Application of scatter and attenuation correction to...

G - Physics – 01 – T

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G01T 1/164 (2006.01) A61B 6/03 (2006.01)

Patent

CA 2338199

A method of applying scatter and attenuation correction to emission tomography images of a region of interest of a patient under observation comprises the steps of aligning a three-dimensional computer model representing the density distribution within the region of interest with the emission tomography images (56, 58) and applying scatter and attenuation correction to the emission tomography images using the aligned computer model as a guide (60).

L'invention concerne un procédé d'application de la correction de la diffusion et de l'atténuation d'images d'une région d'intérêt d'un patient en observation issues de la tomographie d'émission. Ce procédé consiste à centrer un modèle informatique en 3D représentant la répartition de la densité dans la région d'intérêt sur les images issues de la tomographie d'émission (56, 58) et à effectuer une correction de la diffusion et de l'atténuation des images issues de la tomographie d'émission au moyen d'un modèle informatique aligné en tant que guide (60).

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