CN101726732A - Miniature multi-modal remote sensing imaging system - Google Patents
Miniature multi-modal remote sensing imaging system Download PDFInfo
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- CN101726732A CN101726732A CN200910242627A CN200910242627A CN101726732A CN 101726732 A CN101726732 A CN 101726732A CN 200910242627 A CN200910242627 A CN 200910242627A CN 200910242627 A CN200910242627 A CN 200910242627A CN 101726732 A CN101726732 A CN 101726732A
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Abstract
The invention discloses a miniature multi-modal remote sensing imaging system, which consists of an image data acquisition part, an image data transmission part, a flight attitude control part and a data storage and control part, which can be flexibly arranged according to a space. The image data acquisition part consists of an image data acquisition device and a power supply device; the image data transmission part consists of four data transmission lines; the flight attitude control part consists of a set of MTI-G attitude control system; and the data storage and control part consists of an industrial control computer and a power supply device. The miniature multi-modal remote sensing imaging system has scientific conception and simple structure, overcomes the defect that the conventional large remote sensing system has high construction cost, large volume, heavy weight, low resolution ratio and poor timeliness, can be carried on an airplane, an airship, an unmanned plane or an unmanned airship to flexibly acquire high-resolution remote sensing data in real time, and has high practical value and application perspective in the fields of physical geography system technology and remote sensing.
Description
(1) technical field
The present invention relates to a kind of miniature multi-modal remote sensing imaging system in the geography research, it is used for the field and obtains ground atural object image data in a big way, belongs to physical geography systems technology field.
(2) background technology
Remote sensing is applied to every field more and more widely as a kind of macroscopic view, quick, true, the objective effective means of obtaining earth surface information, and its importance also progressively gets the nod.Present sensor mainly can carry on two kinds of platforms, i.e. space platform and aviation platform.Space platform mainly is based on satellite, and the sensor of lift-launch mainly contains following shortcoming: the influence that the lead time is long, instrument maximizes, involve great expense, operating cost height, imaging are subjected to air quality easily and meteorological condition effect, ground resolution are relatively low, can not accomplish quasi real time, imaging is subjected to earth curvature is big etc.The aviation platform mainly contains aircraft, dirigible, sounding balloon etc.The a recent period of time, because various sensors develop towards directions such as miniaturization, precise treatment, electronic imagings, make the remote sensing technology based on unmanned plane and unmanned airship obtain very fast development, this mainly has benefited from them and has following advantage: cost is low, the lead time is short, security performance good, light be convenient to transportation and carry, simple to operation, the high distortion of image resolution ratio is little, real-time is good etc.In view of above advantages, be used widely in fields such as earthquake relief work, environmental monitorings at unmanned plane and unmanned airship recent years, and received good effect.
Because but the charge capacity of unmanned aerial vehicle and unmanned airship and usage space are limited, this has just proposed requirement to the weight and volume that carries various sensors thereon.How under the prerequisite of control remote sensing system weight, volume and cost, to guarantee that the performance of remote sensing system becomes the right problem of instruments design person's demand side.The solution that appears as this problem of CCD (Charge Coupled Device (CCD), Charge Coupled Device) imaging technique provides a kind of effective and efficient manner.The resolution of the CCD face battle array imaging device of miniaturization can reach 1,000,000, millions pixel or higher, possessed the ability that the airborne remote sensing field obtains high-resolution earth observation image data that applies to.We this cover multi-modal remote sensing imaging system just is being based on a kind of small-sized, light-duty, the high resolving power, low-power consumption of above these problems exploitations, multi-modal multi-optical spectrum imaging system.
(3) summary of the invention
(1) purpose:
The purpose of this invention is to provide a kind of miniature multi-modal remote sensing imaging system, it has overcome existing large-scale remote sensing system cost height, volume is big, quality is heavy, resolution is low, deficiencies such as poor in timeliness, can carry at aircraft or dirigible, particularly on unmanned plane and the unmanned airship, obtain the high-definition remote sensing data in real time, neatly.
(2) technical scheme
A kind of miniature multi-modal remote sensing imaging system of the present invention, this system is made up of four parts: they are image data acquiring part, image data transmission part, flight attitude control section and data storage and control section (see figure 1).
Described image data acquiring part (see figure 2) is to be made of image data acquiring equipment (seeing Fig. 3, Fig. 4) and power-supply unit.Relative position between them can be placed flexibly according to the space.Annexation between the two is: power-supply unit is connected by one one power supply interface that changes camera body rear end on four power lead and the image data acquiring equipment, simultaneously camera is powered.This image data acquiring equipment is made of Basler scA1400-17gm camera (following abbreviation camera), camera lens, square aluminum alloy frame, optical filter adapter ring, the optional optical filter of wave band; Camera lens one termination camera body front end, another termination optical filter adapter ring rear end, the optical filter adapter ring comprises two parts, promptly adapter ring bowl and annular pressure ring connect by accurate thread between two parts; Optical filter is stuck in middle by the adapter ring bowl of optical filter adapter ring and annular pressure ring two parts; The thread of camera by the side divides two row's secured in parallel to the aluminium alloy frame on the inwall with screw; Camera can obtain to strict synchronism the image of different-waveband by the triggering of in house software control or outer synchronous signal.This power-supply unit is the accumulator of 12V or the power supply behind the process interchange commentaries on classics direct current;
Described image data transmission part mainly is to be made of four single data transmission lines (kilomega network netting twine), one end of four transmission lines is connected with the netting twine interface of camera rear end by the netting twine interface, four transmission line other ends merge the back by a parallel port and are connected with the parallel port of control section with data storage, in data storage and control section inside, the parallel port is connected with four network interface cards respectively.
Described flight attitude control section (see figure 6) mainly is to be made of a cover MTI-G attitude control system.It comprises MTI-G antenna and MTI-G main equipment two parts, connect by data line between two parts, the MTI-G main equipment is connected with industrial computer by an other data lines, attitude data is passed to computer show or preserve, and this connecting line can also be the MTI-G power supply by computer in addition.MTI-G main equipment inner integrated GPS (GPS), Inertial Measurement Unit (InertialMeasurement Unit IMU), magnetometer (Magnetometer) and static pressure instrument (Static pressure), it is that a comprehensive attitude is controlled and disposal system; The MTI-G antenna is a GPS (GPS) receiving antenna, is responsible for receiving gps signal.
Described data storage and control section (see figure 8) are to be made of an industrial control computer (hereinafter to be referred as industrial computer) and power-supply device.This power-supply device is connected with industrial computer by a two-phase power supply line.This Process Control Machine Case adopts steel construction, and the ability of higher antimagnetic, dustproof, protecting against shock is arranged; Special-purpose base plate is arranged in the cabinet, 4 PCI slots are arranged on the base plate, insert four camera data capture cards; Special power supply is arranged in the cabinet, and power supply has stronger antijamming capability; The industrial computer volume is little, in light weight to be easy to carry, and concrete parameter sees Table 1, shown in the table 2.This power-supply device is the power supply after 24V accumulator or process exchange the commentaries on classics direct current.
Wherein, the quantity of this Basler scA1400-17gm camera is 4;
Wherein, the quantity of this camera lens is 4;
Wherein, the quantity of this optical filter adapter ring is 4;
Wherein, the quantity of this optical filter is 4;
Wherein, the quantity of this square aluminum alloy frame is 1.
(3) advantage and effect
A kind of miniature multi-modal remote sensing imaging system of the present invention, this concept of system science, simple in structure, make easily, cheap, be easy to carry.It has guaranteed the fixing of four camera relative position relations, the parallel and synchronous imaging of optical axis preferably; Geometrical registration is convenient, and guarantees to obtain the information of same atural object synchronization different-waveband; Be convenient for changing optical filter, satisfy the demand of different application; The imaging parameters of four cameras (time shutter, gain) can be implemented to adjust, and guarantees to obtain under the different atural object different illumination conditions image of high s/n ratio; By having eliminated after the radiation calibration experiment because the difference of the different different radiances that cause of camera with optical filter; Obtain the posture position information of camera synchronously, can carry out the geometry correction of general precision, satisfy the demand of general utilization, also can proofread and correct, for image mosaic provides good basis for the precise geometrical of image to image.Can be used in and take photo by plane over the ground and quantitative remote sensing field over the ground.
(4) description of drawings
Fig. 1 general structure synoptic diagram of the present invention
Fig. 2 image data acquiring part schematic perspective view
Fig. 3 image data acquiring equipment schematical top view
Fig. 4 image data acquiring equipment side plan view
Fig. 5 camera plane synoptic diagram
Fig. 6 MTI-G synoptic diagram
Fig. 7 MTI-G and aluminum alloy frame relative position synoptic diagram
Fig. 8 data storage and control section synoptic diagram
Symbol description is as follows among the figure:
1 image data acquiring equipment; The 212V power-supply unit; 3 one change four power leads; 4 aluminum alloy frames; 5Basler scA1400-17gm camera; 6 data acquisition equipment fixed heads; 7 camera power supply line interfaces; 8 camera data transmission line interfaces; 9 camera lens; 10 optical filter adapter rings; 11 camera bodies; 12 optical filters; 13 camera fixed screws; 14 camera adjusting fixed screws; The 15MTI-G main equipment; The 16MTI-G antenna; The 17MTI-G data line interface; The 18MTI-G antennal interface; 19 24V power-supply devices; 20 industrial computers; 21 24V power leads; 22 parallel ports
(5) embodiment
As shown in Figure 1, a kind of miniature multi-modal remote sensing imaging system of the present invention is by the image data acquiring part, and image data transmission part, flight attitude control section and data storage and control section are formed.
Described image data acquiring comprises that partly image data acquiring equipment 1 (see figure 2) and 12V power-supply unit 2 constitute, and both positions do not have rigid restriction, can settle according to the platform space flexible in size.12V power-supply unit 2 changes four power leads 3 by one one and is connected also power supply for it with image data acquiring equipment 1.Image data acquiring equipment 1 outside is a square aluminum alloy frame 4, four Basler scA1400-17gm cameras 5 (following abbreviation camera 5) (see figure 5) is by 13 minutes two rows of camera fixed screw of side, be fixed on abreast on the inwall of aluminum alloy frame 4, the outside of aluminum alloy frame 4 over against both sides two data acquisition equipment fixed heads 6 are arranged, be used for a data acquisition equipment 1 to be fixed on certain platform.Each camera 5 is by camera body 11, camera lens 9, and optical filter adapter ring 10, optical filter 12 are formed.There are two interfaces camera body 11 rear ends: camera power supply line interface 7 and data transmission line interface 8, camera power supply line interface 7 connects 12V power-supply unit 2, and camera data transmission line interface 8 is exported to data storage and control section (see figure 1) with the view data that collects by data line.Camera body 11 front ends are that accurate thread is used for being connected with camera lens 9 rear end threads, and camera lens 9 front inner wall have thread, are used for being connected with the thread of optical filter adapter ring 10 rear end outer walls.Optical filter adapter ring 10 is made of two parts: adapter ring bowl and annular pressure ring, connect by accurate thread between two parts, and optical filter 12 is stuck between adapter ring bowl and annular pressure ring two parts.12V power-supply unit 2 can be that the 12V accumulator also can be via the power supply behind the interchange commentaries on classics direct current.
Described image data transmission part mainly is made up of four single data transmission lines (kilomega network netting twine), and data line connects camera 5 one terminations crystal head, is connected with the camera data transmission line interface 8 of four camera 5 rear ends respectively.It is to be connected with a parallel port 22 by certain winding displacement order with control section one end that data line connects data storage, is connected to the Data Input Interface of data storage and control section by parallel port 22.
Described flight attitude control section (see figure 6) is made of the MTI-G attitude control system, and it comprises MTI-G antenna 16 and MTI-G main equipment 15.MTI-G antenna 16 receives signal with antenna and passes to MTI-G main equipment 15 by the MTI-G antennal interface 18 on the data lines connection MTI-G main equipment 15.MTI-G main equipment 15 is fixed on the aluminum alloy frame 4 of image data acquiring equipment 1 by a support, the positive center in space between two row's cameras, the installation that neither influences camera data transmission line and 12V power lead 2 is positioned at (see figure 7) on the perpendicular line with the geometric center of aluminum alloy frame 4 again, guarantees the attitude information of camera 5 when effective recording image data collecting device 1 obtains view data.The X-direction that MTI-G main equipment 15 is indicated will be consistent with the working direction of aircraft.MTI-G antenna 16 should be placed in the interior unscreened place of zenith angle 45 degree scopes on the aircraft, is no less than gps signal 4 gps satellites, stable to guarantee to receive.Part of attitude control is connected with industrial computer 20 by 17 dedicated data line that connect MTI-G data line interface on the MTI-G main equipment 15, and attitude data is passed to industrial computer 20, and obtains the power supply guarantee from computer.
Described data storage and control section (see figure 8), it contains industrial computer 20 and 24V power-supply device 19, and industrial computer 20 is connected by a 24V power lead 21 with the 24V power-supply device.Industrial computer 20 cabinets adopt steel construction, and the ability of higher antimagnetic, dustproof, protecting against shock is arranged; Have in the cabinet and grind special-purpose mainboard and the base plate that China produces, 4 PCI slots are arranged on the base plate, insert four camera data capture cards, be connected with tcp data segment by parallel port 22, four capture cards receive the view data that four cameras 5 collect respectively, and view data are passed to storer preserve; Power source special is arranged in the cabinet, and power supply has stronger antijamming capability; Industrial computer 20 volumes are little, in light weight to be easy to carry, and concrete parameter sees Table 1, shown in the table 2.The 24V power-supply device 19 of industrial computer 20 can be the accumulator of 24V or via the power supply that exchange to change behind the direct current.
The configuration of table 1 industrial computer is single
Table 2 mainboard detailed technology performance table
Claims (8)
1. miniature multi-modal remote sensing imaging system is characterized in that: this system is made up of four parts: they be image data acquiring part, image data transmission partly, flight attitude control section and data storage and control section; Relative position between them can be placed flexibly according to the space;
Described image data acquiring partly is to be made of image data acquiring equipment and power-supply unit; Annexation between the two is: power-supply unit is connected by one one power supply interface that changes camera body rear end on four power lead and the image data acquiring equipment, simultaneously camera is powered; This image data acquiring equipment is made of Basler scA1400-17gm camera, camera lens, square aluminum alloy frame, optical filter adapter ring, the optional optical filter of wave band; Camera lens one termination camera body front end, another termination optical filter adapter ring rear end, the optical filter adapter ring comprises adapter ring bowl and annular pressure ring two parts, connects by accurate thread between two parts; Optical filter is stuck in middle by the adapter ring bowl of optical filter adapter ring and annular pressure ring two parts; The thread of camera by the side divides two row's secured in parallel to the aluminium alloy frame on the inwall with screw; Camera can obtain to strict synchronism the image of different-waveband by the triggering of in house software control or outer synchronous signal; This power-supply unit is the accumulator of 12V;
Described image data transmission part mainly is to be that the kilomega network netting twine constitutes by four single data transmission lines, one end of four transmission lines is connected with the netting twine interface of camera rear end by the netting twine interface, four transmission line other ends merge the back by a parallel port and are connected with the parallel port of control section with data storage, in data storage and control section inside, the parallel port is connected with four network interface cards respectively;
Described flight attitude control section is to be made of a cover MTI-G attitude control system, and it comprises MTI-G antenna and MTI-G main equipment two parts, connects by data line between two parts; The MTI-G main equipment is connected with industrial computer by an other data lines, attitude data is passed to computer show or preserve, and this connecting line can also be the MTI-G power supply by computer in addition; MTI-G main equipment inner integrated GPS, I Inertial Measurement Unit, magnetometer and static pressure instrument, it is comprehensive an attitude control and a disposal system; The MTI-G antenna is a Globle positioning system receiving antenna, is responsible for receiving gps signal;
Described data storage and control section are to be made of an industrial control computer and power-supply device; This power-supply device is connected with industrial computer by a two-phase power supply line; This Process Control Machine Case adopts steel construction; Special-purpose base plate is arranged in the cabinet, and base plate is provided with 4 slots inserting four camera data capture cards; Special power supply than strong anti-interference ability is arranged in the cabinet; This power-supply device is the 24V accumulator.
2. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: the quantity of this BaslerscA1400-17gm camera is 4.
3. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: the quantity of this camera lens is 4.
4. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: the quantity of this optical filter adapter ring is 4.
5. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: the quantity of this optical filter is 4.
6. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: the quantity of this square aluminum alloy frame is 1.
7. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: this power-supply unit is through the power supply behind the interchange commentaries on classics direct current.
8. a kind of miniature multi-modal remote sensing imaging system according to claim 1 is characterized in that: this power-supply device is through the power supply behind the interchange commentaries on classics direct current.
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| CN2009102426277A CN101726732B (en) | 2009-12-11 | 2009-12-11 | Miniature multi-modal remote sensing imaging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103376455A (en) * | 2012-04-23 | 2013-10-30 | 中国科学院、水利部成都山地灾害与环境研究所 | Sensor posture coordinate recording device applicable to low-altitude unpiloted remote sensing platform |
| CN103970140A (en) * | 2014-05-23 | 2014-08-06 | 北京师范大学 | Multi-angle remote sensing automatic observation system based on unmanned aerial vehicle |
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| US5604534A (en) * | 1995-05-24 | 1997-02-18 | Omni Solutions International, Ltd. | Direct digital airborne panoramic camera system and method |
| KR20030068871A (en) * | 2002-02-18 | 2003-08-25 | 서원무인기술(주) | Reconnoitering System using a Remotely Piloted Vehicle |
| CN1959343B (en) * | 2005-10-31 | 2011-02-16 | 北京师范大学 | Airborne height measurement technique of multiple angles imaging |
| CN101414009B (en) * | 2008-11-15 | 2011-03-16 | 大连海事大学 | Portable airborne offshore oil overflowing remote sense monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103376455A (en) * | 2012-04-23 | 2013-10-30 | 中国科学院、水利部成都山地灾害与环境研究所 | Sensor posture coordinate recording device applicable to low-altitude unpiloted remote sensing platform |
| CN103970140A (en) * | 2014-05-23 | 2014-08-06 | 北京师范大学 | Multi-angle remote sensing automatic observation system based on unmanned aerial vehicle |
| CN103970140B (en) * | 2014-05-23 | 2016-08-17 | 北京师范大学 | A kind of multiple-angle thinking automatic observing system based on unmanned plane |
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