CN107907116A - One kind plans accurate Urban Planning System - Google Patents
One kind plans accurate Urban Planning System Download PDFInfo
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- CN107907116A CN107907116A CN201711287618.0A CN201711287618A CN107907116A CN 107907116 A CN107907116 A CN 107907116A CN 201711287618 A CN201711287618 A CN 201711287618A CN 107907116 A CN107907116 A CN 107907116A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
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Abstract
The present invention provides one kind to plan accurate Urban Planning System, including vehicle-mounted mobile measuring system, MIM message input module, three-dimensional modeling module and planning module, the vehicle-mounted mobile measuring system is used to obtain city survey information, described information input module for inputting the city survey information, the three-dimensional modeling module is used to establish city threedimensional model according to city survey information, and the planning module is used to plan city according to city threedimensional model；The vehicle-mounted mobile measuring system includes data acquisition module, data processing module and precision evaluation module, the data acquisition module is used for sensor gathered data, the data processing module is used to handle the data of collection, and the precision evaluation module is used to evaluate the measurement accuracy of traverse measurement system according to data processed result.Beneficial effects of the present invention are：The mapping information in city is obtained by vehicle-mounted mobile measuring system, realizes the accurate planning in city.
Description
Technical field
The present invention relates to urban planning technical field, and in particular to one kind plans accurate Urban Planning System.
Background technology
With the process and social progress of urbanization, urban planning plays more and more important work in urban construction
With conventional urban planning can not meet the requirement of rapid urban.
Vehicle-mounted mobile measuring system as a kind of high-new mapping geography information instrument and equipment, due to its is convenient, high-precision,
High efficiency and high benefit, have become one of major technique equipment of informational geomatics.Recently as digital city, wisdom
The continuous propulsions of the related works such as city, and field scholars are continually striving to, and the development of its technology reaches its maturity.
In practical engineering application, the measurement accuracy of system is most important factor all the time, and the synthesis precision of system determines
The application field and application range of vehicle-mounted mobile measuring system.With the fast development of sensor technology, different configuration of car
Carry traverse measurement system to come out one after another, different configuration of system is different, its nominal performance indicator is also not quite similar.How to evaluate
The measurement accuracy of system is particularly important.
The content of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of plan accurate Urban Planning System.
The purpose of the present invention is realized using following technical scheme：
Provide a kind of accurate Urban Planning System of planning, including vehicle-mounted mobile measuring system, MIM message input module, three
Modeling module and planning module are tieed up, the vehicle-mounted mobile measuring system is used to obtain city survey information, described information input mould
Block is used to input the city survey information, and the three-dimensional modeling module is used to establish city three-dimensional according to city survey information
Model, the planning module are used to plan city according to city threedimensional model；The vehicle-mounted mobile measuring system includes
Data acquisition module, data processing module and precision evaluation module, the data acquisition module are used for sensor gathered data, institute
State data processing module to be used to handle the data of collection, the precision evaluation module is used for according to data processed result pair
The measurement accuracy of traverse measurement system is evaluated.
Beneficial effects of the present invention are：The mapping information in city is obtained by vehicle-mounted mobile measuring system, realizes city
Accurate planning.
Brief description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structure diagram of the present invention；
Reference numeral：
Vehicle-mounted mobile measuring system 1, MIM message input module 2, three-dimensional modeling module 3, planning module 4.
Embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, one kind of the present embodiment plans accurate Urban Planning System, including vehicle-mounted mobile measuring system 1, letter
Input module 2, three-dimensional modeling module 3 and planning module 4 are ceased, the vehicle-mounted mobile measuring system 1 is used to obtain city survey letter
Breath, described information input module 2 are used to input the city survey information, and the three-dimensional modeling module 3 is used for according to city
Metrical information establishes city threedimensional model, and the planning module 4 is used to plan city according to city threedimensional model；It is described
Vehicle-mounted mobile measuring system 1 includes data acquisition module, data processing module and precision evaluation module, the data acquisition module
For sensor gathered data, the data processing module is used to handle the data of collection, the precision evaluation module
For being evaluated according to data processed result the measurement accuracy of traverse measurement system.
The present embodiment obtains the mapping information in city by vehicle-mounted mobile measuring system 1, realizes the accurate planning in city.
Preferably, the data acquisition module includes navigational satellite receiver, inertia measurement instrument, laser scanner and numeral
Camera, the navigational satellite receiver and inertia measurement instrument are used for position and the attitude data for obtaining vehicle-mounted mobile measuring system 1,
The laser scanner and digital camera are used to obtain target geometry and target image data.
This preferred embodiment realizes the accurate measurement of vehicle-mounted mobile measuring system.
Preferably, the data processing module includes the first pretreatment unit, the second pretreatment unit, track determination unit
With a cloud generation unit, first pretreatment unit is used to determine navigational satellite receiver and inertia measurement instrument gathered data
Error, second pretreatment unit is used for the error for eliminating navigational satellite receiver and inertia measurement instrument gathered data, described
Track determination unit is used for the traveling according to satellite receiver data and inertia measurement instrument data acquisition vehicle-mounted mobile measuring system 1
Track, described cloud generation unit are used to generate target three-dimensional according to driving trace, target geometry and target image data
Cloud data, completes measurement.
This preferred embodiment data processing module eliminates the mistake of gathered data by handling the data of collection
Difference, improves measurement accuracy.
Preferably, first pretreatment unit includes the first data prediction subelement and the second data prediction is single
Member, the first data prediction subelement are used for the data error for determining navigational satellite receiver collection, second data
Pretreatment subelement is used for the data error for determining the collection of inertia measurement instrument；
The first data prediction subelement is used for the data error for determining navigational satellite receiver collection, is specially：
The data error of navigational satellite receiver collection is represented using the first error factor, first error factor is true using following formula
It is fixed：
In formula, E1Represent the first error factor, E11Represent the error that ionosphere delay is brought, E12Represent tropospheric delay band
The error come, E13Represent the error that multipath effect is brought；
The second data prediction subelement is used for the data error for determining the collection of inertia measurement instrument, is specially：Using
Second error factor represents the data error of inertia measurement instrument collection, and second error factor is determined using following formula：
In formula, E2Represent the second error factor, E21Represent initial position error, E22Represent the trueness error of accelerometer,
E23Represent the trueness error of gyroscope.
This preferred embodiment determines that navigational satellite receiver and inertia measurement instrument gather by the first pretreatment subelement
The error of data, specifically, the first data prediction subelement has taken into full account each source of navigational satellite receiver error,
And represented using the first error factor, the second data prediction subelement has taken into full account each next of inertia measurement instrument error
Source, and represented using the second error factor, it ensure that the accuracy of follow-up data processing and measurement.
Preferably, the precision evaluation module includes the first precision evaluation unit, the second precision evaluation unit and comprehensive essence
Evaluation unit is spent, the first precision evaluation unit is used for the first evaluation of estimate for obtaining 1 measurement accuracy of vehicle-mounted mobile measuring system,
The second precision evaluation unit is used for the second evaluation of estimate for obtaining 1 measurement accuracy of vehicle-mounted mobile measuring system, the comprehensive essence
The synthesis that degree evaluation unit is used to calculate 1 measurement accuracy of vehicle-mounted mobile measuring system according to the first evaluation of estimate and the second evaluation of estimate is commented
Value.
The first precision evaluation unit is used for the first evaluation of estimate for obtaining 1 measurement accuracy of vehicle-mounted mobile measuring system, tool
Body is：The three-dimensional coordinate of characteristic point in three-dimensional point cloud is chosen, the first evaluation of estimate is determined using following formula：
In formula, D1Represent the first evaluation of estimate, n represents the number for the characteristic point chosen, (xci,yci,hci) represent i-th of spy
Levy the measuring coordinate of point, (xzi,yzi,hzi) represent ith feature point true coordinate；
The second precision evaluation unit is used for the second evaluation of estimate for obtaining 1 measurement accuracy of vehicle-mounted mobile measuring system, tool
Body is：A characteristic point is chosen, characteristic point is taken multiple measurements, the three-dimensional coordinate that characteristic point measures every time is obtained, under
Formula determines the second evaluation of estimate：
In formula, D2Represent the second evaluation of estimate, m represents the number of measurement, (xj,yj,hj) represent characteristic point jth time measurement
Measuring coordinate；
The synthesis precision evaluation unit is used to calculate vehicle-mounted mobile measurement system according to the first evaluation of estimate and the second evaluation of estimate
The comprehensive evaluation value for 1 measurement accuracy of uniting, is calculated using following formula：
In formula, D represents comprehensive evaluation value；Comprehensive evaluation value is smaller, represents that measurement is more accurate.
This preferred embodiment realizes the accurate of 1 measurement accuracy of vehicle-mounted mobile measuring system by precision evaluation module and comments
Valency, specifically, the first evaluation of estimate measures the absolute precision of measurement, the second evaluation of estimate carries out the stability of measurement
Measurement, comprehensive evaluation value are calculated using the first evaluation of estimate and the second evaluation of estimate, realize the overall merit of measurement accuracy, from
And it ensure that the accuracy of urban planning.
Plan that accurate Urban Planning System plans city using the present invention, choose 5 cities and tested, point
Not Wei city 1, city 2, city 3, city 4, city 5, urban planning efficiency and urban planning accuracy are counted, co-occurrence
There is Urban Planning System to compare, generation is had the beneficial effect that shown in table：
| Urban planning efficiency improves | Urban planning accuracy improves | |
| City 1 | 29% | 27% |
| City 2 | 27% | 26% |
| City 3 | 26% | 26% |
| City 4 | 25% | 24% |
| City 5 | 24% | 22% |
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, can be to technical scheme technical scheme is modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (7)
1. one kind plans accurate Urban Planning System, it is characterised in that including vehicle-mounted mobile measuring system, information input mould
Block, three-dimensional modeling module and planning module, the vehicle-mounted mobile measuring system are defeated for obtaining city survey information, described information
Enter module to be used to input the city survey information, the three-dimensional modeling module is used to establish city according to city survey information
Threedimensional model, the planning module are used to plan city according to city threedimensional model；The vehicle-mounted mobile measuring system
Including data acquisition module, data processing module and precision evaluation module, the data acquisition module is used for sensor collection number
According to the data processing module is used to handle the data of collection, and the precision evaluation module is used for according to data processing
As a result the measurement accuracy of traverse measurement system is evaluated.
2. the accurate Urban Planning System of planning according to claim 1, it is characterised in that the data acquisition module bag
Include navigational satellite receiver, inertia measurement instrument, laser scanner and digital camera, the navigational satellite receiver and inertia measurement
Instrument is used for position and the attitude data for obtaining vehicle-mounted mobile measuring system, and the laser scanner and digital camera are used to obtain mesh
Mark geometry and target image data.
3. the accurate Urban Planning System of planning according to claim 2, it is characterised in that the data processing module bag
Include the first pretreatment unit, the second pretreatment unit, track determination unit and point cloud generation unit, first pretreatment unit
For determining the error of navigational satellite receiver and inertia measurement instrument gathered data, second pretreatment unit is led for elimination
The error of satellite receiver of navigating and inertia measurement instrument gathered data, the track determination unit are used for according to satellite receiver data
With the driving trace of inertia measurement instrument data acquisition vehicle-mounted mobile measuring system, described cloud generation unit is used for according to traveling rail
Mark, target geometry and target image data generation target three dimensional point cloud, complete measurement.
4. the accurate Urban Planning System of planning according to claim 3, it is characterised in that first pretreatment unit
Including the first data prediction subelement and the second data prediction subelement, the first data prediction subelement is used for true
Determine the data error of navigational satellite receiver collection, the second data prediction subelement is used to determine that inertia measurement instrument gathers
Data error.
5. the accurate Urban Planning System of planning according to claim 4, it is characterised in that first data prediction
Subelement is used for the data error for determining navigational satellite receiver collection, is specially：Represent that navigation is defended using the first error factor
The data error of star receiver collection, first error factor are determined using following formula：
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In formula, E1Represent the first error factor, E11Represent the error that ionosphere delay is brought, E12Represent what tropospheric delay was brought
Error, E13Represent the error that multipath effect is brought；
The second data prediction subelement is used for the data error for determining the collection of inertia measurement instrument, is specially：Using second
Error factor represents the data error of inertia measurement instrument collection, and second error factor is determined using following formula：
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In formula, E2Represent the second error factor, E21Represent initial position error, E22Represent the trueness error of accelerometer, E23Table
Show the trueness error of gyroscope.
6. the accurate Urban Planning System of planning according to claim 5, it is characterised in that the precision evaluation module bag
The first precision evaluation unit, the second precision evaluation unit and synthesis precision evaluation unit are included, the first precision evaluation unit is used
In the first evaluation of estimate for obtaining vehicle-mounted mobile measuring system measurement accuracy, the second precision evaluation unit is used to obtain vehicle-mounted shifting
Second evaluation of estimate of dynamic measuring system measurement accuracy, the synthesis precision evaluation unit are used to be commented according to the first evaluation of estimate and second
The comprehensive evaluation value of value calculation vehicle-mounted mobile measuring system measurement accuracy.
7. the accurate Urban Planning System of planning according to claim 6, it is characterised in that the first precision evaluation list
Member is used for the first evaluation of estimate for obtaining vehicle-mounted mobile measuring system measurement accuracy, is specially：Choose characteristic point in three-dimensional point cloud
Three-dimensional coordinate, the first evaluation of estimate is determined using following formula：
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In formula, D1Represent the first evaluation of estimate, n represents the number for the characteristic point chosen, (xci,yci,hci) represent ith feature point
Measuring coordinate, (xzi,yzi,hzi) represent ith feature point true coordinate；
The second precision evaluation unit is used for the second evaluation of estimate for obtaining vehicle-mounted mobile measuring system measurement accuracy, is specially：
A characteristic point is chosen, characteristic point is taken multiple measurements, the three-dimensional coordinate that characteristic point measures every time is obtained, is determined using following formula
Second evaluation of estimate：
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Mark；
The synthesis precision evaluation unit is used to calculate the survey of vehicle-mounted mobile measuring system according to the first evaluation of estimate and the second evaluation of estimate
The comprehensive evaluation value of accuracy of measurement, is calculated using following formula：
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In formula, D represents comprehensive evaluation value；Comprehensive evaluation value is smaller, represents that measurement is more accurate.
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| CN110632624A (en) * | 2018-06-25 | 2019-12-31 | 中移物联网有限公司 | Method, device, equipment and storage medium for determining quality of observation quantity of satellite |
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