3D-2D projective registration of free-form curves and surfaces

Jacques Feldmar 1 Nicholas Ayache 1, * Fabienne Betting
* Auteur correspondant
1 EPIDAURE - Medical imaging and robotics
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : Some medical interventions require knowing the correspondence between an MRI/CT image and the actual position of the patient. Examples occur in neurosurgery and radiotherapy, but also in video surgery (laparoscopy). We present in this paper three new techniques for performing this task without artificial markers. To do this, we find the 3D-2D projective transformation (composition of a rigid displacement and a perspective projection) which maps a 3D object onto a 2D image of this object. Depending on the object model (curve or surface), and on the 2D image acquisition system (X-Ray, video), the techniques are different but the framework is common: Results are presented on a variety of real medical data to demonstrate the validity of our approach.
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Jacques Feldmar, Nicholas Ayache, Fabienne Betting. 3D-2D projective registration of free-form curves and surfaces. Computer Vision and Image Understanding, Elsevier, 1997, 65 (3), pp.403-424. 〈10.1006/cviu.1996.0499〉. 〈inria-00615041〉

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