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EJNMMI Physics
Fig. 2 | EJNMMI Physics

Fig. 2

From: Investigation of PET image quality with acquisition time/bed and enhancement of lesion quantification accuracy through deep progressive learning

Fig. 2

Visual PET image quality of OSEM and DPL varied with acquisition time. a–d are overall score, image sharpness, image noise and diagnostic confidence, respectively, which are four criteria used to assess the PET image quality. Each criterion is rated on a 5-point scale, where 1 means poor and 5 means excellent, except for image noise, where 5 means maximum noise and 1 means minimum noise

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