Vega-based infrared and low-light-level video synchronization simulation method

A technology for synchronizing simulation and video, applied in the field of image processing, can solve the problem of merging the original image costing a lot of manpower and material resources, and achieve the effects of fast communication speed, improved experimental efficiency, and accurate synchronization.

Inactive Publication Date: 2016-06-01
NANJING UNIV OF SCI & TECH
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Problems solved by technology

[0003] Generally, the fusion of original images is obtained through a large number of field experiments, but this method will spend a lot of manpower and material resources on the selection and processing of fusion original images, and sometimes due to various reasons, not all required scenes images are available

Method used

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  • Vega-based infrared and low-light-level video synchronization simulation method
  • Vega-based infrared and low-light-level video synchronization simulation method
  • Vega-based infrared and low-light-level video synchronization simulation method

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Embodiment

[0035] There are two fighter jets flying from west to east on the simulated plain, two tanks moving from east to west, and a scene of a soldier walking from west to east. The optical video images are shown in Figure 2(a) and Figure 2(b), and after eliminating the static loading time difference of the simulation, the generated synchronous infrared video images and low-light video images are shown in Figure 3(a) and Figure 3(b) , the acquisition of low-light images has certain requirements on atmospheric conditions. In the case of harsh atmospheric conditions, the quality of low-light images is poor and the noise is obvious. In order to simulate low-light images more realistically, synchronous infrared video images and noisy low-light video images can be generated, as shown in Figure 4, Figure 5, and Figure 6; Figure 2 and Figure 3 are processed, and the comparison results are shown in Figure 7(a) and Figure 7(b).

[0036] At the beginning of the simulation, the asynchronous in...

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Abstract

The invention discloses a Vega-based infrared and low-light-level video synchronization simulation method. The method comprises steps: Vega software is used for rendering a simulation environment for infrared target imaging; the Vega software is used for rendering a simulation environment for low-light-level target imaging; an API interface function of the Vega is used for rendering each frame of image, the motion position of the target is updated in real time, and a simulation video is formed; and the formed simulation video is paused for one time until the infrared video and the low-light-level video stop rendering, the simulation video is started again, and the infrared video and the low-light-level video which are simulated synchronously are formed. The infrared target simulation video and the low-light-level target simulation video can be provided, the infrared and low-light-level synchronization simulation video image can also be provided, an original image is provided for an infrared and low-light-level image fusion algorithm and a related product, and the cost of acquiring and processing the original image is saved.

Description

technical field [0001] The invention belongs to the technical field of image processing, in particular to a method for synchronous simulation of infrared and low-light video based on Vega. Background technique [0002] The infrared image is an image that reflects the temperature distribution of the target surface, but the infrared sensor is not sensitive to the change of the scene brightness, which makes the infrared image have poor contrast, unclear details, and blurred edges. Low-light images have rich texture information and are consistent with the observation habits of human eyes. However, the acquisition of low-light images has certain requirements on atmospheric conditions. When the conditions are harsh, low-light images have poor imaging quality, obvious noise, and difficult target recognition. Extract and process the spectral and time information of images collected by different image sensors, complement the corresponding information, reduce redundant information, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T15/00G06T5/50
CPCG06T5/50G06T15/005G06T2200/28G06T2207/10016
Inventor 钱芸生王丽刘健万华明张瑜徐华范梦萍吴宇婧
Owner NANJING UNIV OF SCI & TECH
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