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Airborne system for mixing and displaying videos in real time

A display system and airborne video technology, applied in the field of video processing, can solve the problems of increased burden on pilots, different video resolutions and frame rates, and inability to meet the video mixing requirements of the airborne cockpit display system, so as to reduce waste of resources and meet the Performance requirements, the effect of reducing the number of monitors

Inactive Publication Date: 2015-05-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

In the airborne cockpit integrated system, there are usually multiple video sources for the pilot to read information, and the video images generated by other graphics generation systems or cameras are usually presented on different displays, but the dispersion of information presentation will inevitably lead to increased burden on the pilot
The signal formats provided by different video signal sources will be different, and the video resolution and frame rate may be different. These factors mean that the simple video mixing method cannot meet the video mixing requirements of the airborne cockpit display system

Method used

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  • Airborne system for mixing and displaying videos in real time
  • Airborne system for mixing and displaying videos in real time

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0030] The invention provides an airborne video real-time mixed display system, which can perform multi-channel video mixing. The upper computer selects different background channels to participate in the mixing through different command words. The switching of the background channels can occur at any time during the operation of the system. After the channel is switched, the background video will be decoded again and the video stream input signal of the new channel will be obtained. At the same time, the present invention can also mix videos with different frame rates and different resolutions. When the input foreground picture and background picture have differences in frame rate and resolution...

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Abstract

The invention discloses an airborne system for mixing and displaying videos in real time. The airborne system comprises an instruction exchange area, a video conversion / decoding module, a frame storage device, a video controller and a power module. The invention relates to the field of video processing and is a specific airborne video real-time mixing technology and an image displaying system framework. The video controller is a core of the whole system and is in charge of communicating with an upper computer, configuring a decoding chip, amplifying video pictures, controlling the frame storage device, controlling input / output videos and driving display and the like. The airborne system disclosed by the invention has the advantages that the video decoding chip can be automatically configured, the dynamic switching of multi-path background video input and real-time amplification of background video pictures are realized, and the inputted foreground and background are mixed and displayed according to parameters provided by the upper computer. Compared with the prior art, the airborne system disclosed by the invention has the characteristics of high real-time performance, small volume, low power consumption, high picture refreshing rate and good video mixing effect and the like.

Description

Technical field [0001] The invention relates to an airborne video real-time mixed display system, which belongs to the technical field of video processing. Background technique [0002] With the rapid development of microelectronics technology, the technical level of the airborne cockpit display system has advanced by leaps and bounds. The onboard cockpit display system is an important way for the pilot to interact with the aircraft in real time, and is the main means for the pilot to understand the aircraft status and flight environment. There are usually multiple video sources in the airborne cockpit integrated system for the pilot to read the information. The video images produced by other graphics generation systems or cameras are usually presented on different displays, but the scattered information presentation will inevitably lead to an increase in the burden on the pilot. The signal format provided by different video signal sources will be different, and the video resolu...

Claims

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Application Information

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IPC IPC(8): H04N5/265H04N7/01
Inventor 李开宇王文栋郑凯文刘文波袁玉勇贾银亮徐贵力
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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