Toward real-time alignment of 3D CT and 2D X-ray with multi-stage CNNs.

Federica Facente¹, Benjamin Billot¹, Vivek Gopalakrishnan², Manasi Kattel¹, Wen Wei³, Polina Golland², Hervé Delingette¹, Nicholas Ayache¹, Pierre Berthet-Rayne³

¹Epione Team, Université Côte d'Azur, Inria, Nice, France.

²CSAIL, MIT, Cambridge, MA, USA.

³Caranx Medical, Nice, France.

PubMed DOI

Abstract

2D X-ray imaging is widely employed in image-guided interventions to provide real-time visualization of patient anatomy and interventional devices. However, lacking depth information and soft-tissue contrast, intraoperative X-rays are often complemented with high-resolution preoperative 3D computed tomography (CT) scans. Clinicians must mentally register the 3D preoperative information onto the 2D…

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