CN110260876A - A kind of road model generation method and system based on oblique photograph and GIS technology - Google Patents
A kind of road model generation method and system based on oblique photograph and GIS technology Download PDFInfo
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- CN110260876A CN110260876A CN201910567858.9A CN201910567858A CN110260876A CN 110260876 A CN110260876 A CN 110260876A CN 201910567858 A CN201910567858 A CN 201910567858A CN 110260876 A CN110260876 A CN 110260876A
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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
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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
- G01C21/3446—Details of route searching algorithms, e.g. Dijkstra, A*, arc-flags, using precalculated routes
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Abstract
The road model generation method based on oblique photograph and GIS technology that the present invention provides a kind of, oblique photograph technology and GIS technology are reasonably applied to road engineering project by the road model generation method, clearly show the surrounding enviroment situation of Highway Project, better solve the relations problems of highway engineering construction environment Yu existing environment, in the case where guaranteeing that threedimensional model fineness is constant and details is not lost, optimize modeling procedure, the time for saving three-dimensional modeling reduces the operation cost of project.Large scene threedimensional model based on generation has the reference significance of relief road route selection to the route planning in rebuilding old road Project design stage；To build road Projects during Construction Stage be conducive to Design of Construction Organization and optimization；Number basis has been established to the management in built road project O&M stage.System is generated based on the road model of oblique photograph and GIS technology the present invention also provides a kind of.
Description
Technical field
The present invention relates to a kind of road model generation method and system based on oblique photograph and GIS technology.
Background technique
In road modeling technical field, conventional three-dimensional is modeled usually using modeling softwares such as 3ds Max, AutoCAD, is based on
Image data, CAD plan view or shooting picture are by estimating that the information such as contour of building and height are manually modeled.It is this
Although the model data that mode is produced can reduce local detail deformation rate, appearance representation beautiful, but precision is lower, texture with
Actual effect deviation is larger, and needs a large amount of artificial participation production process, and fabrication cycle is longer.
Currently, most of modeling software is primarily directed to build in the design setting model of traditional three-dimensional live model
It builds and manufacturing field, the design requirement that can satisfy transportation only has small part, especially in three-dimensional live road model
Exploitation in, lack representative design setting model optimization process.In the design of existing road three-dimensional live modeler model, there are all
More problems, such as: both the habit of traffic transport industry road modeling and modelling logic are not met, and are only able to satisfy three-dimensional and are built
The basic demand of mould；The efficiency of model creation is too low, excessive cycle, output model cannot be used in time for engineering, influence engineering
Progress；There are problems that poor in timeliness according to drawing creation model, is not able to satisfy the demand of real scene, causes in the project implementation
It is each during be easy to appear false judgment.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent or at least provide one kind useful quotient
Industry selection.For this purpose, an object of the present invention is to provide a kind of road model generation side based on oblique photograph and GIS technology
Oblique photograph technology and GIS technology are reasonably applied to road engineering project by method, the road model generation method, clearly
The surrounding enviroment situation of Highway Project is illustrated, the pass of highway engineering construction environment Yu existing environment is better solved
It is problem, in the case where guaranteeing that threedimensional model fineness is constant and details is not lost, optimizes modeling procedure, save three-dimensional
The time of modeling reduces the operation cost of project.Large scene threedimensional model based on generation, to rebuilding old road Project design rank
The route planning of section has the reference significance of relief road route selection；To setting building road Projects during Construction Stage and be conducive to construction organization
Meter and optimization；Number basis has been established to the management in built road project O&M stage.It is another object of the present invention to mention
It is a kind of out that system is generated based on the road model of oblique photograph and GIS technology.
Road model generation method according to the present invention based on oblique photograph and GIS technology, it is described to be based on oblique photograph
Road model generation method with GIS technology is the following steps are included: step 1: determining the route of road；Step 2: pass through shooting
Device acquires the road and the multi-angle of view oblique photograph picture on the roadside periphery；Step 3: the multi-angle of view is tilted
Photographs is handled by Image Matching Algorithm, to generate point cloud data；Step 4: to the multi-angle of view in step 2
Oblique photograph picture is handled by just penetrating correct algorithm, to generate orthography data, and according to the orthography number
According to the data texturing for generating the road；Step 5: fusion treatment is carried out to the point cloud data and the data texturing.
Road model generation method according to the present invention based on oblique photograph and GIS technology, it is described to be based on oblique photograph
Oblique photograph technology and GIS technology are reasonably applied into road engineering project with the road model generation method of GIS technology, clearly
The surrounding enviroment situation of Highway Project is illustrated clearly, better solves highway engineering construction environment and existing environment
Relations problems optimize modeling procedure, save guaranteeing that threedimensional model fineness is constant and in the case that details is not lost
The time of three-dimensional modeling reduces the operation cost of project.Large scene threedimensional model based on generation, sets rebuilding old road project
The route planning in meter stage has the reference significance of relief road route selection；To being conducive to construction group building road Projects during Construction Stage
Knit design and optimization；Number basis has been established to the management in built road project O&M stage.
In addition, the above-mentioned road model generation method based on oblique photograph and GIS technology according to the present invention, can also have
There is following additional technical characteristic:
The step 1 specifically includes: fixed position is taken pictures in all fronts for setting road and details is taken pictures fixed position simultaneously combines
GIS information, to determine the route of road.
The filming apparatus includes three-dimensional coordinate, and the three-dimensional coordinate and GIS of the filming apparatus are matched automatically to complete
Precise positioning.
The point cloud data and the data texturing fusion treatment in an application software, the application software are
Context Capture or/and Autodesk Meshmixer.
The roadside periphery includes that existing road surrounding building, existing road periphery structures, city trees and shrubs are green
Change, the adjacent or existing peripheral path that mutually converges.
System is generated based on the road model of oblique photograph and GIS technology the invention also discloses a kind of, it is described to be based on inclining
It includes road route determining module that tiltedly the road model of photography and GIS technology, which generates system, for determining the route of road；More views
Overturning angle photographs acquisition module is connected with the road route determining module, for acquiring the road and the road edge
The multi-angle of view oblique photograph picture on line periphery；Point cloud data generation module, with the multi-angle of view oblique photograph picture collection module
It is connected, for being handled by Image Matching Algorithm to generate point cloud data the multi-angle of view oblique photograph picture；Texture
Data generation module is connected with the multi-angle of view oblique photograph picture collection module, for the multi-angle of view oblique photograph figure
Piece is handled by just penetrating correct algorithm to generate orthography data, and generates the road according to the orthography data
Data texturing；Data Fusion module is respectively connected with the point cloud data generation module, data texturing generation module,
For carrying out fusion treatment to the point cloud data and the data texturing.
The road route determining module takes pictures fixed position by setting all fronts of road and details is taken pictures fixed position
And the route of road is determined in conjunction with GIS information.
The multi-angle of view oblique photograph picture collection module includes three-dimensional coordinate, the multi-angle of view oblique photograph picture collection
The three-dimensional coordinate and GIS of module are matched automatically to complete precise positioning.
The Data Fusion module melts the point cloud data and the data texturing by an application software
Conjunction processing, the application software is Context Capture or/and Autodesk Meshmixer.
The roadside periphery includes that existing road surrounding building, existing road periphery structures, city trees and shrubs are green
Change, the adjacent or existing peripheral path that mutually converges.
Road model generation method of the invention compared with the existing technology, also has the advantages that road of the invention
Road model generating method is generated using oblique photograph technology by efficient data acquisition equipment and the flow chart of data processing of profession
Outcome data intuitively reflect the attributes such as appearance, position, the height of atural object, for true effect and mapping class precision guarantee is provided,
And the production efficiency of effective lift scheme, the road modeling work that could be completed for three to five months using artificial modeling pattern
Make, only need time several weeks can be completed by oblique photograph modeling pattern, greatly reduces the warp of three-dimensional modeling data acquisition
Cost of helping and time cost, equally also improve designing quality and efficiency, have liberated manpower and material resources to the greatest extent.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the stream of the road model generation method based on oblique photograph and GIS technology of one embodiment of the present of invention
Cheng Tu；
Fig. 2 is the knot that system is generated based on the road model of oblique photograph and GIS technology of one embodiment of the present of invention
Structure block diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The road model generation method based on oblique photograph and GIS technology that the present invention provides a kind of, it is described based on inclination
The road model generation method of photography and GIS technology is suitable for design, the construction, operation and maintenance stage of Highway Project, phase
For traditional road model generation method, it is able to ascend the production efficiency of model, reduces time cost and economic cost, is promoted
Designing quality and efficiency.
Fig. 1 is the stream of the road model generation method based on oblique photograph and GIS technology of one embodiment of the present of invention
Cheng Tu；Fig. 2 is the structural frames that system is generated based on the road model of oblique photograph and GIS technology of one embodiment of the present of invention
Figure.With reference to Fig. 1-Fig. 2, the present invention provides a kind of road model generation method based on oblique photograph and GIS technology, the base
In the road model generation method of oblique photograph and GIS technology specifically includes the following steps:
S10, the route for determining road.
In the present invention, the road is by taking the design of a highway, construction as an example.Specifically, by setting the height
Fixed position is taken pictures in all fronts of fast highway and details is taken pictures fixed position simultaneously combines GIS (Geography Information
System；GIS-Geographic Information System) information, to determine the route of road.
S20, the road and the multi-angle of view oblique photograph picture on the roadside periphery are acquired by filming apparatus.
In the present invention, the filming apparatus is by taking a unmanned plane with camera unit as an example.In other embodiments, institute
Stating filming apparatus can also be other devices with camera unit.
More apparent dips are acquired by unmanned plane in the present invention to photograph, and shoot road and along the line periphery actual scene picture.Its
In, according to the road and periphery actual scene, including road main body (subgrade and pavement, road slope, bridge) road week along the line
Side building/structures, urban landscaping, adjacent or existing peripheral path mutually converged etc..
S30, the multi-angle of view oblique photograph picture is handled by Image Matching Algorithm, to generate point cloud data.
Road model generation method of the invention is by carrying out multi-angle of view oblique photograph picture by Image Matching Algorithm
Processing, to generate point cloud data, so that the scanning data in multi-angle of view oblique photograph picture records in dots, it is each
A point includes three-dimensional coordinate, but also contains colouring information or Reflection intensity information.
S40, the multi-angle of view oblique photograph picture in step S20 is handled by just penetrating correct algorithm, with life
At orthography data, and generate according to the orthography data data texturing of the road.
Road model generation method of the invention is by carrying out multi-angle of view oblique photograph picture by just penetrating correct algorithm
Processing, to generate orthography data, so as to extract textural characteristics parameter from multi-angle of view oblique photograph picture, to obtain
Obtain quantitative or qualitative description the treatment process of multi-angle of view oblique photograph picture.
S50, fusion treatment is carried out to the data texturing in the point cloud data and step S40 in step S30, to realize
The quick foundation of road outdoor scene model.
Specifically, generating point cloud data, texture number by algorithm process respectively to the multi-angle of view oblique photograph picture
According to rear, of the invention road model generation method by merging point cloud data and data texturing, to realize road
The quick foundation of outdoor scene model.
Road model generation method of the invention, the road model generation method is by oblique photograph technology and GIS technology
Reasonably apply to road engineering project, clearly shows the surrounding enviroment situation of Highway Project, better solve
The relations problems of road engineering construction environment and existing environment, what and details constant in guarantee threedimensional model fineness was not lost
In the case of, modeling procedure is optimized, the time of three-dimensional modeling is saved, reduces the operation cost of project.Based on the big of generation
Scene threedimensional model has the reference significance of relief road route selection to the route planning in rebuilding old road Project design stage；To
It builds road Projects during Construction Stage and is conducive to Design of Construction Organization and optimization；The management in built road project O&M stage is established
Number basis.
Road model generation method of the invention is illustrated with a specific embodiment below:
57.9 kilometers of Zhejiang Province's highway projects overall length, two-way four-lane highway standard working-out, desin speed
100km/h, width of subgrade 26m.Plot where this project is related to planning Large-sized Communication pivot group at totally 6, bridge share 42, it is total
Long 15781.7m, longest bridge have 1400m, and totally 9, tunnel amounts to long 16948m, wherein Longest tunnel overall length 7388m (vertical shaft
Deep 253m, diameter 7m)；In addition there are also the work such as large number of ground demolishing buildings, sign land occupation.Simultaneously directly across country at new two
Scenic spot, at the noises such as school, commune hospital, village, air-sensitive point 75, ecological protection requires extremely stringent.It should
Highway projects, which use, is based on oblique photograph-GIS technology, and the threedimensional model of the road engineering project is constructed in each stage,
Whole model production efficiency is improved, the duration is shortened；It is simultaneously the planning design of item stage, construction organization stage, fortune
Dimension management phase lays the foundation.
According to the road route of this project drafted, in conjunction with GIS data, unmanned plane is preset to the road section that needs model
The line of flight；With the road starting point of this project, the spacing in course line between every two coordinate points is set, to obtain the complete of section
Line is taken pictures a little, sets adaptive coodination modes for unmanned plane, and in this mode, unmanned plane can be in turning point, automatic retarding
To avoid deviateing set route；Operator is taken pictures a little in details to road engineering using ground monitoring platform remote controlled drone
Middle key node capture and is taken pictures, and obtains component detail, and the default of the line of flight is just completed to this.According to setting
The line of flight is based on oblique photograph, obtains the road of all fronts according to boundary lines of roads range along this road project (36 meters/50 meters)
The actual scene picture of section.
According to above-mentioned acquisition all fronts road actual scene picture, it is conducted into full-automatic photogrammetric and 3 d modeling software
Context capture, Autodesk Meshmixer, are successively aligned, and optimize alignment thereof.In software, pass through
Picture after optimization generates dense three-dimensional point cloud, and carries out external environment noise reduction to it, will not need graphic display hardware
It rejects the part of drafting.The step for the threedimensional model that reduces significantly in unnecessary point cloud data, simplify model more, mould
The speed of type creation is greatly improved, while also reducing reconstructing three-dimensional model in the process to computer graphics processor in
The load of central processor reduces the requirement to computer hardware performance.
Classified according to the component that some key nodes of this project carry out identical fine degree requirement, then to identical
The nodal analysis method of fine degree carries out mass processing, which, which is positive, penetrates correction processing, by just penetrating correction processing, generates just
Projection picture generates the texture of road model according to the orthography；It is rebuild to complete the three-dimensional live of road model.
Road model generation method based on oblique photograph and GIS technology of the invention, can not only be according to oblique photograph
Reconstruction road model is quickly efficiently carried out, the large scene threedimensional model based on generation, to the road in rebuilding old road Project design stage
Line gauge draws the reference significance with relief road route selection；To build road Projects during Construction Stage be conducive to Design of Construction Organization with it is excellent
Change；Number basis has been established to the management in built road project O&M stage.
System is generated based on the road model of oblique photograph and GIS technology the present invention also provides a kind of, with reference to Fig. 2, institute
State based on the road model of oblique photograph and GIS technology generate system include road route determining module 100, multi-angle of view inclination take the photograph
Shadow picture collection module 200, point cloud data generation module 300, data texturing generation module 400 and Data Fusion module
500。
The road route determining module 100 is used to determine the route of road.In the present invention, the road route determines
Module 100 takes pictures fixed position by setting all fronts of road and details is taken pictures fixed position is simultaneously determined in conjunction with GIS information
The route on road.
The multi-angle of view oblique photograph picture collection module 200 is connected with the road route determining module 100, for adopting
Collect the road and the multi-angle of view oblique photograph picture on the roadside periphery.
The point cloud data generation module 300 is connected with the multi-angle of view oblique photograph picture collection module 200, for pair
The multi-angle of view oblique photograph picture is handled by Image Matching Algorithm to generate point cloud data.
The data texturing generation module 400 is connected with the multi-angle of view oblique photograph picture collection module 200, for pair
The multi-angle of view oblique photograph picture is handled by just penetrating correct algorithm to generate orthography data, and according to it is described just
Penetrate the data texturing that image data generates the road.
The Data Fusion module 500 and the point cloud data generation module 300, data texturing generation module 400
It is respectively connected with, for carrying out fusion treatment to the point cloud data and the data texturing.
Of the invention generates system based on the road model of oblique photograph and GIS technology, and the road model generates system
Oblique photograph technology and GIS technology are reasonably applied into road engineering project, clearly show the week of Highway Project
Surrounding environment situation better solves the relations problems of highway engineering construction environment Yu existing environment, is guaranteeing threedimensional model
In the case that fineness is constant and details is not lost, modeling procedure is optimized, the time of three-dimensional modeling is saved, reduces project
Operation cost.Large scene threedimensional model based on generation has auxiliary to the route planning in rebuilding old road Project design stage
The reference significance of road line selection；To build road Projects during Construction Stage be conducive to Design of Construction Organization and optimization；To built road
Number basis has been established in the management in project O&M stage.
In specific implementation, the road route determining module 100 by set road all fronts take pictures fixed position and
Details, which is taken pictures, fixed position and determines the route of road in conjunction with GIS information.
In specific implementation, the multi-angle of view oblique photograph picture collection module 200 includes three-dimensional coordinate, the multi-angle of view
The three-dimensional coordinate and GIS of oblique photograph picture collection module 200 are matched automatically to complete precise positioning.
In specific implementation, the Data Fusion module 500 is by an application software to the point cloud data and institute
It states data texturing and carries out fusion treatment, the application software is Context Capture or/and Autodesk Meshmixer.
In the present invention, the application software includes Context Capture and Autodesk Meshmixer.
In specific implementation, the roadside periphery includes that existing road surrounding building, existing road periphery are constructed
Object, urban landscaping, the adjacent or existing peripheral path that mutually converges.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
1. a kind of road model generation method based on oblique photograph and GIS technology, which comprises the following steps:
Step 1: the route of road is determined；
Step 2: the road and the multi-angle of view oblique photograph picture on the roadside periphery are acquired by filming apparatus；
Step 3: the multi-angle of view oblique photograph picture is handled by Image Matching Algorithm, to generate point cloud data；
Step 4: the multi-angle of view oblique photograph picture in step 2 is handled by just penetrating correct algorithm, to generate
Orthography data, and generate according to the orthography data data texturing of the road；
Step 5: fusion treatment is carried out to the point cloud data and the data texturing.
2. the road model generation method according to claim 1 based on oblique photograph and GIS technology, which is characterized in that
The step 1 specifically includes: fixed position is taken pictures in all fronts for setting road and details is taken pictures fixed position simultaneously combines GIS information,
To determine the route of road.
3. the road model generation method according to claim 1 based on oblique photograph and GIS technology, which is characterized in that
The filming apparatus includes three-dimensional coordinate, and the three-dimensional coordinate and GIS of the filming apparatus are matched automatically to complete precise positioning.
4. the road model generation method according to claim 1 based on oblique photograph and GIS technology, which is characterized in that
The point cloud data and the data texturing fusion treatment in an application software, the application software is Context
Capture or/and Autodesk Meshmixer.
5. the road model generation method according to claim 1 based on oblique photograph and GIS technology, which is characterized in that
The roadside periphery include existing road surrounding building, existing road periphery structures, urban landscaping, it is adjacent or
The existing peripheral path mutually converged.
6. a kind of generate system based on the road model of oblique photograph and GIS technology characterized by comprising
Road route determining module, for determining the route of road；
Multi-angle of view oblique photograph picture collection module, is connected with the road route determining module, for acquire the road and
The multi-angle of view oblique photograph picture on the roadside periphery；
Point cloud data generation module is connected, for inclining to the multi-angle of view with the multi-angle of view oblique photograph picture collection module
Oblique photographs is handled by Image Matching Algorithm to generate point cloud data；
Data texturing generation module is connected, for inclining to the multi-angle of view with the multi-angle of view oblique photograph picture collection module
Oblique photographs is handled by just penetrating correct algorithm to generate orthography data, and raw according to the orthography data
At the data texturing of the road；
Data Fusion module is respectively connected with the point cloud data generation module, data texturing generation module, for institute
It states point cloud data and the data texturing carries out fusion treatment.
7. according to claim 6 generate system based on the road model of oblique photograph and GIS technology, which is characterized in that
The road route determining module takes pictures fixed position by setting all fronts of road and details is taken pictures fixed position simultaneously combines GIS
Information determines the route of road.
8. according to claim 6 generate system based on the road model of oblique photograph and GIS technology, which is characterized in that
The multi-angle of view oblique photograph picture collection module includes three-dimensional coordinate, and the three of the multi-angle of view oblique photograph picture collection module
Dimension coordinate and GIS are matched automatically to complete precise positioning.
9. according to claim 6 generate system based on the road model of oblique photograph and GIS technology, which is characterized in that
The Data Fusion module carries out fusion treatment, institute to the point cloud data and the data texturing by an application software
Stating application software is Context Capture or/and Autodesk Meshmixer.
10. according to claim 1 generate system based on the road model of oblique photograph and GIS technology, which is characterized in that
The roadside periphery include existing road surrounding building, existing road periphery structures, urban landscaping, it is adjacent or
The existing peripheral path mutually converged.
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| CN111832106A (en) * | 2020-06-30 | 2020-10-27 | 中建八局轨道交通建设有限公司 | Method for positioning shield well starting position by using unmanned aerial vehicle oblique photography technology |
| CN112767224A (en) * | 2021-01-13 | 2021-05-07 | 厦门市建筑科学研究院有限公司 | Image processing method and system |
| CN113706698A (en) * | 2021-10-25 | 2021-11-26 | 武汉幻城经纬科技有限公司 | Live-action three-dimensional road reconstruction method and device, storage medium and electronic equipment |
| CN114091141A (en) * | 2021-10-15 | 2022-02-25 | 南宁市勘测设计院集团有限公司 | Three-dimensional road generation method and device based on inclined real scene model |
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