| 嵌入式数字家庭安防视频采集系统设计 |
| |
| 引用本文： | 马永军,郭磊. 嵌入式数字家庭安防视频采集系统设计[J]. 天津科技大学学报, 2011, 26(2): 65-69 |
| |
| 作者姓名： | 马永军 郭磊 |
| |
| 作者单位： | 天津科技大学计算机科学与信息工程学院,天津,300222 |
| |
| 基金项目： | 天津市科技支撑计划重点项目，天津市高等学校科技发展基金 |
| |
| 摘 要： | 针对安防监控系统中视频采集的需求,设计了嵌入式视频采集系统.采用ARM/DSP双核协同工作方式,其中ARM采用三星的ARM微处理器S3C2440,主要实现网络传输和控制功能;DSP采用专用于视频处理的芯片TMS320DM6437,对视频流进行压缩处理,两者通过DSP的主机接口进行通信.网络传输基于RTP协议,根据网络状态调节编码传输速率自适应网络带宽,实现面向服务的QoS控制.实验表明,系统具有成本低、稳定性和实时性好、易于扩展等优点,可用于数字家庭等场所.
|
| 关 键 词： | 安防监控 DSP RTP QoS控制 数字家庭 |
Design of Embedded Digital Home Security Video Capture System |
| |
| MA Yong-jun,GUO Lei. Design of Embedded Digital Home Security Video Capture System[J]. Journal of Tianjin University of Science & Technology, 2011, 26(2): 65-69 |
| |
| Authors: | MA Yong-jun GUO Lei |
| |
| Affiliation: | MA Yong-jun,GUO Lei(College of Computer Science and Information Engineering,Tianjin University of Science & Technology,Tianjin 300222,China) |
| |
| Abstract: | For the requirements of video capture in security monitoring system,an embedded video capture system was proposed.ARM/DSP dual-core collaborative work was adopted,in which Samsung's ARM processor S3C2440 was used for network transmission and control,DSP processing chip TMS320DM6437 was used for video processing,the two cores com-municate through the HPI.RTP based network transmission adjust coding transmission rate according to network state for adaptive network bandwidth,which realize service-oriented QoS.... |
| |
| Keywords: | security monitoring DSP RTP QoS control digital home |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
