CN108931235A - Application method of the unmanned plane oblique photograph measuring technique in planing final construction datum - Google Patents
Application method of the unmanned plane oblique photograph measuring technique in planing final construction datum Download PDFInfo
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- CN108931235A CN108931235A CN201810961857.8A CN201810961857A CN108931235A CN 108931235 A CN108931235 A CN 108931235A CN 201810961857 A CN201810961857 A CN 201810961857A CN 108931235 A CN108931235 A CN 108931235A
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- unmanned plane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
- G01C11/30—Interpretation of pictures by triangulation
- G01C11/34—Aerial triangulation
Abstract
The present invention provides application method of the unmanned plane oblique photograph measuring technique in planing final construction datum, include the following steps (1): flight range is determined according to the region for implementing acceptance survey, it makes rational planning for the line of flight, ensure that ship's control is maintained at 80% or more, sidelapping degree is 60% or more；Step (2): by extracting characteristic point, relative orientation, matching tie point, block adjustment, the aerial triangulation achievement for taking the photograph area is generated；Step (3): directly building vector, punctual geo-objects are measured based on tilt data, the present invention is in such a way that oblique aerial camera obtains a kind of novel aeroplane photography of terrestrial object information, inclined camera generallys use five positions and carries out data acquisition, be divided into just take the photograph, forward sight, backsight, left view, right view, inertial navigation system is cooperated to obtain high-precision position and posture information, data processing is carried out by specific data processing software, all images are brought into unified coordinate system.
Description
Technical field
The present invention relates to unmanned plane oblique photograph field of measuring technique, and in particular to arrives unmanned plane oblique photograph measuring technique
Application method in planing final construction datum.
Background technique
All the time, the collection that obtains of geographic information data mostly uses manual work, large labor intensity, and process is various, time-consuming consumption
The unmanned plane oblique photograph technology of power, rising in recent years has thoroughly overturned traditional work mode, which passes through unmanned plane low latitude
More camera lens photographies obtain stereoscopic image data abundant and automatically generate three-dimensional geographic information model without manual intervention, have effect
The features such as rate is high, at low cost, flight abundant information, accurate data, in territory supervision, city law enforcement, emergency disaster relief, city
The fields such as city's mapping are applied widely.
Summary of the invention
The present invention provides application method of the unmanned plane oblique photograph measuring technique in planing final construction datum, present invention benefits
A kind of novel aeroplane photography mode of terrestrial object information is obtained with oblique aerial camera.Oblique aerial photography is different from traditional vertical
Aeroplane photography mode, inclined camera generally use five positions carry out data acquisition, be divided into just take the photograph, forward sight, backsight, left view, the right side
Depending on, cooperation inertial navigation system obtains high-precision position and posture information, data processing is carried out by specific data processing software,
All images are brought into unified coordinate system.
The present invention provides application method of the unmanned plane oblique photograph measuring technique in planing final construction datum, including it is following
Step (1): flight range is determined according to the region for implementing acceptance survey, the line of flight of making rational planning for, it is ensured that ship's control is protected
It holds 80% or more, sidelapping degree is 60% or more；
Step (2): by extracting characteristic point, relative orientation, matching tie point, block adjustment, the aerial of area is taken the photograph in generation
Triangulation achievement；
Step (3): directly building vector, punctual geo-objects are measured based on tilt data.
Above-mentioned application method, wherein in the step (1) further include: linear method laying is moved towards according to area is surveyed in course line,
The side view camera lens for being parallel to the first and last course line of survey area boundary line can obtain the effective image for surveying area.
Above-mentioned application method, wherein in the step (2) further include: according to empty three achievements, extract characteristic point, generate
Intensive point cloud data and triangulation network building, texture mapping, finally obtain three-dimensional tilt model.
Above-mentioned application method, wherein in the step (3) further include: given in collection process for different atural object
Different codings, achievement can directly export CASS into figure.
Above-mentioned application method, wherein unmanned plane oblique photograph measurement include: infrared payload unit, airborne figure leaflet member,
POS unit, floor control unit and three-dimensional modeling processing unit；The infrared payload unit and the POS unit with it is described
Airborne figure leaflet member is connected, and the airborne figure leaflet member is connected with the floor control unit, the floor control unit and institute
Three-dimensional modeling processing unit is stated to be connected.
Above-mentioned application method, wherein the infrared payload unit for atural object to be imaged, and image is sent
To the airborne figure leaflet member；The POS unit, for measuring position and the posture information of the system；The airborne figure leaflet
Member, the image sent for receiving the infrared payload unit, and the position that received image and the POS unit are measured
Floor control unit is sent to posture information.
Above-mentioned application method, wherein the floor control unit, the figure sent for receiving the airborne figure leaflet member
The position and posture information of picture and POS system；The three-dimensional modeling processing unit, for being received according to the floor control unit
Image and POS system position and posture information, establish threedimensional model.
The invention has the following advantages: 1, inclination image energy allows user from multiple angles, more true reappearance
The actual conditions of atural object, the unlimited approaching to reality world, compensate for the deficiency of traditional orthography；2, inclination image passes through mating soft
The application of part can be directly based upon the measurement that achievement image carries out height, length, area, angle, obtain data in real time；3, with
Conventional vertical image is compared, and inclination image has own unique advantage: it can provide building facade information abundant.Have
The facade information of building, that is, obtain building surface texture, has far-reaching influence for three-dimensional modeling etc..
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent upon.Identical label indicates identical part in all the attached drawings.Not deliberately proportionally
Draw attached drawing, it is preferred that emphasis is show the gist of the present invention.
Fig. 1 is the stream of application method of the unmanned plane oblique photograph measuring technique provided by the invention in planing final construction datum
Journey schematic diagram.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical solution of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiments.
Application method of the unmanned plane oblique photograph measuring technique provided by the invention in planing final construction datum, including it is following
Step (1): flight range is determined according to the region for implementing acceptance survey, the line of flight of making rational planning for, it is ensured that ship's control is protected
It holds 80% or more, sidelapping degree is 60% or more；
Step (2): by extracting characteristic point, relative orientation, matching tie point, block adjustment, the aerial of area is taken the photograph in generation
Triangulation achievement；
Step (3): directly building vector, punctual geo-objects are measured based on tilt data.
The present invention one is preferably rather than in the embodiment of limitation, in step (1) further include: moves towards straight line side according to area is surveyed in course line
Method is laid, and the side view camera lens for being parallel to the first and last course line of survey area boundary line can obtain the effective image for surveying area.
The present invention one is preferably rather than in the embodiment of limitation, in step (2) further include: according to empty three achievements, extracts feature
Point generates intensive point cloud data and triangulation network building, texture mapping, finally obtains three-dimensional tilt model.
The present invention one is preferably rather than in the embodiment of limitation, in step (3) further include: for different ground in collection process
Object gives different codings, and achievement can directly export CASS into figure.
For the present invention one preferably rather than in the embodiment of limitation, unmanned plane oblique photograph measurement includes: infrared payload unit, machine
Carry figure leaflet member, POS unit, floor control unit and three-dimensional modeling processing unit；The infrared payload unit and the POS are mono-
Member is connected with the airborne figure leaflet member, and the airborne figure leaflet member is connected with the floor control unit, the ground line
Reason unit is connected with the three-dimensional modeling processing unit.
The present invention one is preferably rather than in the embodiment of limitation, infrared payload unit, for atural object to be imaged, and will figure
As being sent to the airborne figure leaflet member；The POS unit, for measuring position and the posture information of the system；It is described airborne
Figure leaflet member, the image sent for receiving the infrared payload unit, and received image and the POS unit are measured
Position and posture information be sent to floor control unit, floor control unit is sent for receiving the airborne figure leaflet member
Image and POS system position and posture information；The three-dimensional modeling processing unit, for according to the floor control unit
The position and posture information of received image and POS system, establish threedimensional model.
Concrete application embodiment of the invention presented below
Embodiment 1
Project profile
Certain is surveyed area and is located at Bengbu western movie area, surveys area and is made of 15 high-rise the commercial houses and mating business, three face city
Road, one faces cell second phase business internal street, about 160,000 m2 of the completed floor space for needing to survey and draw.Using electronic eight rotor in northern day way
Unmanned plane and five camera lens inclined cameras are implemented boat and are taken the photograph, and the DP-Smart software of Wuhan horizon boat Co., Ltd carries out aerial triangle survey
Amount and full-automatic three-dimensional modeling, the acquisition of completion topographic map use DP-Modeler software.
Course line is laid and data acquisition
Flight range is determined according to the region for implementing acceptance survey, the line of flight of making rational planning for, it is ensured that ship's control is protected
It holds 80% or more, sidelapping degree is 60% or more.Linear method laying is moved towards according to area is surveyed in course line, is parallel to and surveys area boundary
The side view camera lens in the first and last course line of line can obtain the effective image for surveying area.In view of oblique photograph camera shooting angle, to protect
Edge object three-dimensional imaging is demonstrate,proved, course line covering is beyond survey area boundary line at least 200m.It is final to lay 14, course line, endlap
Degree, sidelapping degree are 80%, flying height 150m, course spacing 25m, other to spacing 38m.This boat takes the photograph five mirrors of total acquisition
5 groups of head tilt image data, every group 464 is opened photo, and total 2320 photos and every photo correspond to POS data.
Sky three encrypts automatic modeling
The new construction in DP-Smart, add 5 camera lenses image data and corresponding POS data, through extraction
Characteristic point, relative orientation, matching tie point, block adjustment, generate the aerial triangulation achievement for taking the photograph area.According to sky three at
Fruit extracts characteristic point, generates intensive point cloud data and triangulation network building, texture mapping etc., finally obtain three-dimensional tilt model.
Vector mapping
Solution is created using DP Modeler, it can be based on tilt data directly to building vector, dotted
Object measures.Different codings is given in collection process for different atural object, achievement can directly export CASS into figure.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies；Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, anything that does not depart from the technical scheme of the invention, foundation
Technical spirit of the invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within the present invention
In the range of technical solution protection.
Claims (7)
1. application method of the unmanned plane oblique photograph measuring technique in planing final construction datum, which is characterized in that including following step
Suddenly (1): flight range being determined according to the region for implementing acceptance survey, the line of flight of making rational planning for, it is ensured that ship's control is kept
80% or more, sidelapping degree is 60% or more；
Step (2): by extracting characteristic point, relative orientation, matching tie point, block adjustment, the aerial triangle for taking the photograph area is generated
Measurement results；
Step (3): directly building vector, punctual geo-objects are measured based on tilt data.
2. application method of the unmanned plane oblique photograph measuring technique as described in claim 1 in planing final construction datum, special
Sign is, in the step (1) further include: linear method laying is moved towards according to area is surveyed in course line, is parallel to the head for surveying area boundary line
The side view camera lens in last course line can obtain the effective image for surveying area.
3. application method of the unmanned plane oblique photograph measuring technique as claimed in claim 2 in planing final construction datum, special
Sign is, in the step (2) further include: according to empty three achievements, extracts characteristic point, generates intensive point cloud data and the triangulation network
Building, texture mapping, finally obtain three-dimensional tilt model.
4. application method of the unmanned plane oblique photograph measuring technique as claimed in claim 3 in planing final construction datum, special
Sign is, in the step (3) further include: gives different codings in collection process for different atural object, achievement can be straight
Export CASS is met into figure.
5. application method of the unmanned plane oblique photograph measuring technique as claimed in claim 3 in planing final construction datum, special
Sign is that unmanned plane oblique photograph measurement includes: infrared payload unit, airborne figure leaflet member, POS unit, floor control unit
With three-dimensional modeling processing unit；The infrared payload unit and the POS unit are connected with the airborne figure leaflet member, described
Airborne figure leaflet member is connected with the floor control unit, the floor control unit and the three-dimensional modeling processing unit phase
Even.
6. application method of the unmanned plane oblique photograph measuring technique as claimed in claim 3 in planing final construction datum, special
Sign is；The infrared payload unit is sent to the airborne figure leaflet member for atural object to be imaged, and by image；Institute
POS unit is stated, for measuring position and the posture information of the system；The airborne figure leaflet member, for receiving the infrared load
The image that lotus unit is sent, and the position and posture information of received image and POS unit measurement are sent to ground
Administrative unit.
7. application method of the unmanned plane oblique photograph measuring technique as claimed in claim 3 in planing final construction datum, special
Sign is；The floor control unit, for receiving position and the appearance of image and POS system that the airborne figure leaflet member is sent
State information；The three-dimensional modeling processing unit, for the position according to the floor control unit received image and POS system
And posture information, establish threedimensional model.
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Cited By (10)
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| CN109853580A (en) * | 2019-04-01 | 2019-06-07 | 深圳宏业基岩土科技股份有限公司 | Based on photogrammetric open-cut foundation ditch execution management method therefor |
| CN109978791A (en) * | 2019-03-28 | 2019-07-05 | 苏州市建设工程质量检测中心有限公司 | A kind of bridge monitoring methods merged based on oblique photograph and 3 D laser scanning |
| CN110458945A (en) * | 2019-08-09 | 2019-11-15 | 中科宇图科技股份有限公司 | Pass through the method for automatic modeling and system of side oblique air photograph combination video data |
| CN110455256A (en) * | 2019-07-30 | 2019-11-15 | 西安科技大学 | Ground settlement observation method based on unmanned plane oblique photograph measurement |
| CN111536947A (en) * | 2020-04-30 | 2020-08-14 | 南昌伦宇科技有限公司 | Method and system for automatically detecting oblique photography missing and quickly performing rephotography |
| CN111699454A (en) * | 2019-05-27 | 2020-09-22 | 深圳市大疆创新科技有限公司 | Flight planning method and related equipment |
| CN112097746A (en) * | 2020-09-11 | 2020-12-18 | 浙江雷纹电子科技有限公司 | Oblique photography data acquisition method for three-dimensional visualization |
| CN112907724A (en) * | 2020-12-31 | 2021-06-04 | 河南工程学院 | Building interactive automatic mapping method utilizing unmanned aerial vehicle oblique photography |
| CN113295146A (en) * | 2021-05-20 | 2021-08-24 | 厦门致睿智控地信科技有限公司 | Self-adaptive photographing route task planning method and system and storage medium |
| CN113758438A (en) * | 2021-07-08 | 2021-12-07 | 重庆市勘测院 | Special building oblique aerial photography and three-dimensional reconstruction method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109978791A (en) * | 2019-03-28 | 2019-07-05 | 苏州市建设工程质量检测中心有限公司 | A kind of bridge monitoring methods merged based on oblique photograph and 3 D laser scanning |
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| CN110455256A (en) * | 2019-07-30 | 2019-11-15 | 西安科技大学 | Ground settlement observation method based on unmanned plane oblique photograph measurement |
| CN110458945A (en) * | 2019-08-09 | 2019-11-15 | 中科宇图科技股份有限公司 | Pass through the method for automatic modeling and system of side oblique air photograph combination video data |
| CN111536947A (en) * | 2020-04-30 | 2020-08-14 | 南昌伦宇科技有限公司 | Method and system for automatically detecting oblique photography missing and quickly performing rephotography |
| CN112097746A (en) * | 2020-09-11 | 2020-12-18 | 浙江雷纹电子科技有限公司 | Oblique photography data acquisition method for three-dimensional visualization |
| CN112097746B (en) * | 2020-09-11 | 2022-06-07 | 浙江雷纹电子科技有限公司 | Oblique photography data acquisition method for three-dimensional visualization |
| CN112907724B (en) * | 2020-12-31 | 2023-08-04 | 河南工程学院 | Building interactive automatic imaging method utilizing unmanned aerial vehicle oblique photography |
| CN112907724A (en) * | 2020-12-31 | 2021-06-04 | 河南工程学院 | Building interactive automatic mapping method utilizing unmanned aerial vehicle oblique photography |
| CN113295146A (en) * | 2021-05-20 | 2021-08-24 | 厦门致睿智控地信科技有限公司 | Self-adaptive photographing route task planning method and system and storage medium |
| CN113758438A (en) * | 2021-07-08 | 2021-12-07 | 重庆市勘测院 | Special building oblique aerial photography and three-dimensional reconstruction method |
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