CN208509116U - The airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared - Google Patents
The airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared Download PDFInfo
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- CN208509116U CN208509116U CN201820931159.9U CN201820931159U CN208509116U CN 208509116 U CN208509116 U CN 208509116U CN 201820931159 U CN201820931159 U CN 201820931159U CN 208509116 U CN208509116 U CN 208509116U
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Abstract
The airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared, there are video cabinet (203) outside video acquisition case (2), thermal camera (201) and low-light video camera (202) are installed in video cabinet (203), installation fusion casing (302) outside fusion treatment machine (3), fusion casing (302) is interior to install FPGA development board (301)；Video acquisition case (2) is connected to fusion treatment machine (3) and the multi-functional dedicated display of MFD (4) simultaneously, while fusion treatment machine (3) is connected to the multi-functional dedicated display of MFD (4).Using the modularization whole design of low-light and infrared fusion, promote pilot's vision and obstacle sensing capability, enough environmental informations especially are provided for pilot under low-light (level) and low visibility, equipment volume is small, light-weight, and airborne observation detecting interacting goals distance is greater than 5km.Visual effect enhancing 50%.
Description
Technical field
The utility model relates to the structure improved technologies of the airborne observation detection equipment of air equipment, belong to, are based especially on
It is infrared to merge the airborne vision enhancement system far seen with the double originals of low-light.
Background technique
The airborne vision enhancement system of AVES is widely used in aviation field to improve in such as environment such as night flight, thick fog or the cloud of dust
Flight safety under class low-light (level) low visibility.
Single original AVES has possessed mature product but has still remained respective limitation, it is seen that light technology can be shown in
It spends higher daytime and promotes visual range.Low light technology can be seen at a distance under the conditions of low-light (level) and higher visibility
It surveys.But under the more environment of thick fog or the cloud of dust, needs to carry out algorithm compensation and carry out improving image quality.Infrared temperature induction technology
Then without line-of-sight requirement, but its imaging edge line is poor, is only able to display profile substantially.Single source AVES is due to respectively using technology
The characteristics of, there is limitation in use, is not able to satisfy multifarious environmental change.
Utility model content
The purpose of the utility model is to provide merge the airborne vision enhancement system far seen with the double originals of low-light based on infrared
System, to solve the above technical problems.
The purpose of this utility model will be realized by following technical measures: including body, video acquisition case, infrared photography
Machine, low-light video camera, video cabinet, fusion treatment machine, FPGA development board, fusion casing and the multi-functional dedicated display of MFD；Machine
Video acquisition case, fusion treatment machine and MFD multi-functional dedicated display are installed on body；Wherein, there is video outside video acquisition case
Cabinet is equipped with thermal camera and low-light video camera in video cabinet, installation fusion casing, fusion outside fusion treatment machine
FPGA development board is installed in casing；Video acquisition case is connected to fusion treatment machine and the multi-functional dedicated display of MFD simultaneously, simultaneously
Fusion treatment machine is connected to the multi-functional dedicated display of MFD.
Especially, thermal camera and the pick-up lens of low-light video camera are mounted on side by side on video cabinet exterior.
Especially, industrial personal computer or Embedded Processor are installed on fusion treatment machine.
Especially, fusion treatment machine length, width and height are not more than 30 × 20 × 20 (cm).
Especially, to be equipped with video input interface, video output interface, VGA on the fusion casing of fusion treatment machine defeated
Terminal and HDMI output terminal out, on the one hand connection memory DDR2, one side connect arm processor to FPGA development board, meanwhile,
FPGA development board and arm processor are also respectively connected with TW2867, SAA7171, ADV7123 and SIL9134 simultaneously；Moreover, view
Frequency input interface accesses FPGA development board by TW2867, and respectively correspondence is separately connected by SAA7171, ADV7123 and SIL9134
To video output interface, VGA output terminal and HDMI output terminal.
The advantages of the utility model and effect: using the modularization whole design of low-light and infrared fusion, pilot is promoted
Vision and obstacle sensing capability especially provide enough environmental informations under low-light (level) and low visibility for pilot, by more
Function display is differentiated and identifies main terrain objective, reduce flight hit and land again etc. dangerous.Equipment volume is small, weight
Gently, airborne observation detecting interacting goals distance is greater than 5km.Visual effect enhancing 50%.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of the utility model embodiment.
Fig. 2 is fusion treatment machine and FPGA development board frame diagram in the utility model embodiment 1
Appended drawing reference includes:
Body 1, video acquisition case 2, thermal camera 201, low-light video camera 202, video cabinet 203, fusion treatment machine
3, FPGA development board 301, video input interface 3011, video output interface 3012, VGA output terminal 3013, HDMI output end
Son 3014, fusion casing 302, the multi-functional dedicated display 4 of MFD, carrier aircraft 5.
Specific embodiment
The utility model principle is that single source AVES is under low-light (level), low-visibility conditions, and adaptability is not strong, and use is micro-
The technology of light and infrared fusion is equipped with using the Infravision of low-light video camera and the low-light (level) sensing capability of thermal camera
Optimization algorithm, to solve the deficiency of list source AVES.
The utility model includes: body 1, video acquisition case 2, thermal camera 201, low-light video camera 202, video cabinet
203, fusion treatment machine 3, FPGA development board 301, fusion casing 302 and the multi-functional dedicated display 4 of MFD.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1: it is multi-functional dedicated that video acquisition case 2, fusion treatment machine 3 and MFD are installed as shown in Fig. 1, on body 1
Display 4；Wherein, there is video cabinet 203 outside video acquisition case 2, thermal camera 201 is installed in video cabinet 203
With low-light video camera 202, installation fusion casing 302 outside fusion treatment machine 3 installs FPGA development board in fusion casing 302
301；Video acquisition case 2 is connected to fusion treatment machine 3 and the multi-functional dedicated display 4 of MFD simultaneously, while fusion treatment machine 3 connects
It is connected to the multi-functional dedicated display 4 of MFD.
In aforementioned, the pick-up lens of thermal camera 201 and low-light video camera 202 is mounted on side by side outside video cabinet 203
On wall.
In aforementioned, industrial personal computer or Embedded Processor are installed on fusion treatment machine 3.
In aforementioned, 3 length, width and height of fusion treatment machine are not more than 30 × 20 × 20 (cm).
In aforementioned, as shown in Fig. 2, video input interface is installed on the fusion casing 302 of fusion treatment machine 3
3011, video output interface 3012, VGA output terminal 3013 and HDMI output terminal 3014,301 one side of FPGA development board connect
Memory DDR2 is met, arm processor is on the one hand connected, meanwhile, FPGA development board 301 is also respectively connected with simultaneously with arm processor
TW2867, SAA7171, ADV7123 and SIL9134；It is developed moreover, video input interface 3011 accesses FPGA by TW2867
Plate 301, respectively correspondence is connected respectively to video output interface 3012, VGA output end by SAA7171, ADV7123 and SIL9134
3013 and HDMI of son output terminal 3014.
In the utility model embodiment, composition total system equipment body 1 includes three parts: i.e. video acquisition case 2, fusion
Processor 3 and the multi-functional dedicated display 4 of MFD；Body 1 is mounted in air equipment carrier aircraft 5, in which:
Video acquisition case 2 is made of thermal camera 201, low-light video camera 202 and 203 physical enclosure of video cabinet, to the greatest extent
It may make acquired image position consistency, making that treated, target image is accurate.
FPGA development board 301 is installed, installation fusion casing 302 in outside passes through connecting cable and other in fusion treatment machine 3
Part is connected, and carries out data communication.Wherein, FPGA development board 301 supports software systems work.
The multi-functional dedicated display 4 of MFD shows target scene, and realizes amplification, the functions such as rotation.
In the utility model embodiment, each module relationship of system includes: video acquisition case 2 while being connected to fusion treatment machine
The multi-functional dedicated display 4 of 3 and MFD, moreover, fusion treatment machine 3 is also connected to the multi-functional dedicated display 4 of MFD, further
, carrier aircraft 5 is connected to by the multi-functional dedicated display 4 of MFD.
In the utility model embodiment, FPGA (Field-Programmable Gate Array) development board 301 is that is, existing
Field programmable gate array, it is the product further developed on the basis of the programming devices such as PAL, GAL, CPLD.It is to make
Occur for one of field specific integrated circuit (ASIC) semi-custom circuit, has not only overcome the deficiency of custom circuit, but also
Overcome the limited disadvantage of original programming device gate circuit number.
In the utility model embodiment, 2 principle of work and power of video acquisition case are as follows: thermal camera 201 acquires field of regard
Infrared image simultaneously exports infrared image signal, and at the same time, low-light video camera 202 acquires twilight image to field of regard and exports
Twilight image signal.
In the utility model embodiment, 3 image co-registration basic principle of fusion treatment machine includes being adopted by thermal camera 201
Collection infrared image inputs fusion treatment machine 3 by video acquisition case 2 and obtains infrared-filtered image by filter background, further
, then input fusion treatment machine 3 by video acquisition case 2 with the twilight image acquired by low-light video camera 202 and handle
To blending image.
In the utility model embodiment, total system equipment the key technical indexes:
1) physical angle；
Equipment volume is small, light-weight, after advanced optimizing for different aircrafts, can be equipped with all kinds of helicopters and choose to install
Other low latitude all purpose aircrafts.
2) operating distance；
Airborne observation detecting interacting goals distance is greater than 5km.
3) imaging effect；
Visual effect is than enhancing 50% when non-fusion treatment.
4) environmental condition；
(1) operating temperature: 0 DEG C~40 DEG C.
(2) working environment；Work when round-the-clock, complete empty, anti-sunlight is burnt, no matter daytime, night, can pass through cigarette
Mist, dust, misty rain.
5) maintainability；Each subsystem of AVES and its parts have maintenanceability.
6) safety；AVES meets to aircraft and to the safety of operator, and safe design meets " electrical equipment safety
Guidance Rule ", the standards such as " the general outline of security of system ".
7) power supply；24~28VDC of airplane power source power supply, power consumption < 30W.
8) real-time；It is shown from Image Acquisition to fusion treatment to MFD image, delay≤10ms.Special item can mention
Higher index.
9) it minimizes；For fusion treatment machine 3 under the premise of meeting air standard, volume is as small as possible, and length, width and height are not more than
30×20×20(cm)。
In the utility model embodiment, hardware module passes through the photograph for reading low-light video camera 202 and thermal camera 201
Low-light photo is fully retained piece, by the way that the target object in infrared image is identified and is integrated into twilight image reality
Existing image co-registration.After 2 real-time image acquisition of video acquisition case, to image preprocessing, surrounding enviroment and barrier are restored by algorithm
Hinder image form in the multi-functional dedicated display 4 of MFD, and alarms barrier.During image co-registration, it is based on
The realization platform of the replacement software algorithm according to demand of FPGA development board 301, and realized by iteration the optimization of red algorithm with more
Newly.Wherein:
1) image for filtering thermal camera, is only left the higher part of gray scale, the i.e. relatively high image of temperature, such as people
Shape and vehicle；
2) by the image co-registration of filtered image and low-light camera head, the low frequency background and two of low-light camera head is taken
Width image respective high fdrequency component only remains high fdrequency component after infrared camera filtering.
The utility model embodiment according to project demands, is analyzed user and is required, application scenarios determine in implementation process
Fusion treatment machine 3 is using industrial personal computer or Embedded Processor.Wherein:
If fusion treatment machine 3 uses industrial personal computer, by realizing algorithm software, the lead time is short, at low cost, but at it
Reason speed is slower, and the arithmetic speed with algorithm complexity and industrial personal computer has substantial connection.
It is exactly hardware algorithm realization, such as single-chip microcontroller, ARM, FPGA if fusion treatment machine 3 uses Embedded Processor
With DSP etc..Processing speed is relatively fast, and especially DSP and FPGA realization have reached us rank.But relative cost is higher, grinds
Period processed is long.
The utility model embodiment, according to application scenarios, determine fusion treatment machine 3 and screen vasculum 2 design and
Installation site on body 1 and carrier aircraft 5: for example:
For apply helicopter, aircarrier aircraft type carrier aircraft 5 on when, fusion treatment machine 3 need to be placed in driver's cabin,
It is higher to small form factor requirements.Wherein video acquisition case 2 can generally be made into streamlined pod form.Have to mechanical outline stringent
It is required that, it is necessary to meet aviation relevant criterion.
It applies when in the carrier aircraft 5 of unmanned plane type, fusion treatment machine 3 is placed in Master Control Room, and video acquisition case 2 can be with
It is placed on unmanned plane front end.Therefore need to use air to surface wireless image transmission.
It applies on airport, fusion treatment machine 3 is placed in Master Control Room, and video acquisition case 2 is with holder and tracks and identifies
Function also can choose and be fixed on ground.
Claims (5)
1. merging the airborne vision enhancement system far seen, including body (1), video acquisition case with the double originals of low-light based on infrared
(2), thermal camera (201), low-light video camera (202), video cabinet (203), fusion treatment machine (3), FPGA development board
(301), casing (302) and the multi-functional dedicated display of MFD (4) are merged；It is characterized in that, installing video acquisition on body (1)
Case (2), fusion treatment machine (3) and the multi-functional dedicated display of MFD (4)；Wherein, there is video cabinet outside video acquisition case (2)
(203), thermal camera (201) and low-light video camera (202) are installed in video cabinet (203), fusion treatment machine (3) is outside
Portion's installation fusion casing (302), fusion casing (302) is interior to install FPGA development board (301)；Video acquisition case (2) connects simultaneously
To fusion treatment machine (3) and the multi-functional dedicated display of MFD (4), while to be connected to MFD multi-functional dedicated for fusion treatment machine (3)
Display (4).
2. the airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared as described in claim 1, it is special
Sign is that the pick-up lens of thermal camera (201) and low-light video camera (202) is mounted on video cabinet (203) outer wall side by side
On.
3. the airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared as described in claim 1, it is special
Sign is, industrial personal computer or Embedded Processor are installed on fusion treatment machine (3).
4. the airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared as described in claim 1, it is special
Sign is that fusion treatment machine (3) length, width and height are not more than 30 × 20 × 20 (cm).
5. the airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared as described in claim 1, it is special
Sign is, is equipped with video input interface (3011), video output interface on the fusion casing (302) of fusion treatment machine (3)
(3012), VGA output terminal (3013) and HDMI output terminal (3014), FPGA development board (301) on the one hand connect memory
On the one hand DDR2 connects arm processor, meanwhile, FPGA development board (301) and arm processor be also respectively connected with simultaneously TW2867,
SAA7171, ADV7123 and SIL9134；Moreover, video input interface (3011) accesses FPGA development board by TW2867
(301), and SAA7171, ADV7123 and SIL9134 are respectively corresponded to and are connected respectively to video output interface (3012), VGA
Output terminal (3013) and HDMI output terminal (3014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931159.9U CN208509116U (en) | 2018-06-14 | 2018-06-14 | The airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931159.9U CN208509116U (en) | 2018-06-14 | 2018-06-14 | The airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509116U true CN208509116U (en) | 2019-02-15 |
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ID=65286907
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820931159.9U Expired - Fee Related CN208509116U (en) | 2018-06-14 | 2018-06-14 | The airborne vision enhancement system far seen is merged with the double originals of low-light based on infrared |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208509116U (en) |
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2018
- 2018-06-14 CN CN201820931159.9U patent/CN208509116U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |