CN107289912A - A kind of many camera lens oblique photograph measurement cameras - Google Patents
A kind of many camera lens oblique photograph measurement cameras Download PDFInfo
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- CN107289912A CN107289912A CN201710507294.0A CN201710507294A CN107289912A CN 107289912 A CN107289912 A CN 107289912A CN 201710507294 A CN201710507294 A CN 201710507294A CN 107289912 A CN107289912 A CN 107289912A
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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
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
-
- 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
Abstract
The invention discloses a kind of many camera lens oblique photograph measurement cameras, including：Support；Camera module for gathering photographed data；Interconnecting module, for being integrated to the photographed data that the camera module is gathered；Processing module, for being handled the photographed data after integration and forming view data；Synchronous exposure module, generates unified row field signal and controls the camera module synchronously to expose；Display interface for transmitting described image data；Main functional modules, for described image insertion of data into data information；Memory module, for being stored to the described image data for inserting data message.Using the present invention, it is ensured that the exposure uniformity of each camera module, positioning synchronous；Data storage is concentrated, and it is convenient to collect, and during later stage production processing, data preparation is relatively simple；Meanwhile, anabolic process of the present invention is fairly simple, applied widely.
Description
Technical field
The present invention relates to field of aerial photography measurement, more particularly to a kind of many camera lens oblique photograph measurement cameras.
Background technology
The limitation that conventional orthography can only be shot from vertical angle has been overturned in many camera lens oblique photograph measurements, by same
Many sensors are carried on one flying platform, while from five different angle acquisition images such as vertical, four inclinations, will
User introduces the true world directly perceived for meeting human eye vision.
In the prior art, many camera lens oblique photograph measurement cameras are more to realize by the camera or mobile phone for assembling single camera lens
Shooting of the individual angle to atural object.Which has as a drawback that：1. the shooting unit of all angles is in exposure uniformity, positioning is same
Step property aspect is realized relatively difficult；2. using the combination of the existing finished product camera in market, anabolic process is relatively difficult, is limited to, body
Product, weight, shape etc., often size is bigger than normal, weight is big, is only limitted to large-scale UAV flight and uses；3. data storage compares point
Dissipate, each shooting unit can only use oneself original storage organization, and (essentially storage card, stores read or write speed slowly, capacity has
Limit), storage medium is distributed in each camera, and data summarization is comparatively laborious, and during later stage production processing, data preparation is extremely difficult.
The content of the invention
The technical problems to be solved by the invention are to be surveyed in view of the shortcomings of the prior art there is provided a kind of many camera lens oblique photographs
Measure camera, it is ensured that the exposure uniformity of multiple camera modules, positioning synchronous；The centrally stored of data is realized, issue after simplifying
According to arrangement.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of many camera lens oblique photograph measurement cameras include：
There is support chamber in support, the support；
Camera module for gathering photographed data, the camera module includes a vertical photography module and four are inclined
Oblique camera module；The vertical photography module is located in the middle part of the bottom surface of the support, four oblique photograph module difference positions
Corner in the bottom surface of the support；The primary optical axis of each oblique photograph module is taken the photograph towards an adjacent inclination
Location deflection where shadow module, and the primary optical axis of oblique photograph module described in any two is not parallel；
Interconnecting module, the signal output part of the signal input part of the interconnecting module and the camera module is communicated to connect,
Photographed data for being gathered to the camera module carries out signal converting；
Processing module, the signal output part of the signal input part of the processing module and the interconnecting module is communicated to connect,
For being handled the photographed data that 5 tunnels are handled by signal converting and forming view data；
Synchronous exposure module, the synchronous exposure module is communicated to connect with the camera module, the unified row for generating
Field signal simultaneously controls the camera module synchronously to expose；
Display interface, the signal output part of the display interface and the processing module is communicated to connect, described for showing
View data；The signal output part of the display interface is connected with high definition display device, is taken the photograph by human-computer interaction interface to described
The parameter of shadow module is configured；
Main functional modules, the signal input part of the main functional modules and the output end of the processing module are communicated to connect,
For to described image insertion of data into data information；
Memory module, the input of the memory module is communicated to connect with the main functional modules, for insertion data
The described image data of information are stored；
The interconnecting module, the processing module, the synchronous exposure module, the main functional modules and the storage
Module is respectively positioned on the support intracavitary.
The beneficial effects of the invention are as follows：By setting synchronous exposure module, it is ensured that the exposure uniformity of multiple camera modules,
Positioning synchronous；By setting the interconnecting module, the processing module and the main functional modules, the collection of data is realized
Middle storage, simplifies later data and arranges.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, each camera module includes camera lens and photoelectric sensor, and the camera lens is used to gather light letter
Number, the photoelectric sensor is used for the photographed data that the optical signal is converted into electrical signal form.
Beneficial effect using above-mentioned further scheme is：It is real by setting the camera lens and the photoelectric sensor
Show standardization and the mass of the camera module, while assembling is more convenient, simplify the structure of the camera module, just
In using and install.
Further, processing of the processing module to the photographed data after integration includes：Interpolation processing, black level school
Just, gamma correction, AWB and noise reduction process.
Beneficial effect using above-mentioned further scheme is：Pass through the processing to the photographed data, on the one hand, make design
More stablize and simple；On the other hand, the photographed data is optimized.
Further, the synchronous exposure module controls the photography by carrying out frequency dividing generation row field signal to same crystal oscillator
Module synchronization exposes.
Beneficial effect using above-mentioned further scheme is：After to same crystal oscillator by frequency dividing, the row of one group of generation
Field signal, for controlling multiple camera modules to synchronize exposure, the above method is simple and easy to apply, and control reliability is higher.
Further, the data message includes：Aperture information that the camera module is provided, shutter information, white balance
Information and focus information；Date-time information, resolution information and device name letter that the main functional modules are provided
Breath；And the exposure information and gain information that the processing module is provided.
Further, in addition to locating module, for obtaining geographical location information；The signal output part of the locating module with
The input communication connection of the main functional modules, for inserting geographical location information to described image data.
Further, in addition to shoot gesture module, the shooting attitude information for obtaining the camera module；It is described to shoot
The signal output part of gesture module and the input of the main functional modules are communicated to connect, and are clapped for being inserted to described image data
Take the photograph attitude information.
Beneficial effect using above-mentioned further scheme is：The information that is there is provided by the camera module, the main work(
Can the information that is provided of the information that is provided of module, the locating module and it is described shoot the information that gesture module is provided,
User is facilitated for the unified coding of view data progress and management, the export of view data is facilitated；Facilitate simultaneously after
The data processing of phase.
Further, in addition on support cover, lid is covered and opened on the top surface of the support, the support on lid on the support
Provided with multiple interfaces, for realizing many camera lens oblique photographs are measured with data transfer and the debugging of camera；Covered on the support
Memory module baffle plate is provided with, the replacing of the memory module is carried out by dismantling the memory module baffle plate.
Beneficial effect using above-mentioned further scheme is：By setting multiple interfaces, facilitate user to many camera lenses
The data transfer of oblique photograph measurement camera and debugging, while also providing upgrade interface；By setting the memory module
Baffle plate, facilitates user and the memory module is changed.
Brief description of the drawings
Fig. 1 measures the external structure schematic diagram of camera for many camera lens oblique photographs of the invention；
Fig. 2 measures the explosive view of camera for many camera lens oblique photographs of the invention；
Fig. 3 measures the hardware module figure of camera for many camera lens oblique photographs of the invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, support；2nd, camera module；3rd, switching circuit board；31st, interconnecting module；4th, process circuit plate；41st, synchronous exposure mould
Block；5th, primary function circuit plate；51st, main functional modules；6th, covered on support；61st, interface；62nd, storage module baffle plate；7th, positioning mould
Block；8th, gesture module is shot.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1-Figure 3, a kind of many camera lens oblique photograph measurement cameras of the present embodiment include：Support 1, the support
1 offers support chamber；Five camera modules 2 on the bottom surface of the support 1 are arranged on, five camera modules 2 are used to
Photographed data is gathered, the camera module 2 is preferably 5,000,000 pixel cmos sensor sensor assemblies, into fixation in complete machine
Angle install, each cmos sensor module is made up of cmos sensor plate and low distortion 1M pixel camera lenses；Taken the photograph described in five
Shadow module 2 includes a vertical photography module and four oblique photograph modules；The vertical photography module is located at the support 1
Bottom surface in the middle part of, four oblique photograph modules respectively positioned at the support 1 bottom surface corner；Each oblique photograph
The primary optical axis of module is tilted towards the location deflection where an adjacent oblique photograph module described in any two
The primary optical axis of camera module is not parallel；Interconnecting module 31, for entering to the photographed data that five camera modules 2 are gathered
Row is integrated, during use, and the interconnecting module 31 carries out signal for the photographed data that five camera modules 2 are gathered
Switching, to realize that the camera module is docked with the good of the processing module；Processing module, the signal of the processing module is defeated
Enter end and the signal output part of the interconnecting module 31 is communicated to connect, for 5 tunnels to be passed through with the photography that signal converting is handled
Data are handled and form view data；Synchronous exposure module 41, generates unified row field signal and controls to take the photograph described in five
The synchronous exposure of shadow module 2；In the present invention, the interconnecting module 31 and the synchronous exposure module 41 are integrated in fpga chip；
Display interface, the signal output part of the display interface and the processing module is communicated to connect, for showing on high-clear display
Show realtime graphic；The signal output part of the display interface is connected with high definition display device, by human-computer interaction interface to institute
The parameter for stating camera module is configured；In the present invention, using MicroHdmi interfaces, 1080P60 image is exported；The function of tonic chord
Module 51, for described image insertion of data into data information, the signal output part of the processing module and the function of tonic chord mould
The signal input part communication connection of block 51；Memory module, for being stored to the described image data for inserting data message；Institute
State interconnecting module 31, the processing module, the synchronous exposure module 41, the main functional modules 51 and the memory module
Positioned at the support intracavitary.Wherein, the interconnecting module 31 is integrated on switching circuit board 3, the processing module and described
Synchronous exposure module 41 is integrated on process circuit plate 4, and the main functional modules 51 and the memory module are integrated in main work(
On energy circuit board 5.
Relative to prior art, the present invention is by setting synchronous exposure module 41, it is ensured that the exposure one of multiple camera modules 2
Cause property；By setting the interconnecting module 31, the processing module and the main functional modules 51, the concentration of data is realized
Storage, simplifies later data and arranges.
In the present invention, processing of the processing module to the photographed data after integration includes：Interpolation processing, black level
Correction, gamma correction, AWB and noise reduction process.During use, the photography that each camera module 2 is gathered
Data give the process circuit plate 4 by lvds interfaces 61 with 15fps/s speed.The LVDS of the processing module
RECEIVE is unstringed part to data and (in the present invention, in order to reduce the number of signals connected between chip, makes design more
It is stable and simple, data are generally transmitted using universal serial bus) after, from the photography gathered of each camera module 2
5 frames are uniformly taken in data, and (each cmos sensor module output 15 frames/second, each camera module 2 is at interval of 2
Frame retains 1 frame, and the output of the single cmos sensor module is exactly that the cmos sensor module of 5 frames/second, i.e., five is closed
It is exactly 25 frames/second) formed after 25fps/s data flow, carry out the interpolation processing of image, black-level correction, gamma correction, from
(process step of above-mentioned process circuit plate 4 is serial execution, advanced row interpolation processing, then is carried out black for dynamic white balance, noise reduction process
Level correction, Gamma correction, then carry out AWB and noise reduction process), the photographed data is converted into view data.
Beneficial effect using above-mentioned processing scheme is：Pass through the processing to the photographed data, on the one hand, make design more stablize and
Simply；On the other hand, the photographed data is optimized.
In the present invention, the synchronous exposure module 41 controls five by carrying out frequency dividing generation row field signal to same crystal oscillator
The camera module 2 is synchronous to expose.During use, each cmos sensor module works in slave pattern, uniformly connects
It is connected on the process circuit plate 4, unified sensor main clock, sensor row signal and field letter is generated using local crystal oscillator
Number, 5 parts are copied into, 5 cmos sensor modules are given respectively by 5 flip-flop elements.This Exposure mode, due to
1 tunnel synchronizing signal is copied as into 5 road signals inside fpga chip, CMOS is passed to finally by FPC winding displacements.Therefore finally not
The synchronizing signal delay received with CMOS is minimum.
Trcv=Tfpc+Tasic is the other delay of picosecond.
Tfpc is that electric signal is transmitted in device interior by winding displacement, the transmission delay that different winding displacement length are brought, due to electricity
Signal speed is the light velocity, therefore the delay is that picosecond is other
Tasic is that the wiring for the FPGA ports that FPGA connects the signal of synchronous maker is delayed, and this delay can be recognized
To be 0, therefore in the absence of any error and delay.
Beneficial effect using above-mentioned further scheme is：After to same crystal oscillator by frequency dividing, the row of one group of generation
Field signal, for controlling multiple camera modules 2 to synchronize exposure, the above method is simple and easy to apply, and control reliability is higher.
In the present invention, the data message includes：Aperture information and focus information that the camera module 2 is provided；
Date-time information, resolution information and device name information that the main functional modules 51 are provided；The processing module
The exposure information and gain information provided；Many camera lens oblique photograph measurement cameras also include locating module 7, for obtaining
Take geographical location information；The data message includes the geographical location information that the locating module 7 is provided；Many mirrors
The photogrammetric camera of head tilt also includes shooting gesture module 8, the shooting attitude information for obtaining the camera module 2；Institute
State the three-dimensional space for shooting three dimensions acceleration information and the camera module 2 of the attitude information including the camera module 2
Between angular velocity information, the data message includes the three dimensions of the camera module 2 that the shooting gesture module 8 is provided
The three dimensions angular velocity information of acceleration information and the camera module 2.
The present invention in use, to described image insertion of data into data information (insert EXIF mark).Inserted
Data message be a kind of image file format, data storage and described image data (jpeg format) lattice of the data message
Formula is identical.The data message actually inserted is exactly to insert described image number in described image data header
According to relevant information, including aperture information, focus information, date-time information, resolution information, device name information, exposure
Information, gain information, geographical location information, the three dimensions acceleration information and the camera module 2 of the camera module 2
Three dimensions angular velocity information.The primary function circuit plate 5 receives every five pictures, first by this five cachings to DRAM
In (i.e. DDR internal memories, the present invention preferably DDR3RAM), the exposure of photo is then obtained from the processing module respectively
Information and the gain information, the geographical location information is obtained by UART from the locating module 7, by UART from institute
State in shooting gesture module 8 and obtain the shooting attitude information.Simultaneously by the information of some fixations, such as resolution information, set
Standby name information etc. is integrated.Form according to regulation is write in the head file of described image data.In solid state hard disc,
Specific document directory structure is set up, can easily be exported.Main functional modules 51 are carried out with solid state hard disc by SATAII
Read-write operation.The present invention was generated to include respectively in a file, each file and taken the photograph described in 5 when capturing every 5 minutes
Picture (jpeg format) is stored under the corresponding catalogue of shadow module 2, each catalogue, title is with " during event number-shooting event date
The form record of fraction second-device number-channel number ".
Beneficial effect using above-mentioned further scheme is：The information that is there is provided by the camera module 2, the main work(
The information that is there is provided of the information that is provided of module 51, the locating module 7 and described it can shoot what gesture module 8 was provided
Information, facilitates user for the unified coding of view data progress and management, facilitates the export of view data；It is simultaneously convenient
The data processing in later stage.
Further, many camera lens oblique photographs measurement camera also includes lid 6 on lid 6 on support, the support and covers institute
State and offer multiple interfaces 61 on the top surface of support 1, the support on lid 6, the plurality of interface 61 include RJ45 network interfaces,
I/O triggerings mouth, serial ports, MSATA interfaces, Micro HDMIs, RGMII interfaces and USB interface, for being tilted to many camera lenses
The data transfer of photogrammetric camera and debugging, the real-time display of video data, the display of human-computer interaction interface, jpeg data
The various functions such as the data download that the display of jpeg data, user pass through FTP in the storage, MASTA in MSATAT；The branch
Lid 6 is provided with memory module baffle plate 62 on frame, and the replacing of the memory module is carried out by dismantling the memory module baffle plate 62.
During use, user connects the interface 61 by USB flash disk and carries out system upgrade, and the interface 61 can also be connected by netting twine
And computer is upgraded.
Beneficial effect using above-mentioned further scheme is：By setting multiple interfaces 61, facilitate user to many mirrors
The data transfer of the photogrammetric camera of head tilt and debugging, while also providing upgrade interface 61；By setting the storage
Module baffle plate 62, facilitates user and the memory module is changed.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of many camera lens oblique photograph measurement cameras, it is characterised in that including：
There is support chamber in support (1), the support (1)；
Camera module (2) for gathering photographed data, the camera module (2) includes a vertical photography module and four
Oblique photograph module；The vertical photography module is located in the middle part of the bottom surface of the support (1), four oblique photograph modules point
Not Wei Yu the support (1) bottom surface corner；The primary optical axis of each oblique photograph module is towards an adjacent institute
The location deflection where oblique photograph module is stated, and the primary optical axis of oblique photograph module described in any two is not parallel；
Interconnecting module (31), the signal input part of the interconnecting module (31) leads to the signal output part of the camera module (2)
Letter connection, the photographed data for being gathered to the camera module (2) carries out signal converting；
Processing module, the signal output part of the signal input part of the processing module and the interconnecting module (31) is communicated to connect,
For being handled the photographed data that 5 tunnels are handled by signal converting and forming view data；
Synchronous exposure module (41), the synchronous exposure module (41) communicates to connect with the camera module (2), for generating system
One row field signal simultaneously controls the camera module (2) synchronously exposure；
Display interface, the signal output part of the display interface and the processing module is communicated to connect, for showing described image
Data；The signal output part of the display interface is connected with high definition display device, by human-computer interaction interface to the photography mould
The parameter of block is configured；
Main functional modules (51), the signal input part of the main functional modules (51) and the output end communication link of the processing module
Connect, for described image insertion of data into data information；
Memory module, the input of the memory module is communicated to connect with the main functional modules (51), for insertion data
The described image data of information are stored；
The interconnecting module (31), the processing module, the synchronous exposure module (41), the main functional modules (51) and
The memory module is respectively positioned on the support intracavitary.
2. a kind of many camera lens oblique photographs measure camera according to claim 1, it is characterised in that each camera module
(2) camera lens and photoelectric sensor are included, the camera lens is used to gather optical signal, and the photoelectric sensor is used for the light
Signal is converted into the photographed data of electrical signal form.
3. a kind of many camera lens oblique photographs measure camera according to claim 1, it is characterised in that the processing module is to whole
The processing of the photographed data after conjunction includes：Interpolation processing, black-level correction, gamma correction, AWB and noise reduction
Processing.
4. a kind of many camera lens oblique photographs measure camera according to claim 1, it is characterised in that the synchronous exposure module
(41) camera module (2) is controlled synchronously to expose by carrying out frequency dividing generation row field signal to same crystal oscillator.
5. a kind of many camera lens oblique photographs measure camera according to claim 1, it is characterised in that the data packets
Include：Aperture information, shutter information, white balance information and focus information that the camera module (2) is provided；The function of tonic chord
Date-time information, resolution information and device name information that module (51) is provided；And the processing module is provided
Exposure information and gain information.
6. a kind of many camera lens oblique photographs measure camera according to claim 1, it is characterised in that also including locating module
(7), for obtaining geographical location information；The signal output part of the locating module (7) is defeated with the main functional modules (51)
Enter end communication connection, for inserting geographical location information to described image data.
7. a kind of many camera lens oblique photographs measure camera according to claim 1, it is characterised in that also including shooting posture mould
Block (8), the shooting attitude information for obtaining the camera module (2)；It is described shoot gesture module (8) signal output part with
The input communication connection of the main functional modules (51), for shooting attitude information to the insertion of described image data.
8. measure camera according to a kind of any one of claim 1-7 many camera lens oblique photographs, it is characterised in that also including branch
(6) are covered on frame, lid (6) covers and offers multiple connect on lid (6) on the top surface of the support (1), the support on the support
Many camera lens oblique photographs are measured data transfer and the debugging of camera for realizing by mouth (61)；(6) are covered on the support to set
There is memory module baffle plate (62), the replacing of the memory module is carried out by dismantling the memory module baffle plate (62).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710507294.0A CN107289912A (en) | 2017-06-28 | 2017-06-28 | A kind of many camera lens oblique photograph measurement cameras |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710507294.0A CN107289912A (en) | 2017-06-28 | 2017-06-28 | A kind of many camera lens oblique photograph measurement cameras |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108160526A (en) * | 2017-12-25 | 2018-06-15 | 合肥安晶龙电子股份有限公司 | Color selector camera |
| CN108933901A (en) * | 2018-09-20 | 2018-12-04 | 陕西土豆数据科技有限公司 | A kind of exposure algorithm based on oblique photograph camera |
| CN109436356A (en) * | 2018-12-14 | 2019-03-08 | 广州建通测绘地理信息技术股份有限公司 | Five camera oblique photograph measuring system mounting devices |
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| CN103338334A (en) * | 2013-07-17 | 2013-10-02 | 中测新图(北京)遥感技术有限责任公司 | System and method for controlling multi-cameral digital aerial photographic camera synchronous exposure |
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| JP2005345341A (en) * | 2004-06-04 | 2005-12-15 | Pentax Corp | Photogrammetry system handling digital data |
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