CN101964009B - System and method for manufacturing 3D products based on interferometric synthetic aperture radar (INSAR) - Google Patents
System and method for manufacturing 3D products based on interferometric synthetic aperture radar (INSAR) Download PDFInfo
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Abstract
The invention discloses a system and a method for manufacturing 3D products base on an interferometric synthetic aperture radar (INSAR). The system comprises a parameter input unit, a 3D product manufacturing system and a display, wherein, the 3D product manufacturing system comprises a controller as well as a memory, an I/O interface, a data format conversion module, a data output module, a 3D data quality inspection and assessment module, a DEM\DOM data edition module, a DLG data collecting and editing module, a drawing output module and a 3D product quality inspection module which are respectively connected with the controller. The method comprises the following steps: 1. acquiring DEM and DOM original measuring data of a measured region; 2. carrying out photogrammetric office work mapping; 3. carrying out photogrammetric field work annotating and data correcting; and 4. outputting the result. The invention has the advantages of reasonable design, simple operation and good use effect, can realize the integration production of the 3D products, has short drawing period and high drawing quality, and effectively solves the defects of operation dispersion, low drawing efficiency andlower drawing accuracy of the existing 3D product manufacturing device.
Description
Technical field
The invention belongs to the radar interference field of measuring technique, especially relate to a kind of system and method for making the 3D product based on INSAR.
Background technology
INSAR (Interferometric Synthetic Aperture Radar; Be called for short: the interferometer radar measurement) technology comes from the U.S., obtains constantly improving with ripe in American-European developed country, and its application is also constantly promoted.For the flourishing country of I NSAR technology; Like the spatial information industrial technology company of the U.S. with Germany; With the Airborne High-resolution INSAR technology of practicability as a kind of new, advanced technological means; Be used for topographic mapping, forest surveying, resource exploration and aspects such as environment drawing, geologic media and disaster monitoring, and along with this technological fast development, new application is being widened progressively also.Brazil ORBISAT company practicability airborne synthetic aperture radar interferometer measuration system can be used for the landform mapping of 1: 50000 to 1: 5000 engineer's scale, and can be used in production figures elevation model (DEM), digital surface model (DSM), digital orthophoto map (DOM) and level line.
In China, to obtain above-mentioned geography information product at present and mainly adopt the photogrammetric measurement technological means, this technological means depends critically upon weather, implements under the conditions such as needing by day, shine upon, be cloudless.The radar interference measuring technique then has the following advantages: 1, do not rely on sunshine, but utilize the electromagnetic wave of himself emission to measure, therefore with shine upon irrelevant, the work of round-the-clock round the clock.2, except piercing the clouds and mist; To some atural objects (medium) like rock, soil, unconsolidated sediment, vegetation, ice sheet etc.; The ability that penetrates certain depth is arranged, therefore can not only reflect the information of earth surface, can also reflect the information of the following material in the face of land to a certain extent.3, radar beam produces radar shadow to terrain slope irradiation back, i.e. dark picture areas, and this light and shade effect can strengthen the stereoscopic sensation of image; And the tangible topographic relief sense of this kind has stronger expressive force and better detection effect to information such as landform, landforms and tectonic structures.4, radar interference is measured the elevation information that can directly obtain landform.In addition; Growing along with to the digital space information requirement; The concern digital photogrammetry product that People more and more is many such as the 3D product, comprises that specifically digital line draws map (being called for short DLG), digital elevation model (vehicle economy M) and digital orthophoto map (abbreviation DOM).In view of above reason; China has also begun interference synthetic aperture radar in topographic mapping demonstration research; Be intended to promote this technology can serve national Important Project and application demands such as our west area mapping of long-term puzzlement, cloudy, area of heavy rainfull mapping, border area mapping and national disaster emergency response; Remedy the deficiency that photogrammetric measurement receives weather effect, thereby promote the ability that economic construction is served in aviation SAR remote sensing.
At present; The existing all relatively dispersions of digital photogrammetry equipment that are used to make the 3D product on the market; Do not have incorporate manufacturing system and do not have a cover perfect 3D production method of design relatively; Thereby use operation more loaded down with trivial details, and the error between the produced 3D product of different technologies personnel is bigger, and precision is lower.
Summary of the invention
Technical matters to be solved by this invention is to above-mentioned deficiency of the prior art, and a kind of structure-integrated, uses is easy and simple to handle and input cost is low, result of use is good system based on INSAR making 3D product is provided.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of system that makes the 3D product based on INSAR; It is characterized in that: the display that comprises parameter input unit, shows synchronously according to the 3D production system of the input measurement data creating 3D of parameter input unit institute product and 3D product that 3D production system made is generated; Said 3D production system joins with parameter input unit and display respectively, and said 3D product comprises that the DLG digital line draws map, DEM digital elevation model and DOM digital orthophoto map; Said 3D production system comprise controller and the storer, the I/O interface that is used for inputoutput data, Data Format Transform module, data outputting module, the quality inspection of 3D data and the evaluation module that join with controller respectively, DOM data editing module, DLG data gather and edit module, drawing output module and 3D quality control module; Said parameter input unit and controller join, and said data outputting module is all joined with display with the drawing output module.
Above-mentioned a kind of system that makes the 3D product based on INSAR is characterized in that: also comprise the printer that joins with controller and controlled by controller.
Above-mentioned a kind of system that makes the 3D product based on I NSAR, it is characterized in that: said parameter input unit, 3D production system and display are formed a complete PC.
Simultaneously, the invention also discloses a kind of reasonable in design, realize convenient, imaging quality is high and drawing speed fast, make the short method of making the 3D product based on INSAR of duration, it is characterized in that this method may further comprise the steps:
Step 1, obtain the raw measurement data in measured zone: adopt airborne Interference synthetic aperture radar INSAR that the landform in measured zone is carried out remote sensing survey, and obtain the DEM raw measurement data and the DOM raw measurement data in measured zone; Said DEM raw measurement data is the digital elevation data, and said DOM raw measurement data is the digital orthoimage data;
Step 2, aerial mapping within the industry, its mapping process is following:
201, data input and Data Format Transform: said DEM raw measurement data and DOM raw measurement data are inputed to controller through the I/O interface;
Controller reads DEM raw measurement data and the DOM raw measurement data of being imported: when controller can not read input DEM raw measurement data and DOM raw measurement data; Controller calls the Data Format Transform module and respectively the data layout of DEM raw measurement data and DOM raw measurement data is changed, and the DEM raw measurement data of being imported and DOM raw measurement data are converted into the data layout that controller can distinguish and deposit in the storer synchronously in the dem data storehouse of being set up and DOM database; Otherwise, directly change step 202 over to;
202,3D production; Utilize controller that said DEM raw measurement data and DOM raw measurement data are carried out analyzing and processing; And corresponding DEM digital elevation model, DOM digital orthophoto map and the DLG digital line that makes measured zone draw map, and its manufacturing process is following:
2021, data precision detects; Through the automatic detection mode of manual detection or system said DEM raw measurement data and DOM raw measurement data are carried out quality check and assessment: at first; Through parameter input unit the data precision detection mode is set at the automatic detection mode of manual detection mode or system: when adopting the manual detection mode to carry out quality check with assessment; Controller calls data outputting module earlier and exports said DEM raw measurement data and DOM raw measurement data to display respectively and show synchronously; Whether meet each item technical indicator that photogrammetric data need possess through said DEM raw measurement data of artificial judgment and DOM raw measurement data again: when judgement draws said DEM raw measurement data and DOM raw measurement data and all meets each item technical indicator that photogrammetric data need possess; Then pass through parameter input unit to the controller input control order, and get into step 302; Otherwise, to the controller input control order, said DEM raw measurement data and DOM raw measurement data are returned controller through parameter input unit, and stop 3D production of products process;
When the automatic detection mode of employing system is carried out quality check with assessment; Controller calls the quality inspection of 3D data and evaluation module judges whether said DEM raw measurement data and DOM raw measurement data meet each item technical indicator that photogrammetric data need possess; And judged result is uploaded to controller synchronously: when judgement draws said DEM raw measurement data and DOM raw measurement data and all meets each item technical indicator that photogrammetric data need possess, get into step 302; Otherwise quality inspection of 3D data and evaluation module return said DEM raw measurement data and DOM raw measurement data to controller, and stop 3D production of products process;
2022, DEM digital elevation model and DOM digital orthophoto map are made: controller call DOM data editing module; And conventional editing method according to the DOM data set of the dem data collection of DEM digital elevation model and DOM digital orthophoto map; Respectively said DEM raw measurement data and DOM raw measurement data are carried out editing and processing; Corresponding acquisition dem data collection and DOM data set; And among the dem data Ji Ku and DOM data set storehouse that dem data collection and DOM data set are deposited in the storer respectively to be set up synchronously, just accomplish DEM digital elevation model and DOM Making of Digital Orthophoto Map process;
2023, the DLG digital line is drawn cartography: controller calls the DLG data module of gathering and editing; Earlier collection of dem data described in the step 302 and DOM data set are carried out editing and processing respectively; The corresponding collection out need to be made relief data collection and the atural object data set that the DLG digital line is drawn map, and among the relief data Ji Ku and atural object data set storehouse that relief data collection and atural object data set are deposited in the storer respectively to be set up synchronously; Again said relief data collection and atural object data set are merged; The vector data collection of basic geographic element on the INSAR topomap described in the corresponding acquisition step 1; And in the vector data collection storehouse that said vector data collection is deposited in the storer to be set up synchronously, just accomplish the manufacturing process that the DLG digital line is drawn map;
Step 3, field operation are transferred and are painted and data correction: transfer the method for painting according to conventional field operation; The DLG digital line that made in the step 2023 is accomplished is drawn map and is carried out field operation and mend and survey and accent is painted; And mend to survey and transfer according to field operation and paint the result the concentrated corresponding data of vector data described in the dem data collection described in the step 2022 and DOM data set and the step 2023 is revised; And said dem data Ji Ku, DOM data set storehouse and vector data Ji Ku carried out real-time update, the revised dem data collection of corresponding acquisition, DOM data set and vector data collection;
Step 4, result's output: controller calls to be exported after the drawing output module converts revised dem data collection, DOM data set or vector data collection into graphical format; And obtain DEM digital elevation model, DOM digital orthophoto map and DLG digital line and draw map, just accomplish 3D production of products process this moment.
Above-mentioned a kind of method of making the 3D product based on INSAR; It is characterized in that: before the result's output described in the step 4; Also need pass through the automatic detection mode of manual detection or system; And draw the quality requirements of map according to conventional DEM digital elevation model, DOM digital orthophoto map and DLG digital line; Revised dem data collection, DOM data set and vector data collection described in the step 3 are carried out quality check: at first; Through parameter input unit the quality control mode is set at the automatic detection mode of manual detection mode or system: when adopting the manual detection mode to carry out quality check; Controller calls the drawing output module earlier and revised dem data collection, DOM data set or vector data collection are converted into exports display to behind the graphical format and show synchronously; Whether draw map through DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the artificial judgment conversion again conforms to quality requirements: it is then to get into step 4 that the DEM digital elevation model after judgement draws conversion, DOM digital orthophoto map and DLG digital line draw that map all conforms to quality requirements; Otherwise, to the controller input control order, stop 3D production of products process through parameter input unit;
When the automatic detection mode of employing system is carried out quality check; Controller calls 3D quality control module and judges that DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the conversion draw map and whether conform to quality requirements; And judged result is uploaded to controller synchronously: when the DEM digital elevation model after judgement draws conversion, DOM digital orthophoto map and DLG digital line are drawn map and need be conformed to quality requirements, get into step 4; Otherwise, and stop 3D production of products process.
Above-mentioned a kind of method of making the 3D product based on I NSAR; It is characterized in that: when revised dem data collection, DOM data set and vector data collection carry out quality check described in the step 3, DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the inspection conversion are drawn map carry out plane precision inspection, vertical accuracy inspection and edge fit inspection respectively.
Above-mentioned a kind of method of making the 3D product based on INSAR; It is characterized in that: described in the step 2022 according to the conventional editing method of the DOM data set of the dem data collection of DEM digital elevation model; When said DEM raw measurement data is carried out editing and processing, need that said DEM raw measurement data is carried out data resampling, data splicing framing, coordinate conversion and metadata and generate processing; Conventional editing method according to the DOM data set of DOM digital orthophoto map; When said DOM raw measurement data is carried out editing and processing, need that said DOM raw measurement data is carried out data splicing framing, coordinate conversion, the even look of image, header file generation and metadata and generate processing.
Above-mentioned a kind of method of making the 3D product based on INSAR; It is characterized in that: described in the step 2023 the dem data collection is carried out editing and processing; And corresponding collection the out when need making the DLG digital line and drawing the relief data collection of map, need editing and processing and generate level line and the elevation number point on the INSAR topomap in measured zone; The DOM data set is carried out editing and processing; And corresponding collection the out when needing making DLG digital line to draw the atural object data set of map, need editing and processing and generate point-like atural object data, linear ground object data, area feature data on the said INSAR topomap and the annotation key element of respectively point-like atural object, linear ground object and area feature on the said INSAR topomap being carried out mark.
Above-mentioned a kind of method of making the 3D product based on INSAR is characterized in that: it is that engineer's scale is that 1: 10000～1: 50000 digital line is drawn map that the DLG digital line that is obtained in the step 4 is drawn map.
The present invention compared with prior art has the following advantages:
1, the 3D production system architecture that is adopted is integrated, use is easy and simple to handle and input cost is low.
2, result of use is good, and the cycle of making 3D product is short, drawing speed is fast and draught smanship is high, and precision is high.
3, the simple and brakingization degree height of manufacturing process steps, draught smanship is prone to control.
4, practical value is high, and the working in dispersion that has the 3D production now is improved to institutional operation, has improved production efficiency, has shortened the production cycle, and convenient management, and standard is single.
5, economic benefit and obvious social benefit; Can effectively promote the INSAR technical service in national Important Project and application demands such as our west area mapping of long-term puzzlement, cloudy, area of heavy rainfull mapping, border area mapping and national disaster emergency responses; Remedy the deficiency that photogrammetric measurement receives weather effect, promote the ability that economic construction is served in China aviation INSAR remote sensing.Simultaneously,, of the application of INSAR new technology can be promoted effectively, and the business operation process of INSAR technology can be promoted effectively at topographic mapping through the present invention because the INSAR technology also mainly is in the experimental study in China at present.
In sum; The present invention is reasonable in design, use is easy and simple to handle, input cost is low and result of use is good; The draught smanship that can realize the integrated production of 3D product, drawing cycle weak point and obtained 3D product is high; Can effectively bring into play each big advantage of INSAR technology, effective number of drawbacks and deficiencies such as the existing existing operation dispersion of 3D production equipment, drawing efficiency is low, cartographic accuracy is relatively poor of solving.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 the present invention is based on the circuit system theory diagram that INSAR makes the 3D product.
Fig. 2 the present invention is based on the method flow diagram that INSAR makes the 3D product.
Description of reference numerals:
The 1-parameter input unit; 2-3D production system; The 2-1-controller;
The 2-2-storer; The 2-3-I/O interface; 2-4-Data Format Transform module;
Quality inspection of 2-5-3D data and 2-6-data outputting module; DOM data edition
Evaluation module; Module;
The 2-8-DLG data mould 2-9-drawing output module of gathering and editing; The 2-10-3D quality control
Piece; Module;
The 3-display; The 4-printer;
Embodiment
A kind of system that makes the 3D product based on I NSAR as shown in Figure 1; The display 3 that comprises parameter input unit 1, shows synchronously according to the 3D production system 2 of 1 input measurement data creating of parameter input unit 3D product and 3D product that 3D production system 2 mades are generated; Said 3D production system 2 joins with parameter input unit 1 and display 3 respectively, and said 3D product comprises that the DLG digital line draws map, DEM digital elevation model and DOM digital orthophoto map.Said 3D production system 2 comprise controller 2-1 and the storer 2-2, the I/O interface 2-3 that is used for inputoutput data, Data Format Transform module 2-4, data outputting module 2-6, the quality inspection of 3D data and the evaluation module 2-5 that join with controller 2-1 respectively, DOM data editing module 2-7, DLG data gather and edit module 2-8, drawing output module 2-9 and 3D quality control module 2-10.Said parameter input unit 1 is joined with controller 2-1, and said data outputting module 2-6 and drawing output module 2-9 all join with display 3.
Simultaneously, also comprise the printer 4 that joins with controller 2-1 and control by controller 2-1.In the present embodiment, said parameter input unit 1,3D production system 2 and display 3 are formed a complete PC, thereby realize very convenient.
A kind of method of making the 3D product based on I NSAR as shown in Figure 2 may further comprise the steps:
Step 1, obtain the raw measurement data in measured zone: adopt airborne Interference synthetic aperture radar I NSAR that the landform in measured zone is carried out remote sensing survey, and obtain the DEM raw measurement data and the DOM raw measurement data in measured zone; Said DEM raw measurement data is the digital elevation data, and said DOM raw measurement data is the digital orthoimage data.
Step 2, aerial mapping within the industry, its mapping process is following:
201, data input and Data Format Transform: said DEM raw measurement data and DOM raw measurement data are inputed to controller 2-1 through I/O interface 2-3;
Said controller 2-1 reads DEM raw measurement data and the DOM raw measurement data of being imported: when controller 2-1 can not read input DEM raw measurement data and DOM raw measurement data; Controller 2-1 calls Data Format Transform module 2-4 and respectively the data layout of DEM raw measurement data and DOM raw measurement data is changed, and the DEM raw measurement data of being imported and DOM raw measurement data are converted into the data layout that controller 2-1 can distinguish and deposit in synchronously in the dem data storehouse of being set up in the storer 2-2 and DOM database; Otherwise, directly change step 202 over to.
202,3D production; Utilize controller 2-1 that said DEM raw measurement data and DOM raw measurement data are carried out analyzing and processing; And corresponding DEM digital elevation model, DOM digital orthophoto map and the DLG digital line that makes measured zone draw map, and its manufacturing process is following:
2021, data precision detects; Through the automatic detection mode of manual detection or system said DEM raw measurement data and DOM raw measurement data are carried out quality check and assessment: at first; Through parameter input unit 1 the data precision detection mode is set at the automatic detection mode of manual detection mode or system: when adopting the manual detection mode to carry out quality check with assessment; Controller 2-1 calls data outputting module 2-6 earlier and exports said DEM raw measurement data and DOM raw measurement data to display 3 respectively and show synchronously; Whether meet each item technical indicator that photogrammetric data need possess through said DEM raw measurement data of artificial judgment and DOM raw measurement data again: when judgement draws said DEM raw measurement data and DOM raw measurement data and all meets each item technical indicator that photogrammetric data need possess; Then pass through 1 couple of controller 2-1 of parameter input unit input control order, and get into step 302; Otherwise, through 1 couple of controller 2-1 of parameter input unit input control order, said DEM raw measurement data and DOM raw measurement data are returned controller 2-1, and stop 3D production of products process;
When the automatic detection mode of employing system is carried out quality check with assessment; Controller 2-1 calls the quality inspection of 3D data and evaluation module 2-5 judges whether said DEM raw measurement data and DOM raw measurement data meet each item technical indicator that photogrammetric data need possess; And judged result is uploaded to controller 2-1 synchronously: when judgement draws said DEM raw measurement data and DOM raw measurement data and all meets each item technical indicator that photogrammetric data need possess, get into step 302; Otherwise quality inspection of 3D data and evaluation module 2-5 return said DEM raw measurement data and DOM raw measurement data to controller 2-1, and stop 3D production of products process.
2022, DEM digital elevation model and DOM digital orthophoto map are made: controller 2-1 call DOM data editing module 2-7; And conventional editing method according to the DOM data set of the dem data collection of DEM digital elevation model and DOM digital orthophoto map; Respectively said DEM raw measurement data and DOM raw measurement data are carried out editing and processing; Corresponding acquisition dem data collection and DOM data set; And dem data collection and DOM data set deposited in respectively among the dem data Ji Ku and DOM data set storehouse that is set up in the storer 2-2 synchronously, just accomplish DEM digital elevation model and DOM Making of Digital Orthophoto Map process.
In the present embodiment; Conventional editing method according to the DOM data set of the dem data collection of DEM digital elevation model; When said DEM raw measurement data is carried out editing and processing, need that said DEM raw measurement data is carried out data resampling, data splicing framing, coordinate conversion and metadata and generate processing; Conventional editing method according to the DOM data set of DOM digital orthophoto map; When said DOM raw measurement data is carried out editing and processing, need that said DOM raw measurement data is carried out data splicing framing, coordinate conversion, the even look of image, header file generation and metadata and generate processing.
2023, the DLG digital line is drawn cartography: controller 2-1 calls the DLG data module 2-8 that gathers and edits; Earlier collection of dem data described in the step 302 and DOM data set are carried out editing and processing respectively; The corresponding collection out needs to make relief data collection and the atural object data set that the DLG digital line is drawn map, and relief data collection and atural object data set are deposited in respectively among the relief data Ji Ku and atural object data set storehouse that is set up in the storer 2-2 synchronously; Again said relief data collection and atural object data set are merged; The vector data collection of basic geographic element on the I NSAR topomap described in the corresponding acquisition step 1; And said vector data collection deposited in the vector data collection storehouse of being set up in the storer 2-2 synchronously, just accomplish the manufacturing process that the DLG digital line is drawn map.
In the present embodiment, the dem data collection is carried out editing and processing, and corresponding collection the out when need making the DLG digital line and drawing the relief data collection of map, need editing and processing and generate level line and the elevation number point on the INSAR topomap in measured zone; The DOM data set is carried out editing and processing; And corresponding collection the out when needing making DLG digital line to draw the atural object data set of map, need editing and processing and generate point-like atural object data, linear ground object data, area feature data on the said INSAR topomap and the annotation key element of respectively point-like atural object, linear ground object and area feature on the said INSAR topomap being carried out mark.
Step 3, field operation are transferred and are painted and data correction: transfer the method for painting according to conventional field operation; The DLG digital line that made in the step 2023 is accomplished is drawn map and is carried out field operation and mend and survey and accent is painted; And mend to survey and transfer according to field operation and paint the result the concentrated corresponding data of vector data described in the dem data collection described in the step 2022 and DOM data set and the step 2023 is revised; And said dem data Ji Ku, DOM data set storehouse and vector data Ji Ku carried out real-time update, the revised dem data collection of corresponding acquisition, DOM data set and vector data collection.
Step 4, result's output: controller 2-1 calls and exports after drawing output module 2-9 converts revised dem data collection, DOM data set or vector data collection into graphical format; And obtain DEM digital elevation model, DOM digital orthophoto map and DLG digital line and draw map, just accomplish 3D production of products process this moment.In the present embodiment, it is that engineer's scale is that 1: 10000～1: 50000 digital line is drawn map that the DLG digital line that is obtained is drawn map.Subsequently, the 3D product of through printer 4 made being accomplished prints.
In the present embodiment; Before result's output described in the step 4; Also need pass through the automatic detection mode of manual detection or system; And draw the quality requirements of map according to conventional DEM digital elevation model, DOM digital orthophoto map and DLG digital line; Revised dem data collection, DOM data set and vector data collection described in the step 3 are carried out quality check: at first; Through parameter input unit 1 the quality control mode is set at the automatic detection mode of manual detection mode or system: when adopting the manual detection mode to carry out quality check; Controller 2-1 calls drawing output module 2-9 earlier and revised dem data collection, DOM data set or vector data collection are converted into exports display 3 to behind the graphical format and show synchronously; Whether draw map through DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the artificial judgment conversion again conforms to quality requirements: it is then to get into step 4 that the DEM digital elevation model after judgement draws conversion, DOM digital orthophoto map and DLG digital line draw that map all conforms to quality requirements; Otherwise,, stop 3D production of products process through 1 couple of controller 2-1 of parameter input unit input control order;
When the automatic detection mode of employing system is carried out quality check; Controller 2-1 calls 3D quality control module 2-10 and judges that DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the conversion draw map and whether conform to quality requirements; And judged result is uploaded to controller 2-1 synchronously: when the DEM digital elevation model after judgement draws conversion, DOM digital orthophoto map and DLG digital line are drawn map and need be conformed to quality requirements, get into step 4; Otherwise, and stop 3D production of products process.
When revised dem data collection, DOM data set and vector data collection carry out quality check described in the step 3, DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the inspection conversion are drawn map carry out plane precision inspection, vertical accuracy inspection and edge fit inspection respectively.
Below be example with the test of one about 42 square kilometres survey district; According to above-mentioned steps one to step 3 the also 3D product in this survey district of corresponding acquisition is measured in selected survey district; Simultaneously the DLG digital line in the acquisition 3D product is drawn map and carried out quality testing, it is following that it detects data:
(1) vertical accuracy detection method and precision statistics:
A, under the ARCGIS software environment, utilize existing reference mark that the spot elevation of inserting in the above-mentioned survey district is detected, its detection statistics result sees table 1:
Insert spot elevation detection statistics result under the table 1ARCGIS software environment
B, under the MicroStation software environment, the elevation that utilizes existing reference mark internally to insert detects, its detection statistics result sees table 2:
Insert elevation detection statistics result under the table 2MicroStation software environment
| Checkpoint X (E) | Checkpoint Y (N) | Z0 (checkpoint) | Z1 (interior inserting) | Dz(Z1-Z0) |
| 19360650.636 | 3816064.186 | 490.61 | 492.64 | 2.04 |
| 19360934.344 | 3815263.179 | 525.53 | 527.02 | 1.49 |
| 19362645.829 | 3815284.968 | 577.01 | 578.83 | 1.82 |
| 19362602.253 | 3815082.922 | 573.33 | 574.83 | 1.50 |
| 19362571.229 | 3814937.932 | 572.23 | 573.19 | 0.96 |
| 19361400.752 | 3814783.033 | 534.64 | 533.99 | -0.65 |
| 19360637.865 | 3814774.887 | 525.23 | 524.25 | -0.98 |
| 19362458.270 | 3814434.965 | 574.65 | 573.75 | -0.90 |
| 19362442.049 | 3814363.526 | 574.50 | 573.89 | -0.61 |
| 19362436.218 | 3814293.221 | 573.30 | 572.19 | -1.11 |
| 19362351.263 | 3814121.749 | 570.13 | 569.01 | -1.11 |
| 19362187.118 | 3814043.458 | 568.89 | 568.25 | -0.64 |
| 19360706.011 | 3814245.124 | 526.31 | 524.32 | -1.99 |
| 19360407.182 | 3814294.615 | 527.55 | 526.28 | -1.27 |
| 19360378.442 | 3813783.103 | 528.09 | 526.08 | -2.01 |
| 19362557.871 | 3814011.599 | 572.04 | 569.82 | -2.22 |
| 19362556.030 | 3813885.164 | 573.15 | 570.89 | -2.26 |
| 19362914.549 | 3813907.946 | 576.65 | 574.91 | -1.75 |
| 19361944.632 | 3813728.608 | 564.08 | 562.24 | -1.83 |
| 19362056.522 | 3813570.663 | 565.32 | 563.68 | -1.64 |
| 19362483.940 | 3813600.777 | 574.22 | 572.27 | -1.95 |
| 19361097.446 | 3813210.319 | 530.85 | 528.96 | -1.88 |
| 19361057.995 | 3813141.755 | 530.40 | 529.39 | -1.01 |
| 19361806.695 | 3813047.249 | 564.62 | 563.80 | -0.82 |
| 19362888.298 | 3815525.001 | 582.27 | 583.68 | 1.41 |
| 19363003.181 | 3815486.789 | 579.25 | 580.18 | 0.93 |
| 19362881.757 | 3815454.391 | 581.20 | 582.11 | 0.91 |
| 19362835.313 | 3815200.408 | 577.80 | 578.15 | 0.35 |
| 19363033.444 | 3815177.862 | 579.84 | 579.61 | -0.23 |
| 19362959.707 | 3814884.497 | 571.71 | 571.42 | -0.29 |
| 19362768.756 | 3814290.480 | 572.94 | 571.34 | -1.59 |
| 19362879.728 | 3813207.476 | 586.37 | 585.41 | -0.96 |
| 19362811.047 | 3813031.283 | 583.88 | 583.22 | -0.65 |
| 19363857.984 | 3815869.829 | 344.95 | 345.70 | 0.75 |
| 19365268.086 | 3816023.715 | 593.96 | 593.21 | -0.75 |
| 19365616.925 | 3816019.116 | 600.02 | 599.26 | -0.76 |
| 19365702.968 | 3815801.078 | 599.10 | 598.37 | -0.73 |
| 19365262.725 | 3815222.082 | 602.27 | 602.86 | 0.58 |
| 19366272.539 | 3815304.118 | 614.59 | 612.91 | -1.68 |
| 19366109.174 | 3815324.707 | 613.42 | 613.61 | 0.19 |
| 19366399.358 | 3815139.421 | 613.17 | 612.79 | -0.38 |
| 19366083.574 | 3815016.856 | 608.02 | 607.75 | -0.28 |
| 19365340.961 | 3814766.021 | 595.77 | 596.82 | 1.04 |
| 19365470.130 | 3814612.683 | 601.98 | 602.96 | 0.98 |
| 19365134.944 | 3814511.804 | 569.62 | 570.73 | 1.11 |
| 19365989.474 | 3814416.122 | 598.50 | 600.61 | 2.12 |
| 19366227.188 | 3814471.494 | 606.64 | 606.42 | -0.22 |
| 19366443.214 | 3813953.639 | 613.89 | 616.26 | 2.37 |
| 19365937.738 | 3813604.507 | 615.49 | 616.91 | 1.42 |
| 19366043.873 | 3813254.567 | 623.20 | 624.17 | 0.98 |
| 19365994.493 | 3813102.191 | 623.42 | 622.25 | -1.17 |
| 19366499.149 | 3815832.167 | 606.05 | 604.94 | -1.11 |
| 19366606.552 | 3815628.057 | 607.83 | 606.58 | -1.25 |
| 19366852.395 | 3815404.196 | 616.50 | 615.61 | -0.89 |
| 19367010.519 | 3815178.150 | 617.68 | 615.62 | -2.06 |
| 19367018.850 | 3815058.497 | 617.24 | 614.88 | -2.36 |
| 19366923.484 | 3814883.352 | 615.44 | 614.50 | -0.94 |
| 19367259.925 | 3814836.482 | 614.82 | 612.91 | -1.90 |
| 19367304.945 | 3814836.624 | 614.90 | 612.92 | -1.98 |
| 19367390.183 | 3814674.229 | 615.86 | 614.32 | -1.54 |
| 19366870.556 | 3814265.492 | 613.47 | 613.47 | -0.00 |
| 19367215.846 | 3814241.056 | 616.20 | 616.03 | -0.17 |
| 19366950.546 | 3814088.813 | 615.02 | 615.81 | 0.79 |
| 19367041.067 | 3814095.913 | 615.43 | 615.37 | -0.06 |
| 19367435.446 | 3814135.451 | 618.68 | 618.00 | -0.68 |
| 19367423.617 | 3813799.267 | 624.77 | 625.56 | 0.79 |
| 19367046.520 | 3813327.453 | 630.38 | 630.37 | -0.00 |
| 19366634.986 | 3812987.383 | 625.45 | 624.99 | -0.46 |
| 19360808.799 | 3811297.980 | 581.67 | 579.44 | -2.23 |
| 19360997.384 | 3811590.582 | 571.38 | 570.05 | -1.33 |
| 19361315.121 | 3811527.765 | 578.50 | 577.39 | -1.10 |
| 19361429.655 | 3811537.857 | 580.23 | 579.03 | -1.20 |
| 19361974.802 | 3811602.256 | 587.56 | 587.24 | -0.31 |
| 19362434.623 | 3811489.234 | 601.12 | 601.75 | 0.63 |
| 19362620.210 | 3811511.767 | 601.80 | 601.77 | -0.03 |
| 19363527.404 | 3811542.315 | 398.11 | 396.91 | -1.20 |
| 19364105.873 | 3811335.066 | 378.41 | 378.65 | 0.23 |
| 19364481.259 | 3811360.560 | 437.37 | 436.37 | -1.00 |
| 19365685.597 | 3811341.288 | 617.34 | 616.37 | -0.97 |
| 19365770.429 | 3811383.058 | 614.84 | 613.70 | -1.14 |
| 19365722.475 | 3810637.482 | 618.48 | 619.10 | 0.62 |
| 19366132.323 | 3811162.691 | 622.59 | 622.56 | -0.03 |
| 19366370.723 | 3810998.648 | 620.36 | 620.57 | 0.22 |
| 19367262.558 | 3810980.959 | 621.54 | 620.29 | -1.25 |
| 19363930.935 | 3812325.145 | 370.36 | 369.73 | -0.63 |
| 19363960.600 | 3812350.021 | 370.27 | 369.44 | -0.83 |
| 19363994.791 | 3812387.661 | 370.43 | 369.22 | -1.21 |
| 19364033.868 | 3812419.460 | 370.32 | 369.33 | -0.99 |
| 19364067.449 | 3812460.653 | 370.18 | 369.23 | -0.95 |
| 19364076.602 | 3812514.084 | 370.10 | 369.40 | -0.70 |
| 19364049.232 | 3812569.394 | 369.91 | 369.18 | -0.73 |
| 19364006.913 | 3812618.157 | 369.96 | 368.89 | -1.07 |
| 19363959.620 | 3812663.912 | 369.94 | 368.64 | -1.29 |
| 19363939.268 | 3812725.175 | 369.92 | 368.82 | -1.10 |
| 19363952.552 | 3812796.496 | 369.88 | 368.92 | -0.96 |
| 19363968.140 | 3812867.948 | 369.72 | 368.70 | -1.02 |
| 19364009.374 | 3812889.656 | 369.82 | 368.83 | -1.00 |
| 19364057.877 | 3812908.504 | 369.76 | 369.00 | -0.76 |
| 19364101.135 | 3812931.116 | 369.63 | 369.08 | -0.55 |
| 19363940.806 | 3812857.159 | 369.73 | 368.50 | -1.23 |
| 19363906.459 | 3812900.780 | 369.13 | 367.92 | -1.21 |
| 19363899.926 | 3812960.987 | 368.87 | 367.51 | -1.36 |
| 19363911.385 | 3813026.692 | 368.66 | 367.66 | -1.00 |
| 19363938.586 | 3813087.479 | 368.13 | 367.28 | -0.84 |
| 19363954.588 | 3813134.040 | 368.14 | 366.97 | -1.18 |
| 19363965.344 | 3813161.427 | 367.87 | 367.05 | -0.82 |
| 19363971.121 | 3813190.374 | 367.67 | 366.68 | -0.99 |
| 19363972.537 | 3813217.468 | 367.70 | 366.59 | -1.11 |
| 19363967.144 | 3813251.039 | 367.61 | 366.53 | -1.08 |
| 19363960.642 | 3813283.262 | 367.45 | 366.44 | -1.01 |
| 19363941.970 | 3813319.981 | 367.26 | 366.14 | -1.12 |
| 19363900.761 | 3813327.257 | 367.33 | 366.10 | -1.23 |
| 19363870.360 | 3813356.034 | 367.73 | 366.21 | -1.52 |
| 19363854.847 | 3813392.096 | 367.59 | 366.83 | -0.76 |
| 19363866.897 | 3813443.332 | 367.16 | 366.01 | -1.15 |
| 19363862.171 | 3813475.944 | 366.92 | 366.00 | -0.92 |
| 19363847.765 | 3813507.805 | 367.53 | 366.43 | -1.10 |
| 19363850.711 | 3813533.154 | 367.43 | 366.24 | -1.19 |
| 19363854.136 | 3813562.774 | 367.49 | 366.44 | -1.05 |
| 19363866.804 | 3813593.345 | 367.54 | 366.48 | -1.06 |
| 19363893.562 | 3813624.017 | 367.26 | 366.43 | -0.83 |
| 19363923.353 | 3813648.538 | 367.23 | 366.59 | -0.64 |
| In behind the excluding gross error | Maximum error: | Least error: |
| Error: ± 1.186 meters | 2.370 rice | 0.001 rice |
Two kinds of statistical methods of above-mentioned A and B, its statistics basically identical, wherein error is 1.182 meters.
(2) plane precision detection method and precision statistics:
The detection of plane precision is based on the MicroStationV8 platform, adopts man-machine interaction mode to carry out, and statistics is seen table 3:
Table 3
To sum up, after vertical accuracy and plane precision are detected, can find out and draw the precision of map by the DLG digital line that adopts made of the present invention to reach standard Comparative Examples chi be 1: 10000～1: 50000 hills, the accuracy requirement in area, mountain region.
Wherein, code requirement is seen table 4 and table 5:
Table 11: 10000 and 1: 50000 plane precision parameter list
Table 21: 10000 and 1: 50000 vertical accuracy parameter list
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (6)
1. method of making the 3D product based on INSAR is characterized in that this method may further comprise the steps:
Step 1, obtain the raw measurement data in measured zone: adopt airborne Interference synthetic aperture radar INSAR that the landform in measured zone is carried out remote sensing survey, and obtain the DEM raw measurement data and the DOM raw measurement data in measured zone; Said DEM raw measurement data is the digital elevation data, and said DOM raw measurement data is the digital orthoimage data;
Step 2, aerial mapping within the industry, its mapping process is following:
201, data input and Data Format Transform: said DEM raw measurement data and DOM raw measurement data are inputed to controller (2-1) through I/O interface (2-3);
Controller (2-1) reads DEM raw measurement data and the DOM raw measurement data of being imported: when controller (2-1) can not read input DEM raw measurement data and DOM raw measurement data; Controller (2-1) calls Data Format Transform module (2-4) and respectively the data layout of DEM raw measurement data and DOM raw measurement data is changed, and the DEM raw measurement data of being imported and DOM raw measurement data are converted into the data layout that controller (2-1) can distinguish and deposit in synchronously in the dem data storehouse of being set up in the storer (2-2) and DOM database; Otherwise, directly change step 202 over to;
202,3D production; Utilize controller (2-1) that said DEM raw measurement data and DOM raw measurement data are carried out analyzing and processing; And corresponding DEM digital elevation model, DOM digital orthophoto map and the DLG digital line that makes measured zone draw map, and its manufacturing process is following:
2021, data precision detects; Through the automatic detection mode of manual detection or system said DEM raw measurement data and DOM raw measurement data are carried out quality check and assessment: at first; Through parameter input unit (1) the data precision detection mode is set at the automatic detection mode of manual detection mode or system: when adopting the manual detection mode to carry out quality check with assessment; Controller (2-1) calls data outputting module (2-6) earlier and exports said DEM raw measurement data and DOM raw measurement data to display (3) respectively and show synchronously; Whether meet each item technical indicator that photogrammetric data need possess through said DEM raw measurement data of artificial judgment and DOM raw measurement data again: when judgement draws said DEM raw measurement data and DOM raw measurement data and all meets each item technical indicator that photogrammetric data need possess; Then pass through parameter input unit (1) to controller (2-1) input control order, and get into step 2022; Otherwise, to controller (2-1) input control order, said DEM raw measurement data and DOM raw measurement data are returned controller (2-1) through parameter input unit (1), and stop 3D production of products process;
When the automatic detection mode of employing system is carried out quality check with assessment; Controller (2-1) calls the quality inspection of 3D data and evaluation module (2-5) judges whether said DEM raw measurement data and DOM raw measurement data meet each item technical indicator that photogrammetric data need possess; And judged result is uploaded to controller (2-1) synchronously: when judgement draws said DEM raw measurement data and DOM raw measurement data and all meets each item technical indicator that photogrammetric data need possess, get into step 2022; Otherwise quality inspection of 3D data and evaluation module (2-5) return said DEM raw measurement data and DOM raw measurement data to controller (2-1), and stop 3D production of products process;
2022, DEM digital elevation model and DOM digital orthophoto map are made: controller (2-1) call DOM data editing module (2-7); And conventional editing method according to the DOM data set of the dem data collection of DEM digital elevation model and DOM digital orthophoto map; Respectively said DEM raw measurement data and DOM raw measurement data are carried out editing and processing; Corresponding acquisition dem data collection and DOM data set; And dem data collection and DOM data set deposited in respectively among the dem data Ji Ku and DOM data set storehouse that is set up in the storer (2-2) synchronously, just accomplish DEM digital elevation model and DOM Making of Digital Orthophoto Map process;
2023, the DLG digital line is drawn cartography: controller (2-1) calls the DLG data module (2-8) of gathering and editing; Earlier collection of dem data described in the step 2022 and DOM data set are carried out editing and processing respectively; The corresponding collection out needs to make relief data collection and the atural object data set that the DLG digital line is drawn map, and relief data collection and atural object data set are deposited in respectively among the relief data Ji Ku and atural object data set storehouse that is set up in the storer (2-2) synchronously; Again said relief data collection and atural object data set are merged; The vector data collection of basic geographic element on the INSAR topomap described in the corresponding acquisition step 1; And said vector data collection deposited in the vector data collection storehouse of being set up in the storer (2-2) synchronously, just accomplish the manufacturing process that the DLG digital line is drawn map;
Step 3, field operation are transferred and are painted and data correction: transfer the method for painting according to conventional field operation; The DLG digital line that made in the step 2023 is accomplished is drawn map and is carried out field operation and mend and survey and accent is painted; And mend to survey and transfer according to field operation and paint the result the concentrated corresponding data of vector data described in the dem data collection described in the step 2022 and DOM data set and the step 2023 is revised; And said dem data Ji Ku, DOM data set storehouse and vector data Ji Ku carried out real-time update, the revised dem data collection of corresponding acquisition, DOM data set and vector data collection;
Step 4, result's output: controller (2-1) calls to be exported after drawing output module (2-9) converts revised dem data collection, DOM data set or vector data collection into graphical format; And obtain DEM digital elevation model, DOM digital orthophoto map and DLG digital line and draw map, just accomplish 3D production of products process this moment.
2. according to the described a kind of method of making the 3D product based on INSAR of claim 1; It is characterized in that: before the result's output described in the step 4; Also need pass through the automatic detection mode of manual detection or system; And draw the quality requirements of map according to conventional DEM digital elevation model, DOM digital orthophoto map and DLG digital line; Revised dem data collection, DOM data set and vector data collection described in the step 3 are carried out quality check: at first; Through parameter input unit (1) the quality control mode is set at the automatic detection mode of manual detection mode or system: when adopting the manual detection mode to carry out quality check; Controller (2-1) calls drawing output module (2-9) earlier and revised dem data collection, DOM data set or vector data collection are converted into exports display (3) to behind the graphical format and show synchronously; Whether draw map through DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the artificial judgment conversion again conforms to quality requirements: it is then to get into step 4 that the DEM digital elevation model after judgement draws conversion, DOM digital orthophoto map and DLG digital line draw that map all conforms to quality requirements; Otherwise, to controller (2-1) input control order, stop 3D production of products process through parameter input unit (1);
When the automatic detection mode of employing system is carried out quality check; Controller (2-1) calls 3D quality control module (2-10) and judges that DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the conversion draw map and whether conform to quality requirements; And judged result is uploaded to controller (2-1) synchronously: when the DEM digital elevation model after judgement draws conversion, DOM digital orthophoto map and DLG digital line are drawn map and need be conformed to quality requirements, get into step 4; Otherwise, and stop 3D production of products process.
3. according to the described a kind of method of making the 3D product based on INSAR of claim 2; It is characterized in that: when revised dem data collection, DOM data set and vector data collection carry out quality check described in the step 3, DEM digital elevation model, DOM digital orthophoto map and DLG digital line after the inspection conversion are drawn map carry out plane precision inspection, vertical accuracy inspection and edge fit inspection respectively.
4. according to claim 2 or 3 described a kind of methods of making the 3D product based on INSAR; It is characterized in that: described in the step 2022 according to the conventional editing method of the DOM data set of the dem data collection of DEM digital elevation model; When said DEM raw measurement data is carried out editing and processing, need that said DEM raw measurement data is carried out data resampling, data splicing framing, coordinate conversion and metadata and generate processing; Conventional editing method according to the DOM data set of DOM digital orthophoto map; When said DOM raw measurement data is carried out editing and processing, need that said DOM raw measurement data is carried out data splicing framing, coordinate conversion, the even look of image, header file generation and metadata and generate processing.
5. according to claim 2 or 3 described a kind of methods of making the 3D product based on INSAR; It is characterized in that: described in the step 2023 the dem data collection is carried out editing and processing; And corresponding collection the out when need making the DLG digital line and drawing the relief data collection of map, need editing and processing and generate level line and the elevation number point on the INSAR topomap in measured zone; The DOM data set is carried out editing and processing; And corresponding collection the out when needing making DLG digital line to draw the atural object data set of map, need editing and processing and generate point-like atural object data, linear ground object data, area feature data on the said INSAR topomap and the annotation key element of respectively point-like atural object, linear ground object and area feature on the said INSAR topomap being carried out mark.
6. according to claim 2 or 3 described a kind of methods of making the 3D product based on INSAR, it is characterized in that: it is that engineer's scale is that 1: 10000～1: 50000 digital line is drawn map that the DLG digital line that is obtained in the step 4 is drawn map.
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| CN107449404B (en) * | 2017-09-12 | 2019-12-06 | 中煤航测遥感集团有限公司 | DLG data acquisition method and device |
| CN107705362A (en) * | 2017-10-11 | 2018-02-16 | 中煤航测遥感集团有限公司 | DEM accuracy checking methods and device |
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| CN107729308B (en) * | 2017-11-03 | 2020-12-22 | 中煤航测遥感集团有限公司 | Large-scale DLG quality inspection statistical method and device |
| CN110489511B (en) * | 2019-08-23 | 2021-07-30 | 西南大学 | Contour line edge-contact elevation error correction method and system, electronic device and medium |
| CN112683242A (en) * | 2020-11-03 | 2021-04-20 | 陕西誉泽工程咨询有限公司 | Unmanned aerial vehicle close-range photographic mapping system for large-scale topographic map in complex area |
| CN113724386A (en) * | 2021-08-05 | 2021-11-30 | 甘肃科诺影视科技有限责任公司 | Method for making three-dimensional map |
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| CN101777189A (en) * | 2009-12-30 | 2010-07-14 | 武汉大学 | Method for measuring image and inspecting quantity under light detection and ranging (LiDAR) three-dimensional environment |
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