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3 : Echographie abdominale de la prostate

3 : Echographie abdominale de la prostate

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Fight against cancer witnessed the rise of new patient care enhancing technologies. Laser ablation is one of the most recent in situ destruction techniques for tumors. An optical fiber has therefore got to be introduced into the core of the tumor by inserting a sheath through skin. This laser diode sends photon so that the tumor can be burned local...

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... modèle le plus utilisé pour représenter une caméra est le modèle de projection centrale dit modèle du sténopé [Faugeras 1986;Tsai 1987;Yuan 1989]. La définition de ce modèle correspond à une transformation en perspective parfaite ( Figure II.3). Elle repose sur l'hypothèse que chaque rayon de projection joignant le point objet (M) de la scène à son homologue (Im) dans le plan image (P) est rectiligne et passe par le centre optique C. Autrement dit, la projection d'un point de l'espace sur le plan image est l'intersection de la droite (M, C) avec le plan image P. On appelle axe optique, la perpendiculaire menée du centre optique sur le plan image. ...

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