摘要
设计并实现了一种基于3GWCDMA无线网络的远程视频实时监控系统,该系统以Cypress公司的CY8C52芯片、TI公司的TMS320DM642芯片以及华为公司的EM770W通信模块为核心,融合了嵌入式、视频压缩、无线通信等技术,实现了视频的采集、压缩、传输、解码、显示等功能。该系统还对压缩模块中DSP编码选项和MPEG-4算法进行了优化,减少了运算量,提高了编码效率,使系统的信号处理能力得到了很大改善。
A real-time remote video monitoring system is designed and implemented based on 3G WCDMA wireless network.This system cores with the CY8C52 chip from cypress corporation,TMS320DM642 chip from TI and EM770W communication module from Huawei;Integrates the embedded video compression and wireless communications technologies;Implements the functions of video capture,compression,transmission,decoding and display.The system also optimizes the algorithms of DSP chip and MPEG-4 within compression module,reduces the computational complexity and improves the coding efficiency.The system's signal processing capacity is greatly improved.
出处
《计算机工程与设计》
CSCD
北大核心
2011年第12期4015-4019,共5页
Computer Engineering and Design
关键词
嵌入式
赛普拉斯
视频采集
视频传输
视频监控
无线网络通信
embedded
cypress
video capture
video transmission
video monitoring
wireless communications