Method for detecting whether a border has been crossed

The method involves determining an intersection point (T-0) of the border (5) with a road segment (2) and a reference direction (R-0) in the orientation of the road segment. The vectors (V-i) are continuously projected on the reference direction to retain a series of projections (d-i,d-i-plus-1), wh...

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Bibliographische Detailangaben
1. Verfasser:	WEIMANN FRANZ
Format:	Patent
Sprache:	eng ; slv
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SIGNALLING SURVEYING TESTING TRAFFIC CONTROL SYSTEMS
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Beschreibung
Zusammenfassung:	The method involves determining an intersection point (T-0) of the border (5) with a road segment (2) and a reference direction (R-0) in the orientation of the road segment. The vectors (V-i) are continuously projected on the reference direction to retain a series of projections (d-i,d-i-plus-1), where the vectors are determined between one of the positions (P-i) and the intersection point. The border crossing is detected when a direction change or sign change occurs in the series of the projections.