Attenuation maps with and without the use of CT images (IMAGE)
Caption
Top: Sample coronal and sagittal slices of attenuation maps (1/cm) and PET images reconstructed with various reconstruction techniques with and without the use of CT images. Bottom: Difference image between the attenuation maps from the joint reconstruction algorithms and CT-based images (1/cm). The plot on the bottom right shows the organ quantification error from CT-less reconstructions.
Credit
Images created by Mohammadreza Teimoorisichani, Vladimir Panin, Harold Rothfuss, Deepak Bharkhada, and Maurizio Conti, Siemens Medical Solutions USA Inc, Knoxville, Tennessee; Hasan Sari, Siemens Healthcare AG, Bern, Bern, Switzerland; and Axel Rominger, Inselspital, Bern, Bern, Switzerland.
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