机载光电吊舱视频流实时解码显示技术  

Video Stream Real-Time Decoding and Displaying Technique for UAV-Mounted Electro-Optical Pods

作　　者：马希超 魏志强[1] 葛珊[1] MA Xichao;WEI Zhiqiang;GE Shan(The Third Research Institute of China Electronics Technology Group Corporation,Beijing 100015,China)

机构地区：[1]中国电子科技集团公司第三研究所,北京100015

出　　处：《电视技术》2021年第2期16-18,41,共4页Video Engineering

摘　　要：机载光电吊舱通常将视频进行编码压缩后下传到地面操控台,由显控软件接收并解码后进行显示,容易出现视频显示滞后和卡顿现象。为提高视频的实时性和平稳性,描述一种视频流实时解码显示技术,通过设计合理的多线程架构,采用动态图像缓存技术,实现了低延迟和无卡顿的显示效果,并通过实际试用测试验证了方法的有效性。Unmanned Aerial Vehicle(UAV)-mounted electro-optical pods transmit coded and compressed video stream to the ground control console,while the software receives and decodes the stream before displaying.Video delay and lagging often occur during these procedures.In order to guarantee the video display real-time and smooth,this paper demonstrates a technique for real-time decoding and displaying video stream.By designing reasonable multi-thread framework and applying dynamic image buffer technique,low delay and no lagging are made possible for video display.Practical tests verified the effectiveness of this method.

关 键 词：光电吊舱 视频解码 视频流 实时显示 

分 类 号：TN919.81[电子电信—通信与信息系统]