CN109063638A - Method, system and medium based on oblique photograph prediction waste yield - Google Patents
Method, system and medium based on oblique photograph prediction waste yield Download PDFInfo
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Abstract
The invention discloses a kind of methods based on oblique photograph prediction building demolition waste yield, comprising the following steps: setting unmanned plane during flying parameter and course line；Obtain the quasi- structure image for removing region；The quasi- structure image data for removing region are subjected to multi-view images processing；Generate visual digital surface model；Generate the quasi- building file for removing region；It calculates and obtains the quasi- depth of building and occupied area for removing region, and then obtain the quasi- building demolition waste yield for removing region.A kind of system based on oblique photograph prediction building demolition waste yield, comprising: control module of taking photo by plane, data processing module and building demolition waste yield computing module.And a kind of computer readable storage medium.Which raises acquisition speeds, and realize the 3 d modeling of building quickly and automated, so that the occupied area and height of quick obtaining building, effectively reduce because investigation obtains resource input by the index on the spot.
Description
Technical field
The present invention relates to building demolition waste fields, are based especially on oblique photograph prediction building demolition waste and generate
Method, system and the medium of amount.
Background technique
Oblique photograph measuring technique: oblique photograph measuring technique is an international survey field height developed in recent years
New technology, it changes the limitation that previous orthography can only be shot from vertical angle, can be by taking on same flying platform
More sensors are carried, while being shot from different angles, acquisition data information quickly and efficiently really reflects ground
Situation meets demand of the people to three-dimensional information.
Building demolition waste: building demolition waste refers to the solid waste that building generates in demolishing process,
Not comprising engineering spoir.The improper management of building demolition waste, cause its to urban environmental hygiene, resident living condition and
Soil water source quality etc. generates baneful influence.
" unit construction area produces useless rate method " is the main method that current prediction building demolition waste generates quantity, is used
The precondition of this method is to obtain the quasi- overall floorage for removing building and the useless rate two indices of unit construction area production.Always build
The acquisition for building area is based primarily upon artificial field research, removes the occupied area and the number of plies built in relation to quasi- by on-site collection,
Intend removing the overall floorage built to calculate, but method of data capture more original in this way needs to put into a large amount of cost,
Error is also larger.It, can be with the quasi- overall floorage for removing region of quick obtaining, in turn based on existing oblique photograph measuring technique
Predict the generation quantity of building demolition waste.And currently, oblique photograph measuring technique not apply to building demolition discarded
The prediction of object.Therefore it is necessary to improve for the technology.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of generation that can quickly and accurately predict building demolition waste in any section demolishing process
Method, system and the medium of quantity.
The technical scheme adopted by the invention is that:
The present invention provides a kind of method based on oblique photograph prediction building demolition waste yield, including following step
It is rapid:
According to the distribution situation for intending removing region in real-time map, unmanned plane during flying parameter and course line are set；
Obtain the quasi- structure image for removing region；
The quasi- structure image data for removing region are subjected to multi-view images processing；
Generate visual digital surface model；
It is corrected to more depending on true orthophoto, and generates the quasi- building file for removing region；
It calculates and obtains the quasi- depth of building and occupied area for removing region, and then obtain the quasi- building for removing region
Remove waste yield.
As the improvement of the technical solution, in unmanned plane during flying shooting process, according to flying condition on unmanned plane
Height locating for camera carries out real-time monitoring.
As the improvement of the technical solution, the image data of acquired building carries out more seeing images when to unmanned plane during flying
As simultaneous adjustment is handled；And image data carries out the processing of multi-view images dense Stereo Matching by treated.
Further, based on the elements of exterior orientation of POS system, pyramid matching process is taken to carry out automatic to same place
Match and adjustment, to obtain qualified homotopy mapping result.
Further, multi-view images are corrected, and is corrected using image space and is corrected with object space, it is same according to image space and object space
The one-to-one relationship of famous cake carries out joint correction strategy, completes entirely quasi- real penetrate for removing region multi-view images with this and entangles
Just.
Further, according to the height of building and occupied area, the layer in conjunction with building is high, calculates always building for building
Area is built, and then calculates the quasi- overall floorage for removing region.
Further, useless rate is produced according to the quasi- overall floorage for removing region and unit construction area, predicts quasi- dismounting
The generation quantity of region building demolition waste.
On the other hand, the present invention also provides it is a kind of based on oblique photograph prediction building demolition waste yield system,
Include:
Nobody is arranged for executing step according to the distribution situation for intending removing region in real-time map in control module of taking photo by plane
Machine flight parameter and course line；
Obtain the quasi- structure image for removing region；
Data processing module carries out the quasi- structure image data for removing region at multi-view images for executing step
Reason；
Generate visual digital surface model；
It is corrected to more depending on true orthophoto, and generates the quasi- building file for removing region；
Building demolition waste yield computing module calculates the quasi- building height for removing region of acquisition for executing step
Degree and occupied area, and then obtain the quasi- building demolition waste yield for removing region.
And a kind of computer readable storage medium, the computer-readable recording medium storage have computer is executable to refer to
It enables, the computer executable instructions are used to that computer to be made to execute the method.
The beneficial effects of the present invention are:
Method, system and medium provided by the invention based on oblique photograph prediction building demolition waste yield, fortune
It can be built simultaneously from different angles such as vertical, inclinations with oblique photograph measuring technique by this flight carrier of unmanned plane
The acquisition of object image data, data acquisition amount is big, substantially increases acquisition speed, and realizes the building quickly and automated
Object three-dimensional modeling, so that the occupied area and height of quick obtaining building, effectively reduce because investigation obtains the index on the spot
Input resource.
On the other hand, the generation quantity that can predict building demolition waste on a large scale greatly improves basic data acquisition
Science, accuracy and rapidity, and this method can be applied into other field.
Detailed description of the invention
Fig. 1 is the control flow block diagram of one embodiment of the invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Referring to Fig.1, a method of building demolition waste yield being predicted based on oblique photograph, this method includes as follows
Step:
(1) new folder is established in UAV system, acquired quasi- dismounting when for storing unmanned plane during flying
The image data and coordinate information in region；
(2) parameters when unmanned plane during flying are set, determine Ship's Optimum Route when unmanned plane during flying；
(3) line of flight is imported into unmanned plane terminal, unmanned plane operator operates unmanned plane, completes quasi- dismounting region
Flight shooting work；
(4) in unmanned plane during flying shooting process, height locating for the camera on unmanned plane is carried out according to flying condition
Real-time detection；
(5) to unmanned plane during flying the image data of acquired building carries out the processing of multi-view images simultaneous adjustment when；
(6) processing of multi-view images dense Stereo Matching is carried out through multi-view images simultaneous adjustment treated image data；
(7) according to vertical image and the elements of exterior orientation of inclination image, the coordinate information of building is obtained, then to these seats
Mark information is associated, and generates visual digital surface model；
(8) it according to digital surface model, is corrected to more depending on true orthophoto；
(9) digital surface model after correction is imported into City Maker software, generates the quasi- building text for removing region
Part；
(10) using in City Maker software ranging tool and area measurement tool calculate quasi- region of removing and build
The height and occupied area of object；
(11) high in conjunction with the layer of building according to the height of building and occupied area two indices, calculate building
Overall floorage, and then calculate the quasi- overall floorage for removing region；
(12) useless rate two indices are produced according to the quasi- overall floorage for removing region and unit construction area, predicts quasi- tear open
Except the generation quantity of region building demolition waste.
Specifically, (1) unmanned plane
Before taking photo by plane, a new folder is established in the system of unmanned plane, it is acquired when for storing unmanned plane during flying
The quasi- image data and coordinate information for removing region.According to specific feelings such as quasi- shape, the height of area, building for removing region
Parameters when unmanned plane during flying are arranged in condition, it is preferred that the system carried by unmanned plane voluntarily determines unmanned plane during flying most
Excellent course line.Wherein, the system that the Ship's Optimum Route of unmanned plane during flying is carried by unmanned plane voluntarily determines, unmanned plane items flight parameter
Setting need to be determined according to the quasi- concrete condition for removing region, shape, the height of area, building in such as quasi- dismounting region.
Before unmanned plane takes off, the line of flight is imported into unmanned plane terminal, by manipulating unmanned plane, completes the quasi- work of taking photo by plane for removing region
Make.During taking photo by plane, height locating for the camera on unmanned plane need to be measured in real time according to flying condition.Wherein intend removing
Region survey area control points layout can be removed in the lateral areas of region quasi-, establish control net and lay control point, control to guarantee
Point, which is completely covered, surveys area, with reach it is quasi- remove region can be taken photo by plane to.
(2) aerial images are handled
After unmanned plane, the image collected during taking photo by plane need to be handled.Firstly, certainly by POS system
The elements of exterior orientation that body has, and while taking pyramid matching process to unmanned plane during flying acquired structure image data
Same place carries out the processing of multi-view images simultaneous adjustment, to obtain qualified homotopy mapping result.Secondly, will be through excessive seeing image
As simultaneous adjustment treated image data carries out the processing of multi-view images dense Stereo Matching, mainly built by what unmanned plane was shot
It builds object feature, such as texture and the marginal portion of the outstanding feature of top of building, building wall, is based on shadow using these
Vector data collection of the information that picture just can determine that as building realizes the processing of multi-view images dense Stereo Matching.Again, by using
Automatic triangulation system-computed goes out vertical image and the elements of exterior orientation of inclination image show that the coordinate of building is believed again
Breath, then these coordinate informations are associated, generate visual digital surface model.In addition, simultaneously using image space correct and
Multi-view images are corrected in object space correction, according to the one-to-one relationship of image space and object space same place, are carried out joint and are corrected plan
Slightly, correction is penetrated to complete entirely quasi- the real of dismounting region multi-view images with this.Finally, the digital surface model after correction is led
Enter City Maker software, automatically generates quasi- dismounting region since the Terrain Push plug-in unit in City Maker software has
The function of landform, while by the plane coordinates data and altitude data in load inclination image, intend the building for removing region
Have space three-dimensional data, convenient for the measurement of later period building occupied area and height.
Since the acquired photographed data of unmanned plane shooting includes vertical data and tilt data, need based on POS system
The elements of exterior orientation itself having, and pyramid matching process is taken to carry out Auto-matching and adjustment to same place, to obtain
Qualified homotopy mapping result.
Further, multi-view images dense Stereo Matching mainly passes through the building feature that unmanned plane is shot, and such as builds
The texture of outstanding feature, building wall at the top of object and marginal portion etc., the letter that just can determine that using these based on image
The vector data collection as building is ceased, realizes the processing of multi-view images dense Stereo Matching.
The elements of exterior orientation of vertical image and inclination image is before generating digital surface model, by using automatic sky
Intermediate cam measuring system is calculated.
Multi-view images are corrected, while being corrected using image space and object space is corrected, according to image space and object space same place
One-to-one relationship carries out joint correction strategy, penetrates correction with this to complete entirely quasi- the real of dismounting region multi-view images.
(3) data statistics and calculating
Complete aerial images processing after, using in City Maker software ranging tool and area measurement tool calculate
Intend removing the height and occupied area of region building out.
According to the quasi- height for removing region building, the quasi- number of floor levels for removing each building in region can be calculated, is calculated
Formula are as follows:
Wherein, F is the quasi- number of floor levels for removing each building in region, and H is the quasi- height for removing region building, HfIt is torn open to be quasi-
Except the story height of region building.Number of floor levels is integer, therefore, H/HfRatio answer round.Country is to building
The story height of object has relevant specification to provide, villages within the city, residential quarter building story height be 2.8~3.0 meters, industry
Area, market building story height be 5~6 meters, HfIt is built in program as fixed numbers.Wherein, the layer of building is high
For fixed numbers, it is not based on the acquisition of oblique photograph measuring technique.The building of different function type, layer height are different.Building
Use function include inhabitation, business, industry etc..
According to the quasi- number of floor levels and occupied area for removing each building in region, quasi- each of region of removing can be calculated and built
The construction area built, calculation formula are as follows:
A=Af×F
Wherein, A is the quasi- construction area for removing each building in region, AfFor the quasi- land occupation for removing each building in region
Area, F are the quasi- number of floor levels for removing each building in region.
According to the construction area of each building in quasi- dismounting region, the quasi- total building sides for removing region building can be calculated
Product, calculation formula are as follows:
Wherein, TA is the quasi- overall floorage for removing region building, AiFor the quasi- building sides for removing i-th building in region
Product.
Useless rate is produced according to the quasi- overall floorage for removing region building and the quasi- unit area for removing region building, it can
Calculate the quasi- generation quantity for removing region building demolition waste, calculation formula are as follows:
G=TA × WGR
Wherein, G is the quasi- total generation quantity for removing region building demolition waste, and TA is the total of quasi- dismounting region building
Construction area, WGR are that the quasi- unit area for removing region building produces useless rate.
The quasi- generation quantity for removing region building demolition waste is equal to the quasi- overall floorage for removing region building and multiplies
Useless rate is produced with unit construction area, and it is fixed numbers that unit construction area, which produces useless rate index, is not based on oblique photograph measurement skill
Art obtains.The building of different function type and structure type, unit construction area produce useless rate difference, and the acquisition of the index is logical
Cross the investigation on the spot of early period.The structure type of building mainly includes frame structure, frame-shear structure, brick mix structure, steel construction and wood
Structure.
Method, system and medium provided by the invention based on oblique photograph prediction building demolition waste yield, fortune
It can be built simultaneously from different angles such as vertical, inclinations with oblique photograph measuring technique by this flight carrier of unmanned plane
The acquisition of object image data, data acquisition amount is big, substantially increases acquisition speed, and realizes the building quickly and automated
Object three-dimensional modeling, so that the occupied area and height of quick obtaining building, effectively reduce because investigation obtains the index on the spot
Input resource.
On the other hand, the generation quantity that can predict building demolition waste on a large scale greatly improves basic data acquisition
Science, accuracy and rapidity, and this method can be applied into other field.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (9)
1. a kind of method based on oblique photograph prediction building demolition waste yield, which comprises the following steps:
According to the distribution situation for intending removing region in real-time map, unmanned plane during flying parameter and course line are set；
Obtain the quasi- structure image for removing region；
The quasi- structure image data for removing region are subjected to multi-view images processing；
Generate visual digital surface model；
It is corrected to more depending on true orthophoto, and generates the quasi- building file for removing region；
It calculates and obtains the quasi- depth of building and occupied area for removing region, and then obtain the quasi- building demolition for removing region
Waste yield.
2. the method according to claim 1 based on oblique photograph prediction building demolition waste yield, feature exist
In in unmanned plane during flying shooting process, according to flying condition to the progress real-time monitoring of height locating for the camera on unmanned plane.
3. the method according to claim 1 or 2 based on oblique photograph prediction building demolition waste yield, feature
It is, the image data of acquired building carries out the processing of multi-view images simultaneous adjustment when to unmanned plane during flying；And it will processing
Image data afterwards carries out the processing of multi-view images dense Stereo Matching.
4. the method according to claim 3 based on oblique photograph prediction building demolition waste yield, feature exist
In, which comprises the elements of exterior orientation based on POS system takes pyramid matching process to carry out automatic to same place
Match and adjustment, to obtain qualified homotopy mapping result.
5. the method according to claim 4 based on oblique photograph prediction building demolition waste yield, feature exist
In, multi-view images are corrected, and using image space correct and object space correct, according to the one-to-one correspondence of image space and object space same place
Relationship carries out joint correction strategy, completes entirely quasi- the real of dismounting region multi-view images with this and penetrates correction.
6. the method according to claim 1,2,4 or 5 based on oblique photograph prediction building demolition waste yield,
It is characterized in that, according to the height and occupied area of building, the layer in conjunction with building is high, calculate the overall floorage of building,
And then calculate the quasi- overall floorage for removing region.
7. the method according to claim 6 based on oblique photograph prediction building demolition waste yield, feature exist
In producing useless rate according to the quasi- overall floorage for removing region and unit construction area, predict that quasi- to remove region building demolition useless
The generation quantity of gurry.
8. a kind of system based on oblique photograph prediction building demolition waste yield characterized by comprising
Control module of taking photo by plane is arranged unmanned plane and flies for executing step according to the distribution situation for intending removing region in real-time map
Row parameter and course line；
Obtain the quasi- structure image for removing region；
The quasi- structure image data for removing region are carried out multi-view images processing for executing step by data processing module；
Generate visual digital surface model；
It is corrected to more depending on true orthophoto, and generates the quasi- building file for removing region；
Building demolition waste yield computing module, for executing the quasi- building height for removing region of step calculating acquisition and accounting for
Ground area, and then obtain the quasi- demolishing buildings waste yield for removing region.
9. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer can
It executes instruction, the computer executable instructions are for making computer execute method as described in any one of claim 1 to 7.
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| CN111783192A (en) * | 2020-06-12 | 2020-10-16 | 中国二十冶集团有限公司 | Complex terrain field flat earthwork calculation method based on oblique photography live-action model |
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