Patent ID: 6816184
Filing Date: 2004-11-09
Classification: G06K,G08B,H04N

Abstract:
A method of monitoring, comprising the steps of:providing a map of a monitored area; detecting a reference image of the monitored area; receiving operator input identifying a first region which corresponds to a selected portion of the monitored area as viewed in the reference image; receiving operator input identifying a second region which corresponds to the selected portion as viewed on the map; defining warp transformation parameters for translating a selected point in the first region into a corresponding point in the second region; detecting a further image of the area; identifying a portion of the further image corresponding to an object of interest; selecting a first point near a lower end of the portion of the further image which corresponds to the object of interest, the first point being within the first region; and carrying out a warp transformation of the first point from the first region to the second region according to the defined warp transform parameters in order to identify within the second region a second point which corresponds to the first point and which identifies a position on the map of the object of interest.