CN109141363A - Unmanned plane high-precision dual camera oblique photograph measuring system - Google Patents
Unmanned plane high-precision dual camera oblique photograph measuring system Download PDFInfo
- Publication number
- CN109141363A CN109141363A CN201810156879.7A CN201810156879A CN109141363A CN 109141363 A CN109141363 A CN 109141363A CN 201810156879 A CN201810156879 A CN 201810156879A CN 109141363 A CN109141363 A CN 109141363A
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- China
- Prior art keywords
- signal
- unmanned plane
- unit
- oblique photograph
- identification
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Abstract
The present invention provides unmanned plane high-precision dual camera oblique photograph measuring systems, including main control unit, trigger signal acquisition unit, signal identification and location resolution unit, data storage and reading unit, the trigger signal acquisition unit is used to acquire the flash lamp or start pulse signal of camera, the signal identification and location resolution unit are for receiving and parsing through GNSS satellite signal, and responsible identification signal and instantaneous location information is triggered by serial ports output signal, the main control unit is used to receive the location information of signal identification and location resolution unit output, and complete information storage and information sending action, the synchronous of instant of time and accurately confirmation and record the invention is characterized in that GNSS receiver location information and camera are taken pictures, to realize high-precision oblique photograph work.
Description
Technical field
The present invention relates to fields of measurement, and in particular to arrives unmanned plane high-precision dual camera oblique photograph measuring system.
Background technique
Oblique photograph technology is the new and high technology to grow up the International Photography fields of measurement nearly more than ten years, it can not only
It is enough truly reflected atural object situation, accurately obtains object space texture information, can also pass through advanced positioning, fusion, modeling etc.
Technology generates true D Urban model, meets the requirement of current China's development of urban informationization.Unmanned plane oblique photograph is surveyed
Amount is by utilizing oblique photograph measuring software system, so that the time of acquisition city threedimensional model and cost have all obtained very big journey
Reduction on degree.These technologies the developed countries such as America and Europe be widely used in emergency command, Homeland Security, city management,
The industries such as house property tax revenue.
Oblique photograph technology is that (currently used is five camera lens phases by carrying more sensors on same flying platform
Machine), while image is acquired from different angles such as vertical, inclinations, obtain the high-new skill of the ground object more information of complete and accurate
Art.The image that angle shot obtains perpendicular to the ground is known as positive (group image), and camera lens forms an angle shooting towards with ground
The image of acquisition is known as inclined tab (four group images).Unmanned plane oblique photograph measurement by oblique photograph technical application to unmanned plane,
Practical is exactly to make a threedimensional model, and this model set up is truer, more intuitively, is more in line with reality.
We visually see what, using this technology take come what is exactly.As long as five can be obtained by flight
The image of different perspectives, while the automatic textures of texture can also be carried out using computer software.Generally speaking, with traditional technology phase
Than oblique photograph technology has higher efficiency, when higher precision, application range are also more and more extensive for sexual valence.Incline at present
Oblique camera work has been widely applied at present, and to its high-precision, more stringent requirements are proposed and current industry for stability etc.
One of interior main problem to be solved.
Summary of the invention
For the prior art, there are above-mentioned deficiencies, and the present invention provides unmanned plane high-precision dual camera oblique photograph surveys
Amount system is taken pictures the synchronous of instant of time and accurately confirmation and record by taking GNSS receiver location information and camera, from
And realize high-precision oblique photograph work.
The technical scheme is that unmanned plane high-precision dual camera oblique photograph measuring system, including main control unit,
Trigger signal acquisition unit, signal identification and location resolution unit, data storage and reading unit, the trigger signal acquisition are single
Member is for acquiring the flash lamp or start pulse signal of camera, and the signal identification is with location resolution unit for receiving and solving
Analysis GNSS satellite signal and responsible identification signal simultaneously trigger instantaneous location information, the master control by serial ports output signal
Unit is completed information storage and information transmission and is moved for receiving the location information of signal identification with location resolution unit output
Make.
Above-mentioned system, wherein camera trigger signal is input to GNSS receiver, GNSS after level conversion and filtering
Receiver completes module and time synchronization by receiving the GNSS satellite time.
Above-mentioned system, wherein the signal identification and location resolution unit receive defeated by serial ports after trigger signal
It is currently based on the standard latitude and longitude coordinates of NMEA agreement out.
Above-mentioned system, wherein path is shot in each by trigger signal acquisition unit and carries out multiple and different angles
Filming image, the different angle of the shooting includes at least top, the left and right sides and the front and rear sides of the atural object；According to same
The image information of the different shooting angles shooting of one atural object constructs the threedimensional model of the atural object.
Above-mentioned system, wherein shooting angle of the trigger signal acquisition unit in each shooting path includes: mirror
Head vertical downward direction, camera lens are respectively with the orientation of the front, rear, left and right of unmanned plane direction of advance four in 45 ° of downward inclination angles
Direction.
Unmanned plane high-precision dual camera oblique photograph measuring system provided by the invention has the advantages that 1, leads to
It crosses and GNSS receiver location information and camera is taken to take pictures the synchronous of instant of time and accurately confirmation and record, to realize high-precision
The oblique photograph of degree works.
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 structural schematic diagram of unmanned plane high-precision dual camera oblique photograph measuring system provided by the invention；
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.
Shown in referring to Fig.1, the present invention provides unmanned plane high-precision dual camera oblique photograph measuring systems, including master control
Unit, trigger signal acquisition unit, signal identification and location resolution unit, data storage and reading unit, the trigger signal
Acquisition unit is used to acquire the flash lamp or start pulse signal of camera, and the signal identification is with location resolution unit for connecing
It receives and parses GNSS satellite signal and responsible identification signal and trigger instantaneous location information, institute by serial ports output signal
Main control unit is stated for receiving the location information of signal identification and location resolution unit output, and completes information storage and information hair
Send movement.
In a preferred but unrestricted embodiment of the invention, camera trigger signal inputs after level conversion and filtering
To GNSS receiver, GNSS receiver completes module and time synchronization by receiving the GNSS satellite time.
In a preferred but unrestricted embodiment of the invention, the signal identification and location resolution unit receive triggering
The standard latitude and longitude coordinates of NMEA agreement are currently based on after signal by serial ports output.
In a preferred but unrestricted embodiment of the invention, path is shot in each by trigger signal acquisition unit
Carry out the filming image of multiple and different angles, the different angle of the shooting include at least the top of the atural object, the left and right sides and
Front and rear sides；The threedimensional model that the atural object is constructed according to the image information of the different shooting angles shooting in same atural object, into one
Step, trigger signal acquisition unit each shooting path shooting angle include: camera lens vertical downward direction, camera lens respectively with
The orientation of front, rear, left and right four of unmanned plane direction of advance is in the direction at 45 ° of downward inclination angles.
The course of work of the invention are as follows: shown in referring to Fig.1, trigger signal acquisition unit is responsible for accurately acquiring camera
Flash lamp or other start pulse signals, signal identification resolution unit is firstly the need of GNSS satellite signal is received and parsed through, simultaneously
It is responsible for identification signal and triggers instantaneous location information by serial ports output signal, main control unit receives signal identification resolution unit
The location information of output completes information storage and other sending actions.Camera trigger signal is defeated after level conversion and filtering
Enter to GNSS receiver module, by receiving, the GNSS satellite time completes module to GNSS receiver and time synchronization, time are same
Precision is walked within 20ns, while confirming current location information.Signal identification passes through after receiving trigger signal with resolution unit
Serial ports exports the standard latitude and longitude coordinates for being currently based on NMEA agreement.GNSS board receives the difference number that ground base station radio station is sent
It is accurately positioned according to difference is carried out.
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 (5)
1. unmanned plane high-precision dual camera oblique photograph measuring system, which is characterized in that adopted including main control unit, trigger signal
Collect unit, signal identification and location resolution unit, data storage and reading unit, the trigger signal acquisition unit is for acquiring
The flash lamp or start pulse signal of camera, the signal identification and location resolution unit are for receiving and parsing through GNSS satellite
Signal and responsible identification signal simultaneously trigger instantaneous location information by serial ports output signal, and the main control unit is for connecing
The location information of signal identification and location resolution unit output is received, and completes information storage and information sending action.
2. unmanned plane high-precision dual camera oblique photograph measuring system as described in claim 1, which is characterized in that camera touching
It signals to be input to GNSS receiver after level conversion and filtering, GNSS receiver is completed by receiving the GNSS satellite time
Module and time synchronization.
3. unmanned plane high-precision dual camera oblique photograph measuring system as claimed in claim 2, which is characterized in that the letter
Number identification is received with location resolution unit exports the standard longitude and latitude for being currently based on NMEA agreement after trigger signal by serial ports
Coordinate.
4. unmanned plane high-precision dual camera oblique photograph measuring system as claimed in claim 3, which is characterized in that pass through touching
Signalling acquisition unit carries out the filming image of multiple and different angles in each shooting path, and the different angle of the shooting is extremely
It less include top, the left and right sides and the front and rear sides of the atural object；According to the image of the different shooting angles shooting in same atural object
The threedimensional model of the information architecture atural object.
5. unmanned plane high-precision dual camera oblique photograph measuring system as claimed in claim 4, which is characterized in that the touching
Signalling acquisition unit each shooting path shooting angle include: camera lens vertical downward direction, camera lens respectively with nobody
The orientation of front, rear, left and right four of machine direction of advance is in the direction at 45 ° of downward inclination angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810156879.7A CN109141363A (en) | 2018-02-24 | 2018-02-24 | Unmanned plane high-precision dual camera oblique photograph measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810156879.7A CN109141363A (en) | 2018-02-24 | 2018-02-24 | Unmanned plane high-precision dual camera oblique photograph measuring system |
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| CN109141363A true CN109141363A (en) | 2019-01-04 |
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| CN201810156879.7A Pending CN109141363A (en) | 2018-02-24 | 2018-02-24 | Unmanned plane high-precision dual camera oblique photograph measuring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189411A (en) * | 2019-06-12 | 2019-08-30 | 中国民用航空飞行学院 | Emergency management and rescue Search Area method for visualizing after a kind of accident of aircraft |
| CN111131694A (en) * | 2019-12-13 | 2020-05-08 | 上海海鸥数码照相机有限公司 | Photographing trigger signal detection system, method and device |
| CN111336995A (en) * | 2020-05-19 | 2020-06-26 | 北京数字绿土科技有限公司 | Multi-camera high-precision time synchronization and control device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352481A (en) * | 2015-10-23 | 2016-02-24 | 武汉苍穹电子仪器有限公司 | High-precision unmanned aerial vehicle image non-control points surveying and mapping method and system thereof |
| CN107560603A (en) * | 2017-08-29 | 2018-01-09 | 南宁慧视科技有限责任公司 | A kind of unmanned plane oblique photograph measuring system and measuring method |
-
2018
- 2018-02-24 CN CN201810156879.7A patent/CN109141363A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352481A (en) * | 2015-10-23 | 2016-02-24 | 武汉苍穹电子仪器有限公司 | High-precision unmanned aerial vehicle image non-control points surveying and mapping method and system thereof |
| CN107560603A (en) * | 2017-08-29 | 2018-01-09 | 南宁慧视科技有限责任公司 | A kind of unmanned plane oblique photograph measuring system and measuring method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189411A (en) * | 2019-06-12 | 2019-08-30 | 中国民用航空飞行学院 | Emergency management and rescue Search Area method for visualizing after a kind of accident of aircraft |
| CN111131694A (en) * | 2019-12-13 | 2020-05-08 | 上海海鸥数码照相机有限公司 | Photographing trigger signal detection system, method and device |
| CN111131694B (en) * | 2019-12-13 | 2021-03-05 | 上海海鸥数码照相机有限公司 | Photographing trigger signal detection system, method and device |
| CN111336995A (en) * | 2020-05-19 | 2020-06-26 | 北京数字绿土科技有限公司 | Multi-camera high-precision time synchronization and control device and method |
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Application publication date: 20190104 |