图像压缩系统设计  

Design of the Image Compression System

作　　者：王兵[1] 白志富[2] 张修建[1] 印朝辉 张铁犁[1] WANG Bing;BAI Zhi-fu;ZHANG Xiu-jian;YIN Zhao-hui;ZHANG Tie-li(Beijing Aerospace Institute for Metrology and Measurement Technology,Beijing 100076,China;China Academy of Launch Vehicle Technology,Beijing 100076,China)

机构地区：[1]北京航天计量测试技术研究所,北京100076 [2]中国运载火箭技术研究院,北京100076

出　　处：《宇航计测技术》2019年第6期84-89,93,共7页Journal of Astronautic Metrology and Measurement

摘　　要：对基于FPGA+DSP架构的图像压缩系统进行了介绍,描述了其系统结构、原理及实现。根据实际需求,采用FPGA+DSP的系统架构设计了一种高性能的图像实时压缩装置,并对系统硬件电路、软件、结构等方面进行了优化设计,实现了飞行试验环境条件下多路视频的采集、压缩、传输、按时序切换等功能,具有处理延时小、功耗低、环境适应性好等特点,并通过了高低温、振动冲击、电磁兼容等多项环境试验考核,具有较高的应用价值。The image compression system based on FPGA+DSP architecture is introduced,and its system structure,principle and implementation are described.The system uses FPGA+DSP architecture to establish a high-performance image real-time compression device.The terms of system hardware,software and mechanical structure are optimized design,the functions of the multi-channel video image capture,compression,transmission,and time series conversion are realized to meet the flight test environmental conditions.The system has the advantages of small delay,low power consumption,good environment adaptability.The system passed some environmental test including high and low temperature test,vibration and shock test,electromagnetic compatibility test,and has a high application value.

关 键 词：图像压缩 环境试验 图像解码 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]