Image-guided neurosurgery allows surgeons to navigate and localize lesion through the patient’s cranium with a 3D image guidance. The model of the head is reconstructed using preoperative computed tomography or magnetic resonance images and real and virtual spaces are aligned by means of fiducial markers placed on the patient. In this paper, a new method for the optimal placement of the fiducial markers in order to reduce misalignment is presented. Using routine diagnostic images, a customized 3D model of the patient’s cranium is reconstructed. A genetic algorithm calculates optimal positions of the marker in order to minimize the target registration error. The fiducial set is shown to the surgeons on the 3D model to help him/her in placement of them.
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December 2010
Research Papers
Optimal Fiducial Configuration in Image-Guided Neurosurgery Using a Genetic Algorithm
Laura Gastaldi,
Laura Gastaldi
Department of Mechanics,
Politecnico di Torino
, Torino 10129, Italy
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Alessandro Battezzato,
Alessandro Battezzato
Department of Mechanics,
Politecnico di Torino
, Torino 10129, Italy
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Claudio Bernucci,
Claudio Bernucci
Neurorehabilitation Department,
Azienda Ospedaliera Santa Croce e Carle
, Cuneo 12100, Italy
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Marco Mannino,
Marco Mannino
Neurorehabilitation Department,
Azienda Ospedaliera Santa Croce e Carle
, Cuneo 12100, Italy
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Stefano Pastorelli
Stefano Pastorelli
Department of Mechanics,
Politecnico di Torino
, Torino 10129, Italy
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Laura Gastaldi
Department of Mechanics,
Politecnico di Torino
, Torino 10129, Italy
Alessandro Battezzato
Department of Mechanics,
Politecnico di Torino
, Torino 10129, Italy
Claudio Bernucci
Neurorehabilitation Department,
Azienda Ospedaliera Santa Croce e Carle
, Cuneo 12100, Italy
Marco Mannino
Neurorehabilitation Department,
Azienda Ospedaliera Santa Croce e Carle
, Cuneo 12100, Italy
Stefano Pastorelli
Department of Mechanics,
Politecnico di Torino
, Torino 10129, ItalyJ. Med. Devices. Dec 2010, 4(4): 041008 (6 pages)
Published Online: December 6, 2010
Article history
Received:
September 10, 2010
Revised:
October 13, 2010
Online:
December 6, 2010
Published:
December 6, 2010
Citation
Gastaldi, L., Battezzato, A., Bernucci, C., Mannino, M., and Pastorelli, S. (December 6, 2010). "Optimal Fiducial Configuration in Image-Guided Neurosurgery Using a Genetic Algorithm." ASME. J. Med. Devices. December 2010; 4(4): 041008. https://doi.org/10.1115/1.4002853
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