摘要
针对运动物体的多目交会摄像测量系统,文章设计了一种基于高速摄像机外触发源的采集系统,采用GPS授时,依靠卫星每秒钟起始时刻发出的同步秒脉冲来保证时间同步;采用脉冲发生器实现高精度同步采集脉冲来保证像机曝光采集时间同步。经过验证,所设计的同步采集系统同步精度较高,是一种通用的多摄像机同步解决方案。
The paper design a collection system based on high-speed camera to measure mobile by cross-view photogrammetry.Using GPS timing, rely on satellites starting moment every second of synchronous pulse to ensure that the time synchronization;Pulse generator was adopted to realize high precision synchronous sampling pulse to ensure camera exposure time synchronization.After verification, the synchronous data acquisition system design of high precision and is a generic synchronous solution more cameras.
出处
《电脑与信息技术》
2016年第3期14-17,共4页
Computer and Information Technology
关键词
多目交会
摄像测量
脉冲
时间同步
cross-view
photograrmnetry
pulse
time synchronization
