CN108303070A - A kind of method and system of high-precision three-dimensional mapping - Google Patents
A kind of method and system of high-precision three-dimensional mapping Download PDFInfo
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- CN108303070A CN108303070A CN201810076283.6A CN201810076283A CN108303070A CN 108303070 A CN108303070 A CN 108303070A CN 201810076283 A CN201810076283 A CN 201810076283A CN 108303070 A CN108303070 A CN 108303070A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
- G01C11/06—Interpretation of pictures by comparison of two or more pictures of the same area
- G01C11/08—Interpretation of pictures by comparison of two or more pictures of the same area the pictures not being supported in the same relative position as when they were taken
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Abstract
The present invention relates to a kind of method and system of high-precision three-dimensional mapping, the method includes：Photo control point is laid using the picture control mark of default contrast；According to the photo control point using UAV flight's high-precision camera carry out airborne acquisition image data, after by described image data pass through cluster of workstation carry out data processing calculating；And the image data after calculating is created as to meet the threedimensional model of default precision, after the three-dimensional modeling data is sent to the PC terminals for being equipped with high-precision image processing software according to preset requirement；Processing is carried out to described image data using the dedicated vector acquisition software based on threedimensional model in PC terminals and generates the two-dimensional vector line layout figure in the first accuracy rating.Through experiment, whole flow process precision controlling meets high-precision requirement within ± 5cm.
Description
Technical field
The present invention relates to survey and mapping technical fields, more particularly to a kind of method and system of high-precision three-dimensional mapping.
Background technology
Oblique photograph technology is the new and high technology that international Mapping remote sensing technology field developed recently gets up, by flying same
More sensors are carried on row platform, while acquiring image from different angles such as vertical, inclinations, and it is more complete to obtain ground object
Accurate information.The image that angle shot obtains perpendicular to the ground is known as positive（One group image）, camera lens direction is with ground at certain
The image that angle shooting obtains is known as inclined tab（Four group images）.Tradition 1：500 surveying ＆ mappings are surveyed using total powerstation/GPS receiver
Figure, needs to spend a large amount of manpower and materials costs, the duration is longer, and people needs to undertake higher field work risk.Figure is done in aerial survey
For most of mode with orthography come picture line layout figure, precision can only meet 1：2000, up to 1：1000, it is also necessary to a large amount of
Fieldwork measurement assists, and can save part duration and manpower, but precision is still not achieved 1：500 require.A small amount of use is based on
Threedimensional model mapping mode, can use manpower and material resources sparingly cost, but land deeds 1 is not achieved in precision：500 requirement.Therefore, industry
It is interior be badly in need of it is a kind of needed for operation manpower it is few, operation construction period is short and land deeds precision is up to 1：500 plotting method.
Invention content
In order to overcome the shortcomings of that precision of the existing technology is low and operation construction period is grown, the present invention provides a kind of high-precisions
The method and system of three-dimensional mapping.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of method of high-precision three-dimensional mapping, including：Photo control point is laid using the picture control mark of default contrast；According to the picture
Control point using UAV flight's high-precision camera carry out airborne acquisition image data, after described image data are worked by cluster
It stands and carries out data processing calculating；And the image data after calculating is created as to meet the threedimensional model of default precision, after will be described
Three-dimensional modeling data is sent to the PC terminals for being equipped with high-precision image processing software according to preset requirement；In PC terminals using specially
Vector acquisition software based on threedimensional model carries out two of processing generation in the first accuracy rating to described image data
N dimensional vector n line layout figure.
Preferably, the step of airborne acquisition image data is carried out using UAV flight's high-precision camera according to the photo control point
Suddenly include：The high-precision camera according to certain degree of overlapping rule airborne acquisition matrix aerial image data of taking photo by plane.
Preferably, it is also wrapped after the step of described image data are carried out data processing calculating by cluster of workstation after
It includes：Ground-based server stores into database the aerial image data.
Preferably, first precision is ± 5cm.
Preferably, the default precision is ± 0.5cm.
A kind of system of high-precision three-dimensional mapping, including：Photo control point arranges module, aerial image data acquisition module, sky
Middle image data computing module and two-dimensional vector line layout figure module；The photo control point arranges module, for using default contrast
Picture control mark lay photo control point；
The aerial image data acquisition module, it is empty for being carried out using UAV flight's high-precision camera according to the photo control point
Middle acquisition image data, after by described image data pass through cluster of workstation carry out data processing calculating；The aerial image number
According to computing module, be used for and be created as the image data after calculating to meet the threedimensional model of default precision, after by the three-dimensional
Model data is sent to the PC terminals for being equipped with high-precision image processing software according to preset requirement；The two-dimensional vector scribing line figure
Module, for carrying out processing life to described image data using the dedicated vector acquisition software based on threedimensional model in PC terminals
At the two-dimensional vector line layout figure in the first accuracy rating.
Preferably, the aerial image data acquisition module is additionally operable to the high-precision camera according to certain degree of overlapping
The aerial matrix aerial image data of taking photo by plane of rule acquisition.
Preferably, further include：Aerial image memory module；The aerial image memory module, to the aerial image number
According in storage to database.
Preferably, first precision is ± 5cm.
Preferably, the default precision is ± 0.5cm.
The beneficial effects of the invention are as follows：The present invention arranges photo control point using the picture control mark for presetting contrast；According to the picture
Control point acquires aerial image data using UAV flight's high-precision camera, through experiment, can arrive control aerophotogrammetric field work precision
Up within 1.5cm；The aerial image data are carried out big data cloud computing by the ground-based server, and by the image after calculating
Data are sent to the PC terminals for being equipped with high-precision image processing software, can be by precision controlling within 2.5cm through experiment；
PC terminals carry out processing generation using the vector acquisition software based on threedimensional model for meeting default precision to described image data
Trivector scribing line figure in the first accuracy rating, whole flow process precision controlling meet high-precision requirement within 5cm.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic flow chart of the method for the high-precision three-dimensional mapping of an embodiment.
Fig. 2 is the schematic diagram of the method for the high-precision three-dimensional mapping of an embodiment.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
Referring to Fig. 1, a kind of method of high-precision three-dimensional mapping, including：
S11 lays photo control point using the picture control mark of default contrast；
S12 carries out airborne acquisition image data according to the photo control point using UAV flight's high-precision camera, after by the figure
As data carry out data processing calculating by cluster of workstation.
S13, and the image data after calculating is created as to meet the threedimensional model of default precision, after by the threedimensional model
Data are sent to the PC terminals for being equipped with high-precision image processing software according to preset requirement.
S14, PC terminals using the dedicated vector acquisition software based on threedimensional model to described image data at
Reason generates the two-dimensional vector line layout figure in the first accuracy rating.Preferably, first precision is ± 5cm.The default essence
Degree is ± 0.5cm.
Operating efficiency is also substantially increased using the aerial survey mode of cloud data, is with about 1 square kilometre of reconstruction of the old city town of area
, it is only 15 of personnel needed for traditional artificial mapping based on personnel needed for oblique aerial photography mapping under the conditions of equal accuracy
/ mono-, the field operation used time but improves nearly a hundred times.
This programme arranges photo control point using the picture control mark for presetting contrast；It is high using UAV flight according to the photo control point
Precision camera acquires aerial image data, through experiment, can reach control aerophotogrammetric field work precision within 1.5cm；The ground
The aerial image data are carried out big data cloud computing by server, and the image data after calculating is sent to be equipped with it is high-precision
The PC terminals for spending image processing software, can be by precision controlling within 2.5cm through experiment；It is default smart using meeting in PC terminals
The vector acquisition software based on threedimensional model of degree carries out three of processing generation in the first accuracy rating to described image data
N dimensional vector n scribing line figure, whole flow process precision controlling meet high-precision requirement within 5cm.In addition, using the aerial survey of cloud data
Mode also substantially increases operating efficiency, and the field work time is greatly saved, it is artificial to reduce field work；It shortens the construction period；
Job standardization simultaneously reduces the requirement of operating personnel's profession.
Referring to Fig. 2, a kind of system of high-precision three-dimensional mapping, including：Photo control point arrangement module, aerial image data are adopted
Collect module, aerial image data computation module and trivector scribing line module；The photo control point arranges module, for using pre-
If the picture control mark of contrast lays photo control point；The aerial image data acquisition module, for using nothing according to the photo control point
Man-machine carrying high-precision camera carries out airborne acquisition image data, after described image data are subjected to data by cluster of workstation
Processing calculates；The aerial image data computation module is used for and is created as the image data after calculating to meet default precision
Threedimensional model, after the three-dimensional modeling data is sent to the PC for being equipped with high-precision image processing software according to preset requirement
Terminal；The two-dimensional vector scribing line module, for utilizing the dedicated vector acquisition software based on threedimensional model in PC terminals
Processing is carried out to described image data and generates the two-dimensional vector line layout figure in the first accuracy rating.
In the present embodiment, the aerial image data acquisition module is additionally operable to the high-precision camera according to certain weight
The aerial matrix aerial image data of taking photo by plane of folded metric rule acquisition.
In the present embodiment, further include：Aerial image memory module；The aerial image memory module is used for ground service
Device stores into database the aerial image data.
In the present embodiment, first precision is ± 5cm.
In the present embodiment, the default precision is ± 0.5cm.
The photo control point arrangement module of the present embodiment arranges photo control point using the picture control mark for presetting contrast；Aerial image data
Acquisition module acquires aerial image data according to the photo control point using UAV flight's high-precision camera, through experiment, can incite somebody to action
Aerophotogrammetric field work precision is controlled to reach within 1.5cm；Ground-based server described in aerial image data computation module is by the aerial figure
As data progress big data cloud computing, and the image data after calculating is sent to the PC for being equipped with high-precision image processing software
Terminal, can be by precision controlling within 2.5cm through experiment；Trivector scribing line module is default smart using meeting in PC terminals
The vector acquisition software based on threedimensional model of degree carries out three of processing generation in the first accuracy rating to described image data
N dimensional vector n scribing line figure, whole flow process precision controlling meet high-precision requirement within 5cm.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of method of high-precision three-dimensional mapping, which is characterized in that including：
Photo control point is laid using the picture control mark of default contrast；
Carry out airborne acquisition image data using UAV flight's high-precision camera according to the photo control point, after by described image number
Data processing calculating is carried out according to by cluster of workstation；
And the image data after calculating is created as to meet the threedimensional model of default precision, after by the three-dimensional modeling data according to
Preset requirement is sent to the PC terminals for being equipped with high-precision image processing software；
Processing is carried out in PC terminals to described image data using the dedicated vector acquisition software based on threedimensional model to generate
Two-dimensional vector line layout figure in first accuracy rating.
2. the method for high-precision three-dimensional mapping according to claim 1, which is characterized in that use nothing according to the photo control point
Man-machine carrying high-precision camera carries out the step of airborne acquisition image data and includes：
The high-precision camera according to certain degree of overlapping rule airborne acquisition matrix aerial image data of taking photo by plane.
3. the method for high-precision three-dimensional mapping according to claim 1, which is characterized in that after described image data are passed through
Cluster of workstation carries out：
Ground-based server stores into database the aerial image data.
4. the method for high-precision three-dimensional mapping according to claim 1, which is characterized in that first precision is ± 5cm.
5. the method for high-precision three-dimensional mapping according to claim 1, which is characterized in that the default precision be ±
0.5cm。
6. a kind of system of high-precision three-dimensional mapping, which is characterized in that including：Photo control point arrangement module, aerial image data are adopted
Collect module, aerial image data computation module and two-dimensional vector line layout figure module；
The photo control point arranges module, for laying photo control point using the picture control mark for presetting contrast；
The aerial image data acquisition module, it is empty for being carried out using UAV flight's high-precision camera according to the photo control point
Middle acquisition image data, after by described image data pass through cluster of workstation carry out data processing calculating；
The aerial image data computation module is used for and is created as the image data after calculating to meet the three-dimensional of default precision
Model, after the three-dimensional modeling data is sent to the PC terminals for being equipped with high-precision image processing software according to preset requirement；
The two-dimensional vector scribing line module, for utilizing the dedicated vector acquisition software pair based on threedimensional model in PC terminals
Described image data carry out processing and generate the two-dimensional vector line layout figure in the first accuracy rating.
7. the system of high-precision three-dimensional mapping according to claim 6, which is characterized in that the aerial image data acquisition
Module is additionally operable to the high-precision camera according to the aerial matrix aerial image data of taking photo by plane of certain degree of overlapping rule acquisition.
8. the system of high-precision three-dimensional mapping according to claim 6, which is characterized in that further include：Aerial image stores
Module；
The aerial image memory module, in aerial image data storage to database.
9. the system of high-precision three-dimensional mapping according to claim 6, which is characterized in that first precision is ± 5cm.
10. the system of high-precision three-dimensional mapping according to claim 6, which is characterized in that the default precision be ±
0.5cm。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109668546A (en) * | 2018-11-21 | 2019-04-23 | 中化地质矿山总局新疆地质调查院 | cadastral survey method |
| CN113140021A (en) * | 2020-12-25 | 2021-07-20 | 杭州今奥信息科技股份有限公司 | Vector line generating method, system and computer readable storage medium |
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| CN106908072A (en) * | 2017-02-28 | 2017-06-30 | 郑州云海信息技术有限公司 | A kind of scenic spot intelligent navigation device based on cloud computing |
| CN107421501A (en) * | 2017-03-02 | 2017-12-01 | 舜元建设(集团)有限公司 | A kind of cubic metre of earth and stone survey calculation method of combination oblique photograph, RTK and BIM technology |
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Patent Citations (4)
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| US20140125651A1 (en) * | 2012-11-02 | 2014-05-08 | Trimble Navigation Limited | 3d mapping of a surveyed environment |
| CN103940410A (en) * | 2014-04-14 | 2014-07-23 | 西安煤航信息产业有限公司 | Digital aerial photography measurement method for mapping at ultrahigh magnification |
| CN106908072A (en) * | 2017-02-28 | 2017-06-30 | 郑州云海信息技术有限公司 | A kind of scenic spot intelligent navigation device based on cloud computing |
| CN107421501A (en) * | 2017-03-02 | 2017-12-01 | 舜元建设(集团)有限公司 | A kind of cubic metre of earth and stone survey calculation method of combination oblique photograph, RTK and BIM technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668546A (en) * | 2018-11-21 | 2019-04-23 | 中化地质矿山总局新疆地质调查院 | cadastral survey method |
| CN113140021A (en) * | 2020-12-25 | 2021-07-20 | 杭州今奥信息科技股份有限公司 | Vector line generating method, system and computer readable storage medium |
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