CN109872389A - A kind of remote sensing geology construction decomposition method based on three-dimensional terrain model - Google Patents
A kind of remote sensing geology construction decomposition method based on three-dimensional terrain model Download PDFInfo
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Abstract
The invention belongs to remote sensing geology Interpretation Technology fields, and in particular to a kind of remote sensing geology construction decomposition method based on three-dimensional terrain model, method includes the following steps: step 1: the pretreatment of original remote sensing images；Step 2: remote sensing images and digital elevation model fusion after correction generate three-dimensional terrain model；Step 3: geographical structure interpreting is carried out according to three-dimensional terrain model.The present invention establishes a series of processes from original remote sensing image geometric correction to remote Sensing Interpretation, proposes new technical thought and method, constructs interpretation work for remote sensing geology and provides foundation.The present invention is based on specific geology, remote sensing, mathematical method combination, strong operability can be used for all using the architectonic work of remote sensing image interpretation, and the improved efficiency to work remote Sensing Interpretation is higher.
Description
Technical field
The invention belongs to remote sensing geology Interpretation Technology fields, and in particular to a kind of remote sensing geology based on three-dimensional terrain model
Construct decomposition method.
Background technique
The basis of remote sensing image interpretation is remotely-sensed data.With the development of electronic technology, remote sensing technology obtains space and ring
The means of border information are more and more, and data are also just more and more abundant.Especially with the spectral resolution and sky of remote sensor
Between resolution ratio raising, the method and precision of remote sensing geology interpretation also change and improve continuous.Remote Sensing Interpretation is mainly to distant
Color and graphical information on sense image are analyzed, from the various colors reflected on image, mesh from shape information inference
The difference for marking electromagnetic wave characteristics, to identify different terrestrial object informations.
For a long time, visual interpretation is always the main implementation of remote sensing image interpretation, it is a kind of qualitative image
Recognition methods.With the rapid development of computer technology, more and more people have realized that during remote Sensing Interpretation, one
Aspect needs to interpret the experience that personnel sufficiently use them, on the other hand also needs to give full play to modern computer processing image letter
The advantage of breath realizes man-machine interactive image interpretation method.
When remote sensing geology construction interpretation, needs landform and construct the concept of stereoprojection.Previous remote Sensing Interpretation is only stopped
Two-dimentional level is stayed in, i.e., carries out remote Sensing Interpretation work under plane orthogonal projection, interpretation personnel can only construct in the brain of oneself
Wait interpret the threedimensional model in area in order to working.Therefore it provides a kind of constructed using computer wait interpret area dimensionally
The method of matter model, capable of helping to interpret personnel, more preferably ground-to-ground texture is made and analyzes and extract.
Summary of the invention
The technical problem to be solved in the invention are as follows: propose a kind of remote sensing geology construction interpretation based on three-dimensional terrain model
Method, for solving the technical issues of geological structure information remote Sensing Interpretation is with extracting.
The technical scheme adopted by the invention is that:
A kind of remote sensing geology construction decomposition method based on three-dimensional terrain model, method includes the following steps:
Step 1: the pretreatment of original remote sensing images；
Step 2: remote sensing images and digital elevation model after correction are overlapped fusion, generate three-dimensional terrain model；
Step 3: geographical structure interpreting is carried out according to three-dimensional terrain model.
Step 1 as described above: the pretreatment of original remote sensing images, comprising:
Step 1.1 chooses the remote sensing images and digital elevation model for meeting required precision, ground according to the difference of interpretation precision
A graphic data data scale bar level bigger than the scale bar of end result graph；
Step 1.2 eliminates the geometric deformation in original remote sensing images, transformation including pixel coordinate and to coordinate transform after
Pixel brightness value carry out resampling, using Polynomial Method carry out geometric correction:
Step 1.2.1 establishes image coordinate and ground coordinate according to the spatial correspondence of image and digital elevation model
Between mathematical model；
Step 1.2.2 carries out compensating computation and accuracy assessment according to ground control point and corresponding picpointed coordinate；
Step 1.2.3 carries out geometric transformation and resampling to original remote sensing images；
Step 1.3 carries out image enhancement, digital mosaic according to Characteristics of The Remote Sensing Images and need of work.
Step 2 as described above: remote sensing images and digital elevation model after correction are overlapped fusion, generate three-dimensional
Terrain model, comprising:
Step 2.1 in ArcGIS ArcScene platform, import correction after remote sensing images and open its attribute, in base
Importing digital elevation model data in this height option；The clarity and remote sensing images and elevation model data of Three-dimensional Display effect
Resolution ratio it is related, resolution ratio is higher, show it is finer；
The scaling coefficient of height above sea level is arranged in step 2.2 in remote sensing images attribute, and three-dimensional rendering effect is arranged.
Step 3 as described above: geographical structure interpreting is carried out according to three-dimensional terrain model, comprising:
The color characteristic reflected according to remote sensing images, and the surface configuration just to rise and fall in three-dimensional terrain model is combined,
Carry out detailed geographical structure interpreting, wherein the mark image feature for interpreting construction has: lithostratigraphy image is cut or bad break
Linear texture；It is architectonic discontinuous；Tonal anomaly line and abnormal belt and tonal anomaly interface；The negative ground being linearly distributed
Shape；Occur the fault facet extended linearly, fault escarpment and fault escarpment on landforms；The changing of the relative positions of ridge line；Drainage pattern is dredged
Close, flow direction abnormal position；Two kinds of epoch differ significantly layer linear contact boundary line；The faulted rock of alteration is along band-like point
Cloth.
The beneficial effects of the present invention are: the present invention establishes the system from original remote sensing image geometric correction to remote Sensing Interpretation
Column process proposes new technical thought and method, constructs interpretation work for remote sensing geology and provides foundation.The present invention is based on bright
True geology, remote sensing, mathematical method combination, strong operability can be used for all and utilize the architectonic work of remote sensing image interpretation
Make, it is higher to the improved efficiency of remote Sensing Interpretation work.
Detailed description of the invention
Fig. 1 is a kind of remote sensing geology construction interpretation method flow diagram based on three-dimensional terrain model provided by the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of remote sensing geology based on three-dimensional terrain model constructs decomposition method, this method includes following step
It is rapid:
Step 1: the pretreatment of original remote sensing images；
Step 1.1 chooses the remote sensing images and digital elevation model for meeting required precision according to the difference of interpretation precision, than
Such as, to complete the interpretation of 1:50000 remote sensing geology, the spatial resolution of remote sensing image data need to be not more than 5 meters, terrain data money
Expect a scale bar level at least bigger than the scale bar of end result graph；There is the remote sensing geology of particular/special requirement to interpret, the sky of data
Between resolution ratio according to DD2011-01 technical standard determine.
Step 1.2 due on original remote sensing images the features such as geometric position, shape, size, orientation of each atural object with joining
Expression in lighting system can generate geometric deformation when requiring inconsistent,
Therefore need to eliminate geometric deformation in original remote sensing images, transformation including pixel coordinate and to coordinate transform after
Pixel brightness value carry out resampling, using Polynomial Method carry out geometric correction:
Step 1.2.1 establishes the mathematical model between image coordinate and ground coordinate according to the imaging mode of image；
Step 1.2.2 carries out compensating computation and accuracy assessment according to ground control point and corresponding picpointed coordinate；
Step 1.2.3 carries out geometric transformation and resampling to original remote sensing images；
Step 1.3 carries out image enhancement, digital mosaic according to Characteristics of The Remote Sensing Images and need of work.Specific production method
It can be executed according to Its Relevant Technology Standards DD2011-01.
Step 2: remote sensing images and digital elevation model after correction are overlapped fusion, generate three-dimensional terrain model；
Step 2.1 in ArcGIS ArcScene platform, import correction after remote sensing images and open its attribute, in base
Importing digital elevation model data in this height option；The clarity and remote sensing images and elevation model data of Three-dimensional Display effect
Resolution ratio it is related, resolution ratio is higher, show it is finer；
The scaling coefficient of height above sea level is arranged in step 2.2 in remote sensing images attribute, can protrude the height of earth's surface
It rises and falls, is interpreted convenient for staff；And three-dimensional rendering effect is set.Three-dimensional rendering effect, which is arranged, can enhance the matter of Raster Images
Amount, in the case where computer performance allows, it is highest specification that three-dimensional rendering effect, which can be set,.
Step 3: geographical structure interpreting is carried out according to three-dimensional terrain model:
Remote sensing geology construction interpretation be the form that various geological structure traces are identified, sketched and studied on remote sensing images,
Occurrence, the regularity of distribution, syntagmatic and its genetic relationship etc..
The color characteristic reflected according to remote sensing images, and the surface configuration just to rise and fall in three-dimensional terrain model is combined,
Carry out detailed geographical structure interpreting, the image feature for interpreting construction mainly has: lithostratigraphy image is cut or bad break is linear
Shadow line；It is architectonic discontinuous；Tonal anomaly line and abnormal belt and tonal anomaly interface；The negative land form being linearly distributed；Ground
Occur the fault facet extended linearly, fault escarpment and fault escarpment in looks；The changing of the relative positions of ridge line；Drainage pattern, density, flow direction
Abnormal position；Two kinds of epoch differ significantly layer linear contact boundary line；The faulted rock of alteration is along zonal distribution.
During interpretation, to make full use of with analyzing three-dimensional terrain model, it is more by the height at different visual angles and sight
Angle solid interprets geological structure.
The present invention is explained in detail above in conjunction with drawings and examples, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.The content being not described in detail in the present invention can use the prior art.
Claims (4)
1. a kind of remote sensing geology based on three-dimensional terrain model constructs decomposition method, it is characterised in that: this method includes following step
It is rapid:
Step 1: the pretreatment of original remote sensing images；
Step 2: remote sensing images and digital elevation model after correction are overlapped fusion, generate three-dimensional terrain model；
Step 3: geographical structure interpreting is carried out according to three-dimensional terrain model.
2. a kind of remote sensing geology based on three-dimensional terrain model according to claim 1 constructs decomposition method, feature exists
In: the step one: the pretreatment of original remote sensing images, comprising:
Step 1.1 chooses the remote sensing images and digital elevation model for meeting required precision, ground figurate number according to the difference of interpretation precision
According to a data scale bar level at least bigger than the scale bar of end result graph；
Step 1.2 eliminates the geometric deformation in original remote sensing images, transformation including pixel coordinate and to the picture after coordinate transform
Plain brightness value carries out resampling, carries out geometric correction using Polynomial Method:
Step 1.2.1 is established between image coordinate and ground coordinate according to the spatial correspondence of image and digital elevation model
Mathematical model；
Step 1.2.2 carries out compensating computation and accuracy assessment according to ground control point and corresponding picpointed coordinate；
Step 1.2.3 carries out geometric transformation and resampling to original remote sensing images；
Step 1.3 carries out image enhancement, digital mosaic according to Characteristics of The Remote Sensing Images and need of work.
3. a kind of remote sensing geology based on three-dimensional terrain model according to claim 1 constructs decomposition method, feature exists
In: the step two: remote sensing images and digital elevation model after correction are overlapped fusion, generate three-dimensional terrain model,
Include:
Step 2.1 in ArcGIS ArcScene platform, import correction after remote sensing images and open its attribute, substantially high
Spend importing digital elevation model data in option；The clarity and remote sensing images of Three-dimensional Display effect and point of elevation model data
Resolution is related, and resolution ratio is higher, shows finer；
The scaling coefficient of height above sea level is arranged in step 2.2 in remote sensing images attribute, and three-dimensional rendering effect is arranged.
4. a kind of remote sensing geology based on three-dimensional terrain model according to claim 1 constructs decomposition method, feature exists
In: geographical structure interpreting the step three: is carried out according to three-dimensional terrain model, comprising:
The color characteristic reflected according to remote sensing images, and the surface configuration just to rise and fall in three-dimensional terrain model is combined, it carries out
Detailed geographical structure interpreting, wherein the mark image feature for interpreting construction has: lithostratigraphy image is cut or bad break is linear
Shadow line；It is architectonic discontinuous；Tonal anomaly line and abnormal belt and tonal anomaly interface；The negative land form being linearly distributed；Ground
Occur the fault facet extended linearly, fault escarpment and fault escarpment in looks；The changing of the relative positions of ridge line；Drainage pattern, density, flow direction
Abnormal position；Two kinds of epoch differ significantly layer linear contact boundary line；The faulted rock of alteration is along zonal distribution.
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| CN110427857A (en) * | 2019-07-26 | 2019-11-08 | 国网湖北省电力有限公司检修公司 | A kind of transmission line of electricity geological disasters analysis method based on Remote Sensing Data Fusion Algorithm |
| CN110672073A (en) * | 2019-10-17 | 2020-01-10 | 中南大学 | Method and device for assisting tunnel site area construction based on three-dimensional remote sensing technology |
| CN110728752A (en) * | 2019-10-21 | 2020-01-24 | 西南交通大学 | Construction method of three-dimensional terrain scene model of road |
| CN110766794A (en) * | 2019-10-10 | 2020-02-07 | 中山大学 | Method and device for acquiring fault geometry and computer equipment |
| CN111738983A (en) * | 2020-05-29 | 2020-10-02 | 核工业北京地质研究院 | Method for judging nature of latent fracture activity |
| CN111754618A (en) * | 2020-05-28 | 2020-10-09 | 深圳大学 | Object-oriented live-action three-dimensional model multilevel interpretation method and system |
| CN113535878A (en) * | 2021-07-23 | 2021-10-22 | 石家庄铁道大学 | Line selection method, device, terminal and storage medium based on three-dimensional geological modeling |
| CN115019006A (en) * | 2022-08-05 | 2022-09-06 | 中国科学院地质与地球物理研究所 | Multi-scale three-dimensional engineering geological model construction system and method |
| CN116523884A (en) * | 2023-05-06 | 2023-08-01 | 广州纳诺科技股份有限公司 | Remote sensing image data intelligent interpretation method |
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| CN110427857A (en) * | 2019-07-26 | 2019-11-08 | 国网湖北省电力有限公司检修公司 | A kind of transmission line of electricity geological disasters analysis method based on Remote Sensing Data Fusion Algorithm |
| CN110766794B (en) * | 2019-10-10 | 2021-10-15 | 中山大学 | Method and device for acquiring fault geometry and computer equipment |
| CN110766794A (en) * | 2019-10-10 | 2020-02-07 | 中山大学 | Method and device for acquiring fault geometry and computer equipment |
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| CN110728752A (en) * | 2019-10-21 | 2020-01-24 | 西南交通大学 | Construction method of three-dimensional terrain scene model of road |
| CN111754618A (en) * | 2020-05-28 | 2020-10-09 | 深圳大学 | Object-oriented live-action three-dimensional model multilevel interpretation method and system |
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| CN113535878A (en) * | 2021-07-23 | 2021-10-22 | 石家庄铁道大学 | Line selection method, device, terminal and storage medium based on three-dimensional geological modeling |
| CN113535878B (en) * | 2021-07-23 | 2022-09-27 | 石家庄铁道大学 | Line selection method, device, terminal and storage medium based on three-dimensional geological modeling |
| CN115019006A (en) * | 2022-08-05 | 2022-09-06 | 中国科学院地质与地球物理研究所 | Multi-scale three-dimensional engineering geological model construction system and method |
| US11828902B1 (en) * | 2022-08-05 | 2023-11-28 | Institute of Geology And Geophysics, CAS | Multi-scale three-dimensional (3D) engineering geological model construction system and method |
| CN116523884A (en) * | 2023-05-06 | 2023-08-01 | 广州纳诺科技股份有限公司 | Remote sensing image data intelligent interpretation method |
| CN116523884B (en) * | 2023-05-06 | 2023-11-14 | 广州纳诺科技股份有限公司 | Remote sensing image data intelligent interpretation method |
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Application publication date: 20190611 |