Comprehensive display system graphic processing method based on embedded platform

Abstract

The invention relates to a comprehensive display system graphic processing method based on an embedded platform. The method is technically characterized in that a 4K original video is collected through an HDMI input interface; after H.264 coding is carried out, a code stream is packaged into an RTSP protocol to be pushed to a network, a VLC player is used for receiving a network video stream, a correct video stream coding algorithm and resolution information are obtained, and meanwhile that the time delay of a coding and decoding system is not larger than 100 ms is measured; three paths of 4Knetwork video streams are received and decoded, the decoded video is processed through a fusion algorithm, and the processed video is superposed on a background video for display. The image processingengine performs preprocessing, format conversion, image quality enhancement and fusion superposition operation on the acquired images; a hardware codec encodes a video image and pushes the encoded video image based on an RTSP protocol, so that the network transmission bandwidth of video data is reduced, and a transmission code rate lower than 10Mbps can be realized under a 3840 * 2160 resolution30Hz frame rate.

Description

technical field [0001] The invention belongs to the field of computer graphics processing, in particular to a graphics processing method for an integrated display system based on an embedded platform. Background technique [0002] The integrated display system is an important part of military combat command and control systems, integrated navigation and other weapons and equipment. It can comprehensively, accurately, and real-time display combat data, and display visual battlefield situation information. Standardize strategic and tactical actions to provide strong support. With the rapid development of graphics and image processing technology, software technology and computer technology, foreign advanced weapons have been equipped with comprehensive display systems with powerful functions, complex display graphics, large-screen high-resolution, and high integration to replace old-fashioned mechanical instruments and CRT displays. The graphics processing unit is the core com...

AI Technical Summary

Problems solved by technology

However, DSP has already encountered a bottleneck when processing video images with a resolution higher than 1080p. The complexity of implementing video processing algorithms in FPGA is high and the development cycle is long

In addition, the DSP+FPGA architecture will reduce the system integration of the entire integrated display system, which is not conducive to system upgrade and maintenance

Images