Patent ID: 8315432

Claim:
A method for tracking in real time at least one substantially plane geometrical object from a real scene in at least two substantially consecutive images of at least one video stream, in an augmented reality application, the initialization of the method being automatic, said method comprising the following steps: reception of a first image from said at least one video stream ( 300 ), said first image including said at least one object to be tracked; determination of the position and the orientation of said at least one object to be tracked in said first image ( 320 ) on the basis of a plurality of image blocks determined beforehand, each image block of said plurality of image blocks being associated with a pose of said at least one object to be tracked; creation of a key image including said first image and the position and the orientation of said at least one object to be tracked in said first image; reception of a second image from said at least one video stream ( 330 ), said second image including said at least one object to be tracked; and evaluation of the position and the orientation of said at least one object to be tracked in said second image on the basis of said key image ( 330 ).