A PROBABILISTIC OBJECTIVE FUNCTION FOR 3D RIGID REGISTRATION OF INTRAOPERATIVE US AND PREOPERATIVE MR BRAIN IMAGES - Inria - Institut national de recherche en sciences et technologies du numérique Access content directly
Conference Papers Year : 2007

A PROBABILISTIC OBJECTIVE FUNCTION FOR 3D RIGID REGISTRATION OF INTRAOPERATIVE US AND PREOPERATIVE MR BRAIN IMAGES

Abstract

The registration of intraoperative Ultrasound (US) with preoperative Magnetic Resonance (MR) images is a challenging problem due to the difference of information contained in each image modality. To overcome this difficulty, we introduce a new probabilistic function for similarity measurements based on the mean curvature of MR isophots and US hyperchogenic structures. Experiments were carried out on 3 patients and compared with three other registration approaches. The results show that the proposed method converges robustly compared to the standard registration techniques, with a computational time compatible with intraoperative use.
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inria-00147025 , version 1 (15-05-2007)

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Pierrick Coupé, Pierre Hellier, Xavier Morandi, Christian Barillot. A PROBABILISTIC OBJECTIVE FUNCTION FOR 3D RIGID REGISTRATION OF INTRAOPERATIVE US AND PREOPERATIVE MR BRAIN IMAGES. IEEE International Symposium on Biomedical Imaging: From Nano to Macro, IEEE Signal Processing Society (SPS) and the IEEE Engineering in Medicine and Biology Society (EMBS), Apr 2007, Washington DC, USA, United States. pp.1320-1323, ⟨10.1109/ISBI.2007.357103⟩. ⟨inria-00147025⟩
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