Rapid vehicle-mounted GPS track accurate map matching method
A map matching and trajectory technology, applied in the field of transportation, can solve the problem of difficult balance between matching accuracy and efficiency
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[0146] Before describing this embodiment, the following parameters are described:
[0147] In this embodiment, false means no, and true means yes.
[0148] Such as figure 1 As shown, the present invention provides a kind of method for fast vehicle-mounted GPS trajectory accurate map matching, and its implementation method is as follows:
[0149] S1. Obtain several GPS track points passed by the GPS of any vehicle, and initialize the several GPS track points to obtain a valid GPS track point list VP={vp(1),vp(2),..., vp(k)}, its implementation method is as follows:
[0150] S101. Obtain several GPS track points passed by the GPS of any vehicle;
[0151] S102. Separate the several GPS track points into a segment set Trip(a)={T1, T2, ..., Ta, ..., Tn}, where Ta represents a segment, and the Ta segment includes Multiple GPS track points, Tn represents the total segment number;
[0152] S103. Select one GPS track point p(i) from multiple GPS track points {p(1), p(2), ..., p(i)...
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