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A motion compensation method dedicated to intraoperative RGB video imaging in neurosurgery is presented in this work. The dedicated motion model proposed is based on subspace learning of the patient brain motion. The resolution method uses keypoints for a sparse, fast and robust estimation of the brain motion. Our results, obtained from in vivo data, show that our method is as accurate as standard...
La spectroscopie proche infrarouge est largement utilisée en clinique et en recherche biomédicale pour le suivi de la perfusion et de l’oxygénation tissulaire, notamment lors d’activations cérébrales. Nous proposons une technique de sélection des photons détectés en fonction de leur temps de propagation dans les tissus. La sensibilité de détection d’une activation corticale et sa discrimination par...
Various optical approaches have been used to image fluorescence in vivo, ranging from confocal microscopy, to observe markers close to the surface, to photographic macroscopic systems, to probe deeper tissues. We developed a tomographic approach that uses diffuse near infrared and fluorescence photons to image the optical properties of tissues and the fluorescent probes distribution. This method uses...
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