KR20150123002A - Geo-pointing accuracy and automatic picture-taking test devices and methodology of the airborne eo/ir payload - Google Patents

Abstract

The present invention relates to a geo-pointing accuracy and automatic picture-taking test device and the methodology of airborne EO/IR payload. The device includes a vibrationless vehicle which minimizes the vibration of a vehicle, a camera installing unit which is manufactured to install a camera for an airplane and is formed in the vibrationless vehicle, and a control part which controls the vibrationless vehicle and the camera. Required costs can be reduced since airplane installation and operation are not required unlike the evaluation of directional performance by installing the camera in the airplane.

Description

TECHNICAL FIELD [0001] The present invention relates to an EO / IR image-capturing apparatus and an automatic photographing apparatus,

The present invention relates to a target orientation accuracy and an automatic photographing test apparatus and a test method for an airborne EO / IR image equipment, and more particularly, to an EO / IR camera equipped with an airborne EO / IR camera, The present invention relates to an EO / IR image equipment target-oriented accuracy, an automatic photographing test apparatus, and a test method for air-mounted EO / IR image equipment which comprehensively tests and evaluates a directional error on the ground.

The EO / IR Pod for aircraft mounting is installed on the outside of the aircraft and collects information of the main night vision. It uses the reconnaissance mission plan data reflecting the information about the target to be shot and the shooting method, Acquisition is possible.

The key core technology required here is to accurately orient the camera line of sight to the target to be photographed. Through this technique, it is possible to acquire an accurate image of a target to be photographed through precise coordinate orientation in consideration of the platform position and camera posture at the shooting time.

In addition, camera control and gimbal driving should be precisely controlled so that accurate operation can be performed for each image shooting mode (point target shooting mode, area target shooting mode, path target shooting mode, etc.).

As mentioned above, it is essential to test whether the EO / IR pod for aircraft mounting is accurately oriented to the target and whether the automatic shooting operation is accurately performed according to the shooting mode. In order to verify the performance of these parts in the past, the performance and the function were confirmed within a very limited range in the laboratory or outdoors, and finally, it was difficult to predict the final performance without actual flight test.

On-ground testing and evaluation of aerial on-board video equipment capable of automatic image capturing is carried out on a DYNAMIC MOTION simulator or similar aircraft mounted on an aircraft to conduct imaging and performance test evaluations. However, due to the inability to simulate the flight situation of the platform accurately, it can not be verified accurately due to the occurrence of the IMU error, which is a key device of coordinate-oriented performance, and there is no problem mentioned above when using similar aircraft, There is another problem that must be introduced.

Korean Registered Patent No. 10-1206358 (Nov. 18, 2012) Korean Patent Publication No. 10-2008-0037434 (Apr. 30, 2008) Korean Registered Patent No. 10-1245864 (Mar.

Accordingly, it is an object of the present invention, which has been made in view of the above, to provide a method and system for minimizing the development risk and cost by minimizing the actual flying test and verifying the core performance of the airborne EO / It is intended to provide a target EO / IR image equipment target orientation accuracy and an automatic photographing test apparatus and test method.

According to an embodiment of the present invention, there is provided a target-oriented accuracy and an automatic photographing test apparatus and test method for an aviation-mounted EO / IR image equipment of the present invention, a non-resonant vehicle in which vibration is minimized, Mounted EO / IR imaging apparatus including a camera mount provided in a vehicle, and a control unit for controlling the non-driven vehicle and the camera.

According to one aspect of the present invention, a non-vibration vehicle can be driven in a straight line, and a non-vibration vehicle can be produced so as to produce an airplane flight effect on the ground. Can be manufactured.

According to another aspect of the present invention, the camera mount may include an upshoe bar attached to the non-driven vehicle, a support frame attached to the upshoe bar at the lower end thereof, and a camera mounted on the upper end thereof.

According to another aspect of the present invention, the control unit includes a target coordinate coordinate module, which is a coordinate of a latitude and a longitude with respect to an area to be photographed using a camera, a GPS / INS coordinate module, A test shooting mission file module.

In order to achieve the above object, according to the air-mounted EO / IR image equipment target orientation accuracy and automatic photographing test method of the present invention, it is possible to provide an image photographing mission so that an aircraft camera provided in a non- A driving step of driving a non-driven vehicle equipped with a camera to enter a test path, a driving step of running on a preset test path, and a control step of controlling the camera in accordance with a preset shooting mission file module An EO / IR imaging device including an image capturing step of photographing a target, an analysis step of analyzing the image of the photographed target to calculate a directional accuracy, and a directional accuracy determining step of determining whether the camera's directional accuracy exceeds a required value Target-oriented accuracy and automatic shooting test method are provided.

According to one aspect of the present invention, in the photographing step, the GPS / INS coordinate module provided in the non-driven vehicle transmits position information of the non-driven vehicle to the photographing mission file module for test, And the position information of the target is transmitted to the camera. The image information photographed by the camera is image-processed and compressed and stored in a storage device provided in the non-vibration vehicle, To a terrestrial receiving and processing device provided in the network.

According to another aspect of the present invention, the performance of the camera can be evaluated by analyzing the difference between the image of the target area photographed at the photographing step and the previously prepared preliminary plan photographed image in the analysis step, and the running of the non- The result stored in the storage device and the log data are analyzed to calculate the camera's directional accuracy, and it is possible to check whether the camera is automatically photographed.

According to another aspect of the present invention, when the orientation accuracy is lower than the required value in the directional accuracy determination step, the image shooting mission planning step can be performed again.

According to the target orientation accuracy and the automatic photographing test apparatus and test method of the airborne EO / IR image equipment according to the present invention, a method of evaluating a camera which requires a lot of cost such as the risk of attaching and flying an airplane, , By using the information of camera / mount stand and flight path simulating the flight path, the GPS / INS device, and the photographing target information, it is possible to reduce the safety of the aircraft There is an effect of having a test evaluation.

In addition, the test evaluation can be performed with the same performance as when the camera is mounted on the aircraft at a relatively low cost.

FIG. 1 is an outline view of an airborne EO / IR image equipment target orientation accuracy and an automatic photographing test apparatus of an embodiment of the present invention,
FIG. 2 is an outline of the target orientation accuracy of the air-mounted EO / IR imaging apparatus of FIG. 1 and the camera mount provided in the automatic photographing test apparatus;
FIG. 3 is a flow chart of an airborne EO / IR imaging equipment target orientation accuracy and automatic photographing test method of an embodiment of the present invention,
Fig. 4 is a schematic view of the aerial onboard EO / IR imaging equipment target orientation accuracy and imaging steps of the automatic imaging test method of Fig. 3;

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The exemplary embodiments of the present invention may be embodied in many different forms without departing from the scope of the present invention. It is not limited to the embodiment.

Fig. 1 is a schematic view of an airborne EO / IR imaging apparatus target orientation accuracy and automatic photographing test apparatus according to an embodiment of the present invention. Fig. 2 is a schematic diagram of an airborne EO / IR imaging apparatus target orientation accuracy and an automatic photographing apparatus Fig.

1 and 2, the air-on-board EO / IR imaging device target orientation accuracy and automatic photographing test apparatus of the present invention includes a vibration-free vehicle 100 with minimized vibration, a camera 210 for an aircraft And a control unit 300 for controlling the non-driven vehicle 100 and the camera 210. The control unit 300 controls the camera mount 200,

The non-driven vehicle 100 travels in a straight line 400, and is manufactured so as to produce an airplane flight effect on the ground.

The camera mount 200 is manufactured to reduce the vibration transmitted from the non-drive vehicle 100 to the camera 210. In an embodiment of the present invention, as shown in FIG. 2, And a support frame 230 attached to the upper portion of the upshovel 220 and having a camera 210 mounted on the upper end thereof.

The control unit 300 is provided with a target position coordinate module 310 which is a longitudinal degree coordinate for an area to be photographed using the camera 210 and a GPS / INS coordinate module 320 which is the position and navigation information of the non- And a test shooting mission file module 330 for issuing a driving command of the camera 210. [

The airborne EO / IR imaging device target orientation accuracy and automatic photographing test apparatus of the present invention configured as above operates as follows.

A non-driven vehicle equipped with a camera and a camera travels along a predetermined path such as an aircraft. A camera mounted on the vehicle during the course of the route shoots a designated target according to an experimental shooting mission file.

The image captured by the camera is stored in the storage device, and the image stored after the running photograph test is analyzed.

The evaluation criterion for the analysis is based on the difference between the actual photographing target image and the preliminary planning.

FIG. 3 is a flow chart of the aerial-mounted EO / IR imaging equipment target orientation accuracy and automatic photographing test method according to an embodiment of the present invention, FIG. 4 is a diagram illustrating the aerial-mounted EO / IR imaging equipment target- Fig.

3 to 4, the air-on-board EO / IR image equipment target-oriented accuracy and automatic photographing test method of an embodiment of the present invention is a method of automatically setting a target- A video shooting mission plan step (S100) for establishing a video shooting mission plan so that the camera for an aircraft 210 can be directed; an entry step (S100) for setting a video shooting mission plan so that the non-driven vehicle 100 equipped with the camera 210 enters a test path A photographing step S400 of photographing a predetermined target 500 according to the photographing mission file module 330 by the camera 210 and a photographing step S400 of photographing a predetermined target area 500 by the camera 210. [ An analysis step S500 of analyzing the image of the target 500 to calculate a directional accuracy and a directional accuracy determination step S600 of determining whether the directional accuracy of the camera 210 exceeds a required value.

The GPS / INS coordinate module 320 provided in the non-driven vehicle 100 transmits the position information of the non-driven vehicle 100 to the test shooting mission file module 330 in the shooting step S400.

The test photographing mission file module 330 transmits a directional driving command for automatic photographing to the camera 210 based on the position information of the non-drive vehicle 100 and the target 500, The photographed image information is image-processed and compressed and stored in a storage device 340 provided in the non-vibration-related vehicle 100. The image information is transmitted to a terrestrial receiving and processing device provided in the test path.

The performance of the camera 210 is evaluated by analyzing the difference between the image of the target 500 photographed in the photographing step S400 and the preliminarily prepared preliminary plan photography image in the analysis step S500, The driving of the non-vibration vehicle 100 is terminated and the result stored in the storage device 340 and the log data are analyzed to calculate the directivity accuracy of the camera 210. [ In addition, it is confirmed whether or not the automatic photographing of the camera 210 is normal.

If the orientation accuracy is less than the required value in the directivity determination step S600, the image shooting mission plan establishment step S100 is performed again.

100: No-vibration vehicle 200: Camera mount
210: camera 220:
230: support frame 300:
310: Target Coordinate Module 320: GPS / INS Coordinate Module
330: test shooting mission file module 340: storage device
400: straight main 500: target
S100: image shooting mission planning step S200: entry step
S300: running step S400: photographing step
S500: Analysis step S600: Orientation accuracy determination step

Claims (11)

Vibration-free vehicles with minimal vibration;
A camera mount mounted on the non-driven vehicle so as to mount the camera for an aircraft;
And a control unit for controlling the non-driven vehicle and the camera, wherein the air-mounted EO / IR image equipment has a target-oriented accuracy and an automatic photographing test apparatus. The method according to claim 1,
Wherein the non-driven vehicle travels on a straight line. 2. The air-mounted EO / IR imaging apparatus according to claim 1, The method according to claim 1,
Wherein the non-vibrating vehicle is designed to produce an airplane flight effect on the ground. The air-mounted EO / IR imaging device has a target-oriented accuracy and an automatic photographing test apparatus. The method according to claim 1,
Wherein the camera mount is fabricated to reduce vibration transmitted from the non-driven vehicle to the camera. ≪ RTI ID = 0.0 > 11. < / RTI > The method according to claim 1,
The camera mount
An upshifting bar provided on the non-driven vehicle,
And a support frame attached to the upside bar and having the camera mounted on the upper end thereof. The method according to claim 1,
The control unit
A target coordinate coordinate module that is a latitude and a longitude coordinate for an area to be photographed using the camera;
A GPS / INS coordinate module, which is the position and navigation information of the non-
And a test photographing mission file module for issuing a driving command of the camera. A video shooting mission planning step of establishing a video shooting mission plan so that an aircraft camera provided in a non-driven vehicle can be directed toward a predetermined target site;
A step of entering the non-driven vehicle having the camera into a test path;
A running step of running the preset test path;
A photographing step of photographing a predetermined target according to the test photographing mission file module by the camera;
An analysis step of analyzing images of the photographed target and calculating a directional accuracy;
And a directional accuracy determining step of determining whether the directional accuracy of the camera has exceeded a required value. 8. The method of claim 7,
In the photographing step,
The GPS / INS coordinate module provided in the non-driven vehicle transmits the position information of the non-driven vehicle to the test shooting mission file module,
Wherein the test shooting mission file module transmits a directional driving command for automatic photographing to the camera based on the position information of the non-driven vehicle and the position information of the target,
The image information photographed by the camera is subjected to image processing and compression, and is stored in a storage device provided in the non-driven vehicle,
Wherein the image information is transmitted to a terrestrial receiving and processing device provided on the test path. ≪ RTI ID = 0.0 > 11. < / RTI > 8. The method of claim 7,
In the analysis step
An image of the target spot photographed in the photographing step,
Characterized in that the performance of the camera is evaluated by analyzing a difference from a previously prepared base plan image. 8. The method of claim 7,
In the analysis step
The running of the non-driven vehicle is terminated,
Analyzing the result and log data stored in the storage device to calculate the camera's orientation accuracy,
Wherein the EO / IR imaging device performs the automatic photographing normalization check of the camera. 8. The method of claim 7,
Wherein the image capture mission planning step is performed again when the directivity accuracy is less than a required value in the directivity determination step.

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