CN110188632A - A kind of land used information census data processing system - Google Patents
A kind of land used information census data processing system Download PDFInfo
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Abstract
This case is a kind of land used information census data processing system, comprising: database；Aerial images obtain module, are used for the airborne acquisition image in target area, establish bilinearity transformation matrices using RANSAC algorithm and realize smart matching treatment；Image processing module is used to that enhancing and conversion process will to be carried out by the image data of geographical matching and data splicing, obtains aerial images feature；Land used information change detection module, is used to post-process classification results, completes the quality evaluation of result data；Land used message processing module: it automatically extracts city and increases construction land figure spot newly, extract doubtful illegal land used information；Data management module is used to manage the data of above-mentioned module storage.This case is based on taking photo by plane and obtain Spatial Information Technology, and the case where not being consistent in quick obtaining Process of Urban Development with program examination and approval, realization is managed data, analyzes, which has many advantages, such as that operation is easy and efficient, comprehensive, and realizes visualization.
Description
Technical field
The present invention relates to three-dimensional spatial information process fields, relate more specifically to a kind of land used information census data processing system
System.
Background technique
Land resource is the environmental resource and material base that the mankind depend on for existence with development, the producing level and hair of exploitation
Exhibition trend develops the integration for directly affecting social economy in harmony, thus land use conflict supervision is with illegal land investigation
The major tasks of the current land and resources administration in China.With the aggravation of Urbanization in China and the continuous expansion of city space,
Town site demand increases considerably, and land resource imbalance between supply and demand constantly aggravates, and rural-urban relation is with people contradictory to conflict
Increasingly serious, land offenses utilize phenomenon very prominent in violation of rules and regulations, drastically influence China's Ecological Civilization Construction process and people from cities and towns
The raising of habitat environment quality.To efficiently solve outstanding problem present in China's land monitoring and management, need reinforcing soil
Ground management of plan executing, resource of protecting farmland conscientiously are arranged in administration, economy and the law etc. that rationalization's land use is taken
While applying, expands and the advanced monitoring technology of in-depth science carries out dynamic monitoring and spatial cognition to land utilization.
Land use supervisor in China's is still using guard station verification as principal mode at present, to Land Use Monitoring by Remote Sensing achievement
Timeliness and accuracy have very high requirement.Spatial-Temporal Features of Land Use/Land Cover Change and its development are monitored and assessed using remote sensing technology
Trend, the generation of discovery in time and prevention land offenses behavior control suspicious construction and investigation illegal land, are current states, China
The important channel of soil resource law enforcement supervision dynamic management.
Summary of the invention
In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide one kind, operation is easy and efficient, comprehensive land used
Information census data processing system.
To achieve the above object, the invention is realized by the following technical scheme:
A kind of land used information census data processing system, comprising:
Database, is stored with land used information data, and the land used information includes the urban planning examination & approval of target area
Data；
Aerial images obtain module, are used for the airborne acquisition image in target area, and become based on scale invariant feature
Scaling method establishes the different scale space of image, extracts the characteristic point of adjacent image, special according to pixel gradient direction distribution is closed on
Property formulate aerial images slightly matched characteristic point directioin parameter, then establish bilinearity using RANSAC algorithm and change
Matrix realizes smart matching treatment；In conjunction with positioning assistance data, the geographical of aerial images is completed using polynomial fitting method and is matched
Splice with data；
Image processing module, the image data for being used to pass through geographical matching and data splicing carry out at enhancing and transformation
Reason, obtains aerial images feature；
Land used information change detection module is used to, according to aerial images feature, determine based on object-oriented classification method
Scale selection, wave band weight, layer combination, mean value factor partitioning parameters establish training center sample using the attribute information of imaged object
This function member library and classifying rules, the information for completing monitoring region aerial images land use using fuzzy mathematics algorithm are automatic
It extracts, classification results is post-processed, the quality evaluation of result data is completed；
Land used message processing module: the land used information in result and database that land used information change detection module is obtained
Data are compared, and carry out the conversion of arrow grid and spatial contrast to the land use data of different-format, are closed using mathematical morphology
The isolated point in changing graphic is eliminated in operation, is automatically extracted city and is increased construction land figure spot newly, extracts doubtful illegal land used
Information；
Data management module, is used to manage the data of above-mentioned module storage, including preview, upload, downloading, deletes and look into
Ask above-mentioned data and image.
Preferably, the land used information census data processing system, wherein the land used message processing module includes turning
Unit and comparing unit are changed, converting unit is used to for the result that ground information change detection module obtains to be converted into newly-increased construction land
Figure spot；Comparing unit is obtained for newly-increased construction land figure spot to be compared with the urban planning examination & approval data in database
The deviation of urban planning examination & approval data in the newly-increased construction land figure spot and database.
Preferably, the land used information census data processing system, wherein described to be spelled by geographical matching and data
The image data connect carries out enhancing and specifically includes with conversion process: being carried out using two-dimensional discrete wavelet conversion method to aerial images
High and low pass filter isolates spectral signature component and space characteristics component, is further divided into frequency-domain segment several different,
The data fusion of each frequency-domain segment runs parallel；The spectral signature component of image is using the abundant degree of spectral information to two width shadows
As being weighted fusion, the spectral characteristic of image is kept；Space characteristics component embodies the detail textures information of aerial images, utilizes
Opposed area liveness completes data fusion.
Preferably, the land used information census data processing system, wherein described to extract doubtful illegal land used letter
Breath specifically includes: increasing the city extracted newly construction land figure spot and urban planning examination & approval data carry out space overlapping point
Analysis, realize monitoring region changing graphic space detection and spatial cognition, and using the space of GIS-Geographic Information System ship calculate come
The changing graphic for having passed through urban planning and examination & approval is rejected, then remaining figure spot is doubtful illegal land used Vector Message.
Preferably, the land used information census data processing system, wherein it further include threedimensional model drafting module,
Doubtful illegal land used information for fitting the land used message processing module, which is drawn, becomes illegal land used mould
Type.
This case the utility model has the advantages that this case based on taking photo by plane and obtain Spatial Information Technology, using aerial images obtain module,
Image processing module, land used information change detection module, land used message processing module, data management module are realized to acquisition
Comparative analysis between image data and physical construction planning examination & approval data, in quick obtaining Process of Urban Development with program examination and approval
The case where not being consistent, and can be realized and be managed to data, analyze, the system have that operation is easy and efficient, comprehensively etc. excellent
Point, and realize visualization.
Detailed description of the invention
Fig. 1 is the schematic diagram of land used information census data processing system described in one embodiment of the invention.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
As shown in Figure 1, embodiment of this case provides a kind of land used information census data processing system, comprising:
Database 1, is stored with land used information data, and the land used information includes the urban planning examination & approval of target area
Data；
Aerial images obtain module 2, are used for the airborne acquisition image in target area, and become based on scale invariant feature
Scaling method establishes the different scale space of image, extracts the characteristic point of adjacent image, special according to pixel gradient direction distribution is closed on
Property formulate aerial images slightly matched characteristic point directioin parameter, then establish bilinearity using RANSAC algorithm and change
Matrix realizes smart matching treatment；In conjunction with positioning assistance data, the geographical of aerial images is completed using polynomial fitting method and is matched
Splice with data；
Image processing module 3 is used to be enhanced and be converted by the image data of geographical matching and data splicing
Processing, obtains aerial images feature；
Land used information change detection module 4 is used for based on object-oriented classification method, according to aerial images feature, really
Dimensioning selection, the combination of wave band weight, layer, mean value factor partitioning parameters establish training center using the attribute information of imaged object
Sample function member library and classifying rules complete the information of monitoring region aerial images land use certainly using fuzzy mathematics algorithm
It is dynamic to extract, classification results are post-processed, the quality evaluation of result data is completed；
Land used message processing module 5: the land used in result and database 1 that land used information change detection module 4 is obtained
Information data is compared, and the conversion of arrow grid and spatial contrast is carried out to the land use data of different-format, using Mathematical Morphology
The isolated point in closed operation elimination changing graphic is learned, city is automatically extracted and increases construction land figure spot newly, extract doubtful illegal
Land used information；
Data management module 6, is used to manage the data of above-mentioned module storage, including preview, upload, downloading, deletion and
Inquire above-mentioned data and image.
The application obtains module 2, image processing module based on taking photo by plane and obtain Spatial Information Technology, using aerial images
3, land used information change detection module 4, land used message processing module 5, data management module 6 realize the image data to acquisition
The comparative analysis between data is examined with physical construction planning, is not consistent in quick obtaining Process of Urban Development with program examination and approval
Situation, and can be realized and data are managed, analyze, which has many advantages, such as that operation is easy and efficient, comprehensive, and realizes
Visualization.Between the adjacent image of certain degree of overlapping, pixel point pair of the same name is found using certain feature point extraction algorithm, is built
Optimal geometric transformation model is found, realizes the geographic registration of unmanned plane image.It is influenced by human factor and technical conditions, same place
Pair selection there is uncertain factors, thus the algorithm based on Feature Matching can effectively replace artificial thorn point, often
Method has the image registration based on grayscale information, the image registration based on transform domain and the image registration based on feature.This
The different scale space of image is established in invention using Scale invariant features transform algorithm, is determined by difference of Gaussian function come accurate
Position extreme point, extracts the characteristic point of adjacent image, formulates characteristic point directioin parameter according to pixel gradient direction distribution characteristic is closed on,
Bilinearity transformation matrices are established using RANSAC algorithm, deletion error matching double points realize the essence of unmanned plane image
Matching treatment.In conjunction with auxiliary positioning data, the geographical matching of unmanned plane image is completed using polynomial fitting method and data are spelled
It connects.The relevant parameters such as best scale, wave band weight, layer combination, the mean value factor for obtaining Image Segmentation are calculated, training center sample is established
This function member library and classifying rules complete the information of monitoring region unmanned plane image land use certainly using fuzzy mathematics algorithm
It is dynamic to extract, classification results are post-processed, guarantee the connectivity and integrality of figure spot, complete result data quality evaluation and
Post-classification comparison.Land used message processing module 5 realizes the space detection and spatial cognition of monitoring region changing graphic, and using ground
Calculation (Insect) is shipped to reject the changing graphic for having passed through urban planning and examination & approval in the space of reason information system, then remaining figure
Spot is doubtful illegal land used Vector Message.
Land used message processing module 5 includes converting unit and comparing unit, and converting unit is for detecting ground information change
The result that module obtains is converted into newly-increased construction land figure spot；Comparing unit is used for newly-increased construction land figure spot and database 1
In urban planning examination & approval data be compared, the urban planning obtained in the newly-increased construction land figure spot and database 1 is examined
The deviation of batch data.
It is specifically included enhancing is carried out by the image data of geographical matching and data splicing with conversion process: utilizing two dimension
Wavelet transform method carries out high and low pass filter to aerial images, spectral signature component and space characteristics component is isolated, into one
Step is divided into frequency-domain segment several different, and the data fusion of each frequency-domain segment runs parallel；The spectral signature component benefit of image
Fusion is weighted to two width images with the abundant degree of spectral information, keeps the spectral characteristic of image；Space characteristics component body
The detail textures information of existing aerial images, completes data fusion using opposed area liveness.The present invention utilizes two-dimensional discrete
Wavelet Transform isolates the spectral signature component and space characteristics component of unmanned plane image data.Spectral signature component utilizes light
The abundant degree of spectrum information is weighted fusion to two width images, keeps the spectral characteristic of image.Space characteristics component then embodies
The detail textures information of unmanned plane image, complete its data fusion using opposed area liveness.Spectral signature component and sky
Between the different frequency-domain segments of characteristic component can be with parallel processing.
It extracts doubtful illegal land used information to specifically include: increasing the city extracted newly construction land figure spot and city
Program examination and approval data in city's carry out spatial overlay analysis, realize the space detection and spatial cognition of monitoring region changing graphic, and adopt
Calculation is shipped to reject the changing graphic for having passed through urban planning and examination & approval with the space of GIS-Geographic Information System, then remaining figure spot is
Doubtful illegal land used Vector Message.
Further include threedimensional model drafting module, is used to fit the land used message processing module 5 doubtful illegal
Violation land used information, which is drawn, becomes illegal land used model.Realize visualization.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (5)
1. a kind of land used information census data processing system characterized by comprising
Database, is stored with land used information data, and the land used information includes the urban planning examination & approval data of target area；
Aerial images obtain module, are used for the airborne acquisition image in target area, and calculate based on Scale invariant features transform
Method establishes the different scale space of image, extracts the characteristic point of adjacent image, according to closing on pixel gradient direction distribution characteristic system
Determine aerial images slightly matched characteristic point directioin parameter, then establishes bilinearity transformation matrices using RANSAC algorithm
Realize smart matching treatment；In conjunction with positioning assistance data, the geographical matching sum number of aerial images is completed using polynomial fitting method
According to splicing；
Image processing module is used to that enhancing and conversion process will to be carried out by the image data of geographical matching and data splicing,
Obtain aerial images feature；
Land used information change detection module is used to determine scale according to aerial images feature based on object-oriented classification method
Selection, the combination of wave band weight, layer, mean value factor partitioning parameters establish training center sample letter using the attribute information of imaged object
Number member library and classifying rules are mentioned automatically using the information that fuzzy mathematics algorithm completes monitoring region aerial images land use
It takes, classification results is post-processed, complete the quality evaluation of result data；
Land used message processing module: the land used information data in result and database that land used information change detection module is obtained
It is compared, the conversion of arrow grid and spatial contrast is carried out to the land use data of different-format, using mathematical morphology closed operation
The isolated point in changing graphic is eliminated, city is automatically extracted and increases construction land figure spot newly, extract doubtful illegal land used information；
Data management module is used to manage the data of above-mentioned module storage, including in preview, upload, downloading, deletion and inquiry
State data and image.
2. land used information census data processing system as described in claim 1, which is characterized in that the land used message processing module
Including converting unit and comparing unit, converting unit is used to for the result that ground information change detection module obtains to be converted into newly-increased build
If land used figure spot；Comparing unit, for comparing newly-increased construction land figure spot and the urban planning examination & approval data in database
It is right, obtain the deviation of the urban planning examination & approval data in the newly-increased construction land figure spot and database.
3. land used information census data processing system as claimed in claim 2, which is characterized in that it is described will by geographical matching and
The image data of data splicing carries out enhancing and specifically includes with conversion process: using two-dimensional discrete wavelet conversion method to aerial images
High and low pass filter is carried out, spectral signature component and space characteristics component are isolated, is further divided into frequency domain several different
Section, the data fusion of each frequency-domain segment run parallel；The spectral signature component of image is using the abundant degree of spectral information to two
Width image is weighted fusion, keeps the spectral characteristic of image；Space characteristics component embodies the detail textures information of aerial images,
Data fusion is completed using opposed area liveness.
4. land used information census data processing system as claimed in claim 3, which is characterized in that the extraction is doubtful illegal
Land used information specifically includes: increasing the city extracted newly construction land figure spot and folds with urban planning examination & approval data progress space
Bonus point analysis, realizes the space detection and spatial cognition of monitoring region changing graphic, and is shipped using the space of GIS-Geographic Information System
It calculates to reject the changing graphic for having passed through urban planning and examination & approval, then remaining figure spot is doubtful illegal land used vector letter
Breath.
5. land used information census data processing system as claimed in claim 4, which is characterized in that further include that threedimensional model draws mould
Block, the doubtful illegal land used information for being used to fit the land used message processing module, which is drawn, becomes illegal use
Ground model.
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| CN112270291A (en) * | 2020-11-11 | 2021-01-26 | 中山大学 | Automatic detection method for illegal construction land development based on multi-source optical remote sensing image |
| CN112288179A (en) * | 2020-11-05 | 2021-01-29 | 重庆市规划和自然资源信息中心 | Optimized analysis method for planned village fruit production by using big data |
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| CN113240026A (en) * | 2021-05-24 | 2021-08-10 | 中国科学院重庆绿色智能技术研究院 | Vector-grid combined inland water surface floater batch identification and extraction method |
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