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Method and system for generating infrared scene image with dynamic distortion effect in real time

An infrared scene and dynamic distortion technology, applied in the field of simulation, can solve the problem of complex infrared distortion effect image real-time generation, and achieve the effect of avoiding time consumption

Active Publication Date: 2018-03-30
BEIJING SIMULATION CENT
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Problems solved by technology

[0004] The object of the present invention is to provide a real-time generation method and system of an infrared scene image with dynamic distortion effect, to combine the dynamic image generation capability of the graphics card with the CUDA parallel computing capability of the graphics card, and avoid the time consumption of interaction between video memory data and memory data , with the help of CUDA operation to realize dynamic image processing, and then solve the problem of real-time generation of complex infrared distortion effect images

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  • Method and system for generating infrared scene image with dynamic distortion effect in real time
  • Method and system for generating infrared scene image with dynamic distortion effect in real time

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[0032] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0033] Such as figure 1 As shown, the real-time generation method of an infrared scene image with a dynamic distortion effect provided by this embodiment includes the following steps:

[0034] The turbulent transmission effect data is calculated by using the ray tracing method and the physical optics method, and the turbulent transmission effect data is stored in the CUDA cache of the graphics card;

[0035] Modeling of infrared scene elements and infrared scene radiation characteristics;

[0036] Perform real-time dynam...

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Abstract

The invention discloses a method and system for generating an infrared scene image with a dynamic distortion effect in real time. The method comprises the steps of calculating by adopting a ray tracing method and a physical optics method to obtain turbulent transmission effect data, and storing the turbulent transmission effect data into a cache of a video card CUDA; modeling infrared scene elements and infrared scene radiation characteristics; performing real-time dynamic calculation on the infrared scene radiation characteristics, building mapping between the infrared scene radiation characteristics and grayscales, and drawing a dynamic infrared grayscale image, and rendering the dynamic infrared grayscale image into image grayscale matrix data in an image frame cache of the video card;and generating an infrared scene image with a dynamic distortion effect in real time by using a parallel computation ability of the video card CUDA according to the turbulent transmission effect dataand the image grayscale matrix data. According to the invention, real-time generation of an infrared scene image with a complex dynamic distortion effect can be realized, and a support can be providedfor dynamic testing of an infrared sensor.

Description

technical field [0001] The invention relates to the technical field of simulation. More specifically, it relates to a method and system for real-time generation of infrared scene images with dynamic distortion effects. Background technique [0002] Infrared imaging sensors working in turbulent atmospheric environments face complex transmission interference, which brings great difficulties to image recognition. How to simulate the dynamic distortion effect image caused by the interference environment is a key technology for evaluating the performance of infrared imaging sensors. Since the state of atmospheric turbulence changes rapidly and the calculation is very complex, the real-time performance of the simulation of image distortion effects cannot be guaranteed simply by relying solely on the commonly used dynamic optical scene image generation method based on the graphic calculation engine of the graphics card. The current distortion effect image simulation usually analy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T1/60G06T1/00
CPCG06T1/0007G06T1/60
Inventor 杜惠杰张兴费锦东虞红高阳张盈赵宏鸣杜渐
Owner BEIJING SIMULATION CENT
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