Image analysis system and method

G - Physics – 06 – T

Patent

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G06T 7/60 (2006.01)

Patent

CA 2731385

A method comprising the steps of: receiving image data representing an image; processing the data to generate ori-entation information; processing the data using the orientation information to measure a quantity called local phase in a direction perpendicular to the orientation of a putative vessel; using the phase measurements from three collinear image locations or from two locations to detect the centreline of a symmetric image structure, such as a blood vessel, and to locate a centrepoint defined by the intersection of the centreline with the line created by the measurement locations.

La présente invention concerne un procédé comprenant les étapes consistant à : recevoir des données d'image représentant une image; traiter les données d'image pour générer des informations d'orientation; traiter les données à l'aide des informations d'orientation pour mesurer une quantité appelée phase locale dans une direction perpendiculaire à l'orientation d'un vaisseau putatif; utiliser les mesures de phase à partir de trois emplacements d'images colinéaires ou à partir de deux emplacements pour détecter la ligne centrale d'une structure d'image symétrique, telle qu'un vaisseau sanguin, et pour localiser un point central défini par l'intersection de la ligne centrale avec la ligne créée par les emplacements de mesure.

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