CN202794518U - Accuracy detecting system of 3-dimensional (3D) product produced based on onboard interferometric synthetic aperture radar (INSAR) - Google Patents
Accuracy detecting system of 3-dimensional (3D) product produced based on onboard interferometric synthetic aperture radar (INSAR) Download PDFInfo
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- CN202794518U CN202794518U CN 201220428903 CN201220428903U CN202794518U CN 202794518 U CN202794518 U CN 202794518U CN 201220428903 CN201220428903 CN 201220428903 CN 201220428903 U CN201220428903 U CN 201220428903U CN 202794518 U CN202794518 U CN 202794518U
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Abstract
The utility model discloses an accuracy detecting system of a 3-dimensional (3D) product produced based on an onboard interferometric synthetic aperture radar (INSAR). The system comprises a parameter inputting unit used for inputting tolerance, an actual measurement data transmitting device used for inputting three-dimensional space coordinate data of a plurality of actual measurement points actually measured outdoors, a detection data transmitting device used for inputting the 3D product to be detected and a data processor used for analyzing and processing data input by the actual measurement data transmitting device and the detection data transmitting device and correspondingly acquiring height errors of a plurality of detection points in the 3D product and corresponding to the plurality of actual measurement points and plane position errors. The 3D product comprises a digital line graphic (DLG), a digital evaluation model (DEM) and a digital orthophoto map (DOM) which are produced by an onboard interferometric synthetic aperture radar system. The accuracy detecting system is reasonable in design, simple and convenient to use and operate, good in using effect, high in detection speed and high in detection accuracy due to the fact that height error detection and plane position error detection are integrated.
Description
Technical field
The utility model belongs to the radar interference field of measuring technique, especially relates to a kind of precision detection system of producing the 3D product based on airborne INSAR.
Background technology
INSAR(Interferometric Synthetic Aperture Radar; Be called for short: the interferometer radar measurement) technology comes from the U.S., is constantly improved and maturation in European and American developed countries, and its application is also constantly promoted.In recent years, resolution is obtained up to 0.5 meter on-board SAR image is sustainable, for the application and development of SAR provides larger ground development space, widespread use in the every field of national economic development.Simultaneously, because airborne Interference synthetic aperture radar (INSAR) has the incomparable advantage of traditional optical imaging system, it not only can round-the-clock, the work of all-weather ground, and the interference SAR that is combined into of interference technique and synthetic aperture technique, extract the three-dimensional information of landform as information source take the phase information of SAR complex data extraction, can obtain the measurement of higher degree precision of wavelength magnitude, the measurement of higher degree precision that has overcome radar stereoplotting technology is subject to the shortcoming of the range resolution of radar system, thereby with synthetic-aperture radar (Synthetic Aperture Radar, abbreviation SAR) two-dimensional measurement is extended to three dimensions, on the basis of the high resolution 2 d topomap of SAR, realized the high-acruracy survey of landform altitude.Therefore, can directly obtain the elevation information of landform, generate fast topographical surface model (DSM), digital elevation model (DEM), digital orthophoto map (DOM) and digital line are drawn map (DLG), digital elevation model (DEM) wherein, digital orthophoto map (DOM) and digital line are drawn map (DLG) and are generically and collectively referred to as the 3D product, efficiently solve long-term puzzlement west area mapping, cloudy, the area of heavy rainfull mapping, the border area mapping, and national Important Project and the application demand such as National Nature calamity emergency response, remedy the deficiency that photogrammetric measurement is subjected to weather effect, it becomes the technical way that China obtains geo-information product gradually.
Meanwhile, objectively also require a kind of fast and effeciently detection system, it can not only carry out fast to the topographical surface model (DSM) that airborne INSAR obtains the vertical accuracy detection, and then effectively guarantees the vertical accuracy that digital elevation model (DEM) and digital line are drawn map (DLG); Simultaneously, can also carry out fast the planimetric position accuracy detection to the digital orthophoto map (DOM) that airborne INSAR obtains, and then guarantee that effectively digital line draws the plane precision of map (DLG).
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of precision detection system of producing the 3D product based on airborne INSAR is provided, it is reasonable in design, use is easy and simple to handle and result of use good, the collection vertical error detects with Horizontal position errors and is detected on one, and detection speed is fast and accuracy of detection is high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of precision detection system of producing the 3D product based on airborne INSAR, it is characterized in that: comprise for the poor parameter input unit of input limit, the measured data transmitting device of three dimensional space coordinate data that is used for a plurality of eyeballs of input outfield actual measurement, be used for the detected 3D product of input the detection data transmission device and by to the measured data transmitting device and detect that data analysis that data transmission device is inputted is processed and the corresponding vertical error that draws the described 3D product a plurality of check points corresponding with a plurality of described eyeballs and planimetric position in the data processor of error, described data processor and the data storage cell that measured data transmitting device and detection data that data transmission device is inputted are carried out stores synchronized joined; Described 3D product comprises that the DLG digital line draws map, DEM digital elevation model and DOM digital orthophoto map; Described parameter input unit, measured data transmitting device and detection data transmission device all join with described data processor.
The above-mentioned precision detection system of producing the 3D product based on airborne INSAR, it is characterized in that: also comprise error shows in real time in the vertical error of a plurality of described check points that data processor analyzing and processing is drawn and the planimetric position elevation and plane error display unit, described elevation joins with plane error display unit and data processor.
The above-mentioned precision detection system of producing the 3D product based on airborne INSAR is characterized in that: described measured data transmitting device and detection data transmission device are the usb data interface.
Above-mentioned precision detection system based on airborne INSAR production 3D product, it is characterized in that: described elevation and plane error display unit are LCDs.
Above-mentioned precision detection system based on airborne INSAR production 3D product, it is characterized in that: described parameter input unit is keyboard.
The above-mentioned precision detection system of producing the 3D product based on airborne INSAR is characterized in that: described parameter input unit, data processor and elevation and plane error display unit form a complete PC.
Above-mentioned precision detection system based on airborne INSAR production 3D product, it is characterized in that: also comprise the printer of being controlled by data processor, described printer and data processor join.
The utility model compared with prior art has the following advantages:
1, circuit design rationally, use is easy and simple to handle and input cost is low.
2, the collection vertical error detects with Horizontal position errors and is detected on one, adapt to the DSM topographical surface model data of the INSAR system quick obtaining area in hardship and the speed requirement of DOM digital orthophoto map, and the energy Effective Raise improves the quality testing speed of DSM topographical surface model data and DOM digital orthophoto map data.
3, error-detecting speed is fast and accuracy of detection is high, can effectively solve practical problems, the elevation detection accuracy of Effective Raise DSM topographical surface model data and the plane detection accuracy of DOM digital orthophoto map data such as manual detection efficiency is low, interpolation precision out of true.
4, practical value is high, can realize effectively that vertical accuracy multi-platform, the several data form detects and plane precision detects, and gives full play to the effect that the INSAR system obtains DSM topographical surface model and DOM digital orthophoto map.During actual the use, the utility model can not only carry out fast to the DSM topographical surface model that airborne INSAR obtains vertical accuracy and detect, and then guarantees that effectively DEM digital elevation model and DLG digital line draw the vertical accuracy of map and detect; Simultaneously, can also carry out fast the planimetric position accuracy detection to the DOM digital orthophoto map that airborne INSAR obtains, and then guarantee that effectively the DLG digital line draws the plane precision of map.
In sum, the utility model is reasonable in design, use is easy and simple to handle and result of use good, and the collection vertical error detects with Horizontal position errors and is detected on one, and detection speed is fast and accuracy of detection is high.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-parameter input unit; 2-measured data transmitting device;
3-detection data transmission device; 4-data storage cell; 5-data processor;
6-elevation and plane error display unit; 7-printer.
Embodiment
As shown in Figure 1, the utility model comprises for the poor parameter input unit 1 of input limit, the measured data transmitting device 2 of three dimensional space coordinate data that is used for a plurality of eyeballs of input outfield actual measurement, be used for the detected 3D product of input detection data transmission device 3 and by to measured data transmitting device 2 and detect that data transmission device 3 data analysis of input is processed and the corresponding vertical error that draws the described 3D product a plurality of check points corresponding with a plurality of described eyeballs and planimetric position in the data processor 5 of error, described the data processor 5 and data storage cell 4 that measured data transmitting device 2 and detection data transmission device 3 data of inputting are carried out stores synchronized joined.Described 3D product comprises that the DLG digital line that the airborne Interference synthetic aperture radar system produces draws map, DEM digital elevation model and DOM digital orthophoto map.Described parameter input unit 1, measured data transmitting device 2 and detection data transmission device 3 all join with described data processor 5.
In the present embodiment, the utility model also comprises elevation and the plane error display unit 6 that error shows in real time in the vertical error of a plurality of described check points that data processor 5 analyzing and processing are drawn and the planimetric position, and described elevation joins with plane error display unit 6 and data processor 5.
In the present embodiment, described measured data transmitting device 2 and detection data transmission device 3 are the usb data interface.During actual the use, described measured data transmitting device 2 and detection data transmission device 3 also can adopt the data transmission interface of other type.
For easy for operation, described elevation and plane error display unit 6 are LCDs.
In the present embodiment, described parameter input unit 1 is keyboard.
Simultaneously, the utility model also comprises the printer 7 of being controlled by data processor 5, and described printer 7 joins with data processor 5.In the present embodiment, described parameter input unit 1, data processor 5 and elevation and plane error display unit 6 form a complete PC.
During actual the use, it is poor to limit by parameter input unit 1 input first, and inputs simultaneously the landform of surveying the district by parameter input unit 1.The information such as preset scale; The three dimensional space coordinate data of a plurality of eyeballs that secondly, draw by measured data transmitting device 2 input fieldworks again; Afterwards, by detecting the detected 3D product of data transmission device 3 inputs (the DLG digital line in this survey district that produces comprising the airborne Interference synthetic aperture radar system is drawn map, DEM digital elevation model and DOM digital orthophoto map, and its production method is 201010287251.4 Patent Application Publication file with reference to application number); Then, draw error in the vertical error of a plurality of check points corresponding with a plurality of described eyeballs in the described 3D product and the planimetric position by data processor 5 analyzing and processing.
Adopt the vertical error (namely surveying the poor of height value and interpolation height value) of a plurality of check points corresponding with a plurality of described eyeballs in 5 pairs of described 3D products of data processor when carrying out analyzing and processing, draw map by detecting data transmission device 3 input DEM digital elevation models and DLG digital line, and according to formula
Actual measurement height value and interpolation height value are carried out relatively poor calculating, H in the formula (1)
iBe the actual measurement elevation of check point, h
iBe the interpolated point elevation, n is elevation check point number.Wherein, interpolated point elevation h
iAccording to formula
Calculate, in the formula (2)
z
pFor the interpolated point elevation is h
i, z
iElevation for sampled point; M is contiguous sampled point number, p
iBe the distance power of sampled point, d
iBe the distance between interpolated point and the sampled point.After described data processor 5 counts vertical error, corresponding formation elevation examining report.
When error is carried out analyzing and processing in the planimetric position of a plurality of check points corresponding with a plurality of described eyeballs in 5 pairs of described 3D products of employing data processor, draw map by detecting data transmission device 3 input DOM digital orthophoto maps and DLG digital line, and according to formula
And formula
Calculate error in the plane of each check point, in formula (3) and (4), M
xBe the middle error of coordinate X, M
yBe the middle error of coordinate Y, X
iBe the detected value of coordinate X, x
iBe the former measured value of coordinate X, Y
iBe the detected value of coordinate Y, y
iBe the former measured value of coordinate Y, n is the check point number; Simultaneously, according to formula
Calculate the square error of space of each check point, Δ S in the formula (5)
iFor being adjacent to the object point actual measurement length of side and to detect in the data length of side of the same name relatively poor, m is for detecting edge strip number (or number of point target, linear target).Described data processor 5 counts in the plane after the error and the square error of space, the quality testing of corresponding formation plane error report.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (7)
1. precision detection system of producing the 3D product based on airborne INSAR, it is characterized in that: comprise for the poor parameter input unit (1) of input limit, the measured data transmitting device (2) of three dimensional space coordinate data that is used for a plurality of eyeballs of input outfield actual measurement, be used for the detection data transmission device (3) of the detected 3D product of input and by to measured data transmitting device (2) with detect the also data processor (5) of error in the corresponding vertical error that draws described 3D product a plurality of check points corresponding with a plurality of described eyeballs and the planimetric position of data transmission device (3) the institute data analysis of input processing, described data processor (5) and the data storage cell (4) that measured data transmitting device (2) and detection data transmission device (3) data of inputting are carried out stores synchronized joined; Described 3D product comprises that the DLG digital line draws map, DEM digital elevation model and DOM digital orthophoto map; Described parameter input unit (1), measured data transmitting device (2) and detection data transmission device (3) all join with described data processor (5).
2. according to the precision detection system of producing the 3D product based on airborne INSAR claimed in claim 1, it is characterized in that: also comprise error shows in real time in the vertical error of a plurality of described check points that data processor (5) analyzing and processing is drawn and the planimetric position elevation and plane error display unit (6), described elevation and plane error display unit (6) join with data processor (5).
3. according to claim 1 or the 2 described precision detection systems of producing the 3D product based on airborne INSAR, it is characterized in that: described measured data transmitting device (2) and detection data transmission device (3) are the usb data interface.
4. according to claim 1 or the 2 described precision detection systems of producing the 3D product based on airborne INSAR, it is characterized in that: described elevation and plane error display unit (6) are LCDs.
5. according to claim 1 or the 2 described precision detection systems of producing the 3D product based on airborne INSAR, it is characterized in that: described parameter input unit (1) is keyboard.
6. according to claim 1 or the 2 described precision detection systems of producing the 3D product based on airborne INSAR, it is characterized in that: described parameter input unit (1), data processor (5) and elevation and plane error display unit (6) form a complete PC.
7. according to claim 1 or the 2 described precision detection systems of producing the 3D product based on airborne INSAR, it is characterized in that: also comprise the printer (7) of being controlled by data processor (5), described printer (7) joins with data processor (5).
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| CN 201220428903 CN202794518U (en) | 2012-08-27 | 2012-08-27 | Accuracy detecting system of 3-dimensional (3D) product produced based on onboard interferometric synthetic aperture radar (INSAR) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868503A (en) * | 2014-03-26 | 2014-06-18 | 西安煤航信息产业有限公司 | Water area elevation processing method for making DEM (Dynamic Effect Model) based on INSAR (Interferometric Synthetic Aperture Radar) |
| CN106871864A (en) * | 2017-02-13 | 2017-06-20 | 中科宇图科技股份有限公司 | A kind of method that depth of building is automatically extracted based on three-dimensional satellite image |
| CN107784446A (en) * | 2017-11-01 | 2018-03-09 | 中煤航测遥感集团有限公司 | Meet the DEM production method for normalizing and device of DOM required precisions |
| CN111709432A (en) * | 2020-06-19 | 2020-09-25 | 天津市滨海新区水务局 | InSAR ground point extraction method, device, server and storage medium in complex urban environment |
-
2012
- 2012-08-27 CN CN 201220428903 patent/CN202794518U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868503A (en) * | 2014-03-26 | 2014-06-18 | 西安煤航信息产业有限公司 | Water area elevation processing method for making DEM (Dynamic Effect Model) based on INSAR (Interferometric Synthetic Aperture Radar) |
| CN103868503B (en) * | 2014-03-26 | 2016-02-10 | 西安煤航信息产业有限公司 | A kind of waters altitude treatment method making DEM based on INSAR |
| CN106871864A (en) * | 2017-02-13 | 2017-06-20 | 中科宇图科技股份有限公司 | A kind of method that depth of building is automatically extracted based on three-dimensional satellite image |
| CN107784446A (en) * | 2017-11-01 | 2018-03-09 | 中煤航测遥感集团有限公司 | Meet the DEM production method for normalizing and device of DOM required precisions |
| CN111709432A (en) * | 2020-06-19 | 2020-09-25 | 天津市滨海新区水务局 | InSAR ground point extraction method, device, server and storage medium in complex urban environment |
| CN111709432B (en) * | 2020-06-19 | 2023-04-25 | 天津市滨海新区水务局 | InSAR ground point extraction method, device, server and storage medium in complex urban environment |
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