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基于GPS的公路视频影像信息系统

, PP. 87-91

Keywords: 交通工程,信息系统,全球定位系统,公路视频影像,视频采集,视频压缩

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Abstract:

?为了提高公路路况管理及路产管理的效率,开发了基于全球定位系统(GPS)的公路视频影像信息系统。通过视频影像的实时采集压缩和GPS定位,系统可实现基于里程和道路设施的多种视频影像搜索和定位功能,同时可根据电子地图快速定位到相应的视频图像帧。在论述了系统的体系结构后,推导了利用GPS坐标推算里程的算法,该算法通过录入关键帧对应的里程,内插出每帧的里程数,并对其进行修正。实践证明:该算法可有效地控制图像帧的里程误差,该系统可有效用于公路路况管理和公路路产管理。

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