Abstract
As a passive detection system, the infrared search and tracking (IRST) system is widely used in the search and tracking of high-speed targets. In order to ensure stable tracking of high-speed targets, the infrared search and tracking system has a high image frame rate, and even through the window function of the infrared detector, the image output frame rate can reach hundreds or even thousands of Hz. At the same time, in order to facilitate visual observation, the detection system should also have an analog video display function, and the common analog video frame rate is generally 25 Hz or 30 Hz. Therefore, it is necessary to realize the analog video display of high frame rate video stream through frame rate conversion. Aiming at the above problems, an adaptive frame rate conversion method is proposed and implemented on the infrared imaging hardware platform of the detection system. The experimental results show that the adaptive characteristics of the method have good versatility, and the frame rate conversion can be easily and stably realized.
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