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Fig. 3 | EJNMMI Physics

Fig. 3

From: Simultaneous emission and attenuation reconstruction in time-of-flight PET using a reference object

Fig. 3

Reconstructed emission and attenuation images and percentage difference maps of emission images obtained with proposed MLAA reconstruction using one cylinder filled with reference activity concentration (A0) and materials with different attenuation coefficients (water, lung, and bone) and using 2 and 4 cylinders filled with water and the same total activity as for the one cylinder case. True emission and attenuation images are also shown as a reference

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