Systems for registering ultrasound image in...

A - Human Necessities – 61 – B

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A61B 8/08 (2006.01)

Patent

CA 2526141

Ultrasound image data of an anatomical structure is acquired within a first coordinate system, and graphical data (e.g., sites of interest) is acquired in a second coordinate system. The location of an ultrasound transducer within the first coordinate system and a second coordinate system is determined, and a transformation between the first and second coordinate systems is performed based on the location of the ultrasound transducer within the first and second coordinate systems. Using this transformation, the ultrasound image data, which has previously been acquired in the first coordinate system, can be registered and displayed within the second coordinate system, along with graphical data.

Selon l'invention, des données d'image échographique d'une structure anatomique sont acquises dans un premier système de coordonnées, et des données graphiques (p. ex. sites d'intérêt) sont acquises dans un second système de coordonnées. L'emplacement d'un transducteur ultrasonore dans le premier système de coordonnées et dans un second système de coordonnées est déterminé, et une transformation entre le premier et le second systèmes de coordonnées est effectuée sur la base de l'emplacement du transducteur ultrasonore dans le premier et le second systèmes de coordonnées. A l'aide de cette transformation, les données d'image échographique, acquises antérieurement dans le premier système de coordonnées, peuvent être enregistrées et présentées dans le second système de coordonnées, accompagnées de données graphiques.

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