摘要
为满足汽车实时性的要求,提出了一种基于FPGA(Field Programmable Gate Array)的车载视频拼接方法。采用FPGA实现视频拼接。整个系统主要由视频采集、视频预处理、视频拼接和视频显示组成。采用Altera公司的CycloneⅣ芯片搭建硬件处理平台,利用双DDR2存储器进行乒乓缓存。图像拼接采用sift算法进行图像匹配,通过线性融合算法完成环景拼接,提高了算法的处理速度,满足了实时性需求。经验证该平台拥有较好的实用性和扩展性,满足汽车的实时性需求。
Because the request of automobile safety is higher and higher,drivers should clearly ensure the surrounding environment of the car,a kind of car surveying technology is proposed. Video mosaicing technology is the basis of surveying technology. In order to meet the requirement of vehicle instantaneity,this paper uses FPGA to achieve the video mosaicing. The system includes video capture module,video pre-processing module,video mosaicing module and video display module. The paper uses Cyclone Ⅳ development board of Altera company to complete the system and uses double DDR2 to complete Ping-Pong buffer. We use sift algorithm to match videos and linear fusion algorithm to mosaic videos. The system is verified by experiments and its feasibility is proved.
出处
《吉林大学学报（信息科学版）》
CAS
2016年第6期709-715,共7页
Journal of Jilin University（Information Science Edition）
基金
国家自然科学基金青年基金资助项目(6140020296)
吉林省重点科技攻关基金资助项目(20140204087GX)
吉林省青年科研基金资助项目(20140520063JH)
