文档介绍:Extended Talairach Landmarks on Neuroimages for
Atlas Registration
Guoyu Qian1, Suhuai Luo1, Jesse Jin1, Wieslaw L. Nowinski2
1School of Design, Communication and IT, The University of Newcastle, Australia
2Biomedical Imaging Lab, Agency for Science, Technology and Research, Singapore
Abstract—The accuracy of scan-to-atlas registration highly transformation [4] and other atlas-assisted automatic
depends on the number of landmarks and the precision of interpretations and applications [5, 6].
landmark identification. An extended landmark, In this paper, a new landmark is introduced for the
cerebellum inferior (CBI), is introduced in this paper. The cerebellum inferior (CBI), which is at the most inferior point of
extracted brain and midsagittal plane are applied to the cerebellum, to enclose the cerebellum into the Talairach
identify the modified Talairach landmarks and the new space for rapid Talairach transformation. After adding the new
introduced landmark CBI. The AC-PC plane is firstly landmark, the whole brain will be subdivided into 18 cuboidal
determined and then anatomical information is applied to regions including both cerebrum and cerebellum (as opposed to
estimate the other landmarks. The proposed method is the original 12 cuboids) by 9 landmarks – CBI plus 8 modified
fully automatic and has been validated on 49 FDG-PET Talairach