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Vector roadmaps are invaluable for various applications such as navigation and tracking. A new algorithm is presented aimed at incrementally producing exact, up-to-date vector roadmaps using GMTI tracks. In most existing work the track points are processed independently. Track points are individually associated with segments of existing roads and the road segment locations are corrected accordingly...
Fusing out-of-sequence information is a very important problem for multi-sensor target tracking systems. The challenge is in dealing with measurements that arrive from the various sensors at a central processor out-of-sequence; that is, signals arriving with a measurement relating to a time previous to the time of the current state. The problem of how to deal with these updates has received much attention...
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