Informations générales
Intitulé de l'offre : Postdoc M/F: Exponential Data Consistency Conditions for Patient Motion Detection and Correction in SPECT (H/F)
Référence : UMR5220-SIMRIT-009
Nombre de Postes : 1
Lieu de travail : VILLEURBANNE
Date de publication : jeudi 28 août 2025
Type de contrat : Chercheur en contrat CDD
Durée du contrat : 4 mois
Date d'embauche prévue : 7 novembre 2025
Quotité de travail : Complet
Rémunération : Starting at €3,021 gross monthly salary depending on experience
Niveau d'études souhaité : Doctorat
Expérience souhaitée : Indifférent
Section(s) CN : 07 - Sciences de l'information : traitements, systèmes intégrés matériel-logiciel, robots, commandes, images, contenus, interactions, signaux et langues
Missions
The ANR SPECT-Motion-eDCC project is a collaborative project between the CREATIS and TIMC laboratories involving the OHI hospital (Ottawa) and the LUMEN nuclear medicine department (Lyon). Single photon emission computed tomography (SPECT) is an imaging technique that tracks the 3D distribution of a radioactive tracer administered to a patient to monitor certain biological functions. The long acquisition times (10-40 minutes) of SPECT make it sensitive to patient movement, which reduces image quality. Exponential data consistency conditions (eDCC) are mathematical equations that must be verified by the input data of SPECT reconstruction algorithms. Inconsistencies can be used to correct the input data, for example to improve attenuation correction. The aim of this postdoc is to correct rigid motion in SPECT reconstruction based on estimated movements using eDCCs. The research will focus on data simulated using the Monte Carlo method and real data from clinical SPECT scanners with a parallel collimator, such as those available at LUMEN.
Activités
Selection of patient data for SPECT acquisition simulation, SPECT projection simulations with patient movement on the GATE platform, Motion correction in SPECT reconstruction with RTK.
Compétences
Academic: PhD in applied mathematics, computer science, or medical physics.
Scientific interests: applied mathematics, computer science (medical image processing), medical physics.
Computer skills: Python, C++ (ITK, RTK).
Languages: English required, French optional.
Contexte de travail
Supervision: Simon Rit
Location: mainly at the Léon Bérard Center, Lyon, France.
Duration: 4 months, starting as soon as possible.
CREATIS is a multidisciplinary laboratory with a wide range of expertise in medical imaging and plays a major role in the field of health technologies. The candidate will join the tomoradio team, specifically the group based at the Léon Bérard Cancer Center.