business device 512 accesses, including volatile and non-volatile medium, moveable and immovable medium.
System storage 528 can include the computer system readable media of form of volatile memory, such as deposit at random
Access to memory (RAM) 530 and/or cache memory 532.Server 512 may further include it is other it is removable/no
Movably, volatile/non-volatile computer system storage medium.Only as an example, storage system 534 can be used for reading
Write immovable, non-volatile magnetic media (Fig. 6 is not shown, is commonly referred to as " hard disk drive ").Although not shown in Fig. 6,
It can provide for moving the disc driver of non-volatile magnetic disk (such as " floppy disk ") read-write and to removable non-
The CD drive of volatibility CD (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases,
Each driver can be connected by one or more data media interfaces with bus 518.System storage 528 can wrap
Include at least one program product, the program product have one group of (for example, at least one) program module, these program modules by with
Put to perform the function of various embodiments of the present invention.
Program/utility 540 with one group of (at least one) program module 542 can be stored in such as system and deposit
In reservoir 528, such program module 542 include --- but being not limited to --- operating system, one or more apply journey
Sequence, other program modules and program data may include network environment in each or certain combination in these examples
It realizes.Program module 542 usually performs function and/or method in embodiment described in the invention.
Server 512 can also be with one or more external equipments 514 (such as keyboard, sensing equipment, display 524
Deng) communication, the equipment interacted with the server 512 communication can be also enabled a user to one or more and/or with causing
Any equipment that the server 512 can communicate with one or more of the other computing device (such as network interface card, modem
Etc.) communication.This communication can be carried out by input/output (I/O) interface 522.Also, server 512 can also pass through
Network adapter 520 and one or more network (such as LAN (LAN), wide area network (WAN) and/or public network, example
Such as internet) communication.As shown in the figure, network adapter 520 is communicated by bus 518 with other modules of server 512.It should
When understand, although not shown in the drawings, can combine server 512 use other hardware and/or software module, including but it is unlimited
In:Microcode, device driver, redundant processing unit, external disk drive array, RAID systems, tape drive and number
According to backup storage system etc..
Processing unit 516 is stored in the program in system storage 528 by operation, so as to perform various functions application
And data processing, such as realize the acquisition methods for the building model that the embodiment of the present invention is provided:
According to the corresponding numerical cutting tool DSM data in the corresponding image data generation target area in target area;
The model of target construction in target area is obtained according to the corresponding DSM data in target area.
Server provided in an embodiment of the present invention first can generate target area according to the corresponding image data in target area
The corresponding DSM data in domain;Then the model of target construction in target area is obtained according to the corresponding DSM data in target area.
That is, in the technical solution proposed in the embodiment of the present invention, can mesh be obtained according to the corresponding DSM data in target area
Mark the model of target construction in region.And in the prior art, according to elevation information stretch the building mould of generation
Type, alternatively, generating building model using modeling software by manual type.Therefore, compared to the prior art, the present invention is real
The server of example proposition is applied, can rapidly and accurately obtain building model;Also, the technical solution of the embodiment of the present invention is real
It is existing it is simple and convenient, convenient for popularization, the scope of application is wider.
Embodiment five
The embodiment of the present invention five additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
The acquisition methods of the building model provided such as all inventive embodiments of the application are provided when program is executed by processor:
According to the corresponding numerical cutting tool DSM data in the corresponding image data generation target area in target area;
The model of target construction in target area is obtained according to the corresponding DSM data in target area.
Appointing for one or more computer-readable media may be employed in the computer storage media of the embodiment of the present invention
Meaning combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.Computer can
Read system, device or the device that storage medium for example can be -- but being not limited to -- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor
Part or arbitrary above combination.The more specific example (non exhaustive list) of computer readable storage medium includes:Tool
There are one or multiple conducting wires electrical connection, portable computer diskette, hard disk, random access memory (RAM), read-only storage
Device (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory
(CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer can
It can be any tangible medium for including or storing program to read storage medium, the program can be commanded execution system, device or
The use or in connection of person's device.
Computer-readable signal media can include the data letter propagated in a base band or as a carrier wave part
Number, wherein carrying computer-readable program code.Diversified forms may be employed in the data-signal of this propagation, including but
It is not limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be calculating
Any computer-readable medium beyond machine readable storage medium storing program for executing, the computer-readable medium can send, propagate or transmit
For by instruction execution system, device either device use or program in connection.
The program code included on computer-readable medium can be transmitted with any appropriate medium, including --- but not
It is limited to wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
It can write to perform the computer that operates of the present invention with one or more programming languages or its combination
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
Further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
Fully on the user computer perform, partly on the user computer perform, the software package independent as one perform,
Part performs or performs on a remote computer or server completely on the remote computer on the user computer for part.
In the situation for being related to remote computer, remote computer can pass through the network of any kind --- including LAN (LAN)
Or wide area network (WAN)-be connected to subscriber computer or, it may be connected to outer computer (such as is taken using internet
Provider be engaged in pass through Internet connection).
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.Those skilled in the art can manage
Solution, the invention is not restricted to specific embodiments described here, can carry out various apparent changes for a person skilled in the art
Change, readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, is not departing from the situation of present inventive concept
Under, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. a kind of acquisition methods of building model, which is characterized in that the described method includes:
The corresponding numerical cutting tool DSM data in the target area is generated according to the corresponding image data in target area;
The model of target construction in the target area is obtained according to the corresponding DSM data in the target area.
2. according to the method described in claim 1, it is characterized in that, described obtain according to the corresponding DSM data in the target area
The model of target construction in the target area is taken, including:
The corresponding DSM outline datas of the target construction are determined according to the corresponding DSM data in the target area;
Described in being obtained according to the corresponding DSM outline datas of the target construction in the corresponding DSM data in the target area
The corresponding DSM monomers data of target construction;
The model of the target construction is determined according to the corresponding DSM outline datas of the target construction and DSM monomer data.
3. according to the method described in claim 2, it is described according to the corresponding DSM outline datas of the target construction in the mesh
The corresponding DSM monomers data of the target construction are obtained in the corresponding DSM data in mark region, including:
The corresponding DSM data scope of the target construction is determined according to the corresponding DSM outline datas of the target construction;
Judge the corresponding DSM data in the target area whether in the range of the corresponding DSM data of the target construction;
When the corresponding DSM data in the target area is in the range of the corresponding DSM data of the target construction, in the mesh
The corresponding DSM monomers data of the target construction are obtained in the corresponding DSM data in mark region.
It is 4. according to the method described in claim 2, it is characterized in that, described according to the corresponding DSM profiles of the target construction
Data and DSM monomer data determine the model of the target construction, including:
The corresponding model silhouette of the target construction is determined according to the corresponding DSM outline datas of the target construction;
The corresponding model monomer of the target construction is determined according to the corresponding DSM monomers data of the target construction;
The model of the target construction is determined according to the corresponding model silhouette of the target construction and model monomer.
5. it according to the method described in claim 1, it is characterized in that, is obtained according to the corresponding DSM data in the target area
In the target area after the model of target construction, the method further includes:
Judge that the noise in the corresponding model of the target construction is more than default noise threshold;
When whether the noise in the corresponding model of the target construction is more than the default noise threshold, the target is built
It builds the corresponding model of object and carries out denoising so that the noise data in the corresponding model of the target construction is no more than described
Default noise threshold.
6. a kind of acquisition device of building model, described device include:Generation module and acquisition module;Wherein,
The generation module, for generating the corresponding DSM data in the target area according to the corresponding image data in target area;
The acquisition module, for obtaining target structures in the target area according to the corresponding DSM data in the target area
The model of object.
7. device according to claim 6, which is characterized in that the acquisition module includes:Determination unit and acquiring unit;
Wherein,
The determination unit, for determining the corresponding DSM of the target construction according to the corresponding DSM data in the target area
Outline data;
The acquiring unit, for corresponding in the target area according to the corresponding DSM outline datas of the target construction
The corresponding DSM monomers data of the target construction are obtained in DSM data;
The determination unit is additionally operable to determine institute according to the corresponding DSM outline datas of the target construction and DSM monomer data
State the model of target construction.
8. device according to claim 7, it is characterised in that:
The acquiring unit, specifically for determining the target structures according to the corresponding DSM outline datas of the target construction
The corresponding DSM data scope of object;Judge whether the corresponding DSM data in the target area is corresponding in the target construction
In the range of DSM data;When the corresponding DSM data in the target area is in the range of the corresponding DSM data of the target construction
When, the corresponding DSM monomers data of the target construction are obtained in the corresponding DSM data in the target area.
9. device according to claim 7, it is characterised in that:
The determination unit, specifically for determining the target structures according to the corresponding DSM outline datas of the target construction
The corresponding model silhouette of object;Determine that the target construction is corresponding according to the corresponding DSM monomers data of the target construction
Model monomer;The model of the target construction is determined according to the corresponding model silhouette of the target construction and model monomer.
10. device according to claim 6, which is characterized in that the determination unit is additionally operable to judge when the target is built
It builds the noise in the corresponding model of object and is more than default noise threshold;When the noise in the corresponding model of the target construction is more than
During the default noise threshold, the corresponding model of the target construction is subjected to denoising so that the target construction
Noise data in corresponding model is not more than the default noise threshold.
11. a kind of server, which is characterized in that including:
At least one processor;And
The memory being connected at least one processor communication;Wherein,
The memory storage has the instruction that can be performed by least one processor, and described instruction is by least one place
It manages device to perform, so that at least one processor is able to carry out the method as described in claim 1 to 5 any claim.
12. a kind of storage medium, is stored with computer executable instructions, which is characterized in that the computer executable instructions are used
In method of the execution as described in claim 1 to 5 any claim.
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