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Figure 6: (a) A representative transaxial slice of the Jaszczak phantom acquired for all 360° arc in a Siemens e.cam^{TM} camera after attenuation correction based on Chang's algorithm implemented inhouse. (b) The same transaxial slice of the Jaszczak phantom acquired in the same camera in 180° after attenuation correction based on Chang's algorithm implemented by Equation 3 
