Method and system for automatic correction of motion artifacts

G - Physics – 06 – T

Patent

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G06T 5/00 (2006.01) G06T 5/20 (2006.01)

Patent

CA 2405434

Methods and systems of the present invention automatically and differentially detect and correct linear motion artifacts caused by camera movement and regional subject motion artifacts. Regional subject motion artifacts may be caused, for example in endoscopic or other surgery, by movement of surgical tools or the patient within the image field. Methods and systems of the present invention automatically correct for both types of motion occurring simultaneously. After an image is automatically corrected for both camera motion and regional subject motion, the image is displayed for viewing.

L'invention concerne des procédés et des systèmes qui détectent et corrigent automatiquement et de manière différenciée des artefacts dus aux mouvements linéaires résultant de mouvements de la caméra et d'artefacts locaux dus aux mouvements du sujet. Ces artefacts locaux dus aux mouvements du sujet peuvent résulter, par exemple en endoscopie ou en chirurgie, du mouvement d'outils chirurgicaux ou du patient dans le champ de l'image. Selon la présente invention, les procédés et les systèmes corrigent automatiquement ces deux types de mouvements simultanés. Après avoir été automatiquement corrigée du mouvement de la caméra et du mouvement local du sujet, l'image est affichée pour être visualisée.

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