Biomedical Engineering Reference
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FIGURE 11.4: (See color insert.) MR-AC for brain PET: atlas-based
attenuation correction. (A) Attenuation map measured through a PET trans-
mission scan; (B) Attenuation map obtained through atlas registration and ad-
dition of the head holder; (C) Coronal and saggital view of voxel-by-voxel rel-
ative differences between PET attenuation corrected using attenuation maps
A and B. (From [33].)
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