CN108717208A - A kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system and reconnaissance method - Google Patents
A kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system and reconnaissance method Download PDFInfo
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- CN108717208A CN108717208A CN201810609904.2A CN201810609904A CN108717208A CN 108717208 A CN108717208 A CN 108717208A CN 201810609904 A CN201810609904 A CN 201810609904A CN 108717208 A CN108717208 A CN 108717208A
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- ultraviolet imagery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
Abstract
The invention discloses a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance systems, including power supply and processor module, power supply and processor module are connected separately with GPS positioning module by shielding line, ultraviolet imagery device, artificial ultraviolet light source apparatus, module, wireless data transmission module and barometer are locally stored, module is locally stored to be electrically connected with ultraviolet imagery device and GPS positioning module respectively, wireless data transmission module is electrically connected with ultraviolet imagery device and GPS positioning module respectively.Its reconnaissance method is, first, ultraviolet imagery snowfield reconnaissance system is connect with unmanned plane by steering engine, using ultraviolet video camera to carrying out exhaustive in entire target area, being shot without dead angle, single frames processing is carried out to video later, it leads into single-frame images to handle by image comparison enhancing again, finds out suspicious camouflaged target.
Description
Technical field
The invention belongs to ultraviolet imagery Intelligence Technology fields, and in particular to a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield scouting
System further relates to the reconnaissance method of the system.
Background technology
Puppet is mounted in war for confusing the enemy, and as the development of war also continues to develop.In modern war,
The field of camouflage application is also more and more extensive, has become a kind of directly effective means of defensive operation.Effectively
Identify that camouflage can hit the military equipment of enemy and personnel, it is very crucial to the war situation.Therefore, in recent years, for
Different camouflages, the means for scouting camouflage are also more and more diversified.
Under the battlefield surroundings of snowfield and long-term accumulated snow, army and its weapon facility can utilize existing Condition Coverage Testing white
The camouflage cloth of color is hidden under accumulated snow, is thus almost combined together with accumulated snow, it is difficult to find.But utilize ultraviolet imagery
Technology can recognize that the white camouflaged target being on snowfield.Because the ultraviolet reflectivity of snow is usually very high, in 320nm-
360nm wave bands, reflectivity can reach 85% or more, and white is shown as on image；And ordinary white camouflage material and coating
Ultraviolet reflectivity is relatively low (usually below 10%), is shown as black gray expandable or black on the image.Therefore, ultraviolet imagery skill is utilized
The snowfield reconnaissance system of art development has detection snowfield camouflage effectiveness well.Since night does not have a solar irradiation, system is also
It can not be worked using the ultraviolet light in sunlight.This patent system provides ultraviolet source for oneself, to ensure system night normal work
Make.In this way, ultraviolet imagery snowfield reconnaissance system is just provided with the ability of all weather operations.
With the rapid development of unmanned air vehicle technique, positioning system and in-flight easy operation control, continuation of the journey and load energy
The features such as power is strong, performance is stablized is more and more extensive to be applied by people.So we take ultraviolet imagery snowfield reconnaissance system
It is downloaded on unmanned plane, can be very good the scouting for carrying out snowfield camouflaged target.
Invention content
The object of the present invention is to provide a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance systems, can be round-the-clock, accurate
Ground is scouted and finds snowfield camouflaged target.
It is a further object of the present invention to provide the reconnaissance methods of the system.
The technical solution adopted in the present invention is a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system, including power supply
And processor module, power supply and processor module are connected separately with GPS positioning module, ultraviolet imagery device, people by shielding line
Module, wireless data transmission module and barometer is locally stored in work ultraviolet light source apparatus, and module is locally stored and is filled respectively with ultraviolet imagery
It sets and is electrically connected with GPS positioning module, wireless data transmission module is electrically connected with ultraviolet imagery device and GPS positioning module respectively.
The features of the present invention also characterized in that
Artificial ultraviolet light source apparatus, including ultraviolet LED array and monochromator, ultraviolet LED array are arranged in weft and warp；
The input terminal port of each ultraviolet LED is provided with monochromator.
Ultraviolet imagery device, including ultraviolet video camera, ultraviolet camera objective front end be disposed with anti-light reflection device and
Ultraviolet filtering mirror.
The resolution ratio of ultraviolet video camera is 5472 × 3648, the ultraviolet light of the camera lens of ultraviolet video camera in 320nm-360nm
Transmitance is not less than 90%.
Power supply and processor module use Cortex-A8 type ARM development boards.
The AJ-P2M064AMC storage cards that module is 64G are locally stored；Barometrical model GY-63.
Another technical solution of the present invention is a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance method, specifically
Steps are as follows：
Step 1, ultraviolet imagery snowfield reconnaissance system is connect with unmanned plane by steering engine, using ultraviolet video camera to entire
It is shot in target area, and the camera lens of ultraviolet video camera and place plane in target area are in 60 ° of angles；
When shooting, unmanned plane is 40m~50m away from ground level, and the flying speed of unmanned plane is 3m/s~4m/s；
Step 2, after step 1, from the video information and location information for reading target area in module is locally stored, to regarding
Frequency carries out single frames processing, leads into single-frame images, later by 2 times of the setting contrast of single-frame images to original image, obtains white
The image with distinct contrast with black gray expandable, wherein white area is snowfield, and black gray expandable region is suspicious camouflaged target.
Beneficial effects of the present invention：
The system uses ultraviolet imagery technology, is handled by single frames and image comparison enhancing is handled, can clear and intuitively
Include being analyzed convenient for combatant on picture by the camouflaged target that snowfield is hidden.The system afield can accurately be known
Do not go out the camouflage equipment of enemy, there is good fighting effect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system of the present invention；
Fig. 2 is the ultraviolet imagery under solar irradiation in a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system of the present invention
Operating diagram；
Fig. 3 be in a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system of the present invention when artificial ultraviolet source works
Ultraviolet imagery operating diagram.
In figure, 1.GPS locating modules, 2. ultraviolet imagery devices, 3. artificial ultraviolet light source apparatus, 4. are locally stored module,
5. power supply and processor module, 6. wireless data transmission modules, 7. barometers.
Specific implementation mode
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system of the present invention, as shown in Figure 1, including power supply and processor die
Block 5, power supply and processor module 5 are connected separately with GPS positioning module 1, ultraviolet imagery device 2, artificial ultraviolet by shielding line
Module 4, wireless data transmission module 6 and barometer 7 is locally stored in light supply apparatus 3, and module 4 is locally stored and is filled respectively with ultraviolet imagery
2 and the electric connection of GPS positioning module 1 are set, wireless data transmission module 6 is electrical with ultraviolet imagery device 2 and GPS positioning module 1 respectively
Connection.
Artificial ultraviolet light source apparatus 3, including ultraviolet LED array and monochromator, ultraviolet LED array are arranged in weft and warp
Row；The input terminal port of each ultraviolet LED is provided with monochromator；
Ultraviolet imagery device 2, including ultraviolet video camera, ultraviolet camera objective front end be disposed with anti-light reflection device and
Ultraviolet filtering mirror；
The resolution ratio of ultraviolet video camera is 5472 × 3648, the ultraviolet light of the camera lens of ultraviolet video camera in 320nm-360nm
Transmitance is not less than 90%；
Power supply and processor module 5 use Cortex-A8 type ARM development boards；
The AJ-P2M064AMC storage cards that module 4 is 64G are locally stored；
Wireless data transmission module 6 is H7118 military project grades DTU；
The model GY-63 of barometer 7.
Snowfield is a ultraviolet high reflection environment, is directly affected by stray light to target area imaging,
Anti-light reflection device can effectively reduce the influence of stray light while can also eliminate reflective phenomenon；Ultraviolet filtering mirror is placed in ultraviolet phase
Machine object lens front end, only selection penetrates the ultraviolet light of 320nm-360nm wave bands, while also acting as the effect of protection camera lens.
Wireless data transmission module 6 is used for carrying out real-time information exchange with earth station, and airborne wireless digital transmission module 6 receives ground
The scheduled flying height of unmanned plane that data radio station is sent, flying speed, flight locations, aerial mission etc. control unmanned plane
Flight.Meanwhile wireless data transmission module 6 is by the video of shooting and GPS position information real-time Transmission to earth station, for ground staff point
Analysis.
A kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system of the present invention, concrete operating principle are：
Under the battlefield surroundings of long-term accumulated snow, ultraviolet light differs greatly to the reflectivity of accumulated snow and white dummy load, accumulated snow
White is rendered as in ultraviolet imagery, and dummy load is in then black or black gray expandable.Based on this principle, the present invention using it is ultraviolet at
Snowfield is scouted as device to pretend, and is carried on unmanned plane, in the reconnaissance system, by the ultraviolet imagery device 2 and nothing
It is man-machine to be connected by steering engine, it flies according to the flight parameter of setting.Ultraviolet video camera is ultraviolet using target area reflection
Object is imaged by light in ultraviolet band, and in the case where illumination condition allows, ultraviolet video camera utilizes the ultraviolet radioactive collected
Energy shoots target area, as shown in Fig. 2, and the camera lens of ultraviolet video camera and place plane in target area are in 60 °
Angle, to reach preferable shooting effect；If illumination condition was unsatisfactory for or in the case of night, which can be by artificial
Ultraviolet light source apparatus 3 provides the ultraviolet light of wave band needed for the shooting of ultraviolet video camera, as shown in figure 3, to ensure that reconnaissance system can be
Night works normally.Power supply and processor module 5 are passed information in shooting process, meanwhile, GPS positioning module 1 is for surveying
Longitude and latitude is measured, barometer 7 measures atmospheric pressure value, later by information cache to being locally stored in module 4, and passes through wireless data transmission module
Information is real-time transmitted to earth station by 6.When UAV flight's ultraviolet imagery snowfield reconnaissance system shoots target area,
It carries out no dead angle, shoot to exhaustive, it is ensured that the every nook and cranny of target area was all photographed, later from module 4 is locally stored
The middle video information for reading target area and corresponding GPS positioning information, and single frames processing is carried out to video, lead into single frames figure
Picture carries out contrast enhancement processing with algorithm of histogram equalization to single-frame images, will in the case where ensureing that brightness is constant
Setting contrast is 2 times originally, obtains white and black gray expandable image with distinct contrast, wherein white area is snowfield, grey black
Color region is suspicious camouflaged target.In conjunction with GPS positioning module 1 and barometer 7, suspicious camouflaged target is positioned, work is made
War personnel are quickly found out camouflaged target and handle.
A kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance method of the present invention, is as follows：
Step 1, ultraviolet imagery snowfield reconnaissance system is connect with unmanned plane by steering engine, using ultraviolet video camera to entire
It is shot in target area；
When shooting, unmanned plane is 40m~50m away from ground level, and the flying speed of unmanned plane is 3m/s~4m/s；
The camera lens of ultraviolet video camera is in 60 ° of angles with place plane in target area；
Step 2, after step 1, from the video information and location information that reading target area in module 4 is locally stored, and
Single frames processing is carried out to video, single-frame images is led into, the contrast enhancement processing of single-frame images is being adjusted to original image later
2 times, obtain white and black gray expandable image with distinct contrast, wherein white area is snowfield, and black gray expandable region is suspicious puppet
Fill target.
The system of the present invention uses ultraviolet imagery technology, is handled by single frames and image comparison enhancing is handled, can be clear
Include intuitively being analyzed convenient for combatant on picture by the camouflaged target that snowfield is hidden.The system can be afield accurate
It really identifies the camouflage equipment of enemy, there is good fighting effect.
Claims (8)
1. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system, which is characterized in that including power supply and processor module (5),
The power supply and processor module (5) are connected separately with GPS positioning module (1), ultraviolet imagery device (2), people by shielding line
Module (4), wireless data transmission module (6) and barometer (7) is locally stored in work ultraviolet light source apparatus (3), described that module is locally stored
(4) it is electrically connected respectively with the ultraviolet imagery device (2) and the GPS positioning module (1), the wireless data transmission module (6)
It is electrically connected respectively with the ultraviolet imagery device (2) and the GPS positioning module (1).
2. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system according to claim 1, which is characterized in that the people
Work ultraviolet light source apparatus (3), including ultraviolet LED array and monochromator, the ultraviolet LED array are arranged in weft and warp；Often
The input terminal port of a ultraviolet LED is provided with monochromator.
3. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system according to claim 1, which is characterized in that the purple
Outer imaging device (2), including ultraviolet video camera, the ultraviolet camera objective front end are disposed with anti-light reflection device and ultraviolet
Optical filtering.
4. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system according to claim 3, which is characterized in that the purple
The resolution ratio of outer video camera is 5472 × 3648, and the uv transmittance of the camera lens of ultraviolet video camera in 320nm-360nm is not small
In 90%.
5. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system according to claim 1, which is characterized in that the electricity
Source and processor module (5) use Cortex-A8 type ARM development boards.
6. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system according to claim 1, which is characterized in that described
Ground memory module (4) is the AJ-P2M064AMC storage cards of 64G；The model GY-63 of the barometer (7).
7. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance method, which is characterized in that be as follows：
Step 1, ultraviolet imagery snowfield reconnaissance system is connect with unmanned plane by steering engine, using ultraviolet video camera to entire target
It is shot in region, the camera lens of ultraviolet video camera is in 60 ° of angles with place plane in target area；And to carry out no dead angle,
Exhaustive is shot.
Step 2, after step 1, from the video information and location information for reading target area in module (4) is locally stored, to regarding
Frequency carries out single frames processing, leads into single-frame images, later by 2 times of the setting contrast of single-frame images to original image, obtains white
The image with distinct contrast with black gray expandable, wherein white area is snowfield, and black gray expandable region is suspicious camouflaged target.
8. a kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance method according to claim 7, which is characterized in that the step
In rapid 1, when shooting, unmanned plane is 40m~50m away from ground level, and the flying speed of unmanned plane is 3m/s~4m/s.
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| CN201810609904.2A CN108717208A (en) | 2018-06-13 | 2018-06-13 | A kind of unmanned aerial vehicle onboard ultraviolet imagery snowfield reconnaissance system and reconnaissance method |
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Cited By (1)
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| CN109714531A (en) * | 2018-12-26 | 2019-05-03 | 深圳市道通智能航空技术有限公司 | A kind of image processing method, device and unmanned plane |
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