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DETECTION OF GLIOMA EVOLUTION ON LONGITUDINAL MRI STUDIES E. D. Angelini, J. Atif, J. Delon
 

Summary: DETECTION OF GLIOMA EVOLUTION ON LONGITUDINAL MRI STUDIES
E. D. Angelini, J. Atif, J. Delon
GET, Ecole Nationale Sup´erieure des
T´el´ecommunications, CNRS UMR 5141
Paris, FRANCE
E. Mandonnet, H. Duffau, L. Capelle
H^opital Piti´e Salp^etri`ere
Department of Neurosurgery
Paris, FRANCE
ABSTRACT
Detection of millimetric brain tumor growth patterns on longi-
tudinal MRI acquisitions remains challenging in clinical prac-
tice. A simple difference map of two longitudinal co-registered
MRI volumes fails to detect specific tumor evolution, due to
non-linear contrast change between the two data sets. This pa-
per presents a novel method for detection and quantification
of tumor evolution in longitudinal single-protocol MRI stud-
ies. A computational framework was designed to enable com-
parison of co-registered MRI volumes based on gray-scale
"normalization" via midway histogram equalization and com-

  

Source: Angelini, Elsa -Département Traitement du Signal et des Images, Telecom ParisTech

 

Collections: Engineering; Biology and Medicine