G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 5/00 (2006.01) G01V 1/30 (2006.01) G06T 7/00 (2006.01)
Patent
CA 2264903
The invention concerns a method for detecting and/or determining characteristics related to remarkable points in an image, characterised in that it consists in evaluating the local dip variability of a first point in the image relative to at least another point located in the proximity of said first point, by computing the local anisotropy on said point gradient field, said anisotropy being dependent on terms related to a dispersion of orientations and to the module of gradient vectors, and at least one of said terms is weighted.
La méthode est caractérisée en ce qu'elle consiste à évaluer la variabilité d'un pendage local d'un premier point de l'image par rapport à au moins un autre point situé au voisinage dudit premier point, en calculant l'anisotropie locale sur le champ de gradients dudit point, ladite anisotropie étant dépendante de termes liés à une dispersion des orientations et au module des vecteurs gradients, et en ce qu'au moins un desdits termes est pondéré.
Baylou Pierre
Guillon Sebastien
Keskes Naamen
Elf Exploration Production
Goudreau Gage Dubuc
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