Infrared visual emulation system and radiation field joint adjusting and control method thereof

Abstract

The invention discloses an infrared visual emulation system and a radiation field joint adjusting and control method thereof, and the joint adjusting and control problem of an infrared digital scene and an infrared target simulatorissolved. According to the infrared visual emulation system, DMD control in the emulation system is synchronized with a drive circuit control imaging device and image frame between infrared digital scene units. Image radiant brightness of the infrared digital scene units and the blackbody light source temperature are adjusted to obtain joint adjusting and control ofthe emulation system. According to the radiation field joint adjusting and control method, on the basis of the emulation system, the radiant brightness of the infrared digital scene units and the blackbody light source temperature of the DMD infrared target simulator, and the spatial light modulator transmittance relationship are established item by item, an exit pupil radiant illuminance transfermode of the target simulator is established, the quantization range of the image radiant brightness and the range of the blackbody light source temperature are determined, a radiation regulation model of a whole link path of the system is established, a blackbody radiant brightness and temperature comparison table is manufactured and found out, regulation model parameters are determined, and radiation field joint adjusting and control is obtained. The infrared visual emulation system is used for infrared scene image emulation.

Description

technical field

[0001] The invention belongs to the field of hardware-in-the-loop simulation technology, and mainly relates to infrared visual simulation, in particular to an infrared visual simulation system and a radiation field joint control method thereof, which are used for high-fidelity simulation of infrared images. Background technique

[0002] With the increasing maturity of hardware-in-the-loop simulation technology and computer software and hardware conditions, the infrared visual simulation system has attracted more and more attention, and has been widely used in the performance appraisal test of military photoelectric reconnaissance equipment. The visual simulation system has the advantages of low cost and convenient application. However, the success of this kind of hardware-in-the-loop simulation system application test largely depends on the simulation fidelity of the infrared vision simulation system, that is, the authenticity of the infrared vision simulatio...

Examples

Embodiment 1

[0028] Infrared visual simulation system is a kind of hardware-in-the-loop simulation system, which is widely used in the performance appraisal test of military photoelectric reconnaissance equipment, such as testing the target detection, recognition and tracking performance of infrared photoelectric equipment. This kind of hardware-in-the-loop simulation system can complete test experiments under indoor conditions, and has the advantages of low cost and convenient application compared with traditional field experiments. However, the success of this kind of hardware-in-the-loop simulation system application test largely depends on the simulation fidelity of the infrared vision simulation system, that is, the authenticity of the infrared vision simulation system to reproduce the complex real natural environment.

[0029] In the prior art, either focus on the research on the fidelity of infrared digital scenes, or improve the fidelity through the improvement of infrared target si...

Embodiment 2

[0034] The overall composition of the infrared visual simulation system jointly regulated by the radiation field is the same as in Embodiment 1. The infrared target simulator of the present invention is a DMD infrared target simulator, and the infrared digital scene unit of the present invention is provided with a window for manually setting the radiance of the scene image , the blackbody light source in the DMD infrared target simulator has a temperature parameter setting button, utilizes the image radiation brightness quantification range of the infrared digital scene unit and the radiation field joint control relationship corresponding to the temperature of the blackbody light source one by one, through the DMD drive and control circuit, Realize joint control of radiation field for infrared scene simulation.

[0035] By having a window for manually setting image brightness in the infrared digital scene unit, the image radiance quantization range of the infrared digital scene...

Embodiment 3

[0037] The present invention is also a radiation field joint control method for an infrared visual simulation system, which is implemented on the above-mentioned infrared visual simulation system for joint control of the radiation field, and the overall composition of the infrared visual simulation system for joint control of the radiation field is the same as in Embodiment 1 -2, see figure 2 , including the following steps:

[0038] (1) Build an infrared visual simulation system; the infrared visual simulation system is an infrared visual simulation system jointly controlled by the radiation field, and is connected with a computer-based infrared digital scene generation module and a DMD infrared target simulator in sequence according to the signal transmission direction of the simulation system And infrared imaging and display equipment. The infrared digital scene generation module is sequentially connected to the infrared image input unit to be simulated, the simulation sc...

technical field

[0001] The invention belongs to the field of hardware-in-the-loop simulation technology, and mainly relates to infrared visual simulation, in particular to an infrared visual simulation system and a radiation field joint control method thereof, which are used for high-fidelity simulation of infrared images. Background technique

[0002] With the increasing maturity of hardware-in-the-loop simulation technology and computer software and hardware conditions, the infrared visual simulation system has attracted more and more attention, and has been widely used in the performance appraisal test of military photoelectric reconnaissance equipment. The visual simulation system has the advantages of low cost and convenient application. However, the success of this kind of hardware-in-the-loop simulation system application test largely depends on the simulation fidelity of the infrared vision simulation system, that is, the authenticity of the infrared vision simulatio...

Examples

Embodiment 1

[0028] Infrared visual simulation system is a kind of hardware-in-the-loop simulation system, which is widely used in the performance appraisal test of military photoelectric reconnaissance equipment, such as testing the target detection, recognition and tracking performance of infrared photoelectric equipment. This kind of hardware-in-the-loop simulation system can complete test experiments under indoor conditions, and has the advantages of low cost and convenient application compared with traditional field experiments. However, the success of this kind of hardware-in-the-loop simulation system application test largely depends on the simulation fidelity of the infrared vision simulation system, that is, the authenticity of the infrared vision simulation system to reproduce the complex real natural environment.

[0029] In the prior art, either focus on the research on the fidelity of infrared digital scenes, or improve the fidelity through the improvement of infrared target si...

Embodiment 2

[0034] The overall composition of the infrared visual simulation system jointly regulated by the radiation field is the same as in Embodiment 1. The infrared target simulator of the present invention is a DMD infrared target simulator, and the infrared digital scene unit of the present invention is provided with a window for manually setting the radiance of the scene image , the blackbody light source in the DMD infrared target simulator has a temperature parameter setting button, utilizes the image radiation brightness quantification range of the infrared digital scene unit and the radiation field joint control relationship corresponding to the temperature of the blackbody light source one by one, through the DMD drive and control circuit, Realize joint control of radiation field for infrared scene simulation.

[0035] By having a window for manually setting image brightness in the infrared digital scene unit, the image radiance quantization range of the infrared digital scene...

Embodiment 3

[0037] The present invention is also a radiation field joint control method for an infrared visual simulation system, which is implemented on the above-mentioned infrared visual simulation system for joint control of the radiation field, and the overall composition of the infrared visual simulation system for joint control of the radiation field is the same as in Embodiment 1 -2, see figure 2 , including the following steps:

[0038] (1) Build an infrared visual simulation system; the infrared visual simulation system is an infrared visual simulation system jointly controlled by the radiation field, and is connected with a computer-based infrared digital scene generation module and a DMD infrared target simulator in sequence according to the signal transmission direction of the simulation system And infrared imaging and display equipment. The infrared digital scene generation module is sequentially connected to the infrared image input unit to be simulated, the simulation sc...

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