基于Nios Ⅱ的辅助驾驶视频监控系统  

Video Surveillance System for Aided Driving Based on Nios Ⅱ

作　　者：黄海波[1] 王卫华[1] 江学焕[1] 

机构地区：[1]湖北汽车工业学院电气与信息工程学院,湖北十堰442002

出　　处：《电视技术》2012年第7期130-133,共4页Video Engineering

基　　金：湖北省教育厅科学技术研究项目(Q20092301);湖北省高等学校优秀中青年科技创新团队计划项目(T200903)

摘　　要：为满足汽车辅助驾驶视频监控的应用需求,利用SOPC技术,采用Nios Ⅱ解决方案,在以单片FPGA芯片为核心的系统中,完成了包括汽车前视监控和后视监控等功能。通过μC/OS-Ⅱ嵌入式实时操作系统来调度系统初始化、前视频数据传输、视频压缩、SD卡读写、后视视频传输、字符叠加和超声测距等任务,保证了辅助驾驶的实时性要求。测试表明,该系统功能完善,满足辅助驾驶的性能要求,具有较高的应用价值。In order to meet with the applied demand of video surveillance for aided driving, using the technology of SOPC and adopting the resolved scheme of Nios II, in the system with the kernel of single FPGA chip, some important functions including vehicle forward vision surveillance and back vision surveillance are realized. System tasks are scheduled by the embed real-time operating system pLC/OS-II, including system initialization, forward video transmission, video compression, SD read-write, back video transmission, character overlay and ultrasound range finding, which ensures the real time request of aided driving. The test shows that the system has perfect functions and better application value to satisfy the performance requirement of aided driving.

关 键 词：NIOS II SOPC 视频监控 测距 

分 类 号：TN911.74[电子电信—通信与信息系统]